| Entries |
| Document | Title | Date |
|---|
| 20080219025 | Bi-directional backlight assembly - A backlight assembly emits light out of two light emitting faces using a light source such as side-emitting LEDs that send light into an optical guide or body of optical material that diffuses the light uniformly and emits bi-facially. In this way, two displays, such as LCDs, can be illuminated at the same time and the efficiency is increased. The backlight assembly can be incorporated into an eyewear system such as a binocular display system. | 09-11-2008 |
| 20080239749 | LUMINAIRE HAVING A TWO-WAY WAVEGUIDE - A luminaire includes a waveguide having first and second opposing ends and first and second opposing sides between the first and second ends. The waveguide is configured to totally internally reflect light propagating through the waveguide in a first direction and direct light propagating through the waveguide in a second direction through at least one of the first and second sides. A reflective body is coupled to the second end of the waveguide and configured to reflect light propagating towards the second end of the waveguide such that the light propagates towards the first end of the waveguide. | 10-02-2008 |
| 20080239750 | LED LAMP ASSEMBLY - An exemplary LED lamp includes a housing, a printed circuit board, at least one LED, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED electrically connects with the printed circuit board. The light reflective module includes at least one light-shielding sheet and a bottom reflective plate disposed between the printed circuit board and the light-shielding sheet. The bottom reflective plate defines at least one through hole. The LED passes through the at least one through hole correspondingly. Each light-shielding sheet defines a plurality of light holes and covers the LED correspondingly. The lamp cover is fixed on the opening of the housing. The LED lamp has a uniformity brightness. | 10-02-2008 |
| 20080259640 | LIGHT EMITTING PANEL ASSEMBLIES - Edge lit light emitting assembly includes a panel member having a light input surface at one end of a greater width than thickness and an array of LEDs positioned in close proximity to the light input surface that emit light out of the side of the LEDs closest to the light input surface. At least one reflector around one or more of the LEDs collects light emitted by the LEDs and is shaped to reflect and focus the light at an acceptable angle for entering the light input surface, the focused light being shaped to have a greater cross-sectional width than height corresponding to the width and thickness of the light input surface. | 10-23-2008 |
| 20080266899 | LIGHT EMITTING PANEL ASSEMBLIES - Light emitting panel assembly includes an optically conductive panel member having at least one input surface and a greater cross-sectional width than thickness, and at least one light transition emitter having a light emitting surface in close proximity to the light input surface. The light emitting surface has an output distribution defined by a greater width component than height component, a thickness equal to or less than the thickness of the panel member and a greater width than thickness in the width direction of the panel member. A reflector extends around the light source and is shaped to reflect and focus the light emitted from the light source at an acceptable angle for entering the light source. | 10-30-2008 |
| 20080266900 | Backlight Using LED Parallel to Light Guide Surface - Various embodiments of corner-coupled backlights are described, where one or more white light LEDs are optically coupled to a truncated corner edge of a solid rectangular light guide backlight. The one or more LEDs are mounted in a small reflective cavity, whose output opening is coupled to the truncated corner of the light guide. The reflective cavity provides a more uniform light distribution at a wide variety of angles to the face of the truncated corner to better distribute light throughout the entire light guide volume. To enable a thinner light guide, the LED die is positioned in the reflective cavity so that the major light emitting surface of the LED is parallel to the top surface of the light guide. The reflective cavity reflects the upward LED light toward the edge of the light guide. | 10-30-2008 |
| 20080273349 | LIGHT SOURCE APPARATUS AND LIGHT REFLECTION DEVICE THEREOF - A light source apparatus including a light emitting module and a reflection microstructure layer is provided. The light emitting module emits a light. The reflection microstructure layer is disposed at the base of the light source apparatus and reflects an incident light emitted by the light emitting module in substantially a same direction. | 11-06-2008 |
| 20080291693 | STRUCTURE OF PLANAR ILLUMINATOR - A structure of a backlight module, which includes: a light source frame, including: a top plate having a plurality of slits; a bottom plate arranged apart from the top plate; and at least two edge plates arranged oppositely, wherein each of the edge plates has a top end and a bottom end, and both of the bottom ends are separately connected with the bottom plate; wherein the inner surfaces of the top plate, the bottom plate and the edge plates form a reflective cavity; and at least one light source arranged in the reflective cavity. There are several advantages of the backlight module according to the present invention, which includes: 1. the required uniformity and brightness of the backlight module are achieved; 2. its weight is largely reduced; and 3. it can be tiled up to form a large-area backlight module for a large size display. | 11-27-2008 |
