Entries |
Document | Title | Date |
20080198297 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight unit which includes a structure in which the sensitivity of a light sensor for detecting color reproducibility of white light is increased, and a liquid crystal display (“LCD”) device having the same. The backlight unit includes a light source which generates light, a light guide plate which guides the light incident from the light source, a light sensor which detects the light emitted from the light guide plate and a mold frame which receives the light source, the light guide plate, and the light sensor. The mold frame includes a receiving recess which receives the light sensor, and a light sensing structure formed on a sidewall thereof being in contact with a side of the light guide plate which reflects the light emitted from the light guide plate and provides the light emitted from the light guide plate to the light sensor. | 08-21-2008 |
20080198298 | Backlight unit and display device having the same - Provided are a backlight unit and a display device having the same. The backlight unit includes a case having an opening, at least one lamp assembly disposed on a side surface of the case and including a light source, an optical transreflective unit on the case, the optical transreflective unit transmitting a portion of first light passing through the opening and reflecting a portion of second light generated from the light source, and an optical sheet including a first diffusion unit on the optical transreflective unit. | 08-21-2008 |
20080204631 | Surface light source device and display - Overlapping first and second light guide plates have incidence faces located opposite to each other. Each light guide plate has an emission restraint region, an emission gradually-increasing region and an emission promotion region arranged in order from incidence face toward distal end face. In each emission gradually-increasing region, emission light quantity increases gradually away from each emission restraint region toward each emission promotion region. The emission gradually-increasing regions of the light guide plates overlap each other. The emission promotion region of the second light guide plate overlaps with the emission restraint region of the first light guide plate while the emission restraint region of the second light guide plate overlaps the emission promotion region of the first light guide plate. Light from LEDs is limited by windows. Color-mixing of the LED-light occurs in each emission restraint region to become whitened light gaining emission intensity in the emission promotion regions. | 08-28-2008 |
20080218660 | Liquid crystal display module - In a liquid crystal display module of edge light system, a periphery of a liquid crystal panel, a light guide plate and a reflective sheet are laid one upon another and surrounded by a case, and a lamp and a reflecting plate are disposed between an incidence surface of the light guide plate and a side of the case. A rear side of the module is not covered by the case. The reflecting plate is of a groove type that the lamp is held in the groove while an opening of the groove is opposed to the incidence surface. The case has an opening formed in a predetermined side of the case. The reflecting plate is insertable through the opening. The reflecting plate is slid from the opening while a reflecting plate bottom is in abutment against a side of the case, thereby being detachably attachable. | 09-11-2008 |
20080218661 | Liquid crystal display having flexible printed circuit sandwiched between liquid crystal panel and light guide plate thereof - A liquid crystal display includes a liquid crystal panel and a backlight module parallel to the liquid crystal panel. The backlight module includes a light guide plate, a light source and a flexible printed circuit. The light guide plate includes a light incident surface. The light source is provided adjacent to the light incident surface of the light guide plate. The flexible printed circuit includes a light source driving end. The light source driving end is electrically connected with the light source. The light source driving end is bent and is sandwiched between the liquid crystal panel and the light guide plate. The light source driving end abuts the light guide plate. | 09-11-2008 |
20080225203 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY MODULE INCLUDING THE SAME - A backlight unit comprises a reflecting plate, a light guide plate disposed over the reflecting plate, and a plurality of optic films disposed over the light guide plate. The backlight unit further comprises a lamp horizontally spaced apart from the light guide plate, and a reflecting film corresponding to an upper portion of a space between the light guide plate and the lamp. | 09-18-2008 |
20080225204 | LIQUID CRYSTAL DISPLAY MODULE - The present invention provides a liquid crystal display module which can prevent the generation of display irregularities. The liquid crystal display module includes a liquid crystal display panel and a backlight device arranged on a back surface of the liquid crystal display panel. The backlight device is constituted of a light guide plate and a reflection sheet arranged on a back surface of the light guide plate. The liquid crystal display module includes a flexible printed circuit board having one end thereof mounted on the liquid crystal display panel and the other end thereof formed on a back side of the reflection sheet in an overlapping manner. An insulation sheet is arranged between the other end of the flexible printed circuit board and the reflection sheet. | 09-18-2008 |
20080225205 | Display With Focussed Illumination - A liquid crystal display with focused illumination is described. In an example, a light-source emitting a plurality of discrete colors is focused onto a liquid crystal display panel. The liquid crystal display panel has a plurality of pixels and each pixel has regions corresponding to the colors emitted by the light-source. Light of each color is focused onto the regions of the pixels corresponding to that color. | 09-18-2008 |
20080231772 | FLAT PANEL DISPLAY AND FABRICATION METHOD THEREOF - A flat panel display is provided. The flat panel includes at least one light emitting device having a light emitting semiconductor device and a lens. The lens includes two reflective surfaces which are disposed at both sides with respect to a central axis of the lens. Refractive surfaces connect with the respective reflective surfaces and have a tilt included angle with respect to the central axis. Each of the refractive surfaces continuously extends from the reflective surface along a direction toward the central axis. A Fresnel surface is configured between the refractive surfaces. Light rays emitted from the light emitting semiconductor device reach the lens. A portion of the light rays reaching each of the reflective surfaces is reflected to at least one of the refractive surfaces and the Fresnel surface. The reflected light rays are refracted and collected with a convergent angle. | 09-25-2008 |
20080231773 | Surface light source which selectively irradiates two linearly polarized light beams in polarized states different from each other and liquid crystal display apparatus using the same - A surface light source includes a light source which selectively irradiates two polarized light beams in polarized states different from each other, a light guide plate which includes a transparent plate having two plate surfaces facing each other and end faces surrounding the plate surfaces, and irradiates the two polarized light beams form an irradiation surface, and an optical element which irradiates irradiated light from the irradiation surface of the light guide plate toward a direction substantially normal to the light guide plate upon changing the propagation direction of the irradiated light. A liquid crystal display apparatus includes this surface light source, a polarization control element which is placed on the observation side of the surface light source and rotates the polarization plane of linearly polarized light transmitted through one of partitioned first and second areas through a predetermined angle, and a liquid crystal display device placed on the observation side. | 09-25-2008 |
20080239203 | SPATIAL LIGHT MODULATOR DISPLAY - An optical device ( | 10-02-2008 |
20080239204 | Light-Guide Plate and Display Apparatus Having the Same - A light-guide plate includes a base plate, first protrusion patterns and second protrusion patterns. The first protrusion patterns are formed on a left portion of an upper surface of the base plate with respect to a central line of the upper surface. The first protrusion patterns have a cross-section of a trapezoidal shape which has a top and a bottom parallel with each other and first and second inclined sides inclined at different angles with respect to the bottom side. The second protrusion patterns are formed on a right portion of the upper surface with respect to the central line. A cross-section of the second protrusion patterns have the trapezoidal shape and disposed substantially symmetrical to the first protrusion patterns with respect to the central line. | 10-02-2008 |
20080252818 | LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF - A backlight module including a frame, a plurality of light guide plates, a plurality of high refractive mediums, and a plurality of light sources is provided. The light guide plates are disposed within the frame and each of the light guide plates has at least one light incident surface and at least one light emitting surface. Additionally, high refractive mediums are disposed between two neighboring light guide plates. Moreover, the light sources are disposed beside the light incident surfaces of the light guide plates. | 10-16-2008 |
20080252819 | LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF - A backlight module includes a reflection sheet and a film structure disposed above the reflection sheet with a gap therebetween. A light source is disposed in the gap between the reflection sheet and the film structure so as to provide light. The film structure includes a first region for reflecting light incident thereupon from the light source and the reflection sheet, and a plurality of second regions for transmitting at least partially light incident thereupon from the light source and the reflection sheet. | 10-16-2008 |
20080259248 | Multilens member, illumination apparatus, and liquid crystal display apparatus - A multilens member is provided, the multilens member including a base member which has light transmissivity; a plurality of first lenses which are formed on the base member; and a plurality of second lenses which are formed on the plurality of first lenses and which are joined to the plurality of first lenses on first surfaces opposed to the base member; wherein the first surfaces of the second lenses have junction which are joined to the first lenses and overhang which overhangs outwardly from the junction portions. That is, the multilens member having the overhang shape is provided. Accordingly, it is possible to provide the optical member which improves the optical performance of an illumination apparatus and which realizes the thin size and the low cost of the illumination apparatus and a liquid crystal display apparatus. | 10-23-2008 |
20080259249 | DISPLAY APPARATUS - A display apparatus includes at least one display substrate, a light source which generates light, and a light-guide substrate which guides light generated by the light source to emit light toward the at least one display substrate. The light-guide substrate includes an incident surface adjacent to the light source, a first surface and a second surface. The first surface is extended from the incident surface and includes a first color filter layer which is formed thereon and displays color, and the second surface is opposite to the first surface. | 10-23-2008 |
20080278659 | Light-Guide Plate, Method of Manufacturing the Same and Display Apparatus Having the Same - A light-guide plate includes an incident surface, a emissive surface and a reflective surface. The incident surface includes a plurality of light-control patterns formed in sectioned regions of the incident surface. The light-control patterns have shapes different from one another according to the regions corresponding to a position of a light source. The emissive surface is extended from a side of the incident surface. The reflective surface is opposite to the emissive surface. | 11-13-2008 |
20080278660 | Backlight unit and liquid crystal display device having the same - Disclosed are a backlight unit and a liquid crystal display device having the same, capable of reducing tube current variation between light sources. The backlight unit includes a plurality of lamps provided at both ends thereof with electrodes and having a tubular shape, a plurality of lamp holders for fixing the both ends of the lamps, at least one substrate on which the lamp holders are mounted, and at least two conductors formed on the substrate in opposition to each other to generate capacitance for uniformly maintaining tube current of the lamps. | 11-13-2008 |
20080278661 | Backlight Unit and Lcd Having the Same - Provided is a backlight unit. The backlight unit includes a frame, a light guide plate, a light absorption adhesive member, and a white light source. An opening is formed in the frame. The light guide plate is attached to the frame and formed larger than the opening. The light absorption adhesive member attaches the light guide plate to the frame and absorbs incident light. The white light source provides white light to the light guide plate. | 11-13-2008 |
20080284945 | BACKLIGHT FOR LIQUID CRYSTAL DISPLAY - A backlight includes a lightguide having a light emission surface, a first light input surface, a second light input surface opposing the first light input surface, and a lightguide thickness. A plurality of antireflection features are on or in the first light input surface and second light input surface. Each antireflection feature has a base length value and a height value that are less than the light guide thickness. A right eye image solid state light source is positioned to provide light into the first light input surface and a left eye image solid state light source is positioned to provide light into the second light input surface. | 11-20-2008 |
20080291365 | LIGHT SOURCE MODULE, BACKLIGHT ASSEMBLY HAVING THE SAME, DISPLAY APPARATUS HAVING THE BACKLIGHT ASSEMBLY, AND METHOD THEREOF - A light source module includes a power supply plate, a light emitting chip, and a body mold. The light emitting chip is disposed on the power supply plate to lean to one side with respect to a center of the power supply plate along a first direction and electrically connected to the power supply plate. The body mold is connected with the power supply plate to expose the light emitting chip. Therefore, a thickness of a backlight assembly employing the light source module may be reduced. | 11-27-2008 |
20080297693 | Lamp reflector with grounding portion and backlight module and liquid crystal display device with same - An exemplary backlight module includes a light guide plate, a light reflector, and a frame accommodating the light guide plate and the light reflector. The light reflector includes a main surface and a protruding portion provided at the main surface with the grounding portion configured for electrically connecting the lamp reflector with the frame. An exemplary liquid crystal display device using the backlight module is also provided. | 12-04-2008 |
20080297694 | BACKLIGHT MODULE OF REDUCING LIGHT LEAKAGE FOR USE IN A LIQUID CRYSTAL DISPLAY DEVICE - A backlight module includes a frame, a plurality of light tubes disposed on the frame, an optical sheet, a first light tube fixing component disposed on a side of the frame, and a second light tube fixing component disposed on a bottom surface of the frame. The frame includes a plurality of holes defined on a bottom surface of the frame. The first light tube fixing component is used for fixing the plurality of light tubes on the frame. The first light tube fixing component includes light proof member and a light reflective component. The light proof member is used for blocking light from the plurality of light tubes. The light reflective component is used for reflecting light from the plurality of light tubes toward the optical sheet. The light proof member and the light reflective component are integrally formed. The second light tube includes a substrate plate, a plurality of supporting holders disposed on a first side of the substrate plate, and a plurality of engaging portions disposed on a second side opposite to the first side. Each engaging portion is made of light proof materials and corresponds to one of the plurality of holes. The substrate plate, the plurality of supporting holders, and the plurality of engaging portions are integrally formed. | 12-04-2008 |
20080297695 | Liquid Crystal Display Device - An object of the present invention is to provide a liquid crystal display device having a light guide plate that is capable of providing improved liquid crystal display performance without generating a striped image. The liquid crystal display device includes a light guide plate, which illuminates a liquid crystal panel from its rear surface, and light sources, which shed a light ray on the light guide plate. The rear surface of the light guide plate is separated into a plurality of rear surface divisions by concave grooves. The light sources can adjust the brightness of each rear surface division. The display performance of the liquid crystal panel is improved by individually managing a plurality of regions of the liquid crystal panel, which correspond to the rear surface divisions, and darkening a rear surface division that corresponds to a region where the black color is predominant. | 12-04-2008 |
20080297696 | LIGHT GUIDING PLATE UNIT, SURFACE LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - A light guiding plate unit which can emit uniform light of a predetermined polarization, a surface light source apparatus and a liquid crystal display apparatus are provided. A light guiding plate unit is provided with a light guiding plate which can guide light and has a first surface from which light is emitted and a diffraction grating which is provided on the first surface of the light guiding plate, and the diffraction grating is formed of a number of metal wires in straight lines which are aligned in a direction approximately perpendicular to the long axis of the metal wires, and the length w of the metal wires in the direction in which the number of metal wires are aligned is approximately 55% or more and approximately 85% or less of the spatial period of the diffraction grating. Thus, the ratio of the length w of the metal wires to the spatial period is set to 0.65 or higher and 0.85 or lower, and thus, it is possible to control the amount of transmission of light in a predetermined state of polarization through the diffraction grating formed on the first surface. | 12-04-2008 |
20080297697 | Light guide plate, backlight assembly including the same, and liquid crystal display device including the same - Disclosed herein are a light guide plate, a backlight assembly including the light guide plate, and a liquid crystal display device including the backlight assembly which can uniformly maintain the brightness uniformity and prevent the moiré phenomenon. The light guide plate in accordance with the present disclosure includes: an incident surface, to which light generated from a light source is incident, including a diffusion pattern formed in a round shape; an emitting surface, through which the light is emitted, including a first prism pattern; and an opposite surface, formed opposite to the emitting surface, including a direction change pattern by which the direction of the light is changed toward the emitting surface. | 12-04-2008 |
20080297698 | LIGHT ILLUMINATING UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A light illuminating unit includes light generating members and a light guiding plate. Each of the light generating members generates light. The light generating members include an LED. The light guiding plate includes a light-incident face onto which the light is incident, a lateral face facing the light-incident face, and a light-exiting face through which the incident light exits. The light-exiting face being configured to connect the light-incident face and the lateral face. An interval between the light-incident face and the lateral face varies in accordance with a position of each of the light generating members. Thus, a number of LEDs decreases, so that an assembly process of the light illuminating unit may be simplified, and manufacturing cost and power consumption thereof may be reduced. | 12-04-2008 |
20080303979 | ILLUMINATION UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - An illumination unit includes a light guide plate, and at least one optical sheet which is disposed on a major surface of the light guide plate. The optical sheet includes bent portions which are formed by bending portions of the optical sheet at a pair of opposed sides, and the light guide plate includes, at a pair of opposed end surfaces, recess portions in which the bent portions are inserted. | 12-11-2008 |
20080303980 | Optical Film with Surface Structure - An optical film with a surface structure includes one surface of a substrate comprising a plurality of light control elements with their longitudinal axes arranged approximately parallel to each other, in which each element includes an independent peak formed by two inclined faces and the two inclined faces between each two independent peaks are connected to each other to form an independent valley; heights of the independent peaks are periodically varied; a virtual connecting line of summits of the independent peaks varied from high to low or from low to high is a straight line, a spacing interval between the independent valleys is varied in a geometric ratio with the height of the independent peak. | 12-11-2008 |
20080309848 | Backlight Device - All of LEDs | 12-18-2008 |
20080309849 | LIGHT SOURCE UNIT, BACKLIGHT ASSEMBLY INCLUDING THE SAME, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME, AND METHOD THEREOF - A light source unit includes a light source, and a light guide pipe formed in a columnar shape and including a plurality of grooves, to which light emitted from the light source is incident, wherein dimensions of the grooves further from the light source are different from dimensions of the grooves closer to the light source, respectively. | 12-18-2008 |
20090002600 | Diffusion Plate Assembly - A diffusion-plates assembly and a direct-type backlight module assembly are provided. The diffusion-plates assembly includes a first diffusion plate and a second diffusion plate. There are pluralities of first microstructures on the emergent surface of the first diffusion plate, the first microstructures is for condensing light. The thickness of the first diffusion plate is above 0.4 mm, and the transmittance of the first diffusion plate is above 90%. The second diffusion plate is placed over or under the first diffusion plate, The thickness of the second diffusion plate is above 0.4 mm, and the transmittance of the second diffusion plate is 50 | 01-01-2009 |
20090002601 | Backlight Assembly and Display Device Having the Same - In a backlight assembly of a display device, a supporting frame receives a light-guide plate while exposing a light-exiting surface of the light-guide plate. A first receiving member covers an opposite surface of the light-guide plate facing the light-exiting surface, and a side first portion of the light-guide plate adjacent to a first side surface is inserted into a first sidewall portion of the first receiving member. A first light source is disposed between the first side surface and the first sidewall portion. A first reflective sheet is extended along an inner surface of the first receiving member and surrounds the first light source. The backlight assembly may further comprise a second receiving member, a second light source, and a second reflective sheet. A lamp reflector may be omitted, assemblability of the backlight assembly and the display device, and protection against heat, may be improved. | 01-01-2009 |
20090002602 | Liquid crystal display with micro-structures and liquid crystal display driving method - An exemplary liquid crystal display ( | 01-01-2009 |
20090009688 | Liquid Crystal Display Device - The present invention provides a liquid crystal display device which can largely enhance a property of focusing light from a backlight. The backlight arranged on a back surface of a liquid crystal panel includes a light guide plate, a light source, a first asymmetrical prism sheet, and a second asymmetrical prism sheet. A reflection surface having an inclination of 2° or less for guiding light from the light source toward the liquid crystal display panel is formed on a back surface of the light guide plate. The first asymmetrical prism sheet and the second asymmetrical prism sheet respectively include projecting portions which extend in the arrangement direction of the light source and are arranged in parallel to each other in the direction which intersects the arrangement direction of the light source. | 01-08-2009 |
20090009689 | PLANAR LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME - A planar light-emitting device includes a lightguide plate ( | 01-08-2009 |
20090015754 | LIGHT EMITTING DIODE DEVICE AND APPLICATIONS THEREOF - A light emitting diode (LED) device and the applications are provided, wherein the LCD device comprises a light emitting direction and a cross-section perpendicular to the light emitting direction, wherein the cross-section has a first height perpendicular to the light emitting direction and a light emitting area having a second height perpendicular to the light emitting direction, the second height is substantially shorter than 70% of the first height. | 01-15-2009 |
20090015755 | Liquid crystal display device - A side type light emitting diode (LED) liquid crystal display (LCD) includes a prism light guide panel in a side type LED backlight to allow scanning and divisional driving to improve motion blur of video or an overall sharpness of an image. The side type LED LCD includes: a lower cover; first and second prism light guide panels disposed in a plurality of layers on the lower cover, ridges of prism mountains formed on the first prism light guide panel being substantially perpendicular to ridges of prism mountains formed on the second prism light guide panel; lamp units being provided on at least one side of each prism light guide panel along the ridges of the prism mountains; and a liquid crystal panel separated from the prism light guide panels that receives light transmitted through the first and second light guide panels emitted from the light units. | 01-15-2009 |
20090021668 | Backlight Module and Liquid Crystal Display Comprising the Same - A backlight module and a liquid crystal display including the backlight module are provided. The backlight module includes a light source, a light guide plate and a prism sheet. The light source is disposed at a side of the light guide plate, while the prism sheet is disposed adjacent to the light emitting surface of the light guide plate. The prism sheet has a plurality of prism structures facing the light guide plate, wherein each of the prism structures substantially has a vertex angle of about 55 to 70 degrees. Thus, light emitted from the light guide plate can be adjustably concentrated along the direction perpendicular to the panel. | 01-22-2009 |
20090033832 | BACKLIGHT MODULE AND APPLICATION THEREOF - A backlight module and an application thereof are disclosed. The backlight module comprises at least one light source and a light guide plate. The light guide plate is disposed at one side of the light source, wherein the light guide plate has a reducing region formed at one side of the light guide plate and close to the light source. The thickness of the light guide plate in the reducing region is decreased with the increasing distance away from the light source. The backlight module is applicable to a liquid crystal display (LCD) apparatus. | 02-05-2009 |
20090040426 | DIRECTIONAL BACKLIGHT, A MULTIPLE VIEW DISPLAY AND A MULTI-DIRECTION DISPLAY - A directional backlight, a multiple view display and a multi-direction display A multiple view display ( | 02-12-2009 |
20090040427 | ILLUMINATION APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film disposed between the polarization plate and the light source and including a plurality of prisms formed on a surface thereof. The plurality of prisms each have a ridge line in a first direction and are continuously arranged in a second direction perpendicular to the first direction. The light transmission film is disposed such that a ridge line direction of the plurality of prisms is one of a perpendicular direction and an approximately perpendicular direction to a transmission axis of the polarization plate. The plurality of prisms each have refractive indexes in the ridge line direction, an arrangement direction, and a thickness direction, the refractive index in the ridge line direction being larger than the refractive indexes in the arrangement direction and thickness direction. | 02-12-2009 |
20090040428 | Lightguide plate, planar light unit and display apparatus - A sheet-shaped lightguide plate has a substrate layer ( | 02-12-2009 |
20090040429 | Liquid crystal display with point illuminator bonded to liquid crystal panel thereof - An exemplary liquid crystal display includes a liquid crystal panel, a light guide plate, and a point illuminator. The liquid crystal panel includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first and second substrates. The light guide plate is disposed on a side of the second substrate that is not in contact with the liquid crystal layer, and includes a light incident surface. The point illuminator is rigidly bonded to the side of the second substrate that is not in contact with the liquid crystal layer, and faces the light incident surface of the light guide plate, such that the position of the point illuminator is fixed relative to the light guide plate. | 02-12-2009 |
20090040430 | Backlight module with bezel having protrusions thereon and liquid crystal display using same - An exemplary backlight module includes at least one light source, a light guiding plate having a light incident portion adjacent to the at least one light source, a bezel having a plurality of protrusion; and a reflector disposed between the light guiding plate and the protrusions of the bezel. The protrusions abut edges of the reflector, and provide supporting force to attach the reflector to the bezel. A related liquid crystal display is also provided. | 02-12-2009 |
20090040431 | Liquid crystal display panel with improved image contrast - The present invention relates to a liquid crystal display panel with improved image contrast comprising an array of pixel regions and a sequence of a recycling backlight structure comprising broadband rear interference polar (RI-Polar) having a transmission axis AB with preset orientation, a spatial intensity modulation structure comprising a broadband front interference polar (FI-Polar) having a transmission axis approximately parallel to the transmission axis AB, a spectral filtering structure, and antireflection means. Each said pixel region spatially encompasses a plurality of subpixel regions. The RI-Polar and FI-Polar are multilayer structures of stacked layers. At least one layer of each structure is optically anisotropic, made by means of Cascade Crystallization Process and characterized by a globally ordered biaxial crystalline structure with an intermolecular spacing of 3.4±0.3 Å in the direction approximately parallel to the transmission axis AB. Said layer is transparent in the wavelength band of visible light, and is formed by rodlike supramolecules, which represent at least one polycyclic organic compound with a conjugated π-system and ionogenic groups. | 02-12-2009 |
20090046220 | BACKLIGHT FOR LIQUID CRYSTAL DISPLAY DEVICE - A backlight for a liquid crystal display device includes a plurality of point light sources | 02-19-2009 |
20090051852 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY USING THE SAME - A backlight module including a light guide plate, a light source and a transparent elastomer is provided. The light guide plate has a first light emitting surface, a bottom surface opposite to the first light emitting surface and at least a light incident surface contacting the first light emitting surface and the bottom surface. The light source is disposed adjacent to the light incident surface and includes a circuit board and a plurality of light emitting diode devices. Each of the light emitting diode devices is capable of emitting light passing through the light incident surface. The light emitting diode devices are electrically connected to the circuit board. The transparent elastomer is disposed between the light incident surface and each of the light emitting diode devices. | 02-26-2009 |
20090059127 | Liquid crystal display device - In a backlight which arranges light emitting diodes on a side surface of a light guide plate, even when the light guide plate is made thin by further reducing a thickness of the light guide plate and the light emitting diodes having a thickness larger than the thickness of the light guide plate are used, it is possible to manufacture the light guide plate with high accuracy in a short time. In a liquid crystal display device having a backlight which radiates light to a liquid crystal panel, LEDs are mounted on the light guide plate formed on the backlight as a light emitting element, a light radiation portion of the light guide plate is formed by molding by applying pressure and heat to a sheet-shaped resin, and a light incident portion of the light guide plate is formed by injection molding. | 03-05-2009 |
20090059128 | Prism sheet having inclined ridges and liquid crystal display using the same - A prism sheet includes a transparent base film with first and second surfaces and an optical refracting part with a plurality of prism units on the second surface, wherein the prism units are integral with the transparent base film, each prism unit having a predetermined height and extending along a first direction on the second surface of the transparent base film, wherein each prism unit includes a ridge extending along the first direction, a distance along a normal between the second surface of the transparent base film and the ridge defining the predetermined height of the prism unit, and wherein at least two prism units include ridges inclined at a predetermined angle other than zero with respect to the second surface of the transparent base film, the inclined ridges being unevenly distributed on the second surface of the transparent base film. | 03-05-2009 |
20090059129 | Light source assembly and liquid crystal display utilizing the same - An exemplary light source assembly includes a light guide plate, a printed circuit board facing the light guide plate, and at least two light emitting elements. The at least two light emitting elements are angled on the printed circuit board. Light emitted from the at least two light emitting elements is obliquely transmitted onto the light guide plate. | 03-05-2009 |
20090059130 | Backlight device for liquid crystal display and method of fabricating the same - A backlight device for a liquid crystal display includes a substrate, and a plurality of white, red, green, and blue light emitting diodes arranged on the substrate. | 03-05-2009 |
20090073345 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display including a liquid crystal display panel formed by sandwiching a liquid crystal layer between an active matrix substrate and a counter substrate, and a backlight system that illuminates the liquid crystal display panel from the active matrix substrate side, an optical sensor for detecting the intensity of ambient light is provided in a peripheral region of a display region in a substrate surface of the active matrix substrate on the liquid crystal layer side. The optical sensor is located near the outer edge of the display region that is perpendicular to the direction (X direction) in which the directivity of emitted light of the backlight system is highest. | 03-19-2009 |
20090073346 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY APPARATUS - The backlight includes a first light guide plate which emits a light inputted from an end face thereof from a main surface thereof, a second light guide plate which includes an end face for an incoming light and an end face for an emitting light, and which is arranged behind the first light guide plate, a reflection sheet which is arranged between the first light guide plate and the second light guide plate, a chassis which houses the first light guide plate, the second light guide plate and the reflection sheet, and a rear cover which fixes the first light guide plate, the second light guide plate and the reflection sheet with the chassis. The first light guide plate and the second light guide plate are positioned in a thickness direction thereof. | 03-19-2009 |
20090073347 | Liquid crystal display device - In a backlight which arranges light emitting diodes on a side surface of a light guide plate, even when the light emitting diodes having a thickness larger than a thickness of the light guide plate are used, it is possible to manufacture the light guide plate with high accuracy by injection molding. In a liquid crystal display device having a backlight which radiates light to a liquid crystal panel, LEDs are mounted on the light guide plate formed on the backlight as a light emitting element, and an S-shaped inclined portion whose thickness is not changed is formed on the light guide plate from a light incident surface to a light emitting surface of the light guide plate. Since the thickness of the inclined portion is not changed, it is possible to make the pressure of resin flow at the time of performing injection molding uniform thus manufacturing the light guide plate with high accuracy. | 03-19-2009 |
20090079907 | Virtual solar liquid crystal window - A display system includes a building, a wall enclosed within the building, and a light guide directing light from the exterior of the building to the wall within the building. A display is supported proximate the wall where the display includes a liquid crystal layer and not including a backlight. The light guide directing the light to the liquid crystal layer is in such a manner that the combination of the light and the liquid crystal layer results in an image displayed thereon. | 03-26-2009 |
20090079908 | Liquid Crystal Display Panel, Liquid Crystal Display Device, and Method of Manufacturing Liquid Crystal Display Panel - A liquid crystal display panel includes a first base, a second base, and a sealing member. The first base has a display-area portion including a transparent substrate, a light shielding film formed on a surface of the transparent substrate and having a through hole, a light reflecting film formed on the light shielding film, a color filter formed at least in the through hole of the light shielding film, and a transparent electrode formed on the surface of the transparent substrate. The second base includes a transparent substrate, and a transparent electrode formed on the surface of the transparent substrate. The sealing member is a member for sealing liquid crystal between the first base and the second base. | 03-26-2009 |
20090091687 | Liquid Crystal Display Device - A liquid crystal display device includes at least a liquid crystal display panel, which uses a pair of transparent substrates which are arranged to face each other with liquid crystal disposed therebetween as an envelope, and a light guide plate, which guides light from a light source, being sequentially arranged from a viewer side. The liquid crystal display panel forms light reflection layers on a liquid-crystal-side surface of the light-guide-plate side transparent substrate using portions of respective pixels and forms color filters which face the light reflection layers on the liquid-crystal-side surface of one transparent substrate or a liquid-crystal-side surface of the other transparent substrate which faces the one transparent substrate. Light from the light source is irradiated such that respective colors thereof, which constitute three primary colors, are sequentially changed over. | 04-09-2009 |
20090091688 | LIQUID CRYSTAL MODULE - A liquid crystal module includes a liquid crystal panel, a lamp unit, a light guide plate, a rear frame and a light reflecting sheet. The lamp unit is configured to emit light. The light guide plate is configured to guide the light emitted by the lamp unit, and has a peripheral face. The rear frame is disposed rearward of the light guide plate, and has a facing portion facing a part of the peripheral face of the light guide plate. The light reflecting sheet is disposed between the light guide plate and the rear frame, and has a tab portion that is sandwiched between the part of the peripheral face of the light guide plate and the facing portion of the rear frame. | 04-09-2009 |
20090096957 | Liquid Crystal Display Device - To provide a liquid crystal display device having excellent uniformity in the brightness so that the performance of displays of liquid crystal can be increased. | 04-16-2009 |
20090103009 | Liquid crystal display and light guide plate - A large liquid crystal display ( | 04-23-2009 |
20090109373 | Liquid Crystal Display - In a liquid crystal display equipped with a side edge backlight device, visualization of “a dot provided to a light guide plate” in the vicinity of the light source while keeping the luminance of the display screen. The shapes and the arrangement of the light diffusing dots (dots) provided to the principal surface of the light guide plate of the backlight device are made different between the area of the principal surface in the vicinity of the light source and the other areas, thereby adjusting the whiteness of the light guide plate in the vicinity of the light source. The plurality of dots formed in the vicinity of the light source are each composed of a first section for diffusing the light propagating the light guide plate, and a second section surrounded by the first section and less capable of diffusing the light, and are disposed in the vicinity of the light source in a zigzag manner. | 04-30-2009 |
20090115937 | LIGHT GUIDE PLATE AND LIQUID CRYSTAL DISPLAY USING THE SAME - Disclosed is a light guide plate, comprising a light guide plate body and a plurality of micro mirrors formed on an upper surface of the light guide plate body for controlling a reflection direction of light incident on the light guide plate. The amount of light output from a backlight module using the light guide plate can be controlled by adjusting an angle of each of the micro mirrors with respect to an incident light from a light source. | 05-07-2009 |
20090115938 | Liquid Crystal Display Device - A light guiding plate is manufactured with high precision and in a short period of time in a backlight where light emitting diodes are provided on the side of the light guiding plate, even in the case where the light guiding plate is formed so as to have a spherical surface. In a liquid crystal display device having a backlight for illuminating a liquid crystal panel with light, LED's are provided in a light guiding plate in the backlight as a light emitting element, the light emitting portion of the light guiding plate is formed so as to have a spherical surface by applying heat and pressure to a resin in sheet form, and the light guiding plate is manufactured by fusing a light entering portion formed of a resin through injection molding with the light emitting portion. | 05-07-2009 |