| 20090010025 | Light source device, display apparatus, and optical member - An optical member is disposed between an optical sheet and a pair of middle chassis and top chassis that securely support an edge of an liquid crystal panel and an edge of the optical sheet. The optical member reflects light emitted from light-emitting diodes at high reflectivity so that an amount of light loss through the edge of the optical sheet is reduced. This allows for higher light utilization efficiency, thereby enhancing the brightness. | 01-08-2009 |
| 20090010026 | Radiating element for light panels and light panel manufactured using said radiating element - A radiating element for light panels includes a face providing a light radiation-emitting surface, a light source for sideward light generation and an element for reflecting and/or scattering the incident light. In one embodiment, the radiating element includes a half-shell shaped plate with a polygonal or round plan shape. A concave reflection and/or scattering side of the half shell faces the emitting surface and a central area opposite thereto defines an opening for receiving a light source, such that the light radiation emitted from the emitting head in a sideward direction is reflected and/or scattered in a predetermined percentage in a direction incident upon a light-emitting surface oriented transversally, preferably perpendicularly, to the central axis of symmetry of the reflection and/or scattering element. A light panel may be manufactured using one or a plurality of such radiating elements, which may arranged individually or in clusters. | 01-08-2009 |
| 20090021959 | SURFACE EMITTING APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SURFACE EMITTING APPARATUS - A surface emitting apparatus and image display apparatus using this surface emitting apparatus that enables improved luminance uniformity and smaller apparatus sizes. The surface emitting apparatus has a light source section that emits light, a light guide plate that guides light incident from an inlet face such that the light is emitted from a surface of an outlet face and a scanning section that scans the light emitted from the light source section on the inlet face of the light guide plate. The image display apparatus has the surface emitting apparatus and a display panel that is arranged on a side of the outlet face of the light guide plate. | 01-22-2009 |
| 20090040784 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate (LGP) adapted to a backlight module having a light emitting surface, a bottom surface opposite to the light emitting surface, and at least one light incident surface contacting with the light emitting surface and the bottom surface is provided. The bottom surface has a plurality of flat surfaces and a plurality of groove groups. The groove groups and the flat surfaces are arranged in an alternating fashion. Each of the groove groups has at least two grooves. Each of the grooves has a first slanted surface, a peak, and a second slanted surface intersecting with the first slanted surface at the peak. In each of the grooves, a first side of the first slanted surface away from the peak is at a first distance from a second side of the second slanted surface away from the peak. The luminance efficiency of the LGP is better. | 02-12-2009 |
| 20090040785 | Spread illuminating apparatus - A transparent resin plate includes a plurality of slits formed intermittently and located along the border line between a housing frame portion and a light conductor plate portion, the slits includes either or both of respective first optical path converting portions and a second optical path converting portion, and flap portions of a reflector are inserted at least in the first optical path converting portions. Also, the second optical path converting portion of the plurality of slits is arranged to meet at least part of optical paths of hypothetical optical paths which are emitted forward from a light source in the forward direction, reach directly the housing frame portion and which do not cross the first optical path converting portion. | 02-12-2009 |
| 20090059619 | Backlight Assembly And Display Device Having The Same - A backlight assembly may include a light guide unit, a light source and a reflection module. The light source provides light onto an incident face of the light guide unit. The reflection module may include a first substrate having reflection regions, a lower electrode disposed in each reflection region, a switch element applying an on or off signal to the lower electrode, and an upper electrode. The upper electrode makes contact with or is spaced apart from a reflective face of the light guide unit in accordance with the on or off signal. Thus, light selectively exits the light guide unit through an exiting face of the light guide unit corresponding to each reflection region. A display device has a display module disposed on the exiting face of the light guide unit to display an image. Therefore, the display device has a simplified structure. | 03-05-2009 |
| 20090103326 | DISPLAY DEVICE HAVING LIGHT GUIDE UNIT - A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light. | 04-23-2009 |
| 20090109702 | BACKLIGHT UNIT AND DISPLAY APPARATUS - A backlight unit includes a light guide panel to guide entering light, a light source disposed on at least one side of the light guide panel to emit light, and a reflecting sheet disposed on a surface of the light guide panel to reflect the entering light toward a light emitting plane of the light guide panel, and includes a plurality of reflecting areas which have different reflectance, where a reflecting area of the plurality of reflecting areas which encounters a relatively large amount of the entering light has a higher reflectance than that of a reflecting area of the plurality of reflecting areas which encounters a relatively small amount of the entering light. | 04-30-2009 |