20090122229 | Light guiding and dispersing plate and display device having the same - A monolithic light guiding and dispersing plate is provided in a backlighted display panel for receiving input light from one or more edge sources and for guiding the received light throughout the plate for substantially uniform reflection upwardly and substantially uniform dispersal toward an image forming plane located above the light guiding and dispersing plate. In one embodiment, the light guiding and dispersing plate has a light receiving surface upon which the light generated by an edge light source is incident, a top major surface which is adjacent to the light receiving surface and on which a plurality of first protrusions are formed and elongated in a first direction, wherein the first protrusions have cross-sections in the shapes of partial ellipses. The plate further has a bottom major surface in which light reflecting recesses are defined to reflect light upwardly towards the top major surface. | 05-14-2009 |
20090122230 | PLANE LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - The present invention provides a plane light source apparatus includes a light guide plate having a flat face portion and an end face portion. A plurality of point light sources are disposed in an opposing relationship to the end face portion of the light guide plate. The light guide plate mixes light from the point light sources incoming from the end face portion thereof and emit the mixed light as illumination light from the flat face portion thereof. The point light sources are a combination of point light sources having chromaticities different from each other within a predetermined standard chromaticity range, and mix light from the point light sources so that the chromaticity of the resulting illumination light fits into a target chromaticity range which is narrower than the standard chromaticity range. | 05-14-2009 |
20090122231 | Liquid crystal display device - Light-emitting elements can be accurately directly opposed to the entrance surface of a light guide at an accurate distance therefrom, and can be mounted on a single side of a printed circuit board together with other electronic components, whereby the number of manufacturing steps and the thickness of a liquid crystal display device can be reduced. The light guide and the printed circuit board are disposed on the back surface of the liquid crystal display panel, and the respective light-emitting elements are inserted through through-holes formed to extend through the printed circuit board, with the light-emitting portions of the respective light-emitting elements opposed to the entrance surface of the light guide. The light-emitting elements, together with the other electronic components, are mounted on the printed circuit board from one side. Electrodes of the light-emitting elements are bridged and secured to a mounting surface of the printed circuit board. | 05-14-2009 |
20090135337 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) including a backlight module and a LCD panel is provided. The backlight module has at least one white light source. BL | 05-28-2009 |
20090153778 | LIGHTING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A lighting device includes: a plurality of backlights each having a light guide plate disposed in the back of a lighting object to guide light and emit the light to the lighting object and a light source disposed on a side surface of the light guide plate to emit the light to the light guide plate; and connection portions connecting the plurality of backlights. Here, the plurality of backlights connected to each other forms a backlight unit to emit light to the lighting object. | 06-18-2009 |
20090153779 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - The invention relates to a transflective liquid crystal display capable of display in both of transmissive and reflective modes and a method of manufacturing the same and provides a transflective liquid crystal display which can achieve high display characteristics in both of the transmissive and reflective modes. A configuration is employed which includes a liquid crystal display panel having a pair of substrates and a liquid crystal layer sealed between the substrates, a pixel region including a reflective area having a reflector for reflecting light entering from the side of one of the pair of substrates and a transmissive area for transmitting light entering from the side of the other of the pair of substrates toward the one of the pair of substrates, a backlight unit having a reflector and a light guide plate for reflecting the light which has entered the transmissive area from the side of the one of the pair of substrates and which has been transmitted by the area to cause the light to enter the transmissive area again from the side of the other of the pair of substrates, and a color filter layer formed only in the transmissive area of the pixel region. | 06-18-2009 |
20090167987 | Light Guide Plate, and Backlight Assembly and Liquid Crystal Display Having the Same - A light guide plate for guiding light includes a light-incident portion allowing light generated from a light source to be incident thereon, a light-facing portion opposite to the light-incident portion, and a first prism pattern disposed between the light-incident portion and the light facing portion and substantially normal to a path of light incident from the light-incident portion to the light-facing portion path. | 07-02-2009 |
20090167988 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display (LCD) device having light scattering patterns at an edge region of a light guide plate, capable of preventing a hot spot phenomenon occurring when an edge-type backlight unit is implemented with using light emitting means such as light emitting diodes (LED). The LCD device comprises: an LC panel; a light guide plate disposed below the LC panel, and having light scattering patterns formed in a plurality of groups with a constant gap therebetween at one or more edge regions on an upper surface thereof; and light emitting devices disposed at a side wall of the light guide plate, each light emitting device disposed to correspond to a region between the light scattering patterns, for emitting light. | 07-02-2009 |
20090167989 | SURFACE LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A surface light source includes a light source and an optical waveguide plate. The light source serves to emit light. The optical waveguide plate has an incident end face where the light is incident and a light exit surface where the light incident on the incident end face exits. Further, the optical waveguide plate has a refractive index n. The incident end face has a plurality of concave portions. The angle between a plane formed by the plurality of concave portions and a tangent plane of the incident end face is not more than (90−2·arcsin(1/n)) degree. | 07-02-2009 |
20090167990 | Liquid Crystal Display Appliance - An object of the present invention is to provide a liquid crystal display appliance for controlling a plurality of divided area in the display screen. In order to achieve the above object, the liquid crystal display appliance according to the present invention includes a lighting apparatus which includes a light source, and an light guide plate to diffuse lights from the light source to obtain a surface light source; and a liquid crystal panel which is placed opposed to the lighting apparatus and includes a liquid crystal layer. The light guide plate is made by bonding a plurality of transparent light guide members each of which has a different refractive index greater than 1. | 07-02-2009 |
20090185108 | POLARIZER AND DISPLAY DEVICE HAVING THE SAME - A polarizer and a display device having the polarizer. The polarizer includes a polarization layer, a support layer formed on at least one side of the polarization layer, and a diffusion adhesive layer formed on the polarization layer which diffuses light incident from the polarization layer and prevents a diffused reflection of light incident from an opposite direction of the polarization layer. | 07-23-2009 |
20090185109 | LIQUID CRYSTAL DISPLAY - A liquid crystal display capable of improving display quality while achieving a reduction in manufacturing cost. The liquid crystal display includes a liquid crystal panel having multiple pixels arranged at a first pitch; a light source for supplying light to the liquid crystal panel; and a light guide plate for guiding the light to the liquid crystal panel, wherein prisms are formed on the light guide plate at a second pitch, the second pitch is the sum of a quotient and a corrected value, the quotient is obtained by dividing the first pitch by a natural number m, the corrected value depends on a selected viewing distance and an interval between the liquid crystal panel and the prisms. | 07-23-2009 |
20090190068 | LIGHT GUIDING BODY, SUBSTRATE FOR DISPLAY DEVICE, AND DISPLAY DEVICE - A display device higher in light use efficiency than conventional ones, a display device substrate suitably used for such a display device, and a light guide suitably used for an illuminator of such a display device are provided. The light guide has a plane of incidence on which light is incident and a plane of emergence from which light emerges, and has a first photonic crystal structure having a refractive index changing periodically along a direction substantially parallel to the plane of emergence. | 07-30-2009 |
20090190069 | Lighting device and liquid crystal display device using the same - A lighting device includes: a light source; a light guiding plate; and a reflector. The light guiding plate includes: a light entrance part, which introduces light of the light source into the light guiding plate; and a plurality of reflecting parts, which are formed on at least the one of the light exit face and the opposed face to cause the introduced light to exit to outside. The plurality of reflecting parts are arranged in staggered pattern in a circumferential direction of a circle having the light entrance part as its center, and in a radius direction orthogonal to the circumferential direction. Therefore a reflecting surface of one of the plurality of reflecting parts that is placed in a back does not fall in a shadow of another one of the plurality of reflecting parts that is placed nearer to the light source, and incident light is reflected in a wide area. | 07-30-2009 |
20090190070 | PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE ADOPTING THE SAME - A planar illumination device includes a laser light source; a light guide plate for guiding light entered through an end surface to be outputted from a first principal surface; an optical element which forms diffusing light outputted from the laser light source into a substantially parallel light in a thickness-wise direction of the light guide plate and which outputs the resulting parallel light to the end surface of the light guide plate; and a first light deflecting unit for deflecting a propagation direction in the light guide plate of the light incident thereon, wherein the first light deflecting unit is arranged such that a degree of deflection of the light incident on the light guide plate differs according to positions in the light guide plate, to make an amount of light outputted from the first principal surface uniform in the first principal surface. | 07-30-2009 |
20090207340 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device including a liquid crystal display panel on which an image is displayed; first and second polarizing plates each attached to upper and lower surfaces of the liquid crystal display panel; a lamp emitting light; a light guide plate guiding light from the lamp to the liquid crystal display panel; and a prism sheet disposed between the light guide plate and the liquid crystal display panel and having a plurality of prism bulges arranged in a surface thereof, the prism bulges having a predetermined pitch, wherein an arrangement direction of the prism bulges on the prism sheet is cross to the transmission axis of the second polarizing plate at a predetermined angle to the transmission axis. | 08-20-2009 |
20090207341 | LIGHT CONTROL ELEMENT, SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A light control element capable of controlling deflection of light output through a light guide plate to a desired output viewing angle is provided. A light control element (prism sheet) has a plane of incidence on one surface thereof, and a plane of output on the other surface thereof. The plane of incidence is formed as having thereon a number of prism portions arrayed in parallel. Each of the prism portions has a first prism surface allowing incidence of light, and a second prism surface where the light entering through the first prism surface is reflected by total reflection on the inner side. The second prism surface has an outwardly-swelled curved profile, formed with a curvature that allows the light to output through the plane of output at a second output viewing angle wider than a first output viewing angle of a case where the second prism surface is flat. | 08-20-2009 |
20090207342 | PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a planar light source device ( | 08-20-2009 |
20090207343 | LIQUID CRYSTAL DISPLAY DEVICE - A backlight which arranges light emitting diodes on a side surface of light guide plate adopts the structure which allows the easy removal of the light guide plate from a mold and makes it difficult for a stress or the like to influence the fine structure of a light incident portion of the light guide plate. In a liquid crystal display device having a backlight which radiates light to a liquid crystal panel, LEDs which constitute a light emitting element are mounted on a light guide plate which is mounted on a backlight, and edge portions of the light guide plate are tapered such that a width of the light guide plate is increased in the removal direction of the side surface of the light guide plate. Further, an ejector-pin mark is formed on a lower surface of the light guide plate by pushing an ejector pin in the removal direction of the light guide plate. | 08-20-2009 |
20090207344 | Illuminating device and liquid crystal display device - In an illuminating device, a plurality of light reflecting portions each including a plurality of prisms adjacent to one another are formed on one of an opposing surface and an exit surface of a light guide plate so as to be spaced apart from one another. Each of the plurality of prisms is in a shape of a triangle in section with one of the opposing surface and the exit surface being a base of the triangle, and is formed so as to protrude therefrom. Light introduced from a light source is reflected by the plurality of prisms to be illuminating light having directivity in a vertical direction. Light which has passed through a prism which is nearer to the light input portion is again taken into the light guide plate by an adjacent prism at a subsequent stage and can be reused. | 08-20-2009 |
20090213298 | OPTICAL MODULATING DISPALY DEVICE AND PRODUCTION METHOD THEREFOR AND DISPLAY APPARATUS MOUNTING THE OPTICAL MODULATING DISPLAY DEVICE THEREON - The present invention relates to an optical modulating display device ( | 08-27-2009 |
20090213299 | DISPLAY DEVICE - A display device includes a light guide plate which includes a light transmission portion and an antireflection portion at two opposite end faces and which is provided with a light extraction portion in part of a surface, respective light sources which are arranged on outer sides of the two opposite end faces, a transmission liquid crystal panel located adjacent to the light extraction portion, and a synchronous drive unit that alternately turns ON the light sources and that displays an image that is synchronous with an alternating turn-ON operation of the transmission liquid crystal panel. | 08-27-2009 |
20090213300 | SURFACE LIGHT SOURCE CAPABLE OF CHANGING RANGE OF SPREAD ANGLE OF EXIT LIGHT, AND LIQUID CRYSTAL DISPLAY APPARATUS USING THIS SURFACE LIGHT SOURCE - A surface light source includes first and second light sources that emit lights, and an optical deflection element. The optical deflection element changes light emitted from the first light source into first illumination light having a maximum value of an exit light intensity present in a direction parallel to a normal line of the surface light source, a spread angle range, and high directivity in a direction of the normal line and allows the changed light to exit therefrom. The optical deflection element also changes light emitted from the second light source into second illumination light having a maximum value of an exit light intensity in an oblique direction inclined at an angle with respect to the normal line and a spread angle range wider than that of the first illumination light and allows the changed light to exit therefrom. | 08-27-2009 |
20090213301 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY - A backlight apparatus of a sidelight type includes a light guide plate having an incident face on a lateral face and a light source unit having a plurality of substrates. The plurality of the substrates are respectively disposed on the incident face side of the light guide plate such that each of substrate faces of the substrates is parallel with a light exit face of the light guide plate, and the substrates are adjacent to one another in a thickness direction of the light guide plate. A plurality of light emitting devices that emit light along the substrate faces are mounted in columns on each of the substrate faces of the plurality of the substrates such that emitting directions of the light emitting devices are directed to the incident face. | 08-27-2009 |
20090231513 | ILLUMINATING DEVICE AND DISPLAY USING THE SAME - An illuminating device achieves higher brightness by improving the utilization efficiency of light from a light source in an illuminating device for emitting plane-shaped light. The backlight device includes a light guide member, and LED units facing side surfaces of the light guide member, and propagates light that is emitted by the LEDs and made incident to the side surfaces in the light guide member so as to emit plane-shaped light from a first main surface of the light guide member. The backlight device includes an insulating reflective member placed outside a second main surface of the light guide member facing the first main surface, and a metal reflective sheet laminated on the insulating reflective sheet on the side opposite to the light guide member. | 09-17-2009 |
20090257001 | Transparent substrare illumination device, and liquid crystal display device - A transparent substrate | 10-15-2009 |
20090257002 | COMPOSITE POLARIZING SHEET AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - A liquid crystal display (“LCD”) includes an LCD panel including a polarizing plate disposed on at least one surface thereof, a light guide plate (“LGP”) disposed below the LCD panel and including reflective patterns which reflect light incident on the LGP toward the LCD panel, and a composite polarizing sheet disposed between the LCD panel and the LGP and including; a surface layer having a plurality of prism patterns which extend in a first direction and which are arranged substantially parallel to each other, and a reflective polarizing layer having a transmission axis oriented in a second direction other than the first direction, wherein the second direction is one of substantially parallel to or perpendicular to a polarizing axis of the polarizing plate. | 10-15-2009 |
20090262283 | FOLDED BACKLIGHT SYSTEMS FOR LIQUID CRYSTAL DISPLAYS - A liquid crystal display is provided. The liquid crystal display includes a liquid crystal display panel having pixels configured to form an image; and a backlight system proximate to the liquid crystal display panel and configured to illuminate the pixels of the liquid crystal display panel. The backlight system includes a light guide including a plate portion generally parallel to the liquid crystal display panel and a first side portion extending generally perpendicularly from the plate portion, a light source configured to emit light into the light guide via the first side portion, and a heat sink coupled to the light source and configured to remove heat generated by the light source during operation. | 10-22-2009 |
20090273730 | Illumination display with enhanced illumination edge lighting - In general, an illumination display includes a light transmitting panel that provides enhanced illumination edge lighting. One or more light sources are optically coupled into an edge of the light transmitting panel to illuminate the light transmitting panel. The light transmitting panel refracts and reflects light such that a greater intensity of light may be emitted from one or more enhanced illumination portions, such as a raised enhanced illumination portion, of the light transmitting panel. The light source(s) may emit light of different colors corresponding to different conditions such that the illumination display indicates a condition by illuminating with the color corresponding to the condition. The illumination display may be used in various devices including, but not limited to, a device for checking the temperature of food. | 11-05-2009 |
20090273731 | Injection mold, light guide plate fabricated using the same, and LCD device having the light guide plate - An injection mold for forming a light guide plate including a first block, a second block configured to face the first block, a forming portion included between the first and second blocks facing each other and having a shape of the light guide plate, an injection portion formed at the first block and configured to receive injected resin for forming the light guide plate, and a gate portion configured to guide the injected resin from the injection portion to the forming portion. Further, a width of a first end portion of the gate portion that is connected to the forming portion is 50%-80% of a width of the forming portion. | 11-05-2009 |
20090273732 | PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A planar light-emitting device having a plurality of lightguide plates to provide a large light-exiting surface has a plurality of light-emitting units each having a lightguide plate having an upper surface as a light-exiting surface, a lower surface opposite to the light-exiting surface, a peripheral side surface extending between the respective peripheral edges of the upper surface and the lower surface, and a light entrance surface defined by a part of the peripheral side surface. Each light-emitting unit further has a light-emitting set adjacent to the light entrance surface to emit light into the lightguide plate through the light entrance surface, and a support member that fixedly supports the light source and the lightguide plate. The light-emitting units are arranged side by side so that the light-exiting or upper surfaces of their respective lightguide plates are substantially flush with each other. | 11-05-2009 |
20090273733 | PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A planar light-emitting device comprises a plurality of light-emitting units each including a lightguide plate and arranged adjacent to each other. Each lightguide plate has a lower surface opposite to an upper surface as the light-exiting surface and a peripheral side surface extending between the peripheral edges of the upper surface and the lower surface, a light-entrance surface being defined by a part of the peripheral side surface. The light-entrance surface and its opposite surface have first and second protruding portions extending from and along the light-entrance surface and the opposite surface, respectively. In each adjacently disposed pair of light-emitting units, the first protruding portion of the first light-emitting unit abuts against the second protruding portion of the second light-emitting unit. The light source is disposed underneath the abutting protruding portions. | 11-05-2009 |
20090273734 | Structure of light emitting device array - A LCD backlight with mosaic structure is provided. Each of the backlight unit blocks comprises light sources, light guide plate, electric controlling circuitry and mechanical interfacing features. | 11-05-2009 |
20090279020 | SURFACE-AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - In a surface-area light source device, a light entrance side surface of a light guide plate of a surface-area light source device has a staircase shape having steps in the vertical direction, and light emission diodes are provided at each step. The structure enables the distance between a light emission diode provided at one step and light emission diodes provided at an adjacent step to be maintained greater even if the thickness of the light guide plate is reduced so as to decrease intervals of the light emission diodes in the direction of the thickness of the light guide plate. As a consequence, the amount of transmission and reception of heat produced by the light emission diodes is reduced to prevent an increase in the temperature of the diodes. This allows a reduction in the thickness of the light guide plate with the brightness of light emitted from the light guide plate maintained, enabling the surface-area light source device to be thinned. As a result, a large number of light emitting diodes are provided, so that the brightness of the surface light source device is increased. | 11-12-2009 |
20090279021 | Backlight unit and liquid crystal display device having the same - A backlight unit is provided and includes a light source emitting light, a light guide plate disposed parallel to the light source, and a reflective sheet disposed at a bottom of the light guide plate. One side of the reflective sheet is slanted toward the light guide plate. A reflective member includes three sides surrounding the light source and a slanted fourth side supporting a slanted bottom of the reflective sheet. A bottom cover contacts the three sides of the reflective member. | 11-12-2009 |
20090284687 | Liquid crystal display - A liquid crystal display having a wide color reproduction range is provided. A liquid crystal display includes a liquid crystal panel driven based on image signals, a light source emitting light for illuminating the liquid crystal panel, and a light selective transmission filter, which has wavelength selective transmission characteristics corresponding to spectral characteristics of the light source, selectively transmits light generated from the light source in the specific wavelength regions based on the wavelength selective transmission characteristics, and guides the transmitted light to the liquid crystal panel. | 11-19-2009 |
20090284688 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device which can make the surface brightness of an edge-light-type backlight uniform is provided. The liquid crystal display device includes a liquid crystal display panel and a backlight which radiates light to the liquid crystal display panel. The backlight includes a light guide plate which is arranged on a back side of the liquid crystal display panel, a light source arranged on an outer peripheral portion of a first main surface of the light guide plate which faces the liquid crystal display panel in an opposed manner, and a reflection sheet which is arranged on a back side of the light guide plate as viewed from the liquid crystal display panel. The light guide plate is made of a transparent resin having a refractive index of 1.53 or less. On a surface of the light guide plate opposite to the first main surface, a second main surface which is substantially parallel to the first main surface and a plurality of inclined surfaces which are inclined at a preset angle with respect to the second main surface are formed. An angle of the inclined surface positioned near a position at which light from the light source is incident and an angle of the inclined surface positioned remote from the position at which the light from the light source from the light source is incident differ from each other. | 11-19-2009 |
20090290096 | TRANSPARENT SEE-THROUGH DISPLAY DEVICE - There is provided a see-through display device. A see-through display device comprises a liquid crystal plate filled with liquid crystals; first and second orientation plates respectively positioned on upper and lower surfaces of the liquid crystal plate, and controlling an initial alignment state of the liquid crystals; first and second conductive plates respectively positioned on an upper surface of the first orientation plate and a lower surface of the second orientation plate, and being filled with a conductive material; first and second transparent plates respectively positioned on an upper surface of the first conductive plate and a lower surface of the second conductive plate; first and second polarizing plates respectively positioned on an upper surface of the first transparent plate and a lower surface of the second transparent plate; and a transparent light guide plate spaced apart from a lower surface of the second polarizing plate, and allowing beams incident from a light source positioned at one side thereof to be totally reflected and emitted upward. Accordingly, a see-through display device comprises a transparent optical display device and a transparent light guide plate having a light source disposed at one side thereof, so that the display device can be optically transparent even when it is not operated. | 11-26-2009 |
20090290097 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes; a plurality of light guide blocks disposed substantially in parallel with each other along a first direction, each of the plurality of light guide blocks including; a light guide plate (“LGP”) having a wedge-shape decreasing in thickness from a first side thereof to a second side thereof, and a light source unit disposed facing a side surface of the LGP, and a light source driving unit which individually controls the light source units of the plurality of light guide blocks to emit light via a local dimming method. | 11-26-2009 |
20090296026 | Led back-light unit and liquid crystal display device using the same - An LED back-light unit and other devices using the LED back-light unit are discussed. According to one embodiment, an LED back-light unit includes a light guide portion that includes a light guide plate and a reflection plate coupled to the light guide plate, wherein the light guide plate has a light input part and a first connection part, and wherein the reflection plate has a second connection part connected to the first connection part, and a light source including at least one light emitting diode, the light source emitting light toward the light guide portion. | 12-03-2009 |
20090303417 | SURFACE ILLUMINATOR AND LIQUID CRYSTAL DISPLAY USING SAME - The present invention provides a surface illuminator having a uniform luminance over a large area by using a laser light source, having a wide color reproduction range, and capable of suppressing a speckle noise, as well as a liquid crystal display using the same. The surface illuminator of the present invention includes the laser light source that emits a laser beam; a beam scan section that deflects and scans the laser beam; and a first plate-shaped light guide that makes the laser beam deflected and scanned by the beam scan section to be incident from an end face portion and making the incident laser beam to emit from a first major surface. Further, the liquid crystal display of the present invention includes a liquid crystal display panel and the surface illuminator, wherein the surface illuminator is used as a backlight illuminator that lights the liquid crystal display panel from backside in this liquid crystal display. | 12-10-2009 |
20090316074 | LIGHT SOURCE DEVICE, BACKLIGHT DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light source device having light guide elements ( | 12-24-2009 |
20090316075 | Dual liquid crystal display device - A dual liquid crystal display device includes a transmissive liquid crystal display panel; a reflective liquid crystal display panel formed on the same substrate as the transmissive liquid crystal display panel; a first light guide block disposed under the transmissive liquid crystal display panel and having dot patterns formed on a first surface thereof; a second light guide block disposed under the reflective liquid crystal display panel and having V-grooves formed on a first surface thereof and dot pattern formed on a second surface thereof; a light source disposed adjacent to the first light guide block; and a housing in which the transmissive and reflective liquid crystal display panels, the light source and the light guide blocks are seated, the housing having an opening to correspond to an image display surface of the reflective liquid crystal display panel. | 12-24-2009 |
20090316076 | ELECTRODE FOR COLD CATHODE TUBE, AND COLD CATHODE TUBE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An electrode ( | 12-24-2009 |
20090316077 | LIGHT GUIDE BLADE WITH COLOR BALANCING STRUCTURES AND BLUE ABSORPTION COMPENSATION FOR LARGE SCREEN LED BACKLIGHT UNIT - One or more embodiments of the present invention provide apparatuses, methods and systems to form a thin LED backlight unit for a large-screen flat-panel display. The backlight unit is able to achieve improved color mixing within a shorter mixing distance than the conventional art, while maintaining desired brightness uniformity, thereby allowing for a shorter bezel of a display device. One or more embodiments of the present invention include one or more light guides, which, by operating together, provide thin backlight units. High system efficiency is provided by introducing a recycling enhancement component, and uniform color distribution is achieved by incorporating color shift compensation. Multiple light guides are arranged adjacent to one another can offer a progressive scan illumination feature. | 12-24-2009 |
20090322987 | CHANNELIZED PLATE - Preferred embodiments utilize a plurality of optical channels to effectively aim the light emitted by a liquid crystal display (LCD). Embodiments may also change the nominal and range of viewing angles of light in two or three dimensions in order to confine the emitted light towards the intended observer. | 12-31-2009 |
20090322988 | Liquid crystal display device - A liquid crystal display device capable of preventing a split between a light guide plate and a prism sheet disposed at an upper side thereof and improving concentration efficiency, the device including a liquid crystal panel configured to represent an image, a lamp disposed below the liquid crystal panel to provide light to the liquid crystal panel, a light guide plate having the lamp disposed at least at one side thereof, and a birefringence optical sheet disposed between the liquid crystal panel and the light guide plate, and having a first prism pattern with a first refractive index, the pattern facing the liquid crystal panel, and a second prism pattern with a second refractive index higher than the first refractive index, the pattern facing the light guide plate. | 12-31-2009 |
20090322989 | Liquid crystal display - The liquid crystal display includes: a liquid crystal panel; a backlight unit that includes a light guide plate that is positioned at a lower part of the liquid crystal panel and that guides light emitted from a light source in a direction of the liquid crystal panel, and a plurality of optical sheets that provide light emitted from the light guide plate to the liquid crystal panel; and a plurality of step parts that are formed from a base surface to an upper surface in order to receive the liquid crystal panel and the backlight unit, wherein a step part facing the liquid crystal panel among the plurality of step parts includes a main support having an area patterned to be apart from the liquid crystal panel. | 12-31-2009 |
20100002169 | UNITARY LIGHT GUIDE PLATE, LIGHT GUIDE PLATE UNIT, PLANAR LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A unitary light guide plate includes a light exit plane, a thick portion located substantially on a center portion of the light exit plane, thin end portions formed on both sides of the thick portion, a half portion of a parallel groove formed on a backside of the light exit plane to accommodate linearly arranged light sources, inclined back portions arranged so as to become thinner from the thick portion to the thin end portions, and scattering means for scattering light entering from the light sources accommodated in the parallel groove into the thin end portions and propagated through the inclined back portions toward the thick portion. A light guide plate unit has two or more of the unitary light guide plates coupled together in such a way that respective light exit planes are arranged to form a same plane. | 01-07-2010 |
20100014026 | BACKLIGHT UNIT, METHOD FOR ASSEMBLING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE USING THE BACKLIGHT UNIT - A back light unit includes a light guide plate having a rectangle shape with first and second edges and a light source having a light element to emit light to a first edge of the light guide plate. The light guide plate emits the incident light from the light source to a liquid crystal display panel as a flat light source. An elastic frame is integrally formed with first and second frame elements in a rectangle shape so as to surround the light guide plate. The light source includes a metal frame clipped by a clip shape implemented provided in the first frame element. The first edge facing the second edge of the light guide plate is fitted to the metal frame. The second edge of the light guide plate is fitted to a second frame element having a clip portion for clipping the light guide plate. | 01-21-2010 |
20100014027 | LED BACKLIGHT HAVING EDGE ILLUMINATOR FOR FLAT PANEL LCD DISPLAYS - One or more embodiments of the present invention provide apparatuses and systems to form edge-illuminated LED backlight units for flat-panel LCD displays. The backlight unit is able to achieve uniform color and brightness distribution with very small dimensions of depth and bezels. One or more embodiments of the present invention include a light guide coupled to a light guide plate, which, by operating together, provide simple, efficient, few LEDs and low cost backlight units. Effective coupling structures provide high system efficiency. | 01-21-2010 |
20100020268 | BACKLIGHT APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - A backlight apparatus is provided that enables a balance of brightness to be maintained and long life to be achieved over the entire area of a display screen. Light guide plate | 01-28-2010 |
20100026933 | SECONDARY DISPLAY USING PDLC - A secondary display is provided on, in, or under the case of an electronic device at a location convenient for viewing. The secondary display includes PDLC and a backlight. The backlight is preferably either an electroluminescent panel or an array of light emitting die. In the latter case, a transflector is located between the light source and the PDLC. | 02-04-2010 |
20100033653 | Backlight Assembly and Liquid Crystal Display Apparatus Having the Same - A backlight assembly includes a light-guiding plate and a light-generating member. The light-guiding plate has a lower surface, an upper surface and a side surface at which a combining recess is formed. The light-generating member includes a light source and a body. The combining recess has a first side surface, a second side surface facing the first side surface and a light-entering surface connected to the first and second side surfaces. A first width of the combining recess adjacent to the side surface of the light-guiding plate is greater than a second width of the combining recess adjacent to the light-entering surface. Moreover, at least a portion of the body of the light-generating member is for being inserted into the combining recess. | 02-11-2010 |
20100045898 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight unit for an LCD device produces a more uniform brightness by reducing or preventing bright lines occurring at the location of each LED device. The backlight unit includes a plurality of light guide plates which are arranged to overlap with an incident portion of adjacent light guide plate to at least partially cover the LED array. Accordingly, the backlight unit can prevent the generation of bright lines and hot spots caused when the light guide plate does not cover the LED array. As a result, the LCD device may improve images of uniform brightness. | 02-25-2010 |
20100053503 | Backlight unit and liquid crystal display device including the same - A backlight unit for a liquid crystal display panel includes a lamp, a plurality of optical sheets, a light guide that guides light from the lamp toward the optical sheets, and a reflector facing a rear surface of the light guide. The light guide includes a first plurality of geometric shapes at the rear surface thereof that substantially directs the light incident on the light guide toward the optical sheets, and a second plurality of geometric shapes at a peripheral portion of the rear surface thereof to prevent the reflector from sticking to the light guide, a density of the second plurality of geometric shapes is less than the density of the first plurality of geometric shapes. | 03-04-2010 |
20100053504 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a light guide plate and a light-emitting module. The light guide plate guides light. The light-emitting module is disposed to face an incidence surface of the light guide plate. The light-emitting module includes a printed circuit board (PCB) vertically disposed to face the incidence surface and a plurality of LEDs mounted on the PCB to emit light toward the incidence surface. Each of the LEDs includes a blue chip emitting blue light, a red fluorescent substance and a green fluorescent substance for converting the blue light into white light. Therefore, a thickness of the backlight assembly is reduced and an LED-mounting stability of the LED is improved. | 03-04-2010 |
20100060819 | LIQUID CRYSTAL DISPLAY, A LIGHT GUIDE FOR USE IN A LIQUID CRYSTAL DISPLAY AND A DEVICE COMPRISING SUCH A LIQUID CRYSTAL DISPLAY - The invention relates to liquid crystal display comprising image forming layers, at least one indirect light source and a light guide. The light guide comprises a first side facing the image forming layers, a second side opposite of the first side, and an in-coupling side facing the at least one indirect light source. The in-coupling side is a beveled in-coupling side. | 03-11-2010 |
20100073600 | PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A planar illumination device | 03-25-2010 |
20100073601 | LIQUID CRYSTAL DISPLAY APPARATUS CAPABLE OF LIMITING VIEW ANGLE - A liquid crystal display apparatus has a liquid crystal display device, a surface light source, and a view angle limiting device arranged between the surface light source and the liquid crystal display device. The view angle limiting device includes first and second transparent plates facing each other with a gap therebetween, a plurality of first ½ retardation layers having a predetermined shape formed to be spaced apart from each other on one of the facing inner surfaces of the first and second transparent plates, a plurality of second ½ retardation layers formed on the other inner surface at regions corresponding to the regions between the first ½ retardation layers, and a polarizing film provided at the outer surface of one of the first and second transparent plates that faces the surface light source. | 03-25-2010 |
20100079703 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - An exemplary embodiment of the present invention discloses a backlight unit with a plurality of light-emitting blocks and a light source driving section. The plurality of light-emitting blocks are arranged in a matrix shape along first and second directions different from each other. Each of the light-emitting blocks includes a light source unit having at least one light-emitting chip to emit light, and a light guiding unit to guide the light. The light source driving section controls the light source unit of the light-emitting blocks to drive the light source unit. Therefore, a thickness of the backlight unit may be reduced. | 04-01-2010 |
20100085509 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having brightness uniformity at its front and lateral sides is provided according to one or more embodiments. In one embodiment, the liquid crystal display device includes a reflection sheet reflecting light, an optical plate including a substrate for guiding light, a height-varying portion formed on one surface of the substrate, not facing the reflection sheet, and a prism pattern formed on the height-varying portion, and a plurality of light sources arranged on one lateral surface of the optical plate in a first direction so as to correspond to a position of the height-varying portion having a height not greater than an average height from the one surface of the substrate to the height-varying portion, wherein the prism pattern extends in a second direction substantially perpendicular to the first direction, and the average height is in a range of about 0.1% to about 10% of the thickness of the substrate. | 04-08-2010 |
20100085510 | ILLUMINATING DEVICE, DISPLAY DEVICE, AND METHOD OF MANUFACTURING LIGHT MODULATION ELEMENT - An illuminating device includes a light guide plate, a light source disposed on a side face of the light guide plate, and a light modulation element disposed on a surface or on inside of the light guide plate and joined to the light guide plate. The light modulation element has a pair of transparent substrates disposed apart from each other and opposed to each other, a pair of electrodes provided on surfaces of the pair of transparent substrates, and a light modulation layer provided in a gap between the pair of transparent substrates. The light modulation layer includes a first region and a second region both having optical anisotropy and having response speeds to an electric field different from each other. | 04-08-2010 |
20100103351 | PRISM SHEET HAVING WET-OUT PROPERTY AND LCD BACK LIGHT UNIT THEREBY - A prism sheet, capable of enhancing wet-out ability in a whole back light unit while maintaining center brightness, transmittance and haze in good condition, is disclosed. The prism sheet includes a base film made of a transparent material and having a flat first surface, and a light refracting part including a plurality of unit prisms unitarily formed with the base film on a second surface of the base film, opposite to the flat first surface. The unit prisms have a predetermined shape of a cross section, and are arranged with orientation. When an angle formed between a ridge of the unit prism of the light refracting part and a normal line of the flat first surface is defined as θ | 04-29-2010 |
20100110338 | LCD and Light Guide Plate Thereof - A light guide plate includes an incident face, a bottom surface, a main reflective structure and an auxiliary reflective structure. The bottom surface is connected to the incident face. The main reflective structure is disposed on the bottom surface and has a first and a second inclined surface. The auxiliary reflective structure is disposed on the bottom surface and has a third and a fourth inclined surface. The auxiliary reflective structure and the main reflective structure have an interval therebetween, in which the interval ranges between 0.2 micrometer and 0.5 micrometer, and a bottom width of the auxiliary reflective structure on the bottom surface is smaller than a bottom width of the main reflective structure on the bottom surface. A liquid crystal display is also disclosed herein. | 05-06-2010 |
20100110339 | LIGHT EMITTING ELEMENT AND LIQUID CRYSTAL DISPLAY DEVICE - A light emitting element ( | 05-06-2010 |
20100110340 | DISPLAY - A display comprises: a transmissive pixellated spatial light modulator ( | 05-06-2010 |
20100118230 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - In one embodiment of the present invention, a backlight device is disclosed wherein a contrast ratio is improved with a decrease in light source service life being suppressed, and a liquid crystal display device using such backlight device. The backlight device is provided with an, optical layer whose main surface is a light outgoing surface; a main light source that is arranged at a position facing a main surface of the optical layer and emits light toward the optical layer; a light guide plate that is arranged on a main surface side, so as to be parallel to the main surface, and has a main surface on an optical layer side as a light outgoing surface; a sub-light source that is arranged at a position facing a side surface of the light guide plate and emits light toward the side surface; and a driving portion for driving the main light source and the sub-light source. The main light source is provided with a plurality of fluorescent tubes arranged parallel to the optical layer. The driving portion outputs drive pulses to the plurality of the fluorescent tubes, respectively, and adjusts the light amounts of the plurality of the fluorescent tubes by modulating the pulse widths of the drive pulses (PWM dimming method). | 05-13-2010 |
20100118231 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is an LCD. The LCD includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate, and a light source disposed at a lateral side of the second substrate to emit light toward the second substrate. According to the LCD, light is incident into the second substrate through a lateral side of the second substrate and an image is displayed by the incident light. Since the LCD does not require an additional light guide plate, the LCD can have a slim structure as compared with an existing LCD. | 05-13-2010 |
20100123858 | BACKLIGHT ASSEMBLY USING FLEXIBLE LIGHT GUIDING FILM AND LIQUID CRYSTAL DISPLAY MODULE USING THE SAME - A flexible light guiding film includes a base film having a substantially constant thickness, and a light controlling portion disposed on the base film. Edges of the light controlling portion and the base film are coplanar and define a light incident surface of the light guiding film. The light incident surface is thicker than the base film, but has a similar thickness with that of a light exiting surface of a light source. | 05-20-2010 |
20100134721 | OPTICAL MEMBER UNIT, LIGHTING DEVICE FOR DISPLAY, DISPLAY, AND TELEVISION RECEIVER - An optical member | 06-03-2010 |
20100134722 | BACKLIGHT MODULE AND DISPLAY DEVICE USING THE SAME - A backlight module includes: a light guide plate including a light-entering surface; a light source module disposed beside the light-entering surface; and a reflector including an opening adjacent to the light-entering surface. The light source module is disposed in the reflector and emits light toward the light-entering surface through the opening. A height of the opening is less than a thickness of the light guide plate. | 06-03-2010 |
20100141870 | OPTICAL SHEET AND LCD APPARATUS HAVING THE SAME - Disclosed are an optical sheet and a LCD apparatus having the same. The optical sheet receives a light emitted from a light guiding plate which is disposed under the optical sheet and emits the light substantially perpendicular to a liquid crystal panel. The optical sheet comprises a first prism pattern made of a material having a first refractive index and a second prism pattern made of a material having a second refractive index which is larger than the first refractive index. The viewing angle of the LCD apparatus having the optical sheet is extended and the brightness thereof is enhanced while a gray scale inversion is reduced. | 06-10-2010 |
20100157200 | Backlight unit providing polarized light and display apparatus employing the same - Example embodiments relate to a backlight unit and a display apparatus employing the same. The backlight unit may include a light source; a polarization conversion unit configured to convert polarization of light incident from the light source; and a light guide plate configured to emit light incident through the polarization conversion unit. The light guide plate may include a plurality of light emitting portions configured to emit light through specular reflection. The light polarized by the polarization conversion unit may maintain its polarization state when it is subsequently emitted from the light guide plate. | 06-24-2010 |
20100165251 | MICROLENS ASSEMBLY FORMED WITH CURVED INCLINE AND METHOD FOR MANUFACTURING THE SAME, AND LIGHT GUIDING PLATE, BACK LIGHT UNIT AND DISPLAY USING THE SAME - Provided are a light guiding plate for providing a background light source to a non-emission display device, a back light unit, and a microlens used therein. The microlens having a curved incline formed therein is made of a light transmitting material to reflect and refract light emitted from a light source. Here, the microlens has a polyhedral shape including a bottom face, a top face opposed to the bottom face, and a plurality of side faces formed between the bottom face and the top face, wherein at least one side face crossing a traveling direction of the light emitted from the light source among the plurality of side faces is a curved face inclined about the bottom face. | 07-01-2010 |
20100165252 | BACKLIGHT OF LIQUID CRYSTAL DISPLAY DEVICE - In a backlight of a liquid crystal display device, the screen of a liquid crystal panel is divided into a plurality of rectangular regions, an edge-light type light guide plate is provided corresponding to each of the rectangular regions, and a plurality of LEDs are provided on the end face of each edge-light type light guide plate. The brightness of the image displayed on each of the rectangular regions is obtained based on an image signal, and, based on the brightness, the brightness of the plurality of LEDs corresponding to each of the rectangular regions is controlled. Accordingly, the power consumption can be reduced as compared with the case where the entire liquid crystal panel is illuminated with uniform brightness. Furthermore, the edge-light type light guide plate is used to allow a decrease in number of the LEDs and the wiring arrangements. | 07-01-2010 |
20100165253 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - Disclosed are a backlight assembly including a light guide plate having at least one slit, at least one light source unit disposed at a side of the light guide plate, and a lower cover which accommodates the light source unit and has at least one support coupled with the at least one slit. | 07-01-2010 |
20100165254 | Light guide panel for LCD back light unit and LCD back light unit thereby - A light guide plate for an LCD back light unit has a rear surface formed with a main prism portion including a plurality of prisms, and a front surface formed with a front-lens part including a plurality of optical members such as lenticular lenses or microlenses so as to improve visibility of a predetermined pattern of the main prism part, and a liquid crystal display device using the light guide plate. | 07-01-2010 |
20100171903 | ILLUMINATING DEVICE AND DISPLAY DEVICE - An illuminating device is provided that includes a light guide plate, a light source disposed on a side face of the light guide plate, and a light modulation element disposed on the surface or on the inside of the light guide plate and joined to the light guide plate. The light modulation element has a pair of transparent substrates disposed apart from each other and opposed to each other, an electrode capable of generating an electric field in a direction parallel to the surface of the transparent substrates, and a light modulation layer provided in a gap between the pair of transparent substrates, and including a first region and a second region whose response speeds to the electric field are different from each other, and at least one of the first region and the second region has optical anisotropy. | 07-08-2010 |
20100182539 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY - A plurality of LEDs ( | 07-22-2010 |
20100182540 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device including a thin light guide plate and, capable of preventing light leakage from light sources is provided. The light guide plate is formed of a sheet. On a back face of the light guide plate, a first projection and a second projection that protrude outwardly and a reflection face provided between the first projection and the second projection are provided. The light sources are disposed on a side face of the light guide plate. A light entering portion is disposed on the side face where the light source is provided. A thin film portion is included between the light sources adjacent to each other in the light entering portion. | 07-22-2010 |
20100182541 | Backlight Unit and a Liquid Crystal Display Apparatus Applying the Same Therein - A backlight unit, being thin-sized, but having high definition and high uniformity of luminance, and a video display apparatus applying the same therein, has a plural number of sets of at least one or more of light source(s) ( | 07-22-2010 |
20100182542 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: an, optical switching member; a light guide panel; and a light source, the light guide panel including, on at least one of a front surface and a back surface thereof, a plurality of surface structures including: a first raised surface extending outward being formed as a free surface; a first light reflection surface entering inside from the first raised surface; a second light reflection surface extending outside from the first light reflection surface; and a second raised surface which continues from the second light reflection surface and is formed as a free surface, whereby a liquid crystal display device may be obtained, which includes a thin light guide panel with a thickness of, for example, 1 mm or less. | 07-22-2010 |
20100188610 | Area active backlight with steerable light source - A liquid crystal display includes a backlight. The backlight includes a plurality of waveguides to selectively direct light. A set of selection elements in combination with the backlight selectively direct light to the front of the display. | 07-29-2010 |
20100195022 | LIQUID CRYSTAL DISPLAY BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY - It is aimed to provide an LCD backlight device and liquid crystal display that can suppress light quantity loss and ensure uniform brightness. | 08-05-2010 |
20100195023 | BACKLIGHT DEVICE FOR LIQUID CRYSTAL DISPLAY - A backlight device for a liquid crystal display device includes a light source providing light; a light waveguide plate | 08-05-2010 |
20100201917 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - Disclosed are a liquid crystal display device including LED local blocks commonly applicable to liquid crystal display panels having different sizes, regardless of model sizes of liquid crystal display device, and a method for fabricating the same. | 08-12-2010 |
20100201918 | LIQUID CRYSTAL DISPLAY APPARATUS AND LIQUID CRYSTAL DISPLAY PANEL THEREOF - A liquid crystal display (LCD) panel having a plurality of pixels includes a first substrate and a second substrate disposed opposite to each other. The first substrate has a common electrode layer which has a first common area and a second common area. The second substrate has a plurality of data lines, a plurality of scan lines, a plurality of signal lines and a pixel electrode layer. The data lines and the scan lines are disposed in array and around the pixels. The signal lines traverse the pixels, respectively. For each of the pixels, the pixel electrode layer overlaps the data line and/or the scan line, and is divided into a first pixel area and a second pixel area by the signal line. The first common area is disposed corresponding to the second pixel area. The first pixel area has a first slit pattern. At least one of the first common area and the second pixel area has a second slit pattern which differs from the first slit pattern in geometry. | 08-12-2010 |
20100208169 | Transflective display apparatus - Provided is a transflective display apparatus including a color reflective plate disposed at a light emitting surface of a light guide plate, and a display panel disposed at another surface of the light emitting surface of the light guide plate so that light emitted from a light source is reflected by a color reflective plate through the light guide plate and travels toward the display panel. | 08-19-2010 |
20100208170 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A surface light source device has a surface-shaped light source having a light emission surface, a first prism sheet at a side of the light emission surface, and a second prism sheet in an opposite side from the surface-shaped light source with the first prism sheet interposed therebetween. The first prism sheet includes prisms having a greater length in a longitudinal direction and having an apical angle between 72 and 100 degrees which are arranged on a surface facing the surface-shaped light source. The second prism sheet includes prisms having a greater length in a longitudinal direction and having an apical angle between 100 and 125 degrees which are arranged on a surface facing a direction opposite the surface-shaped light source. The first and second prism longitudinal direction form an angle of 15 degrees or less, when the first and second prism sheet are viewed in a perpendicular direction. | 08-19-2010 |
20100214509 | LIGHT GUIDE PLATE, SURFACE-EMITTING APPARATUS, LIQUID CRYSTAL DISPLAY APPARATUS, AND METHOD OF PRODUCING A LIGHT GUIDE PLATE - A light guide plate includes a light-emitting surface, a light-reflecting surface opposed to the light-emitting surface, and a light-incident surface including a protrusion formed continuously along an edge portion of the light-emitting surface. Accordingly, light that has entered the protrusion is transmitted through the protrusion and totally reflected on an inner surface of the light-emitting surface to thus propagate inside the light guide plate. As described above, since incident light components emitted toward an upper portion of the light-incident surface can be effectively blocked by the protrusion, luminance distribution characteristics as well as a light use efficiency can be improved. The light guide plate is produced by a punching press process. | 08-26-2010 |
20100220264 | LIQUID CRYSTAL DISPLAY DEVICE AND MOBILE ELECTRONIC DEVICE USING THE SAME - There is provided a liquid crystal display device which can easily be made thin and which is capable of high-quality displaying, as well as a mobile electronic device having the same. | 09-02-2010 |
20100231827 | LIQUID CRYSTAL DISPLAY APPARATUS AND ILLUMINATING APPARATUS THEREFOR - An LCD apparatus includes an LCD panel to display an image and an LED backlight to illuminate the LCD panel from behind. The LCD panel has first sections divided in a vertical direction and second sections divided in a horizontal direction. The LED backlight includes an LED light source and an edge-type light guide. The LED light source includes LEDs that are arranged along at least one of upper and lower sides of the light guide and are allocated to the second sections, respectively. A brightness of an image displayed in a given second section is used to control a light quantity of the corresponding LED. Each LED radially emits light so that light beams from adjacent ones of the LEDs intersect each other. | 09-16-2010 |
20100245716 | Display Device and Backlight Module with Thermal Isolating Layer - A display device and a backlight module thereof are provided. The display device further includes a display panel having a display area. The backlight module is disposed under the display panel and includes a light source holder, a light source, and a light guide plate. The light source holder has a sidewall, a top plate, and a bottom plate, wherein the bottom plate partially overlaps the display area of the display device. The light guide plate is disposed corresponding to the display area of the display device and has one end located in an opening between the top plate and the bottom plate. A thermal isolating layer is interposed between the light guide plate and a portion of the bottom plate which corresponds to the display area. The perpendicular distance between the light guide plate and the portion of the bottom plate overlapping the thermal isolating layer is greater than a perpendicular distance between the light guide plate and the other portion of the bottom plate. | 09-30-2010 |
20100245717 | PRISM SHEET, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING PRISM SHEET - Provided is a prism sheet which has high effects of suppressing Moiré fringes, high front luminance and reduced number of components when it is used as a prism sheet for a backlight unit for a liquid crystal display device. The prism sheet has a prism row having ridges formed in parallel to each other at equivalent intervals on one surface and a light diffusion layer containing porous particles on the other surface. The prism sheet preferably has the prism row on one surface and the light diffusion layer on the other surface by having a light-transmissive substrate in between. | 09-30-2010 |
20100245718 | LCD APPARATUS - An LCD apparatus includes an LCD panel having a color filter for a plurality of color components and having a plurality of pixels each associated with one of the color components of the color filter, and a side lighting-type backlight unit disposed under the LCD panel. The backlight unit includes a light guide and a light source disposed at least at one lateral end of the light guide, and further includes a reflecting layer on a side opposite to a side facing the LCD panel to reflect light coming towards the reflecting layer from the light guide. The color filter is configured to compensate a change in color spectrum in the ambient light that has passed through the LCD panel and the light guide and that has been reflected by the reflecting layer back to the light guide and the LCD panel so that the color temperature of white display of the LCD panel by the ambient light remains substantially the same as the color temperature of the original ambient light. | 09-30-2010 |
20100253881 | Backlight unit and liquid crystal display using the same - A backlight unit capable of improving contrast properties by implementing a local dimming method while making the backlight unit slim, and a liquid crystal display using the same are provided. The backlight unit includes a first light guide plate array including a plurality of first light guide plates arranged in parallel in a first direction to define a first light guide channels; a second light guide plate array including a plurality of second light guide plates arranged in parallel in a second direction intersected with the first direction to a second light guide channels; a first light array arranged near at least one end of the first light guide plate array to illuminate light to the at least one end of the first light guide plate array; and a second light array arranged near at least one end of the second light guide plate array to illuminate light to the at least one end of the second light guide plate array. | 10-07-2010 |
20100253882 | BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY USING THE SAME - A backlight unit comprises: a first light guide plate comprising intaglio patterned lines formed along a first direction thereon to define light guide channels in the first direction; a second light guide plate disposed under the first light guide plate and comprising intaglio patterned lines formed thereon along a second direction crossing the intaglio patterned lines of the first light guide plate to define light guide channels in the second direction; first light sources disposed to face the side of the first light guide plate and irradiating light to the light guide channels of the first direction; and second light sources disposed to face the side of the second light guide plate and irradiating light to the light guide channels of the second direction. | 10-07-2010 |
20100253883 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device, wherein the backlight has a light guiding plate, a first light source group made up of light sources aligned along a first side of the light guiding plate and a second light source group made up of light sources aligned along a second side that faces the first side, the first light source group has a first region where the distance between adjacent light sources is a first distance and a second region where the distance between adjacent light sources is a second distance that is smaller than the first distance, the second light source group has a third region facing the first region and a fourth region facing the second region, the third distance between adjacent light sources in the third region is smaller than the fourth distance between adjacent light sources in the fourth region, and semiconductor devices are positioned so as to face the first region. | 10-07-2010 |
20100271568 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY - Disclosed herein are a backlight assembly and a liquid crystal display (LCD) having the same, wherein the backlight assembly includes a light guide panel having a plurality of lateral sides; and a plurality of light source units each emitting light to a respective lateral side of the plurality of lateral sides, wherein at least two lateral sides of the plurality of lateral sides, which receive light emitted from two respective light source units of the plurality of light source units, are neighboring lateral sides, and wherein at least one lateral side is longer than an incident surface which receives light emitted from the light source unit. | 10-28-2010 |
20100289986 | LIQUID CRYSTAL DISPLAY APPARATUS - A wavelength selection substrate | 11-18-2010 |
20100302480 | EDGE LIT LOCALLY DIMMED DISPLAY - An edge lit locally dimmed display has a spatial light modulator illuminated by a light source. The light source is positioned at an edge and behind the spatial light modulator. The spatial light modulator is illuminated with a low resolution version of a desired image. The illumination may comprise a series of lighting elements that vary smoothly from one element to another at the spatial light modulator. | 12-02-2010 |
20100309412 | AMBIENT LIGHT BACKLIGHT FOR TRANSMISSIVE DISPLAYS - Devices are provided for using ambient light to illuminate transmissive displays. One such backlight includes a light source configured to provide artificial light to the transmissive display when the backlight is closed and a surface configured to reflect ambient light to the transmissive display when the backlight is open. Another backlight includes a surface configured to provide ambient light to the transmissive display even when the backlight is closed. In some implementations, power to the light source may be reduced or shut off when the backlight is open and/or when sufficient ambient light is being provided to the transmissive display. | 12-09-2010 |
20100321612 | PLANAR LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - Provided are a planar lighting apparatus which can perform display without luminance nonuniformity and with a specified luminance distribution in a scanning direction and has high luminance and a large area, and a liquid crystal display device using such a planar lighting apparatus. The scanning light quantity of scanning light | 12-23-2010 |
20100328581 | Liquid Crystal Display Device - A liquid crystal display device includes a display panel, a backlight which radiates light to the display panel, a light emitting element which is mounted on the backlight, and a light guide plate on which light from the light emitting element is incident. The light guide plate has an upper surface and a bottom surface. The bottom surface has grooves formed therein delimited by at least one surface which extends at a slant with respect to the bottom surface. A reflection sheet is provided which reflects the light radiated from the bottom surface. The grooves are formed to produce a first light which is reflected on the grooves and a second light which is radiated from the grooves and is reflected on the reflection sheet, and an asymmetric prism sheet is arranged on the light guide plate. | 12-30-2010 |
20110001901 | DUAL LIGHTGUIDE - A backlight subsystem includes first and second lightguides separated by an interfacial layer. The first lightguide has an output surface oriented toward an associated first illumination field, a back surface, and at least one light input edge. The second lightguide has output surface oriented toward an associated second illumination field, a back surface, and at least one light input edge. An interfacial layer is arranged between the back surfaces of the first lightguide and the second lightguide. The interfacial layer is substantially optically non-absorbing and may be predominately optically transmissive or predominately optically reflective. | 01-06-2011 |
20110007242 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display (LCD) device, an LED PCB with the reflection layer formed on surface thereof is installed at an upper side of the LED array and a reflection plate extends such that it sufficiently covers the lower portion of the LED array to thus make light emitted from the light source incident to its maximum level, thus coping with the reduction in the quantity of light resulting from making the LCD device thinner. The LCD device includes: a liquid crystal panel; an LED array supplying light to the liquid crystal panel; a light guide plate installed in a direction in which the LED outputs light, and guiding light; a reflection plate formed between the LED array and a lower portion of a lower cover; and an LED PCB attached to an upper portion of the lower cover at an upper side of the LED array and having a reflection layer formed at a side facing the light guide plate. Because an existing LED housing reflector is removed, a cost and processing time can be reduced and an assembling process is simplified to improve a defective rate and production yield. | 01-13-2011 |
20110025950 | LIGHT GUIDE PLATE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A light guide plate for a backlight unit of a liquid crystal display device includes one side surface where light from a first light source is incident; the other side surface opposite to the one side surface; a front surface combining the one and the other one side surfaces; and a rear surface including a plurality of light guide patterns, each of the plurality of light guide patterns including a protruding portion and a groove portion, wherein one of the protruding portion and the groove portion is positioned at a center of the other one of the protruding portion and the groove portion. | 02-03-2011 |
20110043724 | Backlight unit and display device using the same - The backlight unit comprises a bottom cover, a light guide plate on which a reflection layer is disposed on at least one side surface thereof, the light guide plate being disposed on an inside of the bottom cover, and a light emitting module disposed on at least one side surface of the light guide plate. | 02-24-2011 |
20110051045 | Backlight Unit And Display Apparatus Including The Same - A backlight unit may be provided that includes a substrate, light sources, a light guide plate, at least one reflecting member, and an optical sheet. The light sources may be on the substrate. The light guide plate may include a light incident part having a light incident surface to which streaks of light respectively emitted from the light sources are laterally incident, and a light emitting part emitting the incident streaks of light upward. The reflecting member may be disposed on a lower surface of the light guide plate, and may reflect the incident light. The optical sheet may be disposed above the light guide plate. The reflecting member may include a first region having a first reflectance and a second region having a second reflectance. | 03-03-2011 |
20110051046 | OPTICAL SHEET, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME AND METHOD OF FABRICATING OPTICAL SHEET - Disclosed is to decrease a fabrication cost and reduce a thickness of a liquid crystal display device by processing light transmitted through a liquid guide plate by virtue of a single optical sheet, the optical sheet including a base film, a plurality of prism patterns extending from one side to another side of the base film, and refraction layers between the prism patterns, thereby totally reflecting light incident from the light guide plate to be supplied to a liquid crystal display panel. | 03-03-2011 |
20110063543 | LIQUID CRYSTAL DISPLAY DEVICE - Each of plural light source units is formed by combining a light source formed of plural light emitting elements mounted on a wiring substrate with a light guide plate having a side surface serving as a light incident surface. The wiring substrate is attached to the chassis such that the light output surface of the light emitting element is perpendicular to the light emitting element mount surface of the wiring substrate. The wiring patterns each with the larger width than that of the electrode are formed on both upper and back surfaces of the substrate at the portion to which the power feeding electrode of the light emitting element is soldered. They are connected via the through holes which are arranged in plural rows around the electrode. | 03-17-2011 |
20110075071 | METHOD FOR MANUFACTURING A LIGHT GUIDE FOR A BACKLIGHT MODULE IN A LCD MODULE - A method of manufacturing a light guide for a backlight module in a liquid crystal display module is provided. The method includes the following steps: providing a foil; and pressing the foil at a first temperature above a glass transition temperature of a material of the foil to form a thickness profile of the light guide. | 03-31-2011 |
20110085112 | ULTRA-THIN BACKLIGHT - A thin-profile, optically efficient lighting device for use with, among other things, flat information displays, includes a combination of two optically coupled light propagating structures. The first structure may be a compound hyperbolic-elliptic element, adapted to receive light from at least one light source, such as a light emitting diode, and inject it into the second structure, which generally is larger and has hyperbolic-elliptic shape and a plurality of flux extractors. The latter redirect the light flux so that it propagates out of the second structure with a desired luminance and/or intensity distribution in a direction that is essentially perpendicular to the surface of the second structure. The flux extractors may also be of the active, i.e. wavelength-converting, type. | 04-14-2011 |
20110090426 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - Provided are a backlight assembly with improved heat dissipation, and a liquid crystal display (LCD) having such a backlight assembly. The backlight assembly includes: a light guide plate; a light source unit disposed on a side of the light guide plate; an intermediate housing covering an upper surface of the light source unit; and a lower housing coupled to the intermediate housing to accommodate the light guide plate and the light source unit, wherein the lower housing includes: a light source unit-fixing frame to which the light source unit is fixed, the light source unit-fixing frame contacting an inner surface of the intermediate housing; and a body portion disposed under the light guide plate and coupled to the light source unit-fixing frame. | 04-21-2011 |
20110090427 | LIGHT GUIDE PLATE, BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a light guide plate which can suppress glare with reduced thickness. Specifically, a light guide plate ( | 04-21-2011 |
20110102710 | BACKLIGHT MODULE AND DISPLAY MODULE - A backlight module that includes a light guide plate, a point light source having a light emitting surface, a first brightness enhancement film disposed above the light guide plate, and a second brightness enhancement film disposed between the light guide plate and the first brightness enhancement film is provided. The light guide plate has a rectangular pre-display area. A reference line intersects a margin of the rectangular pre-display area in 45 degrees. A normal of the light emitting surface intersects the reference line in a first included angle with ±18 degrees based on the reference line. The first brightness enhancement film has first prism structures extended in a first extending direction intersecting the normal in a second included angle with ±25 degrees based on the light emitting surface. The second brightness enhancement film is disposed between the light guide plate and the first brightness enhancement film. | 05-05-2011 |
20110109843 | LIGHT GUIDE PANEL, BACKLIGHT UNIT AND DISPLAY APPARATUS - A light guide panel, a backlight unit and a display apparatus are provided. A display apparatus includes a light guide panel including a first surface having a first pattern that increases luminance of backlight emitted from a light emitting unit, and a second surface having a second pattern that increases uniformity of luminance of the backlight emitted from the light emitting unit. | 05-12-2011 |
20110109844 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A backlight unit and a liquid crystal display including the same are provided. The backlight includes a light guiding plate, a reflector, and at least one LED assembly including an LED light source, a substrate, and a support plate. A plurality of protrusions formed on a cover of the liquid crystal display are configured to mate to a plurality of concave portions formed on the light guiding plate, the reflector, and the LED assembly to mount the various components of the liquid crystal display onto the cover. | 05-12-2011 |
20110122340 | LIQUID CRYSTAL DISPLAY AND ASSEMBLY THEREOF - The present invention is broadly directed towards a receiving container for an LCD apparatus for securing a lamp and lamp wiring connected to a lamp. The receiving container has features for substantially preventing the lamp wiring from being disconnected from the lamp. For example, a first through-hole for receiving the lamp wiring, a first trench, securing members, and securing projections are utilized to substantially prevent lamp wiring from being disconnected from a lamp. Additionally, the LCD apparatus is easily handled, dissipates heat effectively, and has a light weight. | 05-26-2011 |
20110122341 | LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - A lighting device | 05-26-2011 |
20110134369 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - Disclosed is a backlight unit provided with an improved external appearance and uniform brightness is disclosed. The backlight unit includes a light source, and a light guide plate configured to primarily and secondarily reflect light from the light source and to convert the reflected light into two dimensional light. One side portion of the light guide plate is formed to provide an undercut space enough to accommodate the light source. | 06-09-2011 |
20110134370 | LCD APPARATUS - An LCD apparatus includes an LCD panel having a color filter for a plurality of color components and having a plurality of pixels each associated with one of the color components of the color filter, and a side lighting-type backlight unit disposed under the LCD panel. The backlight unit includes a light guide and a light source disposed at least at one lateral end of the light guide, and further includes a reflecting layer on a side opposite to a side facing the LCD panel to reflect light coming towards the reflecting layer from the light guide. The color filter is configured to compensate a change in color spectrum in the ambient light that has passed through the LCD panel and the light guide and that has been reflected by the reflecting layer back to the light guide and the LCD panel so that the color temperature of white display of the LCD panel by the ambient light remains substantially the same as the color temperature of the original ambient light. | 06-09-2011 |
20110134371 | ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED WITH THE SAME - Provided is an illuminating device wherein generation of luminance deterioration and luminance nonuniformity is suppressed. An illuminating device ( | 06-09-2011 |
20110141400 | LIQUID CRYSTAL DISPLAY DEVICE - An LCD device is disclosed. The disclosed LCD device includes: a liquid crystal display panel configured to display images; a backlight unit configured to include a light source provided for emitting light and optical sheets provided for improving optical characteristics of light which is emitted by the light source; a bottom cover with a receiving portion configured to receive the liquid crystal display panel and the backlight unit; and a heat guide member disposed on a front surface of the receiving portion of the bottom cover and configured to guide the heat generated in the light source toward the liquid crystal display panel. | 06-16-2011 |
20110141401 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight unit being scan-driven is discussed. The backlight unit according to an embodiment includes light sources configured to emit light, and a light guide plate disposed parallel to the light sources and configured to convert spotted lights entered from the light sources into two-dimensional light. The light guide plate includes a plurality of air barriers arranged at a fixed interval and configured to guide lights from the light sources in blocks with a width of the fixed interval. | 06-16-2011 |
20110141402 | LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - A lighting device | 06-16-2011 |
20110141403 | LIGHT-EMITTING MODULE UNIT, LIGHT GUIDE UNIT, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - In an LED module (MJ), a recessed portion (DH) is formed by hollowing at least a part of a region of a non-mounting substrate surface ( | 06-16-2011 |
20110157521 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to the present invention includes a light source, an optical control member, and a liquid crystal display panel. Said optical control member includes a base having optical transparency and a plurality of linear structures provided on said base, a section of the linear structure orthogonal to its extending direction includes a first sectional portion having a triangular shape defined by first to third sides, and a second sectional portion having a plurality of triangular structures each having a smaller area than the first sectional portion and defined by fourth to sixth sides, the first side of the first sectional portion is abutted on and parallel to a surface of said base, the second sectional portion is provided on the second side of the first sectional portion, and the fourth side of the second sectional portion is abutted on and parallel to the second side of the first sectional portion. Said liquid crystal display panel having a polarizing plate arranged in a direction to transmit a P-polarized component is provided on the side of the light output surface of said optical control member. Therefore, the liquid crystal display according to the present invention can solve the problems of color separation and insufficient luminance. | 06-30-2011 |
20110164204 | Backlight Device for Liquid Crystal Display and Method of Fabricating the same - A backlight device for a liquid crystal display includes a substrate, and a plurality of white, red, green, and blue light emitting diodes arranged on the substrate. | 07-07-2011 |