| 20090116261 | Side-emitting backlight module - A side-emitting backlight module includes a light guide plate and a plurality of point light sources. The light guide plate has a light incident end face. The point light sources are arranged as a first row and a second row. Each of the point light sources has a light emitting face. The first row is disposed between the second row and the light guide plate. Each point light source of the first row is staggered with respect to each point light source of the second row, so that each light emitting face of the point light sources fronts the light incident end face of the light guide plate. | 05-07-2009 |
| 20090141516 | OPTOELECTRONIC SEMICONDUCTOR COMOPNENT CAPABLE OF CENTRALIZING EMITTED LIGHT - An optoelectronic semiconductor component includes a light-emitting chip for emitting light, and a reflective substrate. A plurality of linear indent structures is formed on the reflective substrate. The light-emitting chip is installed on the reflective substrate and located on a side of the plurality of linear indent structures. The plurality of linear indent structures is capable of reflecting the light emitted from the light-emitting chip. | 06-04-2009 |
| 20090190372 | SIDE-TYPE BACKLIGHT MODULE - A side-type backlight module including a lampshade, a light guide plate (LGP), a plurality of point light sources and a reflection structure is provided. The LGP has a light incident surface disposed at an opening of the lampshade. The point light sources are disposed between the lampshade and the LGP. The reflection structure is disposed between the LGP and the lampshade, and has first light outlets, at least a second light outlet, sinks, first reflecting elements and at least a second reflecting element. The sinks are disposed corresponding to the first light outlets. The point light sources are disposed in the sinks. The second light outlet is located between and adjacent to the first light outlets. The first reflecting elements are disposed at the junctions of each first light outlet and the second light outlet. The second reflecting element is disposed corresponding to the second light outlet. | 07-30-2009 |
| 20090207628 | LED Device with Re-Emitting Semiconductor Construction and Coverging Optical Element - A light source is provided comprising an LED component having an emitting surface, which may comprise: i) an LED capable of emitting light at a first wavelength; and ii) a re-emitting semiconductor construction which comprises a second potential well not located within a pn junction having an emitting surface; or which may alternately comprise a first potential well located within a pn junction and a second potential well not located within a pn junction; and which additionally comprises a converging optical element. | 08-20-2009 |
| 20090303743 | Display including waveguide, micro-prisms and micro-mirrors - A display including a light source for generating light, an optical waveguide for receiving and evenly distributing light in a light propagation direction by total internal reflections and a matrix of electromechanical picture elements for modulating light to produce an image. | 12-10-2009 |
| 20090316431 | PLANAR ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A light source section ( | 12-24-2009 |
| 20100002463 | DISPLAY APPARATUS OF PORTABLE TERMINAL - A display apparatus of a portable terminal are provided that includes a light source for generating and outputting internal light; a display device for receiving the internal light from the light source through its one side and refracting the incident internal light to its upper side; and a display mirror layer. The display mirror layer includes a half mirror layer for receiving the internal light refracted by the display device and allowing it to pass therethrough to the outside; and a flange mirror layer for receiving the internal light from the light source and reflecting it. The display apparatus is configured in such a way that a display mirror layer is placed between the display device and the display window, so that it can enhance the clarity of images displayed on the display area and improve the appearance of the portable terminal. | 01-07-2010 |
| 20100091519 | ILLUMINATION SYSTEM AND DISPLAY DEVICE - The invention relates to an illumination system ( | 04-15-2010 |
| 20100103697 | LAMP UNIT, ILLUMINATION DEVICE, AND DISPLAY APPARATUS - In a lamp unit ( | 04-29-2010 |
| 20100142220 | DISPLAY APPARATUS - A display apparatus includes a display panel which displays images, a light source unit which generates and emits a light, a reflective sheet disposed below the display panel, and a plate disposed between the reflective sheet and the display panel. The reflective sheet includes a light diffusion pattern provided on an upper surface thereof facing the display panel, which diffusely reflects the light, to guide the light provided from the light source unit toward the display panel. The plate is spaced apart from the reflective sheet by a predetermined distance and includes a plurality of prisms provided on a lower surface thereof facing the reflective sheet to selectively reflect and transmit the light, which is provided from both the light source unit and the reflective sheet, according to an incident angle of the light. | 06-10-2010 |
| 20100165660 | BACKLIGHT AND DISPLAY SYSTEM USING SAME - A backlight that includes a front reflector and a back reflector that form a hollow light recycling cavity including an output surface is disclosed. The backlight further includes one or more light sources disposed to emit light into the light recycling cavity. The front reflector includes an on-axis average reflectivity of at least 90% for visible light polarized in a first plane, and an on-axis average reflectivity of at least 25% but less than 90% for visible light polarized in a second plane perpendicular to the first plane. | 07-01-2010 |
| 20100172152 | ILLUMINATION SYSTEM, LUMINAIRE AND BACKLIGHTING UNIT - The invention relates to an illumination system ( | 07-08-2010 |
| 20100182800 | LINEAR LIGHT-EMITTING DEVICE - A linear light-emitting device is provided with a pair of first and second linear electrodes opposing each other, and a linear phosphor layer is sandwiched between the paired electrodes, with at least one of the paired first and second electrodes being a transparent electrode, and the phosphor layer has a polycrystalline structure made from a first semiconductor substance, with a second semiconductor substance different from the first semiconductor substance being segregated on a grain boundary of the polycrystalline structure. | 07-22-2010 |
| 20100238686 | RECYCLING BACKLIGHTS WITH SEMI-SPECULAR COMPONENTS - A hollow light-recycling backlight has a “semi-specular” component providing a balance of specularly and diffusely reflected light improving the uniformity of the light output. The component may be arranged on the reflectors ( | 09-23-2010 |
| 20100265738 | FRAME OF EDGE-LIGHT BACKLIGHT MODULE - An edge-light backlight module includes a module frame having an upper frame and a bottom plate. A light guide plate is received in the module frame. A light source is received in the module frame and faces an enter side of the light guide plate. A lamp reflector is received in the module frame and encloses the light source. The lamp reflector is made of a soft material and has two overlapping portions overlapped with the light guide plate. Two filler members are attached on interior sides of the upper frame and the bottom plate to press the overlapping portions of the lamp reflector on the light guide plate. | 10-21-2010 |
| 20100271842 | MULTI-COLOR ILLUMINATING BACK LIGHT STRUCTURE - In an embodiment, the invention provides a multi-color illuminating back light structure comprising a light guide, a reflector, at least one LED and a wavelength converter material. Micro-structures are formed on a first surface of the light guide. The reflector is attached to the first surface of the light guide. A wavelength converter material is deposited on a second surface of the light guide. At least one LED is optically coupled to at least one side of the light guide. A portion of light reflected from the micro-structures and the reflector is converted into light having at least one wavelength different from the wavelength of the reflected light. The light leaving the wavelength converter material comprises light with at least first and second wavelengths. | 10-28-2010 |
| 20100271843 | ILLUMINATION SYSTEM, LUMINAIRE AND BACKLIGHTING UNIT - The invention relates to an illumination system ( | 10-28-2010 |
| 20100277950 | REMOTE WAVELENGTH CONVERTING MATERIAL CONFIGURATION FOR LIGHTING - A device includes a reflector and a wavelength converting material disposed on the reflector. A backlight is disposed between the reflector and a surface to be illuminated, such as a liquid crystal display panel. The backlight includes a light source and a waveguide. The waveguide is configured to direct a majority of light from the light source toward the reflector. At least a portion of the light is converted by the wavelength converted material, reflected by the reflector, and incident on the surface to be illuminated. | 11-04-2010 |
| 20100296312 | LIGHTING SYSTEM WITH DICHROMATIC SURFACES - A high efficiency lighting system ( | 11-25-2010 |
| 20100296313 | BACKLIGHT MODULE - A backlight module includes a housing, at least a light-mixing tube, a plurality of light emitting devices, and at least a reflector. The housing includes a bottom sheet and a frame, in which the bottom sheet and the frame define a chamber. The frame is a hollow structure, and inner walls of the frame define the light-mixing tube. The light emitting devices are disposed at a light entrance of the light-mixing tube. Lights generated by the light emitting devices enter the light-mixing tube from the light entrance, mix in the light-mixing tube, and emit from a light exit of the light-mixing tube. Lights emit from the light-mixing tube are reflected at the reflector and therefore are reflected into the chamber. | 11-25-2010 |
| 20100328966 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THEREOF - Provided are a light unit and a display apparatus comprising the same. The light unit comprises a bottom cover comprising a groove; a light source unit generating light in the bottom cover; an optical sheet unit on the bottom cover; and a reflective support member reflecting light and supporting the optical sheet unit in the bottom cover. | 12-30-2010 |
| 20110038175 | ILLUMINATOR - An illuminator including a bottom member having a guide face of a polygonal configuration arranged therein, a light source mounted on the guide face, a light guide member positioned inside the guide face of the polygonal configuration and optically aligned with the light source, and a top member coupled to the bottom member to protect the light source is provided. | 02-17-2011 |
| 20110038176 | Back Plate of Backlight Module and Manufacturing Method Thereof - A back plate includes an inner part, a bottom part, an outer part, a folded part and a fastener. The bottom part is connected to the inner part for providing a container space. The outer part is opposite the inner part. The folded part is connected with the outer part and the inner part. The fastener is disposed on the outer part. A method for manufacturing the back plate is also disclosed herein. | 02-17-2011 |