20110170035 | BACKLIGHT UNIT AND DISPLAY MODULE EMPLOYING THE BACKLIGHT UNIT - A backlight unit and a display module employing the backlight unit, the backlight unit including a light guide panel for guiding light to a display apparatus for displaying an image; and a plurality of light source devices arranged in a side portion of the light guide panel, wherein the plurality of light source devices are electrically connected to each other by connecting units having conductivity. The display module may be further slimmed since the limitation due to the thickness of a light source device circuit board is eliminated. | 07-14-2011 |
20110170036 | AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An area light source device that is capable of more evenly emitting light and capable of enhancing the light emission luminance by exiting light of narrower directional characteristics. A light guide substrate includes a light introducing section and a light guide plate main body for exiting the light from a light exit surface. A number of diffusion patterns are formed at the light exit surface. A low refraction index layer is formed at the lower surface of the light guide plate main body, and a reflection layer is formed at the lower surface of the low refraction index layer. The point light source is arranged at a position facing the end face of the light introducing section. A tapered portion inclined to gradually increase the thickness of the light introducing section the farther away from the light source is arranged on the upper surface of the light introducing section. | 07-14-2011 |
20110176089 | AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An area light source device that is capable of evenly emitting light by reducing leakage in the vicinity of the light source, and enhancing the light emission luminance by exiting light of narrower directional characteristics. A light guide substrate includes a light introducing section and a light guide plate main body. Diffusion patterns are provided at the light exit surface of the light guide plate main body. A low refraction index layer is formed at the lower surface of the light guide plate main body, and a reflection layer is formed at the lower surface of the low refraction index layer. The point light source is positioned facing an end face of the light introducing section. A directivity conversion unit is arranged on the upper surface of the light introducing section. The directivity conversion unit is configured by radially arraying a directivity conversion pattern having a V groove shape. | 07-21-2011 |
20110187967 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A surface light source device includes a point source of light and a light guide plate causing light from the point source of light introduced from a light incident end face and emitted from a light emission surface to outside. The light guide plate is formed of a light introducing portion provided at an end of a light guide plate body. The point source of light is placed facing the light incident end face positioned at an end face of the light introducing portion. Along a region of the light introducing portion adjacent to the light guide plate body, a directivity converting portion is provided. The directivity converting portion is configured by arranging V-grooved directivity conversion patterns in an arc shape. A region of the light introducing portion has a thickness equal to that of the light guide plate body and has a surface positioned in the same plane. | 08-04-2011 |
20110216270 | LIQUID CRYSTAL MODULE AND ELECTRONIC APPARATUS - Disclosed herein is a liquid crystal module having a liquid crystal display panel, and a backlight unit disposed on a back surface of the liquid crystal display panel. The liquid crystal display panel has a flexible printed wiring circuit substrate for a liquid crystal display panel. The backlight unit has a light guiding plate, a light emitting diode for emitting a light, a flexible printed wiring circuit substrate for a light emitting diode, and a case in which the light guiding plate and the flexible printed wiring circuit substrate for a light emitting diode are accommodated. The flexible printed wiring circuit substrate for a liquid crystal display panel extends along a side surface of the case. The flexible printed wiring circuit substrate for a light emitting diode has a derivation portion. | 09-08-2011 |
20110234943 | DUAL LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) is provided. The LCD includes at least one light source which provides light, a display panel which includes pixels reflecting the light from the light source, and at least one light guide plate (LGP) which is formed substantially parallel to a surface of the display panel and is separated from the display panel, wherein a predetermined space is defined between the LGP and the display panel, and the LGP guides the light emitted from the light source to the pixels and allows the light reflected by the pixels to pass through the LGP. | 09-29-2011 |
20110242458 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device, including: alight guide plate; first light-emitting diodes and a first connector, which are opposed to a first side surface of the light guide plate; a first substrate on which the first light-emitting diodes and the first connector are mounted; second light-emitting diodes and a second connector, which are opposed to a second side surface of the light guide plate, the second side surface being on a side opposite to the first side surface; and a second substrate on which the second light-emitting diodes and the second connector are mounted, in which: the first connector is opposed to any one of the second light-emitting diodes; the second connector is opposed to any one of the first light-emitting diodes; and the first connector and the second connector are disposed without being opposed to each other. | 10-06-2011 |
20110249221 | LIGHTING DEVICE AND DISPLAY DEVICE - A lighting device includes: a light guide plate; a light source disposed on a side face of the light guide plate; and a light modulation element disposed on a surface or in the inside of the light guide plate and adhered to the light guide plate. The light modulation element has a pair of transparent substrates disposed separately and oppositely, a pair of electrodes provided on respective surfaces of the pair of transparent substrates, and a light modulation layer provided in a gap between the pair of transparent substrates. The light modulation layer includes a first region, having optical anisotropy, responsive to an electric field, and a second region, having optical anisotropy, unresponsive to an electric field. The second region has a striped structure with average striped texture size of 0.05 μm to 10 μm both inclusive in a short axis direction. | 10-13-2011 |
20110255033 | Liquid Crystal Display Device - A liquid crystal display device includes a light guide plate, a light source module, a first tape, a circuit board holder and an elastic support piece, an optical film, a panel, and an elastic buffer piece. By implement of the liquid crystal display device of this invention, the thickness and the weight of the liquid crystal display device can be reduced. | 10-20-2011 |
20110261291 | TRANSPARENT DISPLAY DEVICE - Disclosed is a transparent display device for enhancing image quality, and the transparent display device may include liquid crystal display panel; a light source disposed at one side of a lower portion of the liquid crystal display panel to emit light; a first polarizing plate to first-polarize the light emitted from the light source; a light guide plate at a lower portion of the liquid crystal display panel to receive the light first-polarized by the first polarizing plate through a lateral surface thereof, a pattern being formed on the upper surface of the light guide plate to output the incident first-polarized light in a lower direction of the light guide plate; a second polarizing plate at an upper portion of the liquid crystal display panel to control the amount of light transmitting the liquid crystal display panel; and a first optical sheet at a lower portion of the light guide plate to reflect the first-polarized light received from the light guide plate, and transmit a second polarization component of natural light received from the lower portion thereof. | 10-27-2011 |
20110267563 | LIGHT GUIDE, SURFACE LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide of the present invention is excellent in luminance uniformity and can have a reduction in the number of components and a reduction in production cost. The light guide of the present invention includes a main body of a light guide plate having a light incident plane and a light exit plane, and a distance maintaining section ( | 11-03-2011 |
20110273645 | LED BACKLIGHT SYSTEM FOR LCD DISPLAYS - A LCD system including multiple light sources optically coupled through different light entry regions to at least one waveguide element positioned to backlight a LCD panel. A LCD system including multiple light sources coupled to light entry regions of two or more waveguides comprising a waveguide system positioned to backlight a LCD panel. Waveguides of various configurations and promoting even lighting of associated LCD panels are provided. Resulting LCD systems enable uniformly lit panels having diagonal measurements in excess of 12 to 14 inches, but the invention is not limited to panels of any particular size. | 11-10-2011 |
20110279753 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light guide plate, a light source unit, a display panel, a receiving container, and a driving part. The light guide plate includes at least one chamfered corner and a light incident surface defined by the chamfered corner. The light source unit generates the light and is positioned adjacent to the light incident surface. The display panel receives the light to display an image and the receiving container includes a bottom and sidewalls extended from the bottom to receive the light guide plate and the light source unit. The driving part is electrically connected to the display panel to apply a driving signal to the display panel and is electrically connected to the light source unit to apply a power source voltage to the light source unit. | 11-17-2011 |
20110292321 | SHADOW ELIMINATION IN THE BACKLIGHT FOR A 3-D DISPLAY - A light guide device can provide a backlight for an LCD or a projection display. The light guide device includes a light-input end and an opposing end, opposing left and right sides which join the light-input end and the opposing end, and opposing front and back surfaces which join the light-input end and the opposing end. A birefringent film is provided on the opposing left and right sides of the light guide which switches a polarization of incident light. Incident light is provided at the light-input end having a right-handed circular polarization, in addition to light having a left-handed circular polarization. Light emitted from the front surface passes through a linear polarizer which selectively passes light to allow privacy of viewing by a user. The incident light can be provided at the light-input end using one or more cuboid rods, slab light guides, or discrete light sources. | 12-01-2011 |
20110292322 | ELECTRONIC DEVICE - An electronic device is provided. The electronic device includes a light source, a light guide, a display unit and a frame. The light source provides a light beam. The light guide includes a light emitting surface and a light entering surface, wherein the light beam enters the light guide through the light entering surface, and is emitted from the light emitting surface. The display unit is corresponding to the light emitting surface, wherein the light beam is partially emitted from the light guide, passes through the display unit to display an image. The frame covers the display unit and the light guide, wherein the frame has a display portion and a transparent portion, the image is displayed in the display portion, and the light beam is partially emitted from the light guide toward the transparent portion and passes through the transparent portion. | 12-01-2011 |
20110299012 | LIGHT GUIDE FILM - A flexible light guide film having a light-adjusting structure in the form of a lenticular-like microstructure on the bottom side of the light guide film. The light guide film has a substrate layer supporting a layer light-adjusting structure, which is in the form of an array of longitudinal lenticular lenses laterally arranged in parallel. A prismatic-like microstructure may be provided on the top light emitting side of the light guide film. The light guide film is fabricated by a process involving coating/embossing of a roll of sheet material, in a roll-to-roll continuous process. Advantages includes significantly reducing the thickness of the light guide film, and the roll-to-roll fabrication process provides for more precise replication of the microstructures on the master mold or drum onto the surface of the light guide film, which in turn reduces the failure rate and manufacturing cost. | 12-08-2011 |
20110299013 | PLANAR ILLUMINATION DEVICE AND DISPLAY DEVICE PROVIDED WITH THE SAME - A planar illumination device is provided that enhances the efficiency of use of light and its brightness while suppressing uneven brightness, that reduces an increase in the manufacturing cost and that can reduce the thickness of the planar illumination device. In this backlight device (planar illumination device) ( | 12-08-2011 |
20110310332 | SIMPLIFIED EDGE-LIT BACKLIGHT SYSTEM - A backlight system includes an extended area light guide ( | 12-22-2011 |
20110317100 | LIGHT EMITTING DIODE AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE WITH THE SAME - A light emitting diode adapted to improve light efficiency is disclosed. The light emitting diode includes: a light emitting chip; a first lead frame loaded with the light emitting chip and configured to include first through fourth tilted surfaces which expand outwardly from a region loaded with the light emitting diode, the first and second tilted surfaces being arranged symmetrically with each other in a first direction and the third and fourth tilted surfaces being symmetrical with each other in a second direction perpendicular to the first direction; a second lead frame separated by a fixed distance from the first lead frame; first and second wires configured to connect the first and second lead frames to the light emitting chip, respectively; and a mold frame configured to encompass the first and second lead frames and to include first and second reflection surfaces, which are arranged symmetrically with each other in the first direction of the first lead frame, and third and fourth reflection surfaces which are arranged symmetrically with each other in the second direction of the first lead frame. | 12-29-2011 |
20120002138 | Pattern forming ink composition, light guide plate, light emitting unit and liquid crystal display element having the light emitting unit - The present invention relates to a pattern forming ink composition, and more particularly, to a pattern forming ink composition having high yellowing resistance, wherein the pattern forming ink composition including an acrylate-based resin having a ring structure (A), a compound having at least one ethylenically unsaturated double bond (B) and a photoinitiator (C). The pattern forming ink is printed as a reflection pattern on a light guide plate to scatter and reflect the light incident to the reflection pattern towards a light emitting surface of the light guide plate. | 01-05-2012 |
20120002139 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device according to the present invention ( | 01-05-2012 |
20120008067 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit and a display device including the backlight unit are provided. The backlight unit includes at least one light source unit and a light guide plate. The light source unit provides collimated light and controls light such that it is emitted in a plurality of light exit directions. | 01-12-2012 |
20120019742 | BACK LIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) and a back light module are provided. The back light module includes a light guide plate (LGP) and a plurality of light-emitting devices. The LGP has a plurality of partitioning grooves, a bottom surface, a light exiting surface, a first side and a second side. The bottom surface is opposite to the light exiting surface. The first side and the second side are located at the two opposite side surfaces of the LGP. The extension direction of each of the partitioning grooves extends from the first side towards the second side. Each of the partitioning grooves has an opening and the opening is located at the bottom surface. The plurality of light-emitting devices are disposed at least one of the first side and the second side. The liquid crystal panel of the LCD is disposed at the light exiting surface. | 01-26-2012 |
20120019743 | Uniform reflective light-guide apparatus, and backlight module and LCD device having the same - A uniform reflective light-guide apparatus can accompany an optional edge light source and includes a light-guiding layer, a reflective layer and a light-exiting surface. The light-guiding layer further has a lateral side to define a light-introducing surface for allowing entrance of lights from the edge light source. The reflective layer is to reflect incident lights back to the light-guiding layer. The light-exiting surface perpendicular to the light-introducing surface is to allow at least a portion of the lights in the light-guiding layer to leave the light-guide apparatus. The reflective layer and the light-guiding layer are manufactured integrally by a co-extrusion process so as to avoid possible existence of an air spacing between the reflective layer and the light-guiding layer. | 01-26-2012 |
20120019744 | LIQUID CRSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention is for a liquid crystal display device having a patterned retarder enabling stereoscopic image display and a light reflector capable of improving luminous efficiency provided on a panel of the display device, and a manufacturing method thereof, the liquid crystal display device includes; first and second substrates arranged opposite each other, a light reflector on the first substrate, a first black stripe on the second substrate facing to the light reflector corresponding to the light reflector, a liquid crystal layer formed between the first and second substrates, a retarder provided on top of the second substrate, a reflector placed below the first substrate, and a light source positioned below the reflector. | 01-26-2012 |
20120026429 | Light-guide apparatus with micro-structure, and backlight module and LCD device having the same - A light-guide apparatus for accompanying an edge light source to form a backlight module for an LCD display includes an upper light-distributing layer, a middle light-guiding layer and a lower reflective layer. The light-guiding layer further defines a light-introducing surface for allowing lights emitted from the edge light source to enter the light-guiding layer. The reflective layer reflects the lights back to the light-guiding layer. A light-exiting surface for allowing at least a portion of the lights to leave the light-guiding layer is defined on the top surface of the light-distributing layer and is perpendicular to the light-introducing surface. The light-distributing layer, the light-guiding layer and the reflective layer are manufactured integrally into a unique piece by a co-extrusion process so as to avoid possible existence of air spacing in between. Three-dimensional micro-structures are constructed on a reflective surface interfacing the reflective layer and the light-guiding layer. | 02-02-2012 |
20120026430 | Uniform reflective light-guide apparatus with micro-structure, and backlight module and LCD device having the same - A uniform reflective light-guide for accompanying an edge light source to form a backlight module for an LCD display includes a light-guiding layer and a reflective layer. The light-guiding layer further defines a light-introducing surface and a light-exiting surface. The light-introducing surface is to allow lights emitted from the edge light source to enter the light-guiding layer. The light-exiting surface perpendicular to the light-introducing surface is to allow at least a portion of the lights to leave the light-guiding layer. The reflective layer is to reflect the incident lights back to the light-guiding layer. The reflective layer and the light-guiding layer are manufactured integrally into a unique piece by a co-extrusion process so as to avoid possible existence of an air spacing in between. A reflective surface is defined to interface the reflective layer and the light-guiding layer, and a three-dimensional micro-structure is constructed on the reflective surface. | 02-02-2012 |
20120026431 | LIGHTGUIDE WITH OPTICAL FILM CONTAINING VOIDS AND BLACKLIGHT FOR DISPLAY SYSTEM - A lightguide ( | 02-02-2012 |
20120044441 | LIGHTING DEVICE AND DISPLAY DEVICE - Provided is a lighting device ( | 02-23-2012 |
20120057102 | BACKLIGHT MODULE - The present invention discloses a backlight module, used for a liquid crystal display apparatus. The backlight module comprises a back plate, positioned at the bottom of the backlight module; a display area being in the liquid crystal display apparatus in accordance with the back plate and overlapping therewith, and the display area has a display area center line; and a plurality of LEDs classified to belong to several bright bins respectively and the display area center line has a center corresponding to the LEDs, wherein the LEDs belonging to a higher bright bin are positioned closer to the center and the LEDs belonging to a lower bright bin are positioned farther to the center. The LED backlight module of the present invention can raise the usage rate of LEDs and reduce the cost efficiently. | 03-08-2012 |
20120075556 | LOCALLY CONTROLLABLE BACKLIGHT - A backlight is provided and comprises an optical fiber light-emitting panel comprising an optical fiber light-emitting panel comprising at least one optical fiber light-emitting unit, wherein each optical fiber light-emitting unit comprises a light-emitting portion and a light-guiding portion which are connected together, the light-emitting portion forms a plane emitting area and the light-guiding portion extends to a side edge of the optical fiber light-emitting panel; and at least one illuminating light which is provided at the end surface of the light-guiding portion. Further, a liquid crystal display is provided. | 03-29-2012 |
20120081636 | BACKLIGHT MODULE AND DISPLAY APPARATUS - A backlight module and a display apparatus are disclosed. The backlight module comprises a frame, a plurality of light guide units and a plurality of light sources. The frame includes an inside surface and a plurality of positioning convex portions, wherein the positioning convex portions are formed on the inside surface. The light guide units are disposed in the frame and have a plurality of positioning concave portions. The positioning convex portions of the frame correspond to the positioning concave portions of the light guide units, thereby positioning the light guide units in the frame. The light sources are disposed at one side of the light guide units. The backlight module is applicable to the display apparatus. | 04-05-2012 |
20120081637 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module including a light guide panel (LGP), a light source, and a reflective sheet is provided. The LGP has a light entering surface, a light reflecting surface, and a light exiting surface. The LGP includes a plurality of first light guide micro-structures and a plurality of protruding micro-structures. The first light guide micro-structures are disposed on the LGP and distributed at the light reflecting surface. The protruding micro-structures are disposed on the LGP and distributed at the light reflecting surface. The protruding micro-structures and the first light guide micro-structures are distributed alternatively. The light source is disposed beside the light entering surface. The reflective sheet is disposed at a side of the light reflecting surface and is in contact with the protruding micro-structures. Moreover, a liquid crystal display with the above backlight module is also provided. | 04-05-2012 |
20120086889 | LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF - A backlight module includes an LGP and a linear light source. The LGP includes a light-incident side surface and a top light-emitting surface that has a peripheral region and an effective illumination region. The linear light source includes a circuit board, solid-state light-emitting devices configured on and electrically connected to the circuit board, and a reflector covering a portion of the peripheral region. Light emitted from each solid-state light-emitting device enters the LGP from the light-incident side surface. The reflector includes first reflection parts that correspond to the solid-state light-emitting devices and second reflection parts. Each second reflection part is connected to two adjacent first reflection parts. Each first reflection part and each second reflection part extend towards the effective illumination region from an edge of the top light-emitting surface. An extension length of each first reflection part is shorter than that of each second reflection part. | 04-12-2012 |
20120086890 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A mold frame used for a backlight device is thinned to enable a frame of a liquid crystal display device to be narrowed. Gates for injection molding are arranged on an inner side surface of a mold frame. The inner side surface forms recesses in portions including the positions of the gates. Protrusions for preventing optical sheets from dropping out are disposed on an edge of the optical sheets housed within the mold frame in correspondence with the recesses accompanied by the injection molding. The recesses are used for engaging the protrusions, thereby requiring no provision of additional recesses for engaging the protrusions. | 04-12-2012 |
20120113358 | DISPLAY APPARATUS AND BACK LIGHT APPARATUS - A back light apparatus according to an embodiment includes: an optical aperture part comprising a plurality of optical apertures arranged in parallel to each other; a light source unit comprising a plurality of line sources, the light source unit configured to generate line-shaped light rays associated with the optical apertures respectively; and a diffusion state switching unit configured to be capable of switching a diffusion state of light illuminated from the light source unit. | 05-10-2012 |
20120113359 | Backlight Unit and a Liquid Crystal Display Apparatus Applying the Same Therein - A backlight unit and a video display apparatus having a plural number of sets of one or more of light sources. A light guidance plate for guiding lights from the light sources to a side of a liquid crystal panel, to be emitted. The light sources are disposed on one end side of the light guidance plate. Assuming that width of the gap or groove is “d”, distance between a light incident surface of the liquid crystal panel and a light emission surface of the light guidance plate, or distance between a light incident surface of an optical member disposed between the liquid crystal panel and the light guidance plate and a light emission surface of the light guidance plate is “h”, and further 2.0 mm>d≧0.1 mm and 10.0 mm>h≧0.4 mm, then the following condition is satisfied: 4≦h/d≦100. | 05-10-2012 |
20120127399 | LIQUID CRYSTAL DISPLAY DEVICE AND LIGHTGUIDE - A lightguide to be used in a liquid crystal display device includes a light exit surface, a reflection surface opposed to the light exit surface, and a light entrance surface, which is one side surface. In a region of the light exit surface or the reflection surface, which is on a front side of an intermediate portion between two light sources when viewed from the light entrance surface, a plurality of local-area line-shaped protrusions are arranged, which are extending in a first direction. Each of the local-area line-shaped protrusions reflects the entered light so that a component of the entered light which is orthogonal to the first direction is weakened. A length of a local-area line-shaped protrusion farthest from the two adjacent light sources, is larger than a length of a local-area line-shaped protrusion closest to any one of the two adjacent light sources. | 05-24-2012 |
20120127400 | ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY - It is an object of the invention to provide a technique capable of suppressing variations in luminance in the vicinity of a light entrance surface of a light guide plate. An illumination device includes a point light source, and a light guide plate having a side surface serving as a light entrance surface opposed to the point light source, and a main surface serving as a light exit surface. The light entrance surface of the light guide plate is provided with unevenness formed by arraying at predetermined pitches a plurality of protrusions each projecting from the light entrance surface and extending in a direction perpendicular to the light exit surface. Each of the top surface and the bottom surface of the unevenness is provided with a plurality of micro protrusions each extending in the direction perpendicular to the light exit surface and having a height smaller than the above protrusion. | 05-24-2012 |
20120147293 | REDUNDANT BACKLIGHT FOR LIQUID CRYSTAL DISPLAYS - A redundant LED backlight and method for controlling the same. At least two plurality of LEDs are used to create a backlight where any individual set of LEDs may be driven at power level P to provide the desired overall luminance for the backlight. If two plurality of LEDs are used, then the LEDs may be driven simultaneously at one-half P during normal operations until a failure has been detected in one of the plurality of LEDs. In alternate embodiments, four plurality of LEDs may be used and driven simultaneously at one-fourth P during normal operations until a failure has been detected in one of the plurality of LEDs. The LEDs may be in edge-lit, direct-lit, or any combination of these two orientations. Upon failures, only one plurality of LEDs may be used to provide operation of the LED backlight and any associated LCD device. | 06-14-2012 |
20120147294 | Backlight Unit and Liquid Crystal Display Device Using the Same - “A backlight unit having a LED light source which includes a light guide plate partitioned in areas having a tapered shape formed of a thick and thin portion. The light guide plate forms a thick and thin portion repeated at certain intervals, and the repeated thick portions and the repeated thin portions gradually decrease in thickness. The LED light source is attached to a lateral side of thick portions. Grooves are formed in the light irradiation direction of the LED light source and in a direction perpendicularly intersecting the light irradiation direction. Each of the grooves is formed in an concave shape. There is a relation 0.2/30<=W/D<0.1 where D denotes the distance between the light guide plate and a light diffusion plate, and W denotes the width of each of the grooves. An inclination angle 0 relative to the center of each of the grooves is between 9 and 15 degrees inclusive. | 06-14-2012 |
20120147295 | BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME, AND LIGHT-EMITTING DIODE USED THEREFOR - There are provided light-emitting layer provided on transparent substrate and emitting light of a specific wavelength, first reflecting layer formed on a light exit side relative to light-emitting layer and including a function of reflecting light emitted from light-emitting layer, second reflecting layer provided on a side of substrate in a manner to interpose light-emitting layer between first reflecting layer and second reflecting layer; light diffusion layer that diffuses light emitted from light-emitting layer is disposed between first reflecting layer and second reflecting layer; | 06-14-2012 |
20120154714 | Systems And Method For Displaying Images With Reduced Power Consumption - A method and a system for displaying images are provided. In the method, a pixel is provided that includes a layer of ferroelectric material and a layer of liquid crystal material. A first electric field is momentarily applied to the pixel to electrically polarize the ferroelectric layer to a first polarization. The first polarization is then used to maintain the liquid crystal material in a first orientation corresponding to a first apparent brightness of the pixel. | 06-21-2012 |
20120162576 | SURFACE LIGHT SOURCE DEVICE AND LCD UNIT - A surface light source device having a local dimming function and an LCD unit using the device can include a light guide having a top surface including a plurality of linear convexes and a bottom surface including a plurality of dots. The device can also include a reflective sheet located adjacent the bottom surface, a prism sheet located adjacent the top surface, a diffusing sheet located adjacent the prism sheet, and a pair of LED light sources located adjacent both light incident surfaces of the light guide and divided into a plurality of groups. Each light emitted from the groups can be configured to be emitted independently from a respective one of local domains on a light-emitting surface of the device. Therefore, the disclosed subject matter can provide a surface light source device having a local dimming function with a simple structure as with a conventional edge light type device. | 06-28-2012 |
20120169969 | BACKLIGHT MODULE AND LIQUID CRYSTAL DIVICE USING THE SAME - A backlight module includes a light guide plate with a main body and a light source with a circuit board and a plurality of light bars. The main body has a light incidence surface and a light emitting surface. The light incidence surface has a plurality of accommodating grooves and the light emitting surface or the light incidence surface has a plurality of light-separation grooves which are perpendicular to the accommodating grooves. The accommodating groove has a first and a second light incidence parts. A reflecting layer is disposed on the surface of the circuit board being located between each two light bars. The light source is disposed on the light incidence surface and light bars are disposed for the accommodating grooves so as a predetermined distance located between the light bar and the second light incidence part is formed a light mixing space to reduce the production of bright lines. | 07-05-2012 |
20120176566 | BACKLIGHT DEVICE AND IMAGE DISPLAY APPARATUS - A backlight device of the present invention includes a substrate ( | 07-12-2012 |
20120176567 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including a liquid crystal cell ( | 07-12-2012 |
20120182499 | DISPLAY MODULE - A display module includes a display panel configured to display an image and a backlight. The backlight includes a light guide panel configured to guide light to the display panel, a light source element configured to supply light to the light guide panel, and a reflection sheet disposed over the light guide panel, wherein a chromaticity compensation layer is formed in the backlight unit. The chromaticity compensation layer formed in the backlight reduces yellowing. | 07-19-2012 |
20120182500 | SCANNING BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A scanning backlight unit, a liquid crystal display and television and a television are provided herein. The backlight unit including a light source unit having plural groups of light sources which emit light in a main incidence direction; a control unit which controls the plural groups of light sources; and a light guiding plate having a bottom surface formed with a dispersion pattern dispersing the light received from the light source unit, wherein the dispersion pattern includes a plurality of grooves, with a groove of the plurality of grooves having a shape with a first size parallel to the main incidence direction and a second size perpendicular to the main incidence direction, and wherein the first size is larger than the second size. | 07-19-2012 |
20120188485 | BACKLIGHT UNIT WITH CORNER LIGHT SOURCE - A backlight unit having a corner light source unit includes an optical unit having an optical sheet stacked on a bottom sash, and a liquid crystal display panel stacked on the optical sheet, and a light source unit located at the bottom sash to allow radiated light to be transferred to the liquid crystal display panel via two surfaces of the liquid crystal display panel. | 07-26-2012 |
20120200807 | LIQUID CRYSTAL DISPLAY WITH COLOR LIGHT GUIDE PANEL - An LCD including a backlight module and an LCD panel is provided. The LCD panel includes a color light guide panel, suitable for differentiating an incident light into multiple color lights. The color light guide panel includes a substrate and a color light output structure. The substrate has multiple pixel regions, and the color light output structure is disposed in each of the pixel regions. The color light output structure includes first˜fourth nano-patterns. The incident light is scattered by the first nano-pattern for producing a first color light, scattered by the second nano-pattern for producing a second color light, scattered by the third nano-pattern for producing a third color light, and scattered by the fourth nano-pattern for producing a fourth color light. The color light guide panel can output uniform and high luminous first˜fourth color light, and the LCD can display high quality image. | 08-09-2012 |
20120206670 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes; a plurality of light guide blocks disposed substantially in parallel with each other along a first direction, each of the plurality of light guide blocks including; a light guide plate (“LGP”) having a wedge-shape decreasing in thickness from a first side thereof to a second side thereof, and a light source unit disposed facing a side surface of the LGP, and a light source driving unit which individually controls the light source units of the plurality of light guide blocks to emit light via a local dimming method. | 08-16-2012 |
20120224122 | LIQUID CRYSTAL DISPLAY DEVICE - The liquid crystal display device has a liquid crystal display panel, a backlight for illuminating the liquid crystal display panel where the outer shape of the backlight in a plane has at least one corner of which the angle is greater than 90°, and a light guide plate LG having approximately the same form as the outer shape of the backlight, wherein a number of light emitting diodes are aligned along two sides (s | 09-06-2012 |
20120224123 | LCD and Light Guide Plate Thereof - A light guide plate includes a main body, a main reflective structure and an auxiliary reflective structure. The main reflective structure has a first included angle and a second included angle with respect to a bottom surface of the main body. The auxiliary reflective structure is adjacent to the main reflective structure and has a third included angle and a fourth included angle with respect to the bottom surface. A height difference between the main reflective structure and the auxiliary reflective structure ranges between 1.5 micrometer and 5 micrometer, and a bottom width of the auxiliary reflective structure on the bottom surface is smaller than a bottom width of the main reflective structure on the bottom surface. A liquid crystal display is also disclosed herein. | 09-06-2012 |
20120229731 | LCD and Light Guide Plate Thereof - A light guide plate includes an incident face, a bottom surface, a main reflective structure and an auxiliary reflective structure. The bottom surface is connected to the incident face. The main reflective structure is disposed on the bottom surface and has a first and a second inclined surface. The auxiliary reflective structure is disposed on the bottom surface and has a third and a fourth inclined surface. The auxiliary reflective structure and the main reflective structure have an interval therebetween, in which the interval ranges between 0.2 micrometer and 0.5 micrometer, and a bottom width of the auxiliary reflective structure on the bottom surface is smaller than a bottom width of the main reflective structure on the bottom surface. A liquid crystal display is also disclosed herein. | 09-13-2012 |
20120236231 | LIQUID CRYSTAL DISPLAY AND LED MODULE THEREOF - A liquid crystal display (LCD) includes a cover assembly; a liquid crystal panel; a light guide plate configured to guide light to the liquid crystal panel; a printed circuit board (PCB) to which the light guide plate is mounted; and a light emitting diode (LED) package which is mounted on the PCB and emits light to a lateral side of the light guide plate. The PCB includes a base substrate; a connecting hole which is formed in the base substrate to couple the base substrate to the cover assembly with a connecting member; an insulating layer which is coated on the base substrate while avoiding a head part of the connecting member; and a spacer tape which is provided on an upper side of the insulating layer so that the light guide plate is evenly mounted on the PCB. | 09-20-2012 |
20120249925 | LIGHT CAVITY THAT IMPROVES LIGHT OUTPUT UNIFORMITY - A radiation device is disclosed. The device includes a light cavity including a top surface, a bottom surface, and side walls. A light source array including at least one light source is formed on a first side wall. The device also includes a reflective coating formed on at least the bottom surface. The top surface allows light transmission and includes a light conversion layer. | 10-04-2012 |
20120249926 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a back bezel and at least one light source. The back bezel has a first surface and a second surface opposite thereto, wherein the back bezel includes a plurality of convex portions formed on the second surface. The light source is disposed on the first surface of the back bezel, wherein at least a portion of the convex portions is positioned in a high-temperature region of a temperature distribution diagram of the back bezel. The present invention can use the convex portion of the back bezel to improve the heat-dissipation effect. | 10-04-2012 |
20120249927 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a liquid crystal display panel having a display surface and a rear surface; a light guide plate arranged so as to avoid a position below an edge of the liquid crystal display panel on the side of the rear surface; a flexible wiring board having a portion arranged below the edge of the liquid crystal display panel with a gap disposed between the portion and the edge; a light source mounted, for introducing light, on a surface of the flexible wiring board on the side of the liquid crystal display panel at a position below the edge of the liquid crystal display panel; and a reinforcing plate located next to the light source on the opposite side to the light guide plate and attached to the surface of the flexible wiring board where the light source is mounted. | 10-04-2012 |
20120257144 | LIGHT GUIDING UNIT, LIGHTING DEVICE, AND DISPLAY DEVICE - In order to provide a new light guiding unit capable of accommodating to area-active driving, and a lighting device, a lighting device ( | 10-11-2012 |
20120262647 | Liquid Crystal Display and Backlight Module Employed Therein - The present disclosure provides a backlight module. The backlight module includes a light guide plate and a light bar. The light guide plate includes a light incident surface, and the light bar is adjacent to the light incident surface. The light bar includes a printed circuit board and a plurality of point light sources alternately located on the printed circuit board. Each point light source includes an illuminator and an encapsulation apparatus. The encapsulation apparatus encapsulates the illuminator and fixes the light guide plate for limiting a distance between the light incident surface and the illuminator. The present disclosure also provides a liquid crystal display employing the backlight module. | 10-18-2012 |
20120268691 | Edge-Lit Backlight Device and Liquid Crystal Display - An edge-lit backlight device is disclosed in the present disclosure. The edge-lit backlight device comprises a light guide plate, light sources and a backplate. The light guide plate comprises two wedged plate portions and a rectangular plate portion, the two wedged plate portions are disposed at two sides of the rectangular plate portion respectively, and the wedged plate portions and the rectangular plate portion each comprise a light incident surface and a bottom surface. The light sources are disposed adjacent to the light incident surfaces of the wedged plate portions and the rectangular plate portion respectively. A liquid crystal display (LCD) is also disclosed in the present disclosure. The edge-lit backlight device and the LCD of the present disclosure are simple in structure, allow for regional control functions and can dissipate heat generated by the light sources in a timely and efficient way. | 10-25-2012 |
20120281166 | LIGHT GUIDE PLATE, SURFACE ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a light guide plate yielding a high light use efficiency and capable of emitting light with minimized unevenness in luminance and yielding a distribution such that the central area of the screen is brighter than the periphery, a light guide plate includes a rectangular light exit plane, and a light entrance plane for admitting light traveling substantially parallel to the light exit plane, a rear plane provided opposite from the light exit plane, and scattering particles dispersed inside, the light guide plate further including two or more layers lying on one another in a direction substantially perpendicular to the light exit plane and having different particle densities of scattering particles, the two or more layers including a first layer having a particle density of Npo and a second layer having a particle density of Npr and located closer to the rear plane than the first layer, Npo and Npr having a relation Npo11-08-2012 | |
20120293745 | BACKLIGHT UNIT - A backlight unit according to embodiment comprise of a frame, a light emitting device module disposed on a side of the frame and a plurality of light guide members disposed in the direction of the light irradiated from the light emitting device, wherein the light guide members have light transmissivity and reflectivity different from each other. | 11-22-2012 |
20120293746 | LIGHT GUIDE MODULE AND BACKLIGHT USING SAME - A light guide module ( | 11-22-2012 |
20120320311 | DISPLAY DEVICE - The present invention provides a display device which can ensure a large viewing angle while maintaining high light source energy use efficiency. The display device | 12-20-2012 |
20120327332 | LIGHT GUIDE PANEL, SURFACE LIGHT SOURCE APPARATUS INCLUDING LIGHT GUIDE PANEL, AND FLAT PANEL DISPLAY INCLUDING SURFACE LIGHT SOURCE APPARATUS - A light guide panel includes: a light guide layer having a light incident surface; a polarization separation layer configured to select a desired polarization among light emitted from the light guide layer and to emit light having the polarization; and a light homogenization layer including a plurality of fibers and a supporting medium of the fibers, the light homogenization layer configured to diffuse and scatter light incident on the light guide layer into the light guide layer. The polarization separation layer includes: a plurality of first fibers having birefringence; and a first supporting medium that is isotropic and configured to support the first fibers. The refractive index of the first supporting medium corresponds to at least one of two different refractive indices of the first fibers. The light homogenization layer includes: a plurality of second fibers having birefringence; and a second supporting medium that is isotropic and configured to support the second fibers. | 12-27-2012 |
20130002984 | LIGHT CONTROL DEVICE AND IMAGE DISPLAY DEVICE - A light control device is provided which (i) controls an arbitrary area on a plane to emit light and (ii) can suppress a crosstalk. A light control device ( | 01-03-2013 |
20130002985 | LED SUBSTRATE, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is an LED substrate including a plurality of LEDs that is capable of being downsized in width. An LED substrate ( | 01-03-2013 |
20130002986 | DISPLAY DEVICE - A display device includes: a light source unit configured to emit light from a light emitting surface; and a phosphor layer ( | 01-03-2013 |
20130002987 | EDGE LIGHT TYPE PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is an edge light type planar light source device capable of preventing luminance unevenness. An edge light type planar light source device includes a light guide plate ( | 01-03-2013 |
20130010233 | LIGHT EMITTING DEVICE ARRAY AND BACKLIGHT UNIT - A light emitting device array includes a substrate including a first region and a second region that is inclined with respect to the first region, a first light emitting device package arranged on the first region, and a second light emitting device package that is arranged on the second region and is inclined with respect to the first light emitting device package at an inclination angle between 90° and 160°. | 01-10-2013 |
20130021558 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - In a liquid crystal display device, a reflecting surface is attached to a portion, which overlaps with a periphery portion of a light guiding plate where the light incident section is position in a surface on the light guiding plate side in the dispersing sheet which is positioned farthest to the light guiding plate side among a plurality of optical sheets which are positioned between the light guiding plate and a liquid crystal panel. As a result, light which is emitted from the periphery portion of the light guiding plate is returned into the light guiding plate by being reflected by the reflecting surface, and after this, is emitted as illumination light from a light emitting surface while progressing within the light guiding plate. | 01-24-2013 |
20130021559 | ILLUMINATING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, ELECTRONIC DEVICE, AND MANUFACTURING METHOD OF LIGHT GUIDE PANEL - When first grooves are formed by irradiating a lower surface facing a light outgoing surface of a light guide plate for an illuminating device with laser beams, an outer circumferential region is firstly irradiated with the laser beams to form second grooves. Then, the second grooves are inspected. Next, irradiation conditions of the laser beams are adjusted based on an inspection result of the second grooves, irradiation positions of the laser beams are linearly displaced from formation positions of the second grooves, and formation of the first grooves in the scattering reflection region is then started. | 01-24-2013 |
20130027635 | LIGHTING UNIT, LIQUID CRYSTAL DISPLAY, AND ELECTRONIC APPARATUS - An end of a light guide plate used for a liquid crystal display and a lighting unit, which is positioned on one side in a first direction, is provided with a depressed portion, and another end of the light guide plate, which is positioned on the other side in the first direction, is provided with a projecting portion. Using the depressed portion and the projecting portion, the light guide plate is placed in a predetermined position of a frame body. The depressed portion and the projecting portion are formed at positions opposite each other in the first direction, and the projecting portion is equal to or smaller than the depressed portion in size. | 01-31-2013 |
20130038816 | LIQUID CRYSTAL DISPLAY DEVICE AND LIGHT GUIDE PLATE THEREOF - A light guide plate comprises two supporting bars and a light transmission plate. Each of the supporting bars includes a wall and a first supporting protruded element. Each of the walls has a wall surface, which face each other. Each of the first supporting protruded elements is connected to one of the walls, and is protruded outside the wall surface. The light transmission plate has a light exiting surface, a light entering side surface and a bottom surface. The light exiting surface is disposed oppositely to the bottom surface, and the light entering side surface is connected between the light exiting surface and the bottom surface. The light transmission plate is connected between the supporting bars. Each of the first supporting protruded elements is disposed above the light exiting surface, and a first gap is disposed between each of the first supporting protruded elements and the light exiting surface. | 02-14-2013 |
20130038817 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device ( | 02-14-2013 |
20130044279 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The present invention discloses a backlight module which comprises a back-plate, the back-plate is in a L-shape and includes a first back-plate and a second back-plate; the backlight module further comprises a first radiator and a first light source used to emit red light, the first radiator is connected to the first light source; the first back-plate has a through hole, the first radiator is disposed on the outer side of the first back-plate, the first light source is inserted in the through hole and is extended to the inner side of the first back-plate. The present invention also discloses a liquid crystal display. | 02-21-2013 |
20130057807 | LIGHT GUIDE PLATE, SUFRACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - A light guide plate includes a body portion, first unit optical elements extending on the body portion in the light guide direction, and second unit optical elements disposed in between the first unit optical elements on the body portion. The width of each first unit optical element gradually decreases from that at the center to that at each end in the light guide direction. The ratio of the height to the width in each first unit optical element at the center is higher than the ratio of the height to the width in each second unit optical element. | 03-07-2013 |
20130063682 | Optical Film and Backlight Module and LCD Device Having the Optical Film - An optical film is to attach on a light-incident surface of a light guide plate which cooperates with a plurality of side-light sources in order to form a backlight module. A plurality of specially designed micro-structures is formed on the optical film to better deflect the light generated by the side-light sources before the light enters the light guide plate. Such that, by having the optical film, the dark areas of the light guide plate can be reduced, the effective visual area of the LCD device can be enlarged, and the number of side-light sources as well as the cost for producing the backlight module and the LCD device can be substantially reduced. | 03-14-2013 |
20130077026 | DISPLAY MODULE - A display module having a printed circuit board, a light emitting diode disposed at one surface of the printed circuit board, and an installation installed at the printed circuit board, the printed circuit board provided with an accommodating groove in a concaved manner so that at least a portion of the installation is accommodated therein. | 03-28-2013 |
20130077027 | LED ARRAYS - This invention relates to structures for mounting LEDs, said structures being suitable for use in the manufacture of light guide devices. This invention also relates to light guide devices comprising said structures and methods of manufacture of the aforementioned. The light guide devices are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays. | 03-28-2013 |
20130083270 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device in which uneven brightness in a side-light type backlight unit is reduced, the uneven brightness being generated through reflection of light from a light source at an interface of an engaging cutout portion for preventing a light guide plate from shifting. A light guide plate ( | 04-04-2013 |
20130093980 | LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - A light guide plate ( | 04-18-2013 |
20130093981 | LED Back Light Module and Liquid Crystal Display Device - The present invention discloses a LED back light module and a LCD device, wherein the LED back light module comprises a lamp source fixing device for fixing the LED light bar, and said lamp source fixing device is provided with multiple fins. Because the fins are arranged on the lamp source fixing device for fixing the LED light bar of the present invention, the heat dissipation area is increased, and the LED heat dissipation is improved. | 04-18-2013 |
20130100381 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a backlight module, which comprises a light guide plate and a light source. The light guide plate comprises a light input side, a light output surface which adjoins to the light input side, and a bottom surface corresponding to the light output surface. The light source comprising a light-emitting surface is disposed at one side of the light input side of the light guide plate, and the light-emitting surface of the light source is corresponding to the light input side of the light guide plate. The backlight module further comprises a specular reflector which is disposed between the light-emitting surface of the light source and the light input side of the light guide plate. Light beams which are emitted from the light-emitting surface of the light source toward the outside of the light guide plate will enter the light guide plate after being specularly reflected by the specular reflector. The present invention further provides a liquid crystal display device. | 04-25-2013 |
20130100382 | LIGHT GUIDE PLATE, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate is an optical transmissive plate and comprises at least one light incident surface for receiving light rays, one light exiting surface intersecting with the light incident surface, and one bottom surface opposite to the light exiting surface and formed with a plurality of grooves. The grooves are arranged perpendicularly to the light incident surface for adjusting a distance between a first grooves near the light incident surface and the light incident surface. Since a distance between the first microstructure near the light incident surface and the light incident surface is adjusted without modifying the light coupling distance, the hot-spot phenomenon can be reduced without increasing the cost of the light guide plate. Other grooves are arranged at increasing density and are slightly different for improving uniformity of the light rays outputted and luminance of the backlight module comprising the light guide plate. | 04-25-2013 |
20130107170 | LIQUID CRYSTAL DISPLAY DEVICE | 05-02-2013 |
20130114023 | LIQUID CRYSTAL PANEL ASSEMBLY AND IMAGE DISPLAY APPARATUS HAVING THE SAME - A liquid crystal panel assembly is provided, which includes a liquid crystal panel displaying an image, a light source unit arranged on a side of the liquid crystal panel, an optical sheet unit arranged in the rear of the liquid crystal panel, a reflection sheet arranged to be spaced apart from the optical sheet unit, a light scattering unit arranged adjacent to the light source unit, where the light scattering unit scatters light such that at least some of the light emitted from the light source unit is incident toward the reflection sheet, and a pattern member arranged on the reflection sheet, the pattern member including a pattern of repeating optical shapes. | 05-09-2013 |
20130128189 | Backlight Module and Liquid Crystal Display Device - The present invention discloses a backlight module and an LCD device, wherein the backlight module comprises a light bar, a light guide plate coupled to a luminous surface of the light bar, and a coupling light element arranged between the light bar and the light guide plate; and the coupled light element forms a coupled light channel faced to a light incident surface of the light guide plate around the luminous surface of the light bar. The present invention, by arranging the coupling light element between the luminous surface of the light bar and the light guide plate of the backlight module to be used for leading the light emitted by the light bar to the light guide plate, make the coupling light element formed the coupling light channel faced to the light incident surface of the light guide plate around the luminous surface of the light bar. Besides, the coupling light channel leads the light emitted by the light bar to the light incident surface of the light guide plate, and especially to reflect the wide-angle rays emitted by the light bar to the light incident surface of the light guide plate, and then to make the light emitted by the light bar entered into the light guide plate as much as possible. In this arrangement, the utilization rate of rays of the light emitting lamps is enhanced, the efficiency of the backlight module is enhanced and the display effect of an LCD device is improved. | 05-23-2013 |
20130128190 | Backlight Module and LCD Device - A backlight module is disclosed, which comprises a light guide plate, a point light source and a substrate. The light guide plate comprises a top surface and a bottom surface opposite to each other and a side surface located between the top surface and the bottom surface. The point light source is disposed on the substrate. The backlight module further comprises a backplate, a front frame and a first reflective unit. The backplate is adapted to accommodate the light guide plate. The front frame is disposed adjacent to the top surface of the light guide plate. The point light source is disposed adjacent to the side surface. A bisector line of a light emitting range of the point light source is directed towards a plane in which the top surface or the bottom surface of the light guide plate is located. The first reflective unit is adapted to reflect light emitted from the point light source into the light guide plate. A liquid crystal display (LCD) device comprising the backlight module is further provided in the present disclosure. The backlight module and the LCD device of the present disclosure feature a narrow frame and can dissipate heat easily. | 05-23-2013 |
20130135559 | Backlight Module and LCD Device - The present invention discloses a backlight module and an LCD device, comprising: a backplane and an LGP; the edge(s) of the LGP is provided with lug boss(es), each lug boss is provided with a positioning hole, and the backplane is provided with rivet(s) for matching with the positioning hole; a buffer structure is arranged between the rivet and the wall of the positioning hole. In the present invention, because the edge(s) of the LGP is provided with lug boss(es), each lug boss is provided with a positioning hole, the arrangement of the positioning hole does not influence the light guide area of the LGP; meanwhile, because a layer of buffer structure is arranged between the positioning hole and the rivet, the rupture of the part with concentrated stress in the positioning hole during collision is avoided. In addition, when the LGP is expanded with heat, the buffer structure can also avoid the extrusion damage caused by direct extrusion between the LGP and the rivet; when the LGP is contracted with cold, the gap between the LGP and the rivet is increased so that shake is easily caused. The gap between the LGP and the rivet is automatically filled by a buffer part through the elastic regulation of the buffer part. Thus, the shake collision of the LGP is avoided. | 05-30-2013 |
20130135560 | DISPLAY DEVICE INCLUDING SUB-BACKLIGHT - A display device including a sub-backlight unit which can prevent the obscure sights caused by light from the light source of the sub-backlight unit arriving on an article or reel of the main display screen and then reflecting in the frontal direction is provided. The sub-backlight unit includes a second light guide panel having an opening part formed therein corresponding to a transparent window, a second light source disposed around the second light guide panel, and a polymer dispersed liquid crystal (PDLC) sheet disposed close to the front side of the opening of the second light guide panel. | 05-30-2013 |
20130135561 | ILLUMINATING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND TELEVISION RECEIVING DEVICE - Provided is an illuminating device capable of preventing luminance unevenness from developing therein. An illuminating device ( | 05-30-2013 |
20130141669 | SURFACE LIGHT SOURCE APPARATUS - A light guide plate has a light incident surface configured to be arranged facing a point light source for introducing light from the point light source, a light outputting surface that outputs the light to an outside of the light guide plate, a light introducing section for confining the light from the point light source entered from the light incident surface, and a light guide plate main body having a thickness smaller than a maximum thickness of the light introducing section and being arranged to be continuous with the light introducing section, for outputting the confined light to the outside of the light guide plate from the light outputting surface by a light outputting element. | 06-06-2013 |
20130148058 | Display with Dual-Edge Light-Emitting-Diode Backlight - An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through display layers in the display. The display layers may include color filter elements, a liquid crystal layer, and a thin-film transistor layer. The backlight structures may have a light guide plate with opposing first and second edges. The light guide plate and other display layers may be assembled within support structures such as a metal chassis and a plastic chassis. A first strip of light-emitting diodes may be attached to the first edge of the light guide plate in a position that is floating with respect to the metal chassis. A second strip of light-emitting diodes may be attached to the second edge of the light guide plate in a position that is fixed with respect to the metal chassis. | 06-13-2013 |
20130162932 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A backlight unit and a display device having the same are discussed. According to an embodiment, the backlight unit includes a light source configured to generate light; and a light guide plate configured to distribute the light received from the light source, the light guide plate including: at least one body, each of the at least one body divided into a plurality of blocks, and a plurality of reflective patterns formed on a bottom surface of the body, wherein the plurality of reflective patterns are selectively provided at some of the plurality of blocks. | 06-27-2013 |
20130162933 | ELECTRONIC DEVICE - An electronic device including a display is provided. The display displays a received information content, and the information content has a horizontal direction. The display has a horizontal direction parallel to the information content's horizontal direction. The display includes a display panel, a backlight module and a first polarization unit. The backlight module is disposed at a side of the display panel, wherein the backlight module includes a horizontal prism sheet. The horizontal prism sheet includes a plurality of first prisms, wherein top angles of the first prisms are larger than or equal to 80 degrees and are smaller than 90 degrees. The display panel is located between the first polarization unit and the backlight module. A first angle between a transmission axis of the first polarization unit and the horizontal direction of the display is larger than 45 degrees and smaller than 135 degrees. | 06-27-2013 |
20130182200 | LIGHT GUIDE PLATE, ILLUMINATION DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate ( | 07-18-2013 |
20130188115 | Backlight Module and LCD Device - The invention discloses a backlight module and an LCD device. The backlight module includes an optical assembly at the edge of which an independent positioning lug for fixing the optical assembly is fixed, and the optical assembly is an LGP, a reflector sheet, or an optical film. The invention splits the optical assembly and the positioning part apart, and the optical assembly may be processed into a normal rectangular structure without secondary cutting for forming a positioning part, thereby reducing the waste of materials. The positioning lug has a small size and can be processed with the leftover material of the cut optical assembly. | 07-25-2013 |
20130201427 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel, a first back light module (BLU), a polarizer, a second BLU and a pattern retarder. The first BLU is disposed below the liquid crystal display panel for emitting light. The polarizer is disposed on the first BLU, to convert the light into a first light. The second BLU is disposed between the liquid crystal display panel and the first BLU for emitting a second light. The pattern retarder is disposed between the liquid crystal display panel and the first BLU. The pattern retarder includes plural first and second polarizing regions with orthogonal polarization states, and the first and second polarizing regions are arranged in an interlaced order. Also, the polarization state of the first light is orthogonal to the polarization state of the second polarizing region. | 08-08-2013 |
20130201428 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is provided with: a liquid crystal display panel ( | 08-08-2013 |
20130208214 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to a backlight module and a liquid crystal display (LCD) device, and the backlight module comprises a light guide plate, a base, a light source and a specular reflection plate. An included angle is provided between a light output surface of the light source and a light input surface of the light guide plate, and the included angle is smaller than 90 degree. The backlight module and the LCD device according to the present invention can increase the light coupling efficiency of the backlight module by changing the shape of the light output surface of the light source, so as to solve the technology problem that the light coupling efficiency of the traditional backlight module and the LCD device is relatively low. | 08-15-2013 |
20130215363 | Edge-Lit Backlight Module and LCD Device - The invention relates to the field of liquid crystal displays, and more particularly to an edge-lit backlight module and an LCD device. The edge-lit backlight module includes a light guide panel and a positioning part for positioning the light guide panel. The light guide panel is rigidly positioned in the direction facing a light source and buffer positioned in all the other directions. A new positioning structure for light guide panels is used by the edge-lit backlight module and the LCD device of the invention. The light coupling distance between the light guide panel and the light source of the edge-lit backlight module is controlled because the light guide panel is rigidly positioned in the direction facing the light source, so as to obtain preferable light guiding effect. The light guide panel is buffer positioned in other directions in order to absorb the heat expansion or cold contraction quantity of the light guide panel, and avoid the warpage and deformation of the light guide panel; and the fracture of the light guide panel caused by the rigid contact between the light guide panel and the positioning structure when the light guide panel is impacted is avoided. | 08-22-2013 |
20130222736 | Electronic Device with Illuminated Logo Structures - An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the liquid crystal display. A reflector may be used to enhance backlight efficiency. The electronic device may have a housing in which the display is mounted. The housing may be formed from an opaque material such as metal. An opening may be formed in the housing. Transparent housing structures such as a transparent logo structure may be mounted in the opening of the housing. During operation, a light source may produce light that passes through the transparent logo structure. A light guide structure may be used to guide light from the light source to the transparent logo structure. The reflector may be formed from a coating of metal on the light guide structure. Light from the light source may be used to form the backlight for the backlight structures. | 08-29-2013 |
20130222737 | THIN DISPLAY DEVICE - A display device that economically improves light entry efficiency and non-uniformity of luminance of a light guide plate includes a plurality of light sources arranged at specified intervals so as to face a plane of incidence of the light guide plate to illuminate a liquid crystal module from the rear such that the light guide plate is illuminated with light from the light sources passing through the plane of incidence of the light guide plate. An optically anisotropic member is disposed on the plane of incidence and is configured such that a refractive index along a vertical direction with respect to the plane of incidence of the light guide plate is relatively small and a refractive index along a parallel direction with respect to the plane of incidence is large compared to the relatively small refractive index. | 08-29-2013 |
20130229596 | LED SUBSTRATE, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is an LED substrate capable of being downsized in width. In addition, provided are LED substrates that can be disposed laterally in an efficient fashion. Each LED substrate ( | 09-05-2013 |
20130242231 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - In a surface light source device, a light guide plate includes a light introduction part that traps the light emitted from a point light source and incident from a light incident surface, and a light guide plate body. The light introduction part includes an inclined surface inclined from a surface in a portion having a thickness larger than that of the light guide plate body toward an end of the surface of the light guide plate body. The light guide plate body includes a directivity conversion pattern located between an effective lighting region of the light guide plate body and the light introduction part. The directivity conversion pattern converts a directivity direction of the light from the light introduction part to the effective lighting region such that an angle formed by the directivity direction and a direction perpendicular to the light incident surface decreases when viewed from above. | 09-19-2013 |
20130250213 | LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED WITH SAME - Provided is an illumination device capable of housing and fixing a plurality of light guide plates inside a chassis. The illumination device has a rectangular box-shaped chassis, a plurality of horizontally long rectangular light guide plates that are housed inside the chassis while arranged side by side on the bottom surface, light sources that emit light to the shorter side end faces of the respective light guide plates such that the light enters the respective light guide plates, and a plurality of support members that clamp the respective light guide plates on the bottom surface of the chassis. Each support member has a holding part that makes contact with upper surfaces of respective light guide plates at the long-side edges, a shank extending from the holding part, and a pair of locking pieces elastically deformable toward and away from each other, the pair of locking pieces being provided at an end of the shank and being inserted and engaged in an attachment hole in the bottom plate. | 09-26-2013 |
20130258247 | EDGE-TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY USING THE SAME - An edge-type backlight module and a liquid crystal display using the same. The edge-type backlight module comprising a printed circuit board having a supporting surface; plural light emitting diodes disposed on the supporting surface, each of the light emitting diodes comprising a light emitting surface and the light emitted by the light emitting diode being emitted from the light emitting surface; a reflective film disposed on the supporting surface; a light guide plate disposed above the reflective film so that the reflective film being disposed between the light guide plate and the supporting surface; a reflective surface disposed on a side edge of the light guide plate and kept a distance from the light emitting diode, the reflective surface used for reflecting the light emitted from the light emitting surface; and a dark surface disposed on the supporting surface for absorbing the light reflected by the reflective surface. | 10-03-2013 |
20130258248 | BACKLIGHT DEVICE, LIQUID CRYSTAL MODULE, AND LIQUID CRYSTAL DISPLAY APPARATUS - A backlight device includes a light source, and a light guide plate. The light source device includes a board, and a plurality of light emitting elements in a row on the board. The light guide plate includes a first surface configured to abut against the board, and a second surface opposing the board, the light emitting elements in between the board and the second surface. | 10-03-2013 |
20130258249 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A back light module is provided, which includes a light guide plate, a first light source device and a second light source device. The light guide plate has a first side surface, a second side surface and a third side surface, wherein the first side surface is opposite to the third side surface, and the second side surface is orthogonal to the first and third side surfaces. The first lighting device is disposed at two sides of an intersection corner of the first and second side surfaces and faces the first and second side surfaces. The second light source device is disposed at two sides of an intersection corner of the second and third side surfaces and faces the second and third side surfaces. | 10-03-2013 |
20130258250 | DISPLAY PANEL AND DISPLAY APPARATUS HAVING THE SAME - A display panel of a display apparatus includes: an upper substrate; a lower substrate which faces the upper substrate; a liquid crystal layer which is positioned between the upper substrate and the lower substrate; and a retardation layer which is interposed between the upper substrate and the lower substrate and which compensates for a retardation of light which is caused by the liquid crystal layer when the light passes through the liquid crystal layer and is received by the upper substrate. | 10-03-2013 |
20130265524 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The present invention discloses a backlight module and a liquid crystal display. The reflection surface and the light emitting surface of a light guide plate have two bottom surfaces and two lateral surfaces located therebetween. The two bottom surface comprises a supporting surface. The backlight module further comprises a support post. The supporting surface has an inclined contact surface disposed thereon. The support post is attached to the inclined contact surface. A gravitational force is in a direction parallel to a length of a light source. The force acting between the light guide plate and the support post is formed when a change of the light guide plate occurs along the gravitational force. The support post can push the light guide plate toward the light source under the acting force. | 10-10-2013 |
20130265525 | Lighting System for Transparent Liquid Crystal Display - Exemplary embodiments provide a lighting system for a transparent LCD having opposing vertical edges, the system having a mullion lighting assembly positioned adjacent to each vertical edge of the transparent LCD, each mullion lighting assembly having sidewalls defining a center channel. A plurality of LEDs are positioned along the sidewall of each mullion assembly and on a side of the sidewall that opposes the center channel. The LEDs are preferably placed in conductive thermal communication with the sidewall. A fan is positioned to draw cooling air through the center channel. A lens may be positioned adjacent to the LEDs to collimate the light. Louvers may be used to direct the emitted light away from the LCD, so as to reflect off the goods within a display case or the cavity within the display case. Some embodiments may use a flange to direct the emitted light away from the LCD. | 10-10-2013 |
20130265526 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE INCLUDING THE SAME - A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface. | 10-10-2013 |
20130271700 | LIGHT EMITTING DEVICE, DISPLAY UNIT, AND ILLUMINATION UNIT - A light emitting device includes: a light source; an optical component including a light incident surface, the light incident surface facing the light source; and a wavelength conversion member provided between the light source and the light incident surface, the wavelength conversion member crossing a first region and extending to a second region outside the first region, the first region being surrounded by the light incident surface and light paths of light that is emitted from the light source and enters edges of the light incident surface. | 10-17-2013 |
20130286327 | Backlight Module and Liquid Crystal Display Module - The present invention provides a backlight module configured with a waveguide including an incident surface, and a refractive surface adjacent to the incident surface, and a bottom surface opposite to the refractive surface. A light source is included to provide projected light beam into the incident surface of the waveguide through a deflector. A backframe is disposed on below the bottom surface of the waveguide. And Wherein the deflector is formed by an extension of the backframe extending from an edge of the backframe adjacent to the incident surface, the extension further extending along the incident surface. By the configuration provided, material cost can be lowered, while optical performance of the parts can be stabilized. Coupling between the light source and the waveguide is enhanced. | 10-31-2013 |
20130293810 | LIGHTING DEVICE, LIGHT UNIT AND LIQUID CRYSTAL DISPLAY - A lighting device includes a support member provided with a wiring portion. The lighting device further includes an LED light source placed on the wiring portion, and an insulating layer. The insulating layer is provided on the wiring portion except a region at which the LED light source is placed. The LED light source is covered by a light-transmitting resin portion. A fluorescent substance is dispersed in the light-transmitting resin portion. The fluorescent substance is a sulfide-based fluorescent material. | 11-07-2013 |
20130300981 | PLANAR LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS EQUIPPED WITH THE SAME - A planar light source apparatus includes a light guide plate, an LED arranged on a side surface of the light guide plate, and a functional liquid crystal film. The functional liquid crystal film is provided in a non-light-emitting surface of the light guide plate which is opposite to a light-emitting surface of the light guide plate, and is divided into a plurality of block region. Each of the block regions is individually controllable. Specifically, reflection and transmission of the functional liquid crystal film in each of the block regions are controlled according to an electrical signal, such as voltage. | 11-14-2013 |
20130300982 | PLANAR LIGHTING DEVICE, ELECTRONIC DEVICE PROVIDED THEREWITH, AND LIQUID-CRYSTAL DISPLAY DEVICE - A light guide plate ( | 11-14-2013 |
20130314645 | Backlight Module and Liquid Crystal Display Device - The present invention discloses a backlight module which includes a waveguide and a spot light source. Wherein the waveguide includes an incident face and a refractive surface adjacent to the waveguide, the light beam emitted from the spot light source will be directed toward the refractive surface, and then the light beam enters the waveguide after the light beam is refracted by the refractive surface. The present invention also discloses a liquid crystal display device incorporated with the backlight module disclosed. The backlight module can readily improve the corner vignette and enhanced with more evenly distributed brightness across the waveguide. The liquid crystal display device incorporated with the module also enjoy the evenly distributed brightness. | 11-28-2013 |
20130321743 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module includes a light guide plate and a light source. The light guide plate includes a light incident surface, a bottom surface adjacent to the light incident surface, and a light emitting surface opposite to the bottom surface. The light source is positioned adjacent to the light incident surface, and includes a reflective block and a first point light source. The reflective block includes a first reflective surface facing the light incident surface. An air gap is defined between the first reflective surface and the light incident surface. The first reflective surface includes a first end and a second end. A distance between the first reflective surface and the light incident surface increases gradually along a direction from the first end to the second end. | 12-05-2013 |
20130329165 | LIGHT GUIDE PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING PARTICULAR LIGHT-EMITTING PATTERN SURFACE - A light guide panel (LGP) for use in a liquid crystal display (LCD) apparatus includes a light-emitting pattern surface on which light-emitting patterns are formed, an opposite surface opposite to the light-emitting pattern surface, and four edge surfaces. Lenticular patterns are formed on one of the light-emitting pattern surface and the opposite surface. The light-emitting pattern surface includes a light-emitting part in which the light-emitting patterns are formed; and an edge part which extends along the four edge surfaces to enclose the light-emitting part and in which at least one fixing groove is formed to fix the LGP. The light-emitting part includes a pattern reducing region which faces the fixing groove and has a lower light-emitting pattern density than an other region of the light-emitting part. | 12-12-2013 |
20130335676 | Backlight module, manufacture method for such backlight module, and liquid crystal display device - The present invention disclose a backlight module comprising: a back frame, a light guide plate disposed in the back frame, a plurality of semiconductor light sources, a plurality of light source circuit boards, and a plurality of attachment members. Part of each of the light source circuit boards is disposed between the back frame and the light guide plate, and the other part of each of the light source circuit boards is exposed outside the side edge of the light guide plate, and each of the semiconductor light sources is disposed on the light source circuit boards which are exposed outside the side edge of the light guide plate. The number of the light source circuit boards, the number of the semiconductor light sources, and the number of the attachment members are all at least two, and are arranged along the direction of the side edge of the light guide plate. The present invention also discloses a manufacture method for a backlight module and a LCD device. The present invention can reduce the generation of the bright dots of the LCD device. | 12-19-2013 |
20130335677 | Quantum Dot-Enhanced Display Having Dichroic Filter - A display device is provided. The display device includes a light source emitting a blue light and a light emitting layer including a first group of red quantum dots and a second group of green quantum dots. The light emitting layer is configured to absorb a first portion of the blue light from the light source to emit red light and green light and to transmit a second portion of the blue light. The display device also includes a dichroic filter layer configured to reflect a portion of the transmitted second portion of the blue light such that the reflected portion of the blue light is recycled in the light emitting layer and to transmit a remaining portion of the transmitted second portion of the blue light to output a white light. | 12-19-2013 |