| 20110063873 | TRANSREFLECTORS, TRANSREFLECTOR SYSTEMS AND DISPLAYS AND METHODS OF MAKING TRANSREFLECTORS - Optical assembly comprises a light emitting assembly comprising a light emitting panel and an LED light source, and a transreflector film or sheet attached to the light emitting panel. The light emitting panel has a first pattern of optical deformities, and the transreflector sheet or film has a second pattern of optical deformities. The optical deformities of the second pattern are smaller in length and width than the transreflector film or sheet, and the optical deformities of the first pattern are aligned with the optical deformities of the second pattern. | 03-17-2011 |
| 20110134658 | EDGE-LIGHT BACKLIGHT ASSEMBLY - An edge-light backlight assembly is provided, which includes a light guide and a protruding part. The protruding part is provided for receiving light from various directions. The light received by the protruding part directly enters or is reflected to enter the light guide, and then the light leaves the light guide to provide backlight. Light sources are arranged to project light to the protruding part in different directions, such that the light sources can be disposed dispersedly to reduce the thickness of the light guide and heat generated is distributed over a large area. | 06-09-2011 |
| 20110134659 | HOLLOW BACKLIGHT WITH TILTED LIGHT SOURCE - In one embodiment, the invention provides backlight comprising a front reflector ( | 06-09-2011 |
| 20110157914 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a reflecting unit, two light emitting units, and two light absorbing units. The light guide plate has a first surface, a second surface opposite to the first surface, and two light incident surfaces connecting the first surface and the second surface. The two light incident surfaces are respectively located at two adjacent corners of the light guide plate. The reflecting unit is disposed on the second surface. The two light emitting units are respectively disposed beside the two light incident surfaces. Light beams emitted by the two light emitting units are capable of entering the light guide plate respectively through the two light incident surfaces and being transmitted out of the light guide plate through the first surface. The light absorbing units are disposed between the second surface and the reflecting unit and are respectively adjacent to the two light incident surfaces. | 06-30-2011 |
| 20110199785 | Backlight Module, Light Guide Plate Thereof and Ink Thereof - The present invention relates to a backlight module, light guide plate thereof and ink thereof. The ink includes a base resin and an additive. The additive is dispersed in the base resin for increasing the printability of the ink. The additive comprises a polymer having hydroxy functional group, ester functional group, ether functional group or combination thereof. Use of the ink of the present invention will reduce the color difference and the variation of color temperature of the light guide plate. In addition, the ink has higher flowability, which increases the printability of the ink. | 08-18-2011 |
| 20110199786 | SURFACE LIGHT SOURCE DEVICE - A dichroic filter column ( | 08-18-2011 |
| 20110205758 | LIGHTING MODULE AND LIGHTING APPARATUS INCLUDING THE SAME - Disclosed is a lighting module. The lighting module includes:
| 08-25-2011 |
| 20110228560 | BACKLIGHT MOUDLE - A backlight module includes a light guide plate (LGP) and a light emitting unit. The LGP has a first surface, a second surface, a light incident surface, a first curved convex surface, a first plane, a second curved convex surface and a second plane. The first surface has a visual area. The second surface is opposite to the first surface. The light incident surface, the first curved convex surface, the first plane, the second curved convex surface, and the second plane connects the first surface and the second surface. The light incident surface connects the first plane and the second plane. The light emitting unit is disposed beside the light incident surface for emitting a light beam, wherein the light beam is capable of entering the LGP through the light incident surface, and being transmitted out of the LGP through the visual area of the first surface. | 09-22-2011 |
| 20110267839 | RADIATION STRUCTURE WITHOUT LIGHT GUIDING BOARD - A radiation structure without a light guiding board for a backlight module or an illuminant device includes an optical plate formed with at least one rising area having a rising surface defined at the center thereof, two light sources disposed adjacent to two sides of the optical plate, and a diffusion plate. The light sources each possess a radiant half-intensity angle below 15 degrees for respectively forming optic axial directions thereof, allowing a radiation field to be diffusively formed from the pivoting of the optic axial directions. Whereby, the optic axial directions respectively face toward the rising surface, allowing the projection of the radiation field on the rising surface, and the diffusion plate is disposed above the rising area of the optical plate. Therefore, an even radiating surface caused by a diffusion of the light sources from the diffusion plate could be preferably obtained even if no light guiding board is applied. | 11-03-2011 |
| 20110292682 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members. | 12-01-2011 |
| 20120002442 | DISPLAY DEVICE FOR A VEHICLE AND METHOD FOR PRODUCING THE DISPLAY DEVICE - A display apparatus is provided for a vehicle and a method for manufacturing the display apparatus. The display apparatus includes, but is not limited to a display screen and a background lighting. Illuminated characters are disposed, imaged, or activated on the display screen. The background lighting of the display screen includes, but is not limited to illuminants which emit light into a light guide body. The light guide body is disposed on a rear side of the display screen. The light guide body includes, but is not limited to a light guide plate made of an optically transparent plastic compound, in which optically non-transparent partitions for light guide zones of the light guide body, which are optically shielded from one another, are introduced. | 01-05-2012 |
| 20120008339 | OPTICAL ASSEMBLY, BACKLIGHT UNIT HAVING THE SAME, AND DISPLAY APPARATUS THEREOF - The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part to receive the light and a second part to output the light through a top surface. The optical assembly may also include a side cover that may fix the light emitting module and a portion of the first part. The side cover may have a plurality of connector holes. | 01-12-2012 |
| 20120044714 | DISPLAY DEVICE - A display device including: a display panel displaying an image; a light source unit supplying light to the display panel; a light guide including: an incidence plane facing the light source unit; an emission plane facing the display panel; and a light guide protrusion protruding in a direction perpendicular to a side of the light guide at an edge of the light guide; a reflection sheet arranged opposite to the surface of the emission plane of the light guide, and including a reflection protrusion protruding in a direction perpendicular to a side of the reflection sheet at an edge of the reflection sheet; and a supporting frame supporting an edge of the display panel, the light guide, and the reflection sheet, the supporting frame including: a light guide protrusion receiving groove receiving the light guide protrusion; and a reflection protrusion receiving groove receiving the reflection protrusion. | 02-23-2012 |
| 20120057368 | BACKLIGHT MODULE AND DISPLAY DEVICE USING THE SAME - A backlight module including a first casing, a light guiding member, a light source and a limiting structure is provided. The first casing has a top portion and a first side portion connected to the top portion. The light guiding member is located at an inner side of the first side portion and has a light incident surface and a top surface. The light source is located at the inner side of the first side portion and is disposed adjacent to the light guiding member. The light source has a light emitting surface facing the light incident surface. The limiting structure is protruded from a wall below the top portion and located above at least part of the light source and at least part of the top surface of the light guiding member. | 03-08-2012 |
| 20120063166 | COLLIMATING WAVEGUIDE APPARATUS AND METHOD - A collimating waveguide, an optical backlight apparatus, and a method of producing a collimated beam of radiant electromagnetic energy are disclosed. A collimating waveguide comprises an input surface to receive radiant electromagnetic energy from a point source and an output surface to emit an output beam of substantially collimated radiant electromagnetic energy. A first collimating surface of the waveguide receives a beam of the radiant electromagnetic energy entering from the input surface traveling in a first direction and reflects the radiant electromagnetic energy into a substantially collimated beam of radiant electromagnetic energy traveling in a second direction, which is the reverse of the first direction. A second collimating surface of the waveguide receives the substantially collimated beam of radiant electromagnetic energy and to redirect the substantially collimated beam toward the output surface. An optical backlight apparatus comprises a reflective cavity to receive the collimating waveguide and a diffuser located over the output surface of the collimating waveguide. | 03-15-2012 |
| 20120063167 | SURFACE LIGHT SOURCE DEVICE AND FRAME USED THEREIN - Light that leaks from an outer peripheral surface of a lightguide plate can be reflected and returned to the lightguide plate by a frame, and light that is transmitted through the frame to leak out can be reduced. A reflecting sheet is disposed in a lower surface of the frame, and the lightguide plate and the light source are accommodated in the frame. The frame is formed such that an outer peripheral surface of a rectangular-frame-shaped inside frame portion made of a white resin is covered with a rectangular-frame-shaped outside frame portion made of a black resin. The inside frame portion and the outside frame portion are integrally molded by a two-color molding method. | 03-15-2012 |
| 20120063168 | SURFACE LIGHT SOURCE DEVICE AND FRAME USED THEREIN - In a surface light source device frame, an amount of light that leaks from an outer peripheral surface of the frame can be decreased while a decrease in luminance is suppressed in an emission surface. The frame includes a rectangular frame main body made of a black resin and an auxiliary member made of a white resin. In inner peripheral surfaces of both lateral sides of the frame main body, fitting portions are provided in an end portion on a side farther away from the light source in the frame main body in order to fit the leg portions. The auxiliary member is attached to the inner peripheral surface on the side farther away from the light source in the frame main body while the leg portions are fitted in the fitting portions. | 03-15-2012 |