20130335678 | BACKLIGHT MODULE AND DISPLAY APPARATUS THEREOF - A backlight module is for providing light to a liquid crystal panel having a visible region. The backlight module includes a light guide plate, light emitting units, a mesh dot layer, and a diffusing tape. The light emitting units are disposed at a position corresponding to a light entrance surface of the light guide plate for emitting light to the light entrance surface. The mesh dot layer is disposed on a bottom surface of the light guide plate. A side of the mesh dot layer corresponding to the light entrance surface is shifted inward by a first distance relative to a side of the visible region corresponding to the light entrance surface. The diffusing tape is attached onto the bottom surface corresponding to the light entrance surface for diffusing light in the light guide plate to a light exit surface of the light guide plate. | 12-19-2013 |
20130342789 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The present invention discloses a backlight module comprising: a back plate having a side wall on an edge thereof; a light guide plate placed on the back plate; a light source placed on a side of the light guide plate; an optical sheet placed on the light guide plate; and a plastic housing that includes a first end and a second end; the first end has a pressing portion and the second end has a bending portion; the pressing portion contacts with the optical sheet and the bending portion has an extension portion in a first direction; and the extension portion contacts with the side wall of the back plate. The present invention further discloses a liquid crystal display (LCD). | 12-26-2013 |
20130342790 | BACKLIGHT MODULE AND DISPLAY APPARATUS THEREOF - A backlight module is used for providing white light to a liquid crystal panel. The backlight module includes a light guide plate, a backlight source, and a phosphor layer structure. The light guide plate has a light entrance surface. The backlight source is disposed on a position corresponding to the light entrance surface of the light guide plate for emitting light. The phosphor layer structure is disposed between the backlight source and the light entrance surface of the light guide plate and is away from the backlight source by a specific distance, for receiving the light emitted by the backlight source to generate the white light. | 12-26-2013 |
20140016063 | LIGHT GUIDE PLATE, LIGHT-EMITTING UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - The present invention relates to a light guide plate, a light-emitting unit having the light guide plate and a liquid crystal display (LCD) device having the light-emitting unit. The light guide plate includes a pattern-forming ink composition that is coated and dried on a bottom surface of the light guide plate, so as to form dot patterns as a light guide layer. The pattern-forming ink composition includes an acrylate-based resin (A), a yellow pigment (B), a filling material (C) and a solvent (D). A LCD device including the aforementioned light guide plate can achieve the requirements of high brightness and low color temperature. | 01-16-2014 |
20140028955 | BACKLIGHT UNIT AND DISPLAY DEVICE - Provided are (i) at least two light sources ( | 01-30-2014 |
20140036204 | Display Backlight With Closely Spaced Light-Emitting Diode Packages - An electronic device may be provided with a display having backlight structures that include a light guide plate formed from a clear polymer film. The polymer film may have an edge into which light is emitted from an adjacent array of light-emitting diodes. The light emitting diodes may each include a semiconductor device that emits light. The semiconductor device in each diode may be mounted on lead frame structures and wirebonded to the lead frame structures with first and second wire bonds. To improve backlight homogeneity and thereby reduce the mixing distance for light in the light guide plate, the diodes may be spaced closely together using diode packages having end faces that are free of lead frame structures. Exposed lead frame structures for soldering the light-emitting diodes to a substrate may be formed under the light-emitting diodes and on rear surfaces of the light-emitting diodes. | 02-06-2014 |
20140043563 | BACKLIGHT DEVICE AND LIQUID DISPLAY DEVICE INCLUDING THE SAME - A backlight device includes a light guide plate including a plurality of edges and a light source bar. At least one of the plurality of edges includes a depression, the light source bar is positioned within the depression and includes a plurality of light sources, and the plurality of light sources emit light in different directions. | 02-13-2014 |
20140043564 | BACKLIGHT DEVICE - A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P | 02-13-2014 |
20140049726 | Display Backlight with Diffractive Light Mixing - An electronic device display may have display layers that provide images for a user. Backlight structures may provide backlight for the display layers. The backlight structures may include a light source such as an array of light-emitting diodes. A light guide plate in the backlight structures may be used to distribute the light from the light-emitting diodes throughout the display. The light guide plate may have a main rectangular area that overlaps the display. The main rectangular area may have refractive light scattering structures such as a layer containing clear beads. The refractive light scattering structures may scatter light from the light guide plate for use as backlight. A strip of light diffracting structures such as holographic structures or grating structures may be used to mix light from the light-emitting diodes along the border of the light guide plate. | 02-20-2014 |
20140049727 | Electronic Device With Thermally Matched Light Guide Plate - Electronic device backlight structures may be used to provide backlight for a display. The backlight structures may include a light source such as an array of light-emitting diodes. Light from the light source may be coupled into an edge of a light guide plate. The light guide plate may distribute the light laterally across the display. The light guide plate and other display structures may be mounted in an electronic device housing such as a metal housing having metal housing walls. A gap may separate an edge of the light guide plate from the metal housing walls. Mismatch between the coefficients of thermal expansion of the housing and the light guide plate may be minimized to minimize the size of the gap. The light guide plate may be formed from a layer of glass with printed light-scattering structures or from polymer with a filler and molded or printed light-scattering structures. | 02-20-2014 |
20140049728 | LIGHT GUIDE PLATE, LIGHT-EMITTING UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - The present invention relates to a light guide plate, a light-emitting unit having the light guide plate and a liquid crystal display device having the light-emitting unit. The light guide plate includes a light guide layer that has dot patterns. The dot patterns are formed by coating and drying a pattern-forming ink composition on a bottom surface. The pattern-forming ink composition includes an acrylate-based resin having a saturated alicyclic group (A) and a solvent (B). By utilizing the aforementioned light guide plate, the liquid crystal display device with low color difference can be fabricated. | 02-20-2014 |
20140049729 | BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit for a liquid crystal device capable of obtaining a high-quality image and reduced in thinness. The backlight unit is disposed below a liquid crystal panel to irradiate light thereoto. A plurality of separate light guide plates define respective blocks. Groups of LEDs each are disposed along an edge of each of the light guiding plates, each of the LED groups emitting light toward a corresponding one of the light guide plates. The each LED group is turned on and off according to the corresponding block. | 02-20-2014 |
20140063412 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A backlight module comprises a backplate assembly and a light guide unit. The backplate assembly comprises a first backplate unit and a second backplate unit. The first backplate unit comprises a first backplate body and a plurality of first upper hooks. The first upper hooks are formed on a front side of the first backplate body. The second backplate unit comprises a second a backplate body and a plurality of first notches. The first lateral notches are formed on a back side of the second backplate body. The first upper hooks are respectively engaged with the first notches to form a complete backplate assembly. The first backplate unit is separated from the second backplate unit due to the expansion value of the light guide unit when the light guide unit expands in a horizontal direction by heat. | 03-06-2014 |
20140063413 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is provided. The liquid crystal display device comprises a backlight module and a display panel. The display panel includes an array substrate disposed on the light entering face side, a color filter substrate disposed on the light exiting face side and a liquid crystal layer between the two substrates. On the array substrate, there is provided a first polarizing plate. The color filter substrate includes a base substrate, a second polarizing plate disposed on the light exiting face side of the base substrate and a color filter layer disposed on the light exiting face side of the second polarizing plate. The backlight module is a collimated backlight module. | 03-06-2014 |
20140063414 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - Discussed are a backlight unit and an LCD device using the same. The backlight unit according to an embodiment includes a light source; a light guide plate facing the light source; a plurality of protrusion patterns provided on the bottom of the light guide plate; an optical sheet disposed on the light guide plate; and a reflector disposed under the light guide plate, wherein each of the plurality of protrusion patterns has a cross-sectional structure comprising a first side that is a portion of the bottom of the light guide plate, a second side that extends from one end of the first side, and a third side that extends from the other end of the first side. | 03-06-2014 |
20140063415 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device, adjacent light-emitting elements of adjacent different groups are not connected in series but are arranged with an interval. Adjacent light-emitting elements of the same group are arranged with an interval shorter than the interval between the adjacent light-emitting elements of the adjacent different groups. The frame includes plural recesses recessed from an inner peripheral surface facing the light guide plate and recessed also from a surface opposite to the liquid crystal display panel. A protrusion is relatively formed between the adjacent recesses. The light-emitting elements of any one of the groups are housed in one of the recesses and the light-emitting elements of the plural groups are respectively housed in the plural recesses. A protrusion is positioned between the adjacent light-emitting elements of the adjacent different groups. | 03-06-2014 |
20140063416 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - In order to prevent the occurrence of unevenness of planar light and reduce consumption energy, a backlight unit ( | 03-06-2014 |
20140071382 | TEXTURED LIGHT GUIDE TO REDUCE FRICTION WITH FILM - Systems, devices, and methods are provided for using a textured surface of a light guide plate to reduce friction between the light guide plate and an adjacent film. A textured surface across an interior region of the light guide may guide light towards a top surface of the textured light guide. A film positioned on the bottom surface of the textured light guide may reflect light towards the top surface. The film may be positioned within the interior region as a substantially flat (e.g., planar) layer. The surface features may reduce the friction to enable the textured light guide plate and/or film to expand or contract independently from one another due to varying temperatures without forming wrinkles on the film or changing the planarity of the film. | 03-13-2014 |
20140085570 | BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - An objective is to obtain a backlight in which a decrease in brightness at a peripheral portion associated with the change of viewing distance is reduced. The backlight is comprised with an optical member | 03-27-2014 |
20140092344 | Backlight Assembly And Liquid Crystal Display Device - Embodiments of the present invention disclose a backlight assembly and a liquid crystal display device, and the backlight assembly comprises: a light guide plate; a base plate, disposed on an opposite side of a light emitting side of the light guide plate; and a back plate, disposed on a side of the light guide plate along an edge of the base plate, wherein an edge-type light source is disposed on a side facing the light guide plate of the back plate, the back plate is pivotally connected with the base plate via a rotation axis, and the back plate rotates about the rotation axis. | 04-03-2014 |
20140098324 | BACKPLATE, BACKLIGHT MODULE USING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE - This invention discloses a backplate comprising a sheet metal member with a hollow structure and an aluminum extrusion heatsink connected to the end of the sheet metal member. This aluminum extrusion heatsink includes a lateral light source connection portion provided with a light source and a sheet metal member connection portion connected to the lateral light source connection portion, wherein the latter is in contact with the sheet metal member. The aluminum extrusion heatsink further includes two heat-dissipation extension portions respectively arranged at both ends of the sheet metal member connection portion and extending in a length direction of the sheet metal member. Herein, the heat-dissipation extension portion at both ends of the aluminum extrusion heatsink can enhance the heat dissipation effect at the corner region. When the backplate is applied to a liquid crystal display device, it can reduce the stress concentration degree at the corner region thereof. | 04-10-2014 |
20140104542 | LIGHT GUIDE PLATE, PLANAR LIGHT APPARATUS, AND DISPLAY DEVICE - The present invention provides a light guide plate for emitting light radiated from a light source disposed at a side of the light guide plate. The light guide layer has a light incidence side for internally introducing light emitted from the light source at the side thereof; a polarization separation layer comprising a first matrix layer and a first fiber having birefringence and disposed more toward the light emission side than the light guide layer; a low refractive index layer having a lower refractive index than the refractive index of the first matrix layer; and an angle improvement layer comprising a second matrix layer having a second fiber disposed inside the second matrix layer. | 04-17-2014 |
20140125919 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light collector, at least one optical fiber bundle, a fiber light-outputting substrate, a light guide plate and a fiber holding plate. The optical fiber bundle is connected between the light collector and the fiber light-outputting substrate. The light guide plate is disposed at one side of the fiber light-outputting substrate, and the fiber holding plate is configured to hold optical fibers of the optical fiber bundle. The present invention can use ambient light rays to form a backlight source. | 05-08-2014 |
20140125920 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light collector, optical fibers, a fiber light-outputting substrate and a light guide plate. The optical fibers are connected between the light collector and the fiber light-outputting substrate. The light guide plate is disposed at one side of the fiber light-outputting substrate. The light guide plate includes light diffusion recessions, and the light diffusion recessions face the light-outputting openings of the fiber light-outputting substrate. The present invention can use ambient light rays to form a backlight source. | 05-08-2014 |
20140125921 | RESIN SHEET PRODUCING METHOD, OPTICAL MEMBER PRODUCED BY RESIN SHEET PRODUCING METHOD, AREA LIGHT SOURCE DEVICE IN WHICH OPTICAL MEMBER IS USED, LIQUID CRYSTAL DISPLAY DEVICE, AND MOBILE DEVICE - An area light source device has a transfer-molded optical member, and a light source disposed in a position facing at least one of end faces of the optical member. Light incident to the optical member from the light source is output through a light exit surface of the optical member. A cutting back clearance portion is provided in at least one of corner portions of the end face of the optical member. | 05-08-2014 |
20140125922 | BACKLIGHT DEVICE AND LIQUID-CRYSTAL DISPLAY DEVICE COMPRISING SAID BACKLIGHT DEVICE - An edge-light type backlight device includes: a light guide plate that is housed in a frame-shaped member; a long wiring substrate | 05-08-2014 |
20140132887 | LIGHT GUIDE PLATE AND AREA LIGHT SOURCE DEVICE - A light guide plate has an end surface configured to have light incident thereon, a light introduction part that confines light incident through the end surface, and a light guide plate body disposed to be continuously joined to the light introduction part. The light guide plate body has a thickness smaller than a maximum thickness of the light introduction part. The light guide plate body outputs the incident light to an outside from a lighting region through a light exit part. The light introduction part includes an inclined surface in at least one of a light-exit-side surface and an opposite surface of the light-exit-side surface. The directivity change pattern changes directivity of the light passing to the lighting region from the light introduction part. | 05-15-2014 |
20140132888 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY APPARATUS - In order to prevent unevenness in planar light and reduce power consumption, a backlight unit A that emits planar light towards a front side thereof has a light-shielding part | 05-15-2014 |
20140132889 | COLOR DEVIATION BALANCE THIN FILM, SIDE-TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A color deviation balance thin film, a side-type backlight module and a liquid crystal display device. The color deviation balance thin film is applied to the side-type backlight module and the thickness of the color deviation balance thin film is gradually reduced along the backlight irradiation direction. The color deviation balance thin film is arranged in the side-type backlight module and the side-type backlight module with the color deviation balance thin film is arranged in the liquid crystal display device. When the side-type backlight module with the color deviation balance thin film is applied to the liquid crystal display device, the intensity difference of light at different positions along the backlight irradiation direction can be reduced, and the problem of the color deviation generated in the display picture can be effectively improved. | 05-15-2014 |
20140146272 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal panel, an adhesive member on a lower surface of the liquid crystal panel, a light guide plate below the adhesive member, an optical sheet between the light guide plate and the liquid crystal panel and a dummy film between the light guide plate and the adhesive member, wherein the adhesive member is discontinuous in an area adjacent to the dummy film. | 05-29-2014 |
20140146273 | DISPLAY PANEL AND DISPLAY DEVICE HAVING THE SAME - A display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer, a second polarizer and a viewing angle control layer. The second substrate faces the first substrate. A liquid crystal layer is disposed between the first substrate and the second substrate. A first polarizer is disposed on a lower surface of the first substrate and includes a first polarizing layer and a second polarizing layer stacked on each other. A second polarizer is disposed on an upper surface of the second substrate. A viewing angle control layer is disposed on the first polarizer and is configured to control a viewing angle of a column direction of the display panel. | 05-29-2014 |
20140152941 | BACKLIGHT MODULE AND LCD DEVICE - The present disclosure provides a backlight module and a liquid crystal display (LCD) device, including: a backplane, a light guide panel (LGP) arranged in the backplane, a light source arranged on a side of the backlight module and opposite to the light incident surface of the LGP, and a limit frame arranged at an edge of the LGP to limit movement of the LGP. The limit frame is made of sheet metal, the limit frame is configured with a limit structure and a fixing structure connected to the limit structure, the limit frame is fixed to the backplane by the fixing structure, and the limit structure butts and presses on an edge of the light emitting surface of the LGP. | 06-05-2014 |
20140152942 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An surface light source device comprises: a light guide plate; a monochromatic light source located at a side of an incidence surface of the light guide plate; a cholesteric liquid crystal film, a λ/4 wave sheet and a wavelength converting thin film sequentially located at a side of an emission surface of the light guide plate. The surface light source device may improve the utilization rate of light and lower the costs. | 06-05-2014 |
20140160397 | BLACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME AND FABRICATION METHOD THEREOF - A backlight unit and a liquid crystal display device having the same which may facilitate control of output light through a light guide plate, improve light concentration effect, and reduce moire. The backlight unit includes light sources generating light, a light guide plate guiding light through an incidence surface opposite the light sources, emitting the light through an emission surface, and having lower patterns of a prism shape formed on the lower surface of the light guide plate opposite the emission surface by inclined surfaces and sub-inclined surfaces, and at least one optical sheet stacked on the emission surface. | 06-12-2014 |
20140168575 | LIQUID CRYSTAL DISPLAY - A liquid crystal display is described, which includes a backlight module and a liquid crystal display panel. The backlight module includes a light guide plate and a plurality of blue light-emitting diodes adjacent to the light guide plate. The liquid crystal display panel is disposed above the backlight module. The liquid crystal display panel includes a first transparent substrate, a first electrode, a liquid crystal layer, a phosphor powder layer, a color filter, a second electrode and a second transparent substrate stacked above the light guide plate in sequence. The phosphor powder layer includes a plurality of green phosphor powder regions and red phosphor powder regions. The color filter is adjacent to the phosphor powder layer. The color filter includes a plurality of green color filter regions and red color filter regions respectively and correspondingly located, on the green phosphor powder regions and the red phosphor powder regions. | 06-19-2014 |
20140176867 | EDGE TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY FOR PREVENTING LIGHT LEAKAGE - An edge type backlight module for preventing light leakage is disclosed. The backlight module includes an aluminum extrusion, an edge type light source, an optical film set, and a plastic frame. The an adhesive bar is arranged at least partly in a space between the aluminum extrusion and the plastic frame to fix the aluminum extrusion and the plastic frame and to fill a gap between the aluminum extrusion and the plastic frame. A liquid crystal display with the above backlight module is also disclosed. With the configuration, the aluminum extrusion and the plastic frame may be easily fixed, and the light leakage may be avoided. | 06-26-2014 |
20140176868 | Light Guide Plate with Blunt Edges - Electronic devices may include displays. A display may include display layers having an array of display pixels and a backlight unit that provides backlight illumination to the display pixels. The backlight unit may include a light guide plate that distributes light across the display layers and a stack of optical films that may be used to enhance backlight performance. The optical films may be interposed between the light guide plate and the display layers. The light guide plate may be provided with one or more rounded edges formed from curved surfaces and/or one or more beveled edges formed from chamfered surfaces. Providing the light guide plate with rounded or beveled edges may minimize abrasive contact between the light guide plate and the adjacent optical films. An injection molding tool may be used to mold a light guide plate with rounded or beveled edges. | 06-26-2014 |
20140176869 | LIQUID CRYSTAL DISPLAY DEVICE - An LCD device includes a liquid crystal panel; a backlight unit disposed at a rear side of the liquid crystal panel and including an LED assembly and a light guide plate, wherein the light guide plate has a first surface facing the LED assembly and a second surface opposite to the first surface; a cover bottom including a horizontal plane over which the backlight unit is disposed and a side perpendicular to the horizontal plane; a guide panel including a side wall and a horizontal portion, wherein the side wall has a first vertical portion surrounding an outer surface of the side of the cover bottom, and the horizontal portion is vertically bent from the first vertical portion and supports the liquid crystal panel, wherein at least one elastic stopper is formed at the side wall and contacts the second surface. | 06-26-2014 |
20140176870 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel and a backlight. The backlight includes a light guide plate arranged so as to overlap the liquid crystal display panel, an optical sheet arranged between the liquid crystal display panel and the light guide plate, a frame accommodating the light guide plate therein and facing a circumferential edge portion of the liquid crystal display panel, and an adhesive fixing the circumferential edge portion of the liquid crystal display panel to the frame. The frame includes a recess penetrating an outer side surface and an upper surface facing the circumferential edge portion of the liquid crystal display panel. The adhesive is arranged in the recess. | 06-26-2014 |
20140176871 | DISPLAY APPARATUS - The present application discloses a A display apparatus is disclosed comprising a LCD panel, a brightness enhancement film, a light guidance plate, and a light emitting unit. The light guidance plate is made of thermoplastic material doping with nanometer light dissipation particulates. The LCD panel is disposed on at least one light emitting surface side of the light guidance plate. The brightness enhancement film is disposed between the LCD panel and the light guidance plate. The light emitting unit is disposed on at least one light incident end surface side of the light guidance plate and provided as a light source. The display apparatus of the present disclosure can reduce the cost, the thickness and the weight. | 06-26-2014 |
20140176872 | LIQUID CRYSTAL DISPLAY DEVICE - Occurrence of an event can be prevented, whereby, when a backlight expands with heat, a light guide plate might move a group of optical sheets into contact with a middle frame and deform the sheets, thereby causing nonuniformity of luminance on a screen. In particular, a protrusion is formed at an edge of the plate, and the sheets are mounted on the plate to avoid the protrusion. The frame covers the protrusion and the edge of the sheets. Even if a spatial gap with respect to the frame is lost by expansion of the plate, the sheets suffer no deformation due to interference between an edge of the sheets and the frame. Therefore, the nonuniformity of luminance on the screen does not occur, either. Also, unusual sounds due to movement of the plate under vibration do not arise since a gap between the protrusion and the frame can be small. | 06-26-2014 |
20140176873 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate has a light introduction part having an end face configured to have light incident thereon, and a light guide plate body provided continuously to the light introduction part and comprising a thickness smaller than maximum thickness of the light introduction part. The light guide plate body has a light emitting surface configured to emit light incident from the end face. A directivity conversion pattern is provided on at least one of a face on a light exit side and a face opposite to the face. The directivity conversion pattern converts directivity spread in a thickness direction of the light introduction part to a directivity characteristic which is inclined in a direction parallel to a face direction of the light introduction part. A light reflection wall is provided on the end face. | 06-26-2014 |
20140176874 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate has a light introducing portion configured to confine light that is incident from an end surface, and a light guide-plate main body configured to emit incident light to an outside from a light emitting surface and provided continuously with the light introducing portion in a thickness smaller than a maximum thickness of the light introducing portion. The light introducing portion has an inclined surface inclined toward the light guide-plate main body from a surface comprising a larger thickness than a thickness of the light guide-plate main body, on at least one of a surface at a light emission side and a surface opposite to the surface at the light emission side. The inclined surface has a main-inclined surface configured to be positioned in front of a light source arranged opposite to the end surface. | 06-26-2014 |
20140176875 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate has a light introducing portion configured to confine light that is incident from an end surface, and a light guide-plate main body configured to emit incident light to an outside from a light emitting surface and provided continuously with the light introducing portion in a thickness smaller than a maximum thickness of the light introducing portion. The light introducing portion has an inclined surface inclined toward the light guide-plate main body from a surface having a larger thickness than a thickness of the light guide-plate main body, on at least one of a surface at a light emission side and a surface opposite to the surface at the light emission side. | 06-26-2014 |
20140176876 | SURFACE LIGHT SOURCE DEVICE AND ITS LIGHT GUIDE PLATE - A light guide plate has a light introduction part having an end face configured to have light incident thereon, and a light guide plate body disposed continuously to the light introduction part and comprising a thickness smaller than a maximum thickness of the light introduction part. The light guide plate body has a light emitting surface that emits the light incident from the end face. The light introduction part comprises an inclined face disposed on at least one side of the light guide plate. The inclined face is inclined smoothly from a surface of a part thicker than the light guide plate body toward an end of the light guide plate body. An optical pattern part has a linear pattern element is disposed near a region in a proximity of the inclined face in a face on a light exit side of the light guide plate body. | 06-26-2014 |
20140176877 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - Provided is a backlight assembly and a liquid crystal display including: a light source; a light guide plate; and a bottom chassis comprising an accommodating portion, a light source cover configured to accommodate the light source, a first sidewall, and a second sidewall, the accommodating portion comprising a first accommodating portion and a second accommodating portion detachably coupled with each other, wherein the light source cover is formed on a first edge of the first accommodating portion, the first sidewall is formed on a second edge of the first accommodating portion, and the second sidewall is formed on an edge of the second accommodating portion. | 06-26-2014 |
20140192292 | POSITIONING STRUCTURE FOR LIGHT-GUIDING PLATE AND BACK FRAME, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE THEREOF - The present invention provides a positioning structure for light-guiding plate (LGP) and back frame, backlight module and liquid crystal display device thereof, wherein LGP disposed inside the back frame, first side inner wall of back frame disposed with a plurality of LEDs, second side inner wall adjacent to first side inner wall disposed with first magnetic body, a side of LGP corresponding to second side inner wall disposed with attachment body; first magnetic body and attachment body correspondingly attached, third side inner wall of back frame opposite to second side inner wall disposed with buffer plate, fourth side inner wall of back frame disposed with second magnetic body, a side of LGP corresponding to fourth side inner wall disposed with attachment body; second magnetic body and attachment body correspondingly attached. As such, back frame and LGP are firmly positioned and fixed to improve assembly yield arte. | 07-10-2014 |
20140192293 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a light guide plate including a front surface, a back surface and an edge surface, the light guide plate being arranged such that the edge surface faces a light source, the light guide plate internally reflecting light incident from the edge surface and causing surface emission from the front surface; a liquid crystal display panel; and a reflective sheet arranged so as to face the back surface of the light guide plate. The back surface includes a first portion and a second portion. A surface of the second portion is located at a position recessed relatively from a surface of the first portion. The surface of the first portion is a rough surface. The surface of the second portion is a smooth surface. The reflective sheet is in contact with the first portion but avoids contact with the second portion. | 07-10-2014 |
20140198280 | LIQUID CRYSTAL MODULE - A liquid crystal module is disclosed. The liquid crystal module includes a light source, a light guiding device, and a coupling device. The light guiding device is arranged at a light emitting side of the light source and is spaced apart from the light guiding device by a distance. The coupling device is installed between the light source and the light guiding device for controlling a coupling distance therebetween. The coupling device keeps the coupling distance between a light guiding plate and a light source to remain a predetermined value. In this way, the coupling efficiency of the liquid crystal module is not affected by the difference of LEDs or heat inflation so as to enhance the coupling efficiency. | 07-17-2014 |
20140198281 | LIGHT GUIDING SYSTEM, EDGE-TYPE BACKLIHGT MODULE, AND LIQUIDDISPLAY DEVICE - A light guiding system, an edge-type backlight module and a liquid crystal display are disclosed. The light guiding system includes an ambient light collection system facing toward ambient light for absorbing the ambient light, a plurality of light guiding devices, and a fluorescent film arranged between the light emitting ends and the light incident surface. Each of the plurality of light guiding devices includes a light emitting end and a light incident end. The light emitting ends are arranged close to a light incident surface of a light guiding plate, and the light incident ends are arranged close to the ambient light collection system. The absorbed ambient light enters the light incident ends and propagates toward the light emitting ends. By adopting the fluorescent film, the light beams from the light emitting ends are diffused such that brightness difference on the light incident surface is enhanced. | 07-17-2014 |
20140204313 | LIGHT GUIDING SYSETM, EDGE TYPE BACKLIGHT MODULE AND LIQUID DISPLAY DEVICE - A light guiding system, an edge type backlight module and a liquid crystal display are disclosed. The light guiding system includes an ambient light collection system facing toward ambient light to absorb the ambient light and to generate absorbed light, a plurality of light guiding devices, and at least a first and a second light guiding bar. Each of the light guiding devices includes a light emitting end and a light incident end. The light incident ends of the optical fibers are arranged close to the ambient light collection system, and the lights entered from the light incident ends are propagated toward the light emitting ends. Each of the light guiding bars includes a light emitting surface, a light incident surface connected to the light emitting surface, and a first lateral side opposite to the light incident surface. | 07-24-2014 |
20140204314 | LIQUID CRYSTAL DISPLAY DEVICE WITH BRIGHTNESS ADJUSTMENT - An LCD device includes a backlight module, a liquid crystal layer, a brightness detecting module and a control unit. The backlight module includes a light guide plate and light sources. The light guide plate includes a light-mixing part and a light-homogenized part. Protrusions are positioned on the light guide plate. A density of the protrusions in the light-mixing part is greater than that in the light-homogenized part. The liquid crystal layer includes an adjustable part corresponding to the light-mixing part and a nonadjustable part corresponding to the light-homogenized part. The brightness detecting module acquires a brightness distribution data of the liquid crystal layer. The control unit makes a brightness of the adjustable part coincide with a brightness of the nonadjustable part according to the brightness distribution data. | 07-24-2014 |
20140204315 | DISPLAY APPARATUS - A display apparatus includes a backlight assembly which generates a light and a display panel which receives the light to display an image, the display panel including a first substrate, a second substrate which faces the first substrate and is disposed closer to the backlight assembly than the first substrate, a gate line disposed on the first substrate, a data line disposed on the gate line and insulated from the gate line, a thin film transistor disposed on the first substrate and electrically connected to the gate line and the data line, and a reflection preventing layer disposed between the first substrate and the gate line to reduce an amount of a reflected light reflected by the gate line. | 07-24-2014 |
20140211124 | Liquid Crystal Display Device and Backlight Module - The present invention provides a liquid crystal display device and a backlight module incorporated in the liquid crystal display device. The backlight module includes a waveguide, an optical film, an elastic member, and an alignment pin. Wherein the elastic members support corners of the waveguide, and the optical film is disposed onto a surface of the waveguide facing away the elastic members. Wherein the alignment pin is arranged on a side of the elastic member facing the optical film which includes at least a positioning hole is defined, wherein the positioning hole envelopes onto the alignment pin and at least a portion of the alignment pin extending beyond the positioning hole. Wherein the aligning pin has an enlarged head portion having a diameter larger than a diameter of the positioning hole. By this arrangement, the optical film can be prevented from getting loosened, and the quality of the backlight module can be ensured. | 07-31-2014 |
20140211125 | LIGHT GUIDE PLATE AND SURFACE ILLUMINATION DEVICE - A light guide plate includes a light introduction unit that confines light incident from a point light source through the light incident surface and a light guide plate body. The light introduction unit includes an inclined surface inclined toward an end of a surface of the light guide plate body from a surface in a portion having the thickness greater than that of the light guide plate body. The light guide plate body includes a directivity conversion pattern located between the light introduction unit and an effective illumination region of the light guide plate body. The directivity conversion pattern converts a directivity direction of the light passing through an effective illumination region from the light introduction unit such that an angle formed by the light and a direction perpendicular to the light incident surface increases when viewed from a direction perpendicular to a light exit surface. | 07-31-2014 |
20140211126 | ELECTRONIC DEVICE - An electronic device is provided. The electronic device includes a light source, a light guide, a display unit and a frame. The light source provides a light beam. The light guide includes a light emitting surface and a light entering surface, wherein the light beam enters the light guide through the light entering surface, and is emitted from the light emitting surface. The display unit is corresponding to the light emitting surface, wherein the light beam is partially emitted from the light guide, passes through the display unit to display an image. The frame covers the display unit and the light guide, wherein the frame has a display portion and a transparent portion, the image is displayed in the display portion, and the light beam is partially emitted from the light guide toward the transparent portion and passes through the transparent portion. | 07-31-2014 |
20140211127 | LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - A light guide plate includes a body portion, and a plurality of unit shaped elements defining a light exit surface and arranged on one-side surface of the body portion side by side in an arrangement direction intersecting a light guide direction. Each unit shaped element extends in a direction intersecting the arrangement direction. A light exit surface angle θa, which is the angle of the contour of each unit shaped element with respect to the one-side surface, is more than 10° and not more than 30° in a zone of the contour of each unit shaped element, the width of the zone along the arrangement direction being not less than 35% and not more than 70% of the full width of the unit shaped element. | 07-31-2014 |
20140240642 | ILLUMINATION UNIT, DISPLAY, AND ELECTRONIC APPARATUS - Provided is an illumination unit capable of utilizing back light. Also provided are a display and an electronic apparatus each including this illumination unit. A display includes a display panel, and an illumination unit configured to illuminate the display panel. The illumination unit includes a light-guiding plate, a diffusion modulation device, and a reflection modulation device in this order, from the display panel side. The light-guiding plate has a light source on a side face thereof. The diffusion modulation device is capable of performing modulation between a first state of diffusing light from the light source, and a second state of allowing incident light from a back face side to pass to a front face side. The reflection modulation device is capable of performing modulation between a third state of reflecting transmitted diffused light of the diffusion modulation device to a front face side, and a fourth state of allowing incident light from a back face side to the front face side. | 08-28-2014 |