| 20120069597 | PLANAR LIGHT SOURCE DEVICE HAVING LIGHT GUIDE PLATE WITH REFLECTIVE MEMBER - A white highly-reflective layer is formed at both ends of a light incident edge face of a color-mixing region of a light guide plate to surround an LED. Alternately, an overhung portion may be overhung from both ends of the light incident edge face of the color-mixing region of the light guide plate by a same material thereof to surround the LED, and a white highly-reflective layer is formed at terminals of the overhung portion. Still further, an overhung portion may be overhung from both ends of the light incident edge face of the color-mixing region of the light guide plate by the same material thereof to surround the LED, and a specular highly-reflective layer made of metal such as silver or aluminum is formed at terminals of the overhung portion. | 03-22-2012 |
| 20120075885 | BACKLIGHT FOR LARGE FORMAT ILLUMINATION - The present disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for illuminating films with one or more backlights. In one aspect, a side-illuminated backlight may include a reflective back sheet and a reflective front sheet with a plurality of perforations. The size and spacing of the perforations may be configured for producing a field of light, via the plurality of perforations, having a uniformity that is within a predetermined range. The side-illuminated backlight may also include a rigid reflective frame having a window on at least one side through which light may be received. The backlight may include a light-turning film for re-directing at least some light emerging from the front sheet perforations. The light-turning film may direct light entering the perforations in the front sheet at an oblique angle to a more nearly perpendicular angle relative to the front sheet. | 03-29-2012 |
| 20120081920 | BACKLIGHT MODULE - A backlight module provided includes a light source, a first light-guided plate, and a second light-guided plate stacked on the first light-guided plate. The first light-guided plate includes a plate body and an extension disposed on an edge of the plate body and extending towards the second light-guided plate aside a lateral side of the second light-guided plate. The plate body and the extension form a seamless light incident surface. The extension has a reflection surface. The reflection surface connects the light incident surface or the surface of the plate body. The light source is disposed at a light incident surface of the first light-guided plate for projecting light into the light-guided plate. | 04-05-2012 |
| 20120081921 | LIGHT EMITTING PANEL ASSEMBLIES - A light emitting assembly comprises a light source, a light emitting panel member having an input edge that receives light from the light source, and end edge and side edge reflectors. The panel member is received in a cavity or recess of a tray or housing. An additional component overlies the panel member. | 04-05-2012 |
| 20120106196 | LIGHT GUIDE PLATE AND DISPLAY APPARATUS INCLUDING THE SAME - A light guide plate includes a light incident surface, a light facing surface facing the light incident surface, a connection surface connecting the light incident surface with the light facing surface, and a top surface connected with the light incident surface, the light facing surface, and the connection surface. The light incident surface receives light from a light source, the light facing surface reflects light, and the top surface outputs light toward a display panel. The connection surface includes at least two absorption surfaces parallel to a straight line linking a center of an arc with an end of the light incident surface and at least one reflective surface interposed the two adjacent absorption surfaces to reflect the light. | 05-03-2012 |
| 20120106197 | Flat Panel Display Structure and Manufacturing Method Thereof - A flat panel display structure and a manufacturing method thereof are provided. The flat panel display structure includes a light guide plate made of optical glass, an optical film disposed on the light guide plate and glued thereon through a first glue layer, a display panel having a light incident surface facing the optical film and a display surface with an active area located at the central portion thereof, a second glue layer gluing the optical film and the display panel so as to cover the light incident surface including the projection of the display area thereon, and a light module emitting lights toward the light guide plate. The refractive indices of the first glue layer and the second glue layer are smaller than or equal to that of the light guide plate and the optical film. | 05-03-2012 |
| 20120106198 | FLAT LIGHT SOURCE MODULE - A flat light source module including a light guide plate, a flexible circuit board and a light emitting device is provided. The light guide plate has a light incident surface, a light exit surface and a bottom surface opposite to the light exit surface, wherein the light incident surface further includes a light incident curved surface, and the light incident curved surface is connected with the light exit surface and the bottom surface. The flexible circuit board is disposed beside the light incident curved surface along the light incident curved surface of the light guide plate. The light emitting device is disposed on the flexible circuit board, and the light emitting device has a light emitting surface facing the light incident curved surface. | 05-03-2012 |