20140253845 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a light guide plate that includes upper, lower and side surfaces; a light emitting element disposed to face an edge surface that is a part of the side surfaces; a reflection sheet that is bent to face the lower surface of the light guide plate and parts of the side surfaces thereof except for the edge surface; and an adhesive material disposed on the reflection sheet in a planar shape of dots or stripes and attaches the reflection sheet to the light guide plate. The lower surface of the light guide plate includes concaves and convexes formed to cause light that advances in the light guide plate to be reflected inside and to advance toward the upper surface. The thickness of the adhesive material is smaller than a maximum value of a height difference of the concaves and convexes. | 09-11-2014 |
20140267981 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight module and a liquid crystal display device having the same are provided. The backlight module includes a light guide plate, a light source, a shading sheet and at least one reflecting sheet. The light guide plate has a first face, a second face corresponding to the first face and a lateral face connected to the first face and the second face, and a light gathering structure is formed at least on the first face. The light source includes a light emitting device and two power source legs, and the light emitting device is detachably attached to the light guide plate. The shading sheet is attached to the first face. The at least one reflecting sheet is attached to the lateral face. | 09-18-2014 |
20140267982 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS PROVIDED THEREWITH - A liquid crystal display device includes a first substrate provided with a reflective electrode, a second substrate provided with a transparent electrode oppositely disposed to the reflective electrode, a liquid crystal layer disposed between the first second substrates, a polarization plate oppositely disposed to the first substrate with an interposition of the second substrate, and an anisotropic scattering member disposed between the second substrate and the polarization plate. A main view angle direction is set as a predetermined direction intersecting a display surface. The anisotropic scattering member has a scattering center and scatters light traveling along a scattering axis direction which is a direction having a predetermined angle range centered around the scattering center. The scattering axis direction coincides with the main view angle direction. | 09-18-2014 |
20140285750 | TRANSPARENT DISPLAY DEVICE - A display device includes a liquid crystal display panel that varies a phase of polarized light via liquid crystal molecules, wherein second recessed patterns of a second light guide plate are directly faced with first recessed patterns of a first light guide plate to form a first empty space, and wherein first flat surfaces of the first light guide plate are directly faced with second flat surfaces of the second light guide plate to form a second empty space narrower than the first empty space. | 09-25-2014 |
20140293188 | Displays with Local Dimming Elements - An electronic device is provided with a display such as a liquid crystal display. The display includes a liquid crystal display module an array of display pixels. A backlight unit is used to provide backlight illumination to the display module. A shutter module having local dimming elements is used to locally control the amount of light that is transmitted through the display. The local dimming elements can be formed from liquid crystal display structures, polymer-dispersed liquid crystal display structures, photovoltaic material, electrowetting display structures, and/or other suitable light controlling elements. Each local dimming element controls the amount of light that is transmitted through an overlapping region of the array of display pixels. The local dimming elements may be arranged in a uniform array having rows and columns or may be shaped and sized differently and located in specific regions of the display. | 10-02-2014 |
20140293189 | REFLECTIVE LIQUID-CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - According to an aspect, a reflective liquid-crystal display device includes a liquid-crystal panel and a front light unit. The liquid-crystal panel includes a sheet-like anisotropic scattering member having low refractive index areas and high refractive index areas with a refractive index higher than that of the low refractive index areas. The front light unit includes a light guide plate laminated on the liquid-crystal panel and having a number of grooves formed on a surface facing the liquid-crystal panel at a pitch of equal to or smaller than 100 □m and a light source that makes light incident on the light guide plate. An arrangement interval of the unit pixels is larger than an average of an arrangement interval of the high refractive index area of the anisotropic scattering member. | 10-02-2014 |
20140293190 | LIGHT GUIDE FILM, BACKLIGHT UNIT FOR ULTRATHIN LIQUID CRYSTAL DISPLAY DEVICE AND MOBILE COMPUTER, AND METHOD FOR PRODUCING LIGHT GUIDE FILM - The present invention relates to a light guide film for a backlight unit of an ultrathin liquid crystal display device, the light guide film allowing rays of light entering from an end face to exit from a front face side, and including a hard layer ( | 10-02-2014 |
20140293191 | LIQUID CRYSTAL DEVICE, ELECTRONIC APPARATUS AND LIGHTING DEVICE - In a liquid crystal device, when the local dimming is adopted, at a light guide plate of a lighting device, light guide plate portions having a trapezoidal planar shape where two sides facing each other in the Y-axis direction have different lengths are arranged in the X-axis direction to have reverse orientations in the Y-axis direction. A light emitting element emits the light of a light source from the end surface of the light guide plate portion which is located at a short side into the light guide plate portion. A light scattering surface is installed at the space between the light guide plate portions. | 10-02-2014 |
20140300845 | DISPLAY DEVICE AND ELECTRONIC APPARATUS - According to an aspect, a display device includes: a display surface on which pixels each including sub-pixels of a plurality of colors are two-dimensionally arrayed; a reflective member; a first substrate provided with the reflective member; a second substrate arranged to face the first substrate; a color filter provided with filters of at least two colors corresponding to the sub-pixels; and a scattering member provided on the second substrate. A main viewing angle direction of the display device is a direction intersecting with the display surface. The color filter is formed such that a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the main viewing angle direction in a direction parallel to the display surface. | 10-09-2014 |
20140307203 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device including a liquid crystal panel in a display area and a non-display area; a plurality of optical sheets under the liquid crystal panel; a light guide plate under the optical sheets; a light source configured to apply light to the light guide plate; and a support main connected to the liquid crystal panel, the optical sheets and the light guide plate and including a first support guide in back of the liquid crystal panel; a second support guide in back of the optical sheets and extending from a side surface of the first support guide; and a third support guide extending from a side surface of the second support guide. An inside portion of the third support guide is narrower than an outside portion of the third support guide. | 10-16-2014 |
20140307204 | DISPLAY DEVICE - A display device includes a display panel, a light source that emits light, a light guide plate comprising a lateral surface that receives the light, wherein the light source emits the light to the lateral surface from a main surface to a back surface of the display panel, a supporting member provided between a peripheral portion of the display panel and a peripheral portion of the light guide plate and that supports the peripheral portion of the display panel, a reflective sheet disposed so as to cover a back surface on an opposite side of the main surface of the light guide plate and that comprises an opening at a position corresponding to the peripheral portion of the light guide plate, and a back surface enclosure disposed so as to oppose the reflective sheet and that includes a first fixing part and a second fixing part. | 10-16-2014 |
20140307205 | OPTICAL FILM, SURFACE LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - An optical film according to one embodiment includes at least one stack having a plurality of basic pairs, each pair being composed of a first layer and a second layer having different refractive indices and being laminated. The number of the stacks, a difference in the refractive index between the first and second layers, and the number of the basic pairs are set such that a reflectance spectrum of the at least one stack as a whole matches a target reflectance spectrum. The target reflectance spectrum includes first and second reflectance spectrum components corresponding to first and second polarized light beams in a predetermined wavelength range, wherein each of them is a spectrum having at least one reflective peak region including a spectrum region having a reflectance of 50% or more and a wavelength width of 20 to 60 nm. | 10-16-2014 |
20140313457 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - The invention provides a backlight module, including: an optical plate and an optical film, wherein at least one edge of optical film being disposed with a protruding ear, protruding ear having a via hole; backlight module further comprising at least a hanging element; wherein a side of the optical plate corresponding to edge of optical film with protruding ear being fixedly connected to hanging element; optical film being disposed on top of optical plate and via hole hanging on hanging element so as to fasten optical film. The backlight module improves the fix reliability of optical plate and prevents from arching up caused by thermal expansion. Because optical plate and optical film expand simultaneously due to heat, the wavy curve of the optical film is avoided and optical quality is improved. The present invention also discloses a liquid crystal display device with the backlight module. | 10-23-2014 |
20140320784 | DISPLAY DEVICE - Disclosed is a display device having a slim and narrow structure. The display device comprises a liquid crystal panel; a light source for providing light to the liquid crystal panel; a light guide of a glass material, wherein the light source is combined with one side of the light guide; a reflector formed on at least one of both surfaces of the light guide; and an adhesive member formed on one surface of the light guide confronting the liquid crystal panel, and provided to attach the liquid crystal panel and the light guide to each other. | 10-30-2014 |
20140320785 | BACKLIGHT DEVICE - A backlight device wherein LEDs which are arranged side by side at a first arrangement interval (P1) are provided to each LED unit. The LED units are mounted to a flexible board at a second arrangement interval. A light guide plate is disposed in such a manner that an end surface thereof is spaced from the LEDs by a distance (H). The light guide plate is disposed so as to satisfy the following relationship: first arrangement interval (P1)10-30-2014 | |
20140327859 | ILLUMINATING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, ELECTRONIC DEVICE, AND MANUFACTURING METHOD OF LIGHT GUIDE PANEL - When first grooves are formed by irradiating a lower surface facing a light outgoing surface of a light guide plate for an illuminating device with laser beams, an outer circumferential region is firstly irradiated with the laser beams to form second grooves. Then, the second grooves are inspected. Next, irradiation conditions of the laser beams are adjusted based on an inspection result of the second grooves, irradiation positions of the laser beams are linearly displaced from formation positions of the second grooves, and formation of the first grooves in the scattering reflection region is then started. | 11-06-2014 |
20140347605 | BACKLIGHT MODULE AND THE LIQUID CRYSTAL DISPLAY - A backlight module is disclosed. The backlight module includes an ambient light collector for collecting ambient lights, at least one optical fiber connecting to the ambient light collector, a light emitting plate arranged closely to an optical plate, at least one fixing sleeve being received in the through hole, and at least one optical fiber sleeve. The light emitting plate includes a plurality of through holes. The optical fiber sleeve is fixed within the fixing sleeve and engages with the light emitting ends of the optical fibers to fix the optical fibers on the light emitting plate. The backlight module utilizes the ambient lights as light source. In addition, by cutting the light emitting end of the optical fibers, the light emitting angle of the lights are greatly enlarged. As such, the brightness difference is decreased and the display performance is enhanced. | 11-27-2014 |
20140347606 | TRANSPARENT DISPLAY DEVICE - Disclosed is a transparent display device including a light guide plate formed with a plurality of concave patterns at the lower surface thereof to totally reflect polarized light entered in a lateral direction while transmitting natural light entered from a lower direction therethrough; a light source disposed in a lateral direction of the light guide plate to emit visible light including first and second polarized lights; a first polarizing plate disposed at a lateral portion of the light guide plate to transmit either one of the first and second polarized lights through the light guide plate; a liquid crystal panel for driving liquid crystals to change the phase of the polarized light; and a second polarizing plate for controlling an amount of the polarized light according to the changed phase of the polarized light. | 11-27-2014 |
20140354918 | SURFACE LIGHT SOURCE DEVICE AND FRAME USED THEREIN - A surface light source includes a light source facing an end face of a lightguide plate, a rectangular-shaped frame surrounding an outer peripheral surface of the lightguide plate, and a reflecting sheet is disposed on a lower surface of the frame. The frame is formed such that an inside frame portion is made of a white resin and an outside frame portion is made of a black resin. The inside frame portion and the outside frame portion are integrally molded by a two-color molding method. | 12-04-2014 |
20140368769 | LIGHT EMITTING DIODE ASSEMBLY AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - An LED assembly includes a supporting layer; LED chips arranged on a first surface of the supporting layer and spaced apart from each other; a coating layer formed over the LED chips and including a fluorescent substance, wherein the coating layer changes light emitted from the LED chips into a linear light source; and an electrode pattern layer formed on a second surface of the supporting layer and in selectively removed regions of the supporting layer and contacting the LED chips. | 12-18-2014 |
20140375929 | LIGHT MANAGEMENT FILM - Example light management films including a plurality of tapered protrusions are described. In many embodiments, a film includes a reflective polarizer layer and a plurality of tapered protrusions disposed on and tapering away from the reflective polarizer layer. At least one tapered protrusion in the plurality of tapered protrusions has a first lateral cross-section at a first location along a height of the tapered protrusion and a second lateral cross-section at a second location along the height of the tapered protrusion. The first cross-section has a first shape and the second cross-section has a different second shape. | 12-25-2014 |
20150009453 | LIGHT SOURCE UNIT, METHOD OF MANUFACTURING THE SAME, AND BACKLIGHT UNIT HAVING THE SAME - A light source unit includes a light source configured to emit a light, a first case including a first groove configured to receive the light source therein, a first sealing member disposed in the first groove and covering the light source, a second case disposed on the first case and including a first opening portion overlapping with the first groove, and a quantum dot member disposed between the first case and the second case and including a light conversion area configured to convert the light to a white light and a defect area surrounding the light conversion area. The first opening portion is disposed through the second case, a portion of the light conversion area overlaps with the first opening portion and the first groove, and the light source unit is configured such that the white light exits therefrom through the first opening portion. | 01-08-2015 |
20150009454 | PHOSPHOR SHEET, LIGHT EMITTING UNIT, AND DISPLAY UNIT - A phosphor sheet includes: a stacked structure including a first phosphor layer and a pair of transparent films each being in contact with either side of the first phosphor layer; a seal layer integrally covering an area from an end face of the stacked structure to a periphery of the stacked structure; and a second phosphor layer further covering a portion of the seal layer, the portion covering at least the periphery of the stacked structure. | 01-08-2015 |
20150022759 | Display with Radioluminescent Backlight Unit - An electronic device is provided with a display such as a liquid crystal display mounted in an electronic device housing. The display may be provided with a backlight unit. The backlight unit may include radioluminescent backlight structures. The radioluminescent backlight structures include an ionizing radiation source that produces beta particles or other ionizing radiation. The radioluminescent backlight structures also include a phosphor that produces light in response to being struck by the ionizing radiation. The light produced by the phosphor passes through liquid crystal display layers and serves as backlight for the display. Photoluminescent material and light-emitting diodes may also be used to produce backlight for the display. The display backlight may have a light guide plate that is provided with light from the radioluminescent light source or other light source structures. | 01-22-2015 |
20150022760 | LIGHT GUIDE ASSEMBLY, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A light guide assembly, a backlight module and a liquid crystal display (LCD) are provided. The backlight module includes a back plate light guide plate, an adhesive member and a light source. The light guide plate is disposed on the back plate and includes a first optical surface, a second optical surface and a light-incident surface. The first optical surface is opposite to the second optical surface. The light-incident surface connects the first optical surface and the second optical surface The first optical surface or the second optical surface of the light guide plate is set with recess. The adhesive member is disposed in the recess to adhere the light guide plate to the back plate. The light source is disposed on the back plate and emits light toward the light guide plate. | 01-22-2015 |
20150022761 | LIGHT GUIDE PLATE TRANSFER MOLDING METHOD, LIGHT GUIDE PLATE, AND PLANAR LIGHT SOURCE APPARATUS - A light guide plate transfer molding method for performing transfer molding of a light guide plate using a first mold and a second mold, includes performing, on a resin material, transfer molding of a first pattern and a second pattern that are provided on a transfer face of the first mold. The first pattern changes with a specific interval P serving as one period. The second pattern changes with one or two or more periods that correspond to 1/Na of the interval P. Na is a positive integer that satisfies Na≦m, m being a specific positive integer. | 01-22-2015 |
20150029440 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - This invention relates to a backlight module and a liquid crystal display where the backlight module comprises a light guide plate, a substrate, a light source, a reflective element and a reflective sheet. The light guide plate and the reflective sheet are joined by a double coated film that is set up along the edge of a lower surface of the light guide plate. A light exit plane of the light source is placed in between the lower surface of the light guide plate and a light exit plane of the light guide plate. By means of altering the setup of the light guide plate and the reflective sheet, this invention settles the technical issue of mura appeared at the corresponding display panel. | 01-29-2015 |
20150029441 | LIGHT UNIT FOR DISPLAY AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A light unit for a display includes: a light guide plate, a plurality of light sources facing a side of the light guide plate and spaced apart from the light guide plate; and a buffering member between the light guide plate and the light source. The buffering member includes: spacing parts positioned respectively between adjacent light sources and contacting the light guide plate, and a blocking part connecting the plurality of spaced parts to each other and facing a side direction of each light source. | 01-29-2015 |
20150029442 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a liquid crystal display panel including a liquid crystal cell between first second polarizing plates; and a surface light source device. The surface light source device includes a light source unit, a light guide plate for outputting first directivity light having directivity of maximum intensity in a first direction, which forms a predetermined angle from a normal direction of the light output surface in a plane approximately parallel to a light guiding direction of light, and having a high ratio of a polarized light component oscillating in the plane and a prism sheet being configured to convert the first directivity light into second directivity light directed in a second direction within a predetermined angle from the normal direction of the light output surface of the light guide plate while substantially maintaining a polarization state of the first directivity light. | 01-29-2015 |
20150029443 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY - A backlight unit includes: a light guide plate; a light source facing an entrance surface of the light guide plate; an optical sheet member located toward an exit surface of the light guide plate; and a frame surrounding the optical sheet member, the light source, and the light guide plate to retain the optical sheet member, the light source, and the light guide plate. The optical sheet member includes a protrusion protruding toward the light source and fixed to the light guide plate. | 01-29-2015 |
20150036077 | CURVED DISPLAY DEVICE - A curved display device includes a display panel having a display area on which an image is displayed; a receiving member receiving the display panel; and a cover member covering a border of the display panel to combine with the receiving member. The display panel has a bent shape along a first direction and a second direction crossing the first direction and each of the receiving member and the cover member is bent to maintain the bent shape of the display panel. | 02-05-2015 |
20150036078 | LIQUID CRYSTAL DISPLAY DEVICE HAVING UNIFORM BRIGHTNESS - A liquid crystal display device having brightness uniformity at its front and lateral sides is provided according to one or more embodiments. In one embodiment, the liquid crystal display device includes a reflection sheet reflecting light, an optical plate including a substrate for guiding light, a height-varying portion formed on one surface of the substrate, not facing the reflection sheet, and a prism pattern formed on the height-varying portion, and a plurality of light sources arranged on one lateral surface of the optical plate in a first direction so as to correspond to a position of the height-varying portion having a height not greater than an average height from the one surface of the substrate to the height-varying portion, wherein the prism pattern extends in a second direction substantially perpendicular to the first direction, and the average height is in a range of about 0.1% to about 10% of the thickness of the substrate. | 02-05-2015 |
20150042923 | LIGHT-GUIDING PLATE, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention discloses light-guiding plate, backlight module and liquid crystal display device. The light-guiding plate includes first incident surface, light-emitting surface, bottom surface and side surface; wherein light-emitting surface being connected to first incident surface, bottom surface being connected to first incident surface, light-emitting surface being connected to side surface, bottom surface being connected to side surface, the angle between first incident surface and side surface connected to first incident surface being obtuse, and light-emitting surface including a plurality of trenches radiating from first incident surface. The radiating trenches disposed on light-emitting surface have certain converging effect on light propagating in light-guiding plate. The propagating light will propagate along the trenches. As such, the incident light can be distributed uniformly over the entire light-guiding plate, and the dark corner phenomenon is eliminated and the emission uniformity of the light-guiding plate is improved. | 02-12-2015 |
20150042924 | LIGHT EMITTING DEVICE, FLAT LIGHT AND FLAT PANEL DISPLAY - A light emitting device comprising a first frame, a light bar and a light guide plate is provided. The first frame has a groove which has a bottom plane, two inner walls, and an opening. The light bar disposed in the groove comprises a substrate having a lower surface attached to the bottom plane and an upper surface having several light sources. The light guide plate has a light emitting surface and a light incident surface. The light incident surface perpendicular and adjoining to the light emitting surface has several abutting portions. The light guide plate is inserted to the groove via the opening. The emitting light of the light source entering the light guide plate is guided by the light guide plate to be emitted off the light emitting surface. The abutting portions abut to the upper surface, so that the light bar is fixed in the groove. | 02-12-2015 |
20150055058 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME - A backlight unit (BLU) and a liquid crystal display apparatus having the BLU are provided. The BLU includes a plurality of light-emitting diodes (LEDs) configured to emit blue light, a fluorescent member configured to convert the blue light emitted from the plurality of LEDs into tricolor light and emit the tricolor light, and a filter disposed between the fluorescent member and the plurality of LEDs, and configured to selectively filter a first wavelength area of the tricolor light emitted from the fluorescent member toward the plurality of LEDs, and reflect a second wavelength area of the tricolor light emitted from the fluorescent member toward an output direction. | 02-26-2015 |
20150062493 | OPTICAL SHEET AND BACKLIGHT UNIT AND DISPLAY DEVICE COMPRISING THE SAME - An optical sheet, a backlight unit having the optical sheet, and a display device having the backlight unit are discussed. According to an embodiment, the optical sheet includes a base film; a high refractive index layer having a plurality of prism portions on the base film; and a low refractive index layer positioned on the high refractive index layer, and covering the plurality of prism portions and having a surface parallel to the base film, each of the prism portions including an incidence surface on which incident light is refracted and a reflective surface on which the refracted light is reflected, the incidence surface including a bent for refracting the incident light towards the reflective surface. | 03-05-2015 |
20150062494 | LIGHT EMITTING MODULE, BACKLIGHT UNIT INCLUDING THE LIGHT EMITTING MODULE, AND LIQUID CRYSTAL DISPLAY INCLUDING THE BACKLIGHT UNIT - A light emitting module includes at least one light emitting chip mounted on a substrate, a sidewall including a fastener fastened to the substrate and surrounding the light emitting chip, and a transparent resin mixed with phosphor configured to fill a space partitioned by the sidewall. | 03-05-2015 |
20150070627 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module and a liquid crystal display are described. The backlight module includes a light guide plate, a light source and a prism sheet. The light guide plate includes a light-emitting surface, a light-incident surface and an axis. The light-incident surface is connected to the light-emitting surface. The axis is normal to the light-incident surface. The light source emits light towards the light-incident surface. The prism sheet is disposed on the light guide plate and includes a first optical surface and a plurality of prism structures which are disposed on the first optical surface. Each of the prism structures has a first surface and a second surface. The first surface and the second surface are connected to form a ridge. The ridge is vertical to the light-incident surface, or an angle included between the ridge and the axis is smaller than or equal to 20 degrees. | 03-12-2015 |
20150085221 | BACKLIGHT MODULE AND CORRESPONDING LIQUID CRYSTAL DISPLAY - The present invention relates to a backlight module and a liquid crystal display (LCD). The backlight module comprises a back plate, a light source, a light guide plate, a plastic housing and a front frame which has four straight subframes. The front frame covers an upper surface of the plastic housing and fixes a display panel by matching with the plastic housing. The front frame of the backlight module and the corresponding LCD of the present invention has a simple structure, which lowers manufacturing cost of the backlight module and reduces weight of the backlight module in the meantime. | 03-26-2015 |
20150085222 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - Discussed are a backlight unit and an LCD device including the same. The backlight unit includes a light guide panel, a light source part disposed at a side of the light guide panel to emit the light, an optical sheet disposed at a front surface of the light guide panel to change a traveling direction of the light to a direction vertical to the light guide panel, a guide panel separated from an end of the optical sheet, and configured to guide the light guide panel, the light source part, and the optical sheet, a reflector disposed at a rear surface of the light guide panel to reflect the light toward the front surface of the light guide panel, a side reflector adhered to a side of the light guide panel, and a cover bottom coupled to the guide panel and in which the reflector is disposed. | 03-26-2015 |
20150085223 | QUANTUM DOT LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS - A quantum dot light-emitting device and a display apparatus including the same, the device including a light-emitting device that emits a first light; a quantum dot layer facing the light-emitting device, the quantum dot layer including a plurality of quantum dots, absorbing the first light, and emitting a second light and a third light that have different wavelength ranges compared to the first light; and a band pass filter on the quantum dot layer, the band pass filter cutting off a portion of the second light and a portion of the third light. | 03-26-2015 |
20150109558 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a backlight provided on a liquid crystal cell in which a liquid crystal layer is interposed between first and second substrates, a first polarizing plate is attached to the outside of the first substrate, and a second polarizing plate is attached to the outside of the second substrate. The liquid crystal cell and the backlight are driven by a field sequential system. A diffusion film is provided on the first polarizing plate which is located on the display surface side of the liquid crystal cell. The backlight is a collimated backlight with a half value width of 20 degrees or less. The viewing angle is increased by the diffusion film while the reduction of the contrast due to the use of the diffusion film is prevented by the collimated backlight, to achieve a liquid crystal display device with sufficient response time and contrast. | 04-23-2015 |
20150124197 | BACKLIGHTING ASSEMBLY COMBINED WITH LCD ASSEMBLY AND METHOD FOR COMBINING THE SAME USING A DOUBLE-SIDED ADHESIVE MEMBER - The high intensity light output of edge lighting point light sources such as LEDs may generate undesired leakage light that is optically conducted by way of a continuum of the material of a components affixing adhesive member. In accordance with present disclosure, air filled grooves or other such discontinuities are formed in the adhesive member along respective light output pathways of the respective point light sources. One corresponding embodiment comprises spaced apart LEDs mounted on an FPCB; a light guide plate (LGP) disposed adjacent to the LEDs; a main support accommodating the LEDs and the LGP; and an adhesive member formed to affix together the FPCB, the main support, and the light guide, wherein the adhesive member is patterned to define air filled grooves along respective light output pathways of the LEDs. | 05-07-2015 |
20150124198 | LIGHT-CONDENSING SHEET, BACKLIGHT AND LIQUID CRYSTAL DISPLAY - Embodiments of the invention disclose a light-condensing sheet, a backlight and a liquid crystal display. The light-condensing sheet comprises a supporter and a plurality of flat light-condensing films provided on the supporter, and refractive indexes of the plurality of light-condensing films gradually increase from bottom to top. | 05-07-2015 |
20150131027 | BACKLIGHT MODULE AND DISPLAY APPARATUS THEREOF - A backlight module includes a light guide plate, alight emitting diode, a limiting block, an elastic member, and a bezel having a containing structure. The light guide plate is disposed in the containing structure and has a side surface and a light entrance surface opposite to the side surface. The light emitting diode is disposed at a position corresponding to the light entrance surface of the light guide plate for emitting light into the light guide plate via the light entrance surface. The limiting block is located at a side of the light emitting diode and extends inwardly from the containing structure for abutting against the light entrance surface. The elastic member abuts against at least one of the light entrance surface and the side surface and the containing structure and is used for providing elastic force to drive the light guide plate to abut against the limiting block. | 05-14-2015 |
20150131028 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit includes a light source providing a blue light; a light guide plate of glass at a side of the light source; an optical sheet on the light guide plate; a reflective sheet under the light guide plate; and an optic change part including a yellow fluorescent material, wherein the blue light is changed into a white light by the optical change part. | 05-14-2015 |
20150138487 | OPTICAL MEMBER, ILLUMINATION DEVICE, AND DISPLAY DEVICE - An optical sheet (optical member) includes: a sheet-shaped base material | 05-21-2015 |
20150146136 | SIDE-LIGHT TYPE BACKLIGHT MODULE - A side-light type backlight module includes a front bezel, an optical film, a light guide plate, a box-shaped back cover, and a light source board. The optical film is positioned on the light guide plate. The back cover is connected to the front bezel, and the light guide plate is positioned in the back cover and integrated with the back cover by insert-molding. The back cover includes a bottom plate and a plurality of side walls perpendicular to the bottom plate, and the inner surfaces of the bottom plate and the plurality of side walls have high reflectivity. The bottom plate of the back cover defines a number of micro indentations. | 05-28-2015 |
20150293289 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate has a light guide plate member having a light incident surface on an end face of the light guide member, and a light emitting surface on a front surface of the light guide plate member, wherein the light incident surface is structured to have light incident thereon, and wherein the light emitting surface is structured to widen and emit light incident thereon out of the light guide plate member, and a directivity changing unit arranged on a light incident end portion of the light guide plate member on the front surface or a back surface of the light guide plate member. The directivity changing unit has a first inner inclined surface and a second inner inclined surface that change a directivity of the incident light within the directivity changing unit to widen the light laterally with respect to a direction perpendicular to the light incident surface. | 10-15-2015 |
20150293298 | LIGHTING DEVICE, DISPLAY DEVICE, AND TELEVISION DEVICE - A backlight device | 10-15-2015 |
20150301259 | LIGHT EMITTING DEVICE, BACKLIGHT UNIT AND DISPLAY APPARATUS - A light emitting device includes: a substrate; a light emitting element mounted on the substrate and emitting blue light and green light; and a wavelength conversion part wavelength-converting a portion of light emitted from the light emitting element into red light, and including fluoride-based phosphors represented by Chemical Formula: A | 10-22-2015 |
20150301261 | LIGHT GUIDE - A light guide having a first major surface, a second major surface, an input edge and an opposing edge, where at least one of the first major surface and the second major surface includes a plurality of multiplets. Each multiplet includes two or more extraction features having an indented geometry. | 10-22-2015 |
20150301266 | LIGHTING DEVICE AND DISPLAY DEVICE - An illumination device of the present invention is provided with: a light source; a light guide plate having a light-receiving face that faces the light source and on which light that has been generated from the light source is incident, an opposite surface that is on the opposite side to the light-receiving face, and a light-exiting surface from which light that has entered the light guide plate from the light-receiving face exits; a first wall disposed along the front-back direction of the light guide plate and having a light absorbing surface that faces the opposite surface and absorbs light that has leaked out from the light guide plate; and a first light absorbing member that extends between a front periphery adjacent to the opposite surface on the light-exiting surface and a front end of the first wall, and absorbs light that has leaked out from the light guide plate. | 10-22-2015 |
20150301269 | PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A planar light source device | 10-22-2015 |
20150301271 | LAMINATED DISPLAY UNIT - A laminated display unit having a light guide, an LCD panel laminated to a major surface of the light guide and a high modulus layer laminated to the light guide opposite the LCD panel. A first material having refractive index n | 10-22-2015 |
20150301384 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus comprises: a liquid crystal display panel including a liquid crystal cell between a first polarizing plate and a second polarizing plate; and a surface light source device having a light source unit and a light guide plate. In a polarized light output from the light guide plate, when the normal direction of a light output surface is defined to be at a polar angle of 90°, and the light guiding direction of the light guide plate is defined to be a direction of an azimuth angle of 0°-180°, a ratio La/Lt of integrated intensity La of output light in ranges where the polar angle is 50° to 80° and the azimuth angle is 135° to 225°, 0° to 45°, and 315° to 360° to integrated intensity Lt of total output light is 0.3 or more. | 10-22-2015 |
20150309239 | LCD MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME - An LCD module according to various embodiments of the present disclosure includes a reflective sheet for reflecting light exiting from a light guide plate to input the light toward the light guide plate again, and a metal sheet bonded to a rear surface of the reflective sheet that is opposite to a light incident surface thereof. | 10-29-2015 |
20150323724 | LIGHT GUIDE PLATE AND SURFACE ILLUMINATION DEVICE - A light guide plate has a light conducting portion having a light input surface for introducing light into the light guide plate, a main light guiding body that is thinner than a maximum thickness of the light conducting portion, and disposed continuously from the light conducting portion, a slanted surface that is disposed on the light conducting portion on at least one of a surface near a light output surface and a surface opposite the surface near the light output surface, and that is inclined from a section of the light guide plate that is thicker than the main light guiding body toward an end of the main light guiding body, two cylindrical surfaces that cut into the slanted surface, and a groove formed by the two cylindrical surfaces. | 11-12-2015 |
20150323731 | LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION DEVICE - A lighting device | 11-12-2015 |
20150346418 | BACKLIGHT MODULE AND LCD USING THE SAME - A backlight module includes a back plate, a reflection sheet disposed on the back plate, a light guide plate disposed on the reflection sheet, an optical resin layer disposed on the light guide plate, and a backlight source disposed at a surface of the light guide plate. The optical resin layer provides with a diffusion structure such that lights which are emitted into the optical resin layer emits out after forming an even surface light source. After lights which are emitted from the backlight source emit into the light guide plate, the lights emits out from the optical resin layer. The backlight module does not use an optical film module so as to reduce the product cost. The present invention also discloses a liquid crystal display using the above illustrated backlight module. | 12-03-2015 |
20150346423 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a plurality of light source packages each having a light-emitting portion for emitting light, a light guide plate which light emitted from the light source packages enters through the incidence surface, having a height and a width, and from which the light exits through the exit surface, and a liquid crystal display panel for controlling, for each pixel, the orientation of a liquid crystal material to control the transmission of the light exiting through the exit surface. Each light source package has two opposing long sides and two opposing short sides when viewed from the direction of the light emitted by the light-emitting portion. The plurality of light source packages are arranged long side to long side in the direction along the width. | 12-03-2015 |
20150355399 | Display with Structures for Reducing Blue Edge Effects - Display backlight structures may provide backlight illumination that passes through display layers in the display. Light-emitting diodes may emit blue light into an edge of a light guide plate. Optical films may overlap the light guide plate. The optical films may include a quantum dot enhancement film. A peripheral strip of yellow reflector or other light control structures may be incorporated into the backlight structures to reduce blue edge effects. The light control structures may have features with a spatially varying density, may be formed from quantum dot enhancement film, or may be formed form other structures. The light control structures may be formed on the surfaces of the optical films, on a reflective layer under the light guide plate, or on a surface of a mold frame or other structure that lies in a plane parallel to the plane of the light guide plate. | 12-10-2015 |
20150362663 | BLACK LIGHT MODULE WITH MOUNT AND DISPLAYING APPARATUS THEREWITH - A displaying apparatus includes a back light module and a panel module. The back light module is joined with the panel module and includes a mount, a light bar, a light guiding plate, and an optical film sheet. The mount includes a limiting structure and a holding structure. The light bar is fixed on the mount. The light guiding plate is disposed adjacent to the mount. The limiting structure constrains a stop structure so that a light incident side surface of the light guiding plate and the light bar remain separated at a predetermined interval. The optical film sheet includes a holding structure and is disposed above alight emitting surface of the light guiding plate. The two holding structures are engaged. Thereby, the mount performs limitation to both of the light guiding plate and the optical film sheet. | 12-17-2015 |
20150362667 | LED Assembly for Transparent Liquid Crystal Display - A transparent liquid crystal display (LCD) assembly is disclosed. The assembly has an LCD panel and a light guide placed behind the LCD panel. The light guide ideally contains a front and rear surface. The assembly preferably has a front bracket that contacts the front surface of the light guide and a rear bracket that contacts the rear surface of the light guide. While the light guide is constrained from movement towards or away from the LCD panel by the front and rear brackets, the light guide is generally permitted to move parallel to the LCD panel. | 12-17-2015 |
20150362768 | Sealed Transparent Liquid Crystal Display Assembly - A sealed, transparent liquid crystal display (LCD) assembly is disclosed. The assembly preferably contains a front and a rear glass panel. The assembly also preferably has a spacer element that is positioned around a perimeter of, and sandwiched between, the front and rear glass panels, thereby providing a gaseous seal. The LCD panel is positioned between the front and rear glass panels. In an exemplary embodiment, a two way light guide would be used within the assembly. | 12-17-2015 |
20150362792 | Cooling System for Liquid Crystal Display - The exemplary embodiments herein provide a transparent liquid crystal display (LCD) assembly having a glass panel with an LCD panel placed in front of the glass panel. A light guide may be positioned between the LCD panel and the glass panel and the light guide may have an edge. A substrate containing a plurality of LEDs is preferably positioned adjacent to the edge of the light guide and a thermal plate is preferably attached to both the substrate and the glass panel. The thermal plate may contain two portions which are substantially perpendicular to each other, where one of the portions is substantially parallel to the glass panel. In some embodiments, the LCD may be sandwiched in between a pair of glass panels, held opposite one another by a spacer. | 12-17-2015 |
20150369989 | BACKLIGHT MODULE AND DISPLAY DEVICE - The disclosure provides a backlight module and a display device with a backlight module. The backlight module includes an emitting element, phosphors, and a quantum dot film. The emitting element is configured to provide lights with a first primary color. The phosphors have a second primary color. The quantum dot film includes numbers of quantum dots configured to provide emission spectrum with a third primary color. The light from the emitting element excites the phosphors and the quantum dot film to generate white mixed light. The first primary color is blue, and the maximum peak intensity the light from the emitting element is in the range from 460 nm to 475 nm. | 12-24-2015 |
20150370001 | BIREFRINGENT POLYARAMIDE COATED LIGHT GUIDE - A light guide includes a birefringent polyaramide layer on a major surface of the light guide. The birefringent polyaramide layer has a refractive index greater than 1.55 and a birefringence of at least 0.1. | 12-24-2015 |
20150370013 | DISPLAY DEVICE - A display device includes a display panel. A light-guide film is attached to a light-incident surface of the display panel. The light-guide film includes a light reflecting layer, a light exiting layer between the light reflecting layer and the display panel, and waveguide parts situated between the light reflecting layer and the light exiting layer. The light exiting layer has exit openings at positions facing each waveguide part, with each exit opening also facing a sub-pixel unit in the display panel. The display device also includes a light source. An end of each waveguide part is in communication with the light source. The light-guide film replaces a conventional backlight unit such that a thinner design for the display device is possible. | 12-24-2015 |
20150378188 | CURVED SURFACE BACKLIGHT UNIT AND CURVED SURFACE DISPLAY DEVICE INCLUDING THE SAME - A curved surface backlight unit is disclosed which includes: a light source; a curved surface light guide plate disposed parallel to the light source; first patterns on one surface of the light guide plate; a reflection plate disposed under the light guide plate; optical sheets disposed on the light guide plate; and second patterns formed on one surface of at least one of the optical sheets. | 12-31-2015 |
20150378207 | DISPLAY DEVICE - A display device is disclosed which includes: a liquid crystal panel; an optical member configured to apply light to the liquid crystal panel; and a wrapping film configured to wrap an upper surface, at least one side surface and at least a part of a lower surface of the optical member. | 12-31-2015 |
20160004005 | AREA LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE - An area light source apparatus includes a first light source and a second light source. Each of the first light source and the second light source is a three-wavelength light-emitting diode. The first light source includes first spectral characteristics including a first peak value at a blue peak wavelength, a second peak value at a green peak wavelength, and a third peak value at a red peak wavelength. The second light source includes second spectral characteristics including a fourth peak value at a blue peak wavelength, a fifth peak value at a green peak wavelength, and a sixth peak value at a red peak wavelength. The second peak value is substantially equal to the fifth peak value, and the third peak value is substantially equal to the sixth peak value. | 01-07-2016 |
20160004007 | Snap-Fit for Fixing Optical Film, and Backlight Module and Liquid Crystal Display With the Same - A snap-fit for fixing optical films is disclosed. The optical film includes at least one ear hook arranged above a border of a plastic frame. The plastic frame is assembled with a back frame so as to fix a light guiding plate within the back frame. The snap-fit includes a press portion and a connection portion extending from a first side of the press portion. The connection portion and the press portion cooperatively form an angle with a predetermined degree. The press portion presses the ear hook of the optical films on the border of the plastic frame. The connection portion clasps with the hook of the sidewall. By adopting the snap-fit, not only the narrow bezel design can be achieved, but also the optical film can be stably fixed. A backlight module with the above snap-fit and the liquid crystal display are also disclosed. | 01-07-2016 |
20160011442 | BIDIRECTIONAL DISPLAY DEVICE | 01-14-2016 |
20160026031 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is an LCD device with reduced thickness and bezel width. The LCD device includes a liquid crystal display panel configured to include an upper substrate and a lower substrate that are facing-coupled to each other, a backlight unit configured to include a light guide plate which irradiates light incident from a light source module on the liquid crystal display panel and an optical sheet disposed on the light guide plate, and a coupling member configured to couple the liquid crystal display panel to the light guide plate with the optical sheet therebetween such that a sealed space is provided between the liquid crystal display panel and the light guide plate. | 01-28-2016 |
20160026040 | STRUCTURE OF HIGH COLOR GAMUT LIQUID CRYSTAL DISPLAY MODULE - The present invention provides a structure of a high color gamut liquid crystal display module, which includes a backlight module ( | 01-28-2016 |
20160033715 | LIGHT EMITTING DEVICE PACKAGE AND DISPLAY DEVICE INCLUDING THE SAME - Disclosed herein is a light emitting device package including a light emitting device configured to generate a first light; a body configured to accommodate the light emitting device and comprising a cavity in the body; an optical member configured to divide the cavity into a plurality of cavities including a first cavity and a second cavity; and first phosphor and second phosphor different from the first phosphor accommodated in the first and the second cavities, respectively. | 02-04-2016 |
20160054503 | Backlight Module and Liquid Crystal Display Device - The present invention discloses a backlight module, comprising: a light guide plate, which comprises at least one light incident side; a light source, which is provided adjacent to the light incident side; and at least one quantum dot film strip, which is provided between the light source and the light incident side; wherein, the light emitted from the light source is irradiated to the light incident side through the quantum dot film strip. The present invention further discloses a liquid crystal display device having the backlight module. | 02-25-2016 |
20160054507 | LIGHTING DEVICE AND DISPLAY DEVICE - A backlight unit includes LEDs, a light guide plate, a lenticular lens portion, a first prism sheet, and a second prism sheet. The lenticular lens portion includes cylindrical lenses that extend along a first direction and arranged parallel to one another along a second direction. The first prism sheet is disposed on a front side of the lenticular lens portion and includes first unit prisms arranged parallel to one another along the second direction and each extending along the first direction and having a triangular cross section. The second prism sheet is disposed between the lenticular lens portion and the first prism sheet. The second prism sheet includes second unit prisms arranged parallel to one another along the second direction and each extending along the first direction, having a triangular cross section, and having a vertex angle larger than a vertex angle of each first unit prism. | 02-25-2016 |
20160054508 | LIGHTING DEVICE AND DISPLAY DEVICE - A backlight unit includes LEDs, a light guide plate, a reflection sheet, a prism sheet, and an anisotropic reflection portion. The light guide plate includes a light entrance surface opposed to the LEDs and light exit surface. The reflection sheet includes a reflection surface opposed to an opposite plate surface of the light guide plate opposite from the light exit surface. The prism sheet is formed on a side of the light guide plate opposite from a side on which the reflection sheet is disposed. The prism sheet includes unit prisms that extend along a first direction and are arranged parallel to one another along a second direction. The anisotropic reflection portion includes unit reflectors disposed on the reflection surface of the reflection sheet. The unit reflectors extend along the first direction and are arranged parallel to one another along the second direction. | 02-25-2016 |
20160062024 | LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A liquid crystal display device, includes a display panel; a light guide plate to transfer light to the display panel; and a light source module on a side surface of the light guide plate to supply light to the light guide plate, the light source module including a light source to generate light; and a quantum dot unit between the light source and the light guide plate, the quantum dot unit extending along the side surface of the light guide plate and including a tube member filled with a resin including quantum dots, the tube member including a sealing part. | 03-03-2016 |
20160062026 | BACKLIGHT FOR LIQUID CRYSTAL DISPLALY DEVICE HAVING A REFLECTOR BEING COATED WITH A GRADATION COLOR LAYER COMPOSED BY YELLOW - A backlight module includes a light source, a waveguide, a reflector, and an optical film. The waveguide includes a light inlet surface facing the light source, a light emitting surface adjacent to the light inlet surface, and a bottom surface opposite to the light emitting surface. The reflector is disposed under the bottom surface of the waveguide. The optical film is disposed above the light emitting surface of the waveguide. The reflector is coated with a gradation color layer composed by yellow graduating to blue so as to ensure projection of light from the light source is homogeneous with reduced chromatic aberration. | 03-03-2016 |
20160062034 | DISPLAY DEVICE - A liquid crystal display device | 03-03-2016 |
20160070055 | LIGHT BAR COMPONENT, BACKLIGHT MODULE AND LCD DEVICE - A light bar component is disclosed. The light bar component comprises two or more than two light bars. Each of the light bars comprises a light source print circuit board and a plurality of light sources assembled on the light source print circuit board; a flexible print circuit board comprising a main body portion of the flexible print circuit board and a lead-out portion of a gold finger, wherein the main body portion of the flexible print circuit board connects with the light source print circuit board of all of the light bars. The lead-out portion of the golden finger connects with the power source which provides the driving voltage for the flexible print circuit board. The light bar component and the backlight module using the light bar component can reduce the use amount of the wire harness. Moreover, the flexible print circuit board directly combines with the light source print circuit board by the hot pressing technology. The electric connector is not used anymore. The present invention reduces the technical difficulty of the product assembly, enhances the product yield and saves the assembly time and the cost. | 03-10-2016 |
20160070056 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight module comprises a back plate; a side-type light source; a light guide plate disposed on the back plate; and a quantum bar assembled between the light guide and the light source via a fixing bracket. The fixing bracket is a hollow cylinder, and comprises an accommodating space exits in the fixing bracket for installing the quantum bar and the first window faced toward the light guide plate and the second window faced toward the side-type light source and the length of the second window is equal to one of the light strip. A support beam is disposed on the light strip and between the two light sources, and the length of the support beam is less than or same as width of the second window, and height of the support beam is not less than height of the light source, and the light strip is assembled in the second window. | 03-10-2016 |
20160077270 | LIGHTING DEVICE AND DISPLAY DEVICE - A backlight device includes LEDs, a light guide plate, an LED board, and a light blocking portion. The light guide plate includes a side surface configured as a light entrance surface through which light from the LEDs enters and a plate surface configured as a light exit surface through which light exits the light guide plate. The LED board on which the LEDs are mounted and at least a portion of which is a light guide plate overlapping portion is on a light exit surface side. The light guide plate overlapping portion overlaps a light entering edge portion that is an edge portion of the light guide plate close to the light entrance surface. The light blocking portion is at the light guide plate overlapping portion of the LED board and between the light guide plate overlapping portion and the light entering edge portion of the light guide plate. | 03-17-2016 |
20160077271 | LIGHT GENERATION MEMBER INCLUDING LIGHT DIFFUSION MEMBER AND DISPLAY APPARATUS HAVING THE SAME - A light generation member includes a light source which includes light source units which generate a first light, a light conversion member which converts the first light to a second light, and a light diffusion member which is elongated in a first direction, in which is defined first grooves respectively corresponding to the light source units, the light diffusion member diffusing the first light generated by the light source unites and providing the diffused first light to the light conversion member. The light diffusion member is between the light conversion member and the light source in a second direction crossing the first direction, and the first grooves defined in the light diffusion member are each elongated in a third direction substantially perpendicular to the first and second directions. | 03-17-2016 |
20160087164 | LIGHT EMITTING DEVICE - A light emitting device includes a light emitting element adapted to emit blue light, quantum dots that absorb part of the blue light emitted from the light emitting element to emit green light, and at least one of a KSF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light. | 03-24-2016 |
20160087175 | LIGHT EMITTING DIODE PACKAGE AND LIGHT SOURCE MODULE AND BACKLIGHT UNIT USING THE SAME - Disclosed is a light emitting diode (LED) package, which can be used for, for example, a light source module, a backlight unit and a display device, that may, for example, include an LED chip in a body portion of the LED package; first and second lead frames separated from each other in the body portion, each of the first and second lead frames including first and second leads that are electrically connected to the LED chip and are used as one of anode and cathode leads; and first and second dummy lead frames separated from each other in the body portion and electrically insulated from the first and second lead frames. | 03-24-2016 |
20160091642 | DISPLAY DEVICE - According to one embodiment, a first substrate includes first to fourth pixel electrodes. A color filter layer includes a red filter opposed to the first pixel electrode, a green filter opposed to the second pixel electrode, a first blue filter opposed to the third pixel electrode and having a peak of transmittance at a wavelength shorter than 460 nm, and a second blue filter opposed to the fourth pixel electrode and having a peak of transmittance at a wavelength longer than 960 nm. | 03-31-2016 |
20160091651 | BACKLIGHT MODULE AND DISPLAY HAVING THE SAME - A backlight module including a back plate, a light guide plate, a light-penetration layer, and a light source is provided. The light guide plate is disposed on the back plate and has a light incident surface and a light-emitting surface. The light-penetration layer is disposed on the light incident surface and adapted to absorb a light in a wavelength range. The light source is disposed on the back plate and faces the light incident surface, wherein the light source is adapted to provide a light. After the light passes through the light-penetration layer, the light enters the light guide plate from the light incident surface and is emitted from the light-emitting surface. In addition, a display having the backlight module is also provided. | 03-31-2016 |
20160091654 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus is provided. The liquid crystal display apparatus according to an exemplary embodiment of the present disclosure includes: a backlight; a liquid crystal display panel; and a light collecting layer. The liquid crystal display panel includes a first scan line and a second scan line crossing the first scan line. The light collecting layer is configured to collect lights from the backlight and guide the lights toward the liquid crystal display panel. Further, the light collecting layer includes: a first light collecting sheet having a plurality of light collecting structures extended in a first direction; and a second light collecting sheet disposed on the first light collecting sheet and having a plurality of light collecting structures extended in a second direction orthogonal to the first direction. Herein, the first direction is inclined with respect to an extension direction of the scan line. | 03-31-2016 |
20160091751 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device, which includes a liquid crystal panel ( | 03-31-2016 |
20160091755 | Optical Assembly for Transparent LCD Display Case - The exemplary embodiments herein provide a transparent LCD assembly having a liquid crystal cell with a front and rear polarizer. A light guide is preferably placed behind the LC cell and contains a plurality of LED positioned along an edge of the light guide. An additional polarizer may be placed behind the light guide and preferably bonded to the rear surface of the light guide. A front and rear glass may be used to surround the internal components. The additional polarizer can also be placed on the front or rear surfaces of the rear glass. | 03-31-2016 |
20160097495 | LIGHT EMITTING DEVICE - A light emitting device includes a light emitting element adapted to emit a blue light, a sealing resin covering the light emitting element, and a sulfide phosphor-containing layer disposed at an outer side of a sealing resin. The sealing resin contains at least one of a KSF phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit red light. The sulfide phosphor-containing layer includes a sulfide phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb a portion of the blue light emitted from the light emitting element to emit green light. | 04-07-2016 |
20160097893 | TRANSPARENT DISPLAY APPARATUS - Disclosed herein is a transparent display apparatus in which a plurality of micro-patterns are formed on a reflection surface of a transparent light guide plate. The transparent display apparatus includes a light source configured to generate light, a transparent light guide plate configured to change a path of the generated light, and to emit the light, a first polarizing plate configured to transmit first polarized light of light emitted from the transparent light guide plate, a liquid crystal panel configured to change a phase of the first polarized light according to driving of liquid crystals; and a second polarizing plate configured to adjust an amount of the first polarized light according to the changed phase of the first polarized light, wherein the transparent light guide plate includes an incident surface to which the light is incident, an exit surface which the incident light exits, a reflection surface being opposite to the exit surface, and a plurality of micro-patterns formed on the reflection surface, and configured to diffuse the incident light. | 04-07-2016 |
20160103264 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - A light guide plate receives light and guides the light to a display panel. The light guide plate includes a body and protruding portions. The body includes a first side surface disposed adjacent to the light source, a second side surface facing the first side surface, and an upper surface. Protruding portions are protruded from the upper surface. Each of the protruding portions includes first and second protruding portions sequentially arranged from the first side surface to the second side surface. A width of the first protruding portion in a direction substantially parallel to the first side surface becomes smaller as a distance from the first side surface becomes larger, and a width of the second protruding portion in the direction substantially parallel to the first side surface becomes larger as the distance from the first side surface becomes larger. | 04-14-2016 |
20160103275 | LED Assembly for Transparent Liquid Crystal Display and Static Graphic - The exemplary embodiments disclosed herein provide a transparent LCD which is placed between a front glass and a rear glass. A light guide is preferably positioned behind the LCD and contains an edge. A plurality of LEDs are positioned adjacent to the edge and a cavity is positioned on the opposite side of the LEDs as the light guide. Generally, light which is exiting the LEDs is permitted to enter both the light guide as well as the cavity. A graphic may be placed in front of the cavity and could be bonded to the front glass. | 04-14-2016 |
20160103276 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention includes a liquid crystal panel, a light guide member, at least one laser diode (LD), and a heat sink. The light guide member is arranged on a back surface of the liquid crystal panel. The LD is arranged on at least one side surface of the light guide member. The heat sink is arranged to extend along a back surface of the light guide member and the side surface of the light guide member integrally and at least partially. The heat sink is arranged such that a part of the heat sink corresponding to the side surface of the light guide member houses at least a light-emitting surface of the LD. | 04-14-2016 |
20160109635 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A backlight unit including a light guide plate (LGP), a light source module disposed adjacent to an incident surface of the LGP and configured to irradiate light to the incident surface, and a light control member disposed between the light source module and the incident surface, in which the light control member includes a reflection preventing layer disposed adjacent to the light source module and configured to prevent reflection of light, a base substrate disposed on the reflection preventing layer and configured to scatter or diffuse light transmitted through the reflection preventing layer, and a light adjusting filter disposed on the base substrate and configured to filter light including a first wavelength among light provided by the light source module. | 04-21-2016 |
20160109637 | Light Source Device and Display Apparatus - Provided are a light source device which may disperse a force shifted in a plane direction due to a difference in thermal expansion by a reflection sheet so as to maintain good display quality, and a display apparatus using the light source device. The light source device includes a transparent plate used as a light guide plate, a light source disposed to face a part of a peripheral surface of the transparent plate along the part thereof, and a reflection sheet attached to one wide surface of the transparent plate, and the reflection sheet is provided with a plurality of cut lines formed in a prescribed range including a center thereof at a prescribed interval. Thereby, even if the transparent plate and the reflection sheet are thermally expanded in relation to the different expansion coefficients from each other, it is possible to prevent the reflection sheet from being peeled off from the transparent plate. | 04-21-2016 |
20160109639 | LIGHT GUIDE PLATE AND SURFACE ILLUMINATION DEVICE - A light guide plate has a light input end surface from which light is introduced, a light output surface that outputs light spread in a planar manner externally, a flat main light guiding body including the light output surface, a light conducting portion that has a maximum thickness greater than the thickness of the main light guiding body and includes the light input end surface, a first slanted surface provided on the light conducting portion on at least one of a surface near the light output surface and a surface opposite thereto, the first slanted surface inclined from a first location that is thicker than the main light guiding body toward the outer surface of the main light guiding body, and a plurality of first pattern elements provided on the light conducting portion on at least one of a surface near the light output surface and a surface opposite thereto. | 04-21-2016 |
20160109649 | DISPLAY DEVICE AND METHOD FOR DETECTING BACKLIGHT LIGHT FROM SAME - A liquid crystal display device includes a liquid crystal panel, a light-guiding plate, a light source, and an optical sensor. The light source is attached to an end face of a bottom of the light-guiding plate so as to emit light, which is guided into the light-guiding plate so as to illuminate the liquid crystal panel. The optical sensor having a photo-acceptance part is attached to a rear face of a chassis so as to partially detect light. A panel opening is formed by attaching a gobo to an opening formed in the chassis at a side end of the light-guiding plate, thus regulating the range of light received with the photo-acceptance part of the optical sensor. Thus, it is possible to precisely detect the intensity of light by use of the panel opening which eliminates high-intensity light reflected by an edge-reflection sheet of the light-guiding plate. | 04-21-2016 |
20160116667 | LIQUID CRYSTAL DISPLAY DEVICE - This invention reduces or prevents a phenomenon where a screen close to a light source becomes yellowed. A liquid crystal display device includes a liquid crystal display panel and a backlight. The backlight includes a light guide plate | 04-28-2016 |
20160116669 | PLANAR ILLUMINATION DEVICE, LIQUID CRYSTAL DISPLAY APPARATUS, AND METHOD OF ASSEMBLING THE SAME - A planar illumination device includes: a light guide plate including a pair of principal surfaces opposed to each other, one of the principal surfaces serving as a light emitting surface; a light source disposed to face a light incident surface of the light guide plate; an optical sheet disposed on the light emitting surface of the light guide plate; and a frame that houses therein the light guide plate. The frame includes a bottom portion formed of a sheet metal and a pair of resin portions facing the light incident surface of the light guide plate and an end face of the light guide plate opposite to the light incident surface, respectively. | 04-28-2016 |
20160131826 | LIGHTING DEVICE, DISPLAY DEVICE, AND TELEVISION DEVICE - A backlight device includes LEDs, a light guide plate, and a heat dissipation member. The light guide plate includes edge surfaces including a light entrance surface through which light from the LEDs enters, a front plate surface as a light exit surface through which the light from the LEDs exits, and another plate surface as an opposed surface on an opposite side from the light exit surface. The heat dissipation member having heat dissipating properties includes a bottom plate portion extending along the opposed surface on an opposed surface side, and an upstanding portion extending from the bottom plate portion toward the light exit surface. The bottom plate portion includes projections projecting toward the light exit surface and facing short-side edge surfaces of the light guide plate. The projections are stopped at the corresponding edge surfaces to restrict a distance between the LEDs and the light entrance surface. | 05-12-2016 |
20160131917 | INTEGRATED IMAGING DISPLAY APPARATUS AND BACKLIGHT MODULE THEREOF - The present invention provides an integrated imaging display apparatus and backlight module thereof. The integrated imaging display apparatus comprises a switchable backlight module and a liquid crystal display panel, wherein the switchable backlight module is switched at least between a first operation mode and a second operation mode, with the first operation mode being a dot matrix backlight formed by a dot light source matrix so that 3D display could be performed by the integrated imaging display apparatus, and the second operation mode being a surface backlight so that 2D display could be performed by the integrated imaging display apparatus. Through the solution mentioned above, the 2D/3D display switching can be accomplished by switching the operation modes of the backlight module in the present invention. | 05-12-2016 |
20160139319 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention discloses a backlight module, which includes: a backplane, which has a sidewall; a light guide plate, which is carried on the backplane and includes a light incidence end section, a light exit surface, and a bottom surface opposite to the light exit surface; a light source, which is mounted on the sidewall and adjacent to the light incidence end section; an intermediate frame, which is set on and covers the light guide plate and the light source; a first retention slot, which is formed in the light incidence end section and has an opening facing the intermediate frame; a second retention slot, which is formed in the light incidence end section and close to the first retention slot and has an opening facing the backplane; a first quantum dot strip, which is received in the first retention slot; and a second quantum dot strip, which is received in the second retention slot. The present invention also discloses a liquid crystal display device. The present invention provides an arrangement including quantum dot strips arranged in the light incidence end section in a top-down staggering manner, where the manner of fixing is simple and light emitting from the light source is prevented from directly entering the light guide plate so as to improve the taste of the color of the backlighting. | 05-19-2016 |
20160139400 | DISPLAY APPARATUS - A display apparatus includes a display panel including a display device; and a light transmission control panel disposed to face one side of the display panel and configured to control a transmission amount of visible rays incident from the outside or visible rays generated from the display panel. The light transmission control panel includes a base member; a first electrode disposed on the base member; a second electrode disposed to face the first electrode; a polar fluid disposed between the first electrode and the second electrode, having a hydrophobic or hydrophilic surface characteristic, and having an electric polarity; and a blocking member disposed between the polar fluid and the first electrode, having an opposite surface characteristic to a surface characteristic of the polar fluid, and including a fluid configured to block at least some of the visible rays. | 05-19-2016 |
20160147005 | Lighting Device and Liquid Crystal Display Apparatus - Provided is a lighting device and a liquid crystal display apparatus that can reduce a loss of light. | 05-26-2016 |
20160154169 | LIGHT GUIDE PLATE, BACKLIGHT MODULE, AND DISPLAY DEVICE | 06-02-2016 |
20160154172 | LIGHTING DEVICE AND DISPLAY DEVICE | 06-02-2016 |
20160161658 | Backlight Module and LCD Device - The present invention proposes an LCD device having a backlight module. The backlight module includes a light guide plate, a first light source unit set up in a corner of a first light-in side of the light guide plate, and a second light source unit set up in a corner of a second light-in side of the light guide plate. The first light-in side is set up in opposition to the second light-in side, and the corner of the second light-in side is in diagonal to the corner of the first light-in side. The present invention provides a backlight module and an LCD device in which light enters the light guide plate in a corner. The entering light mix uniformly in the LGP without dark area, and the number of LED along with expense and energy consumption are reduced compared to that of a single short light-in side backlight module. | 06-09-2016 |
20160161798 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a first substrate partitioned into a first region which displays an image and a second region through which external light passes, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first polarizer on one side of the first substrate, and a second polarizer on one side of the second substrate, wherein at least one of the first polarizer and the second polarizer includes an opening positioned in the second region. | 06-09-2016 |
20160170126 | Light Source Device, Lighting Device and Liquid Crystal Display Device | 06-16-2016 |
20160170130 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME | 06-16-2016 |
20160170131 | NVIS COMPATIBLE BACKLIGHT DEVICE AND LCD USING THE SAME | 06-16-2016 |
20160170134 | Backlight Module and Liquid Crystal Display | 06-16-2016 |
20160178830 | Display Backlight with Patterned Backlight Extraction Ridges | 06-23-2016 |
20160187558 | FLEXIBLE PRINTED CIRCUIT BOARD, BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - Disclosed is a liquid crystal display device (LCD) that may include a flexible printed circuit board of which electrodes arranged at one side and the other side are connected to each other through a contact hole, and a back light unit that uses a guide panel of which a lateral side end is opened. | 06-30-2016 |
20160187567 | BACKLIGHT MODULE AND DISPLAY DEVICE - A backlight module includes a mold frame, a light guide plate, a light bar light source, and an optic film. The light guide plate, the light source, and the optic film are disposed in the mold frame. The light source is arranged between the light guide plate and the mold frame. The optic film and the light guide plate are stacked on each other. The backlight module includes a heat dissipation frame that includes first, second, and third heat dissipation walls. The third heat dissipation wall is opposite to the first heat dissipation wall and the second heat dissipation wall is connected to the first and third heat dissipation walls. An end of the mold frame at which the light source is arranged is received between the first and third heat dissipation walls and the mold frame is in tight engagement with the second heat dissipation wall. | 06-30-2016 |
20160187571 | DISPLAY MODULE AND MOBILE TERMINAL - The disclosure provides a display module and a mobile terminal, and the display module includes a liquid crystal panel and a backlight module, wherein the backlight module includes: a light guiding plate including a light incidence surface and a light exit surface, wherein protruding ridges which are light transmitting members are arranged at edges of the light exit surface; a set of optical sheets arranged on the light exit surface of the light guiding plate and engaged between the protruding ridges; and a light source arranged opposite to the light incidence surface, wherein the liquid crystal panel is arranged on the side of the set of optical sheets away from the light exit surface, and the liquid crystal panel is arranged to cover the surfaces of the protruding ridges. | 06-30-2016 |
20160187699 | LIQUID CRYSTAL DISPLAY MODULE AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - A liquid crystal display module includes first and second polarizing plates, and a liquid crystal panel between the polarizing plates. The second polarizing plate comprises an optical film on a polarizer. The optical film comprises a high refractive index pattern layer having at least one engraved pattern, and a low refractive index pattern layer having a filling pattern that fills at least a portion of the engraved pattern. A difference in refractive index between the high refractive index pattern layer and the low refractive index pattern layer may be about 0.1 to about 0.2. The optical film may be disposed such that light emitted from the liquid crystal panel will enter the low refractive index pattern layer and then be emitted through the high refractive index pattern layer. | 06-30-2016 |
20160187724 | IMAGE DISPLAY DEVICE - In a see-through image display device, a first reflective polarizing plate and a second reflective polarizing plate are arranged with a light guiding plate positioned therebetween. Therefore, p-polarized light emitted by the light guiding plate toward the display screen side is reutilized by the first reflective polarizing plate causing the light to return to the light guiding plate, and further, p-polarized light emitted toward the back side is reutilized as well by the second reflective polarizing plate causing the light to return to the light guiding plate. In this manner, the light emitted by the light guiding plate toward the back side is also reused. | 06-30-2016 |
20160195665 | BACKLIGHT MODULE AND DISPLAY DEVICE | 07-07-2016 |
20160377786 | LIQUID CRYSTAL DISPLAY DEVICE INCLUDING BOUNDARY FLUORESCENT BODY - A liquid crystal display device including a backlight unit and a fluorescent film, and a boundary fluorescent body is described. | 12-29-2016 |
20160377788 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A backlight module includes a light guiding plate with a light incident lateral surface. Pluralities of V-shaped grooves are disposed on the light incident lateral surface, the grooves are disposed along the light incident lateral surface in a direction of width of the light guiding plate with equal interval, and light emitting modules are disposed respectively on the opposite position of the slopes of the grooves correspondingly. The present invention further provides a liquid crystal display device equipped with the backlight module. The backlight module and the liquid crystal display device equipped with the backlight module can improve the brightness of the backlight module efficiently. | 12-29-2016 |
20160377799 | CIRCUIT DEVICE OF EMITTING HEAT AND BACKLIGHT UNIT COMPRISING THEREOF - There are provided a circuit device for emitting heat to the outside and a backlight unit including the same. The present invention relates to a display device, a backlight unit connected to a display panel, or a constituent element thereof. The circuit device generates heat, and one or more heat emitting units for emitting heat generated from the light source of the backlight unit to the outside are added to the circuit device, and the backlight unit controlled by the aforementioned circuit device is provided. Each of the heat emitting units according to one embodiment of the present invention includes two or more different material layers to fix the circuit device and provide a heat emitting/directing function. | 12-29-2016 |
20160380170 | WHITE LED, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A white LED, which includes a substrate, at least one monochromatic LED chip disposed on the substrate, a reflector cup disposed on the substrate and surrounding the monochromatic LED chip, an encapsulating colloid filled in the reflector cup to seal the monochromatic LED chip, and a first quantum dot structure and a second quantum dot structure sealed in the encapsulating colloid, and light generated by the monochromatic LED chip, light generated by exciting the first quantum dot structure and light generated by exciting the second quantum dot structure are mixed to form a white light. A backlight module having the white LED and a liquid crystal display device having the backlight module is also disclosed. | 12-29-2016 |
20160381317 | DISPLAY DEVICE AND TELEVISION RECEIVING DEVICE - A liquid crystal display device includes: a chassis having a bottom plate; a liquid crystal panel; source-side flexible substrates bent such that one end side thereof is connected to the liquid crystal panel and another end side thereof reaches a rear surface side of the bottom plate; a source substrate connected to the other end side of the source-side flexible substrates and disposed on the rear surface side of the bottom plate; a light guide plate, an end face thereof that faces toward the source-side flexible substrates being a first light-receiving face, and another end face thereof being a second light-receiving face; first LEDs that are of a top-emitting type and that are disposed so as to face the first light-receiving face; second LEDs that are of a side-emitting type and are disposed so as to face the second light-receiving face; a metal first LED substrate, the first LEDs being disposed on a surface thereof; and a second LED substrate, the second LEDs being disposed on a surface thereof. | 12-29-2016 |
20190146147 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME | 05-16-2019 |