| 20120120679 | BACKLIGHT MODULE, LIGHT GUIDE PLATE THEREOF AND INK THEREOF - The present invention relates to a light guide plate and ink thereof. The ink includes a base resin and a plurality of hollow structures. The hollow structures are dispersed in the base resin and comprise air therein. In the present invention, the hollow structures in the ink give the light guide plate higher light extraction efficiency. | 05-17-2012 |
| 20120120680 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention discloses a backlight module having a light guide plate and a plurality of backlight sources. The light guide plate contains a plurality of grooves which divide the light guide plate into several domains. All of the grooves have a specific cross section which may be triangular, trapezoidal, or convex curved in shape. The light guide plate can reflect light emitted by the backlight sources through specific angles resulted from the specific cross sections of the grooves. Therefore, it is entirely possible to achieve the target of local dimming of the backlight module by means of a design of positions of the grooves and of angles of the cross sections. | 05-17-2012 |
| 20120134178 | LIGHT EMITTING DEVICE PACKAGE AND DISPLAY DEVICE THEREWITH - An embodiment discloses a light emitting device package including a first lead frame and a second lead frame disposed spaced from each other, a light emitting device disposed on the first lead frame, and a reflective sidewall disposed on the first lead frame and the second lead frame to surround the light emitting device, wherein a portion of the reflective sidewall has a height higher than the other portion of the reflective sidewall. | 05-31-2012 |
| 20120140520 | LIGHT EMITTING DEVICE MODULE AND BACKLIGHT UNIT INCLUDING THE SAME - Disclosed is a light emitting device module, which includes a circuit board having at least two cavities, a reflective layer formed on a surface of each cavity, and a light emitting device package disposed in each cavity. The light emitting device package includes a package body and a light emitting device disposed on the package body, the light emitting device being electrically connected to a first lead frame and a second lead frame. | 06-07-2012 |
| 20120147623 | OPTICAL FILM ASSEMBLY, BACKLIGHT MODULE AND DISPLAY DEVICE - An optical film assembly includes a first prism film and a first diffusing film. The first diffusing film is disposed on the first prism film. The first prism film has a plurality of prism structures arranged in parallel with each other and arranged in an orientation direction. The first diffusing film has a tensile direction. An angle included between the tensile direction of the first diffusing film and the orientation direction of the prism structures of the first prism film is between 50 degrees and 130 degrees. | 06-14-2012 |
| 20120147624 | LED-BASED LAMPS - A lamp comprises: a dish-shaped (parabolic); an LED operable to generate excitation light; a light guide configured to extend along an axis of the reflector, wherein light generated by the at least one LED is coupled into a first end of the light guide and wherein light is emitted from the light guide at a light emitting surface that is in proximity to a second end of the light guide and at least one phosphor material provided as a layer on at least a part of the light emitting surface of the light guide. An LED light bulb is also disclosed. | 06-14-2012 |
| 20120155116 | HIGH EFFICIENCY EDGE-LIT LIGHT FIXTURE - This is directed to a LED light fixture having a light guide array with a retroreflective element used to redirect light into the light guide array, and methods for constructing the same. A LED light fixture includes a LED module providing light and an elongated light guide array placed adjacent to the LED module. Light emitted by the LED module propagates through the light guide array and is redirected by the light guide array into the environment of the fixture. To prevent light from propagating through the end of the light guide array opposite the LED module, the light guide array can include angled facets forming a retroreflective element at an end of the light guide array for redirecting light back into the LGA. | 06-21-2012 |
| 20120163022 | ILLUMINATION APPARATUS - This invention relates to an illumination apparatus. The illumination apparatus comprises a light guide plate and a light source configured to emit light into the light guide plate through a first surface, and the light guide plate comprises a concentrator configured to direct incident light in the light guide plate so as to radiate in a direction substantially parallel to a preset plane. The preset plane is perpendicular to any one of the top surface and bottom surface of the light guide plate, and intersects the first surface and a second surface of the light guide plate or intersects the first surface and one of the side surfaces at an angle that is substantially larger than the critical angle of a total reflection. In this way, unwanted light loss in the light guide plate is reduced, and the distribution of the light intensity or luminance along the light guide plate is improved, i.e., a substantially uniform distribution of the light intensity can be achieved. | 06-28-2012 |
| 20120206940 | BACKLIGHT ASSEMBLY - A backlight assembly includes a light emitting part, a light guide plate, a bracket and receiving container. The light emitting part generates light. The light guide plate includes a first side surface which receives the light, and a second side surface adjacent to the first side surface. The bracket is fixed to the second side surface of the light guide plate. The receiving container includes a bottom, and a sidewall perpendicularly extending from the bottom, and receives the light emitting part and the light guide plate. The sidewall includes combining portions which are combined with the bracket. | 08-16-2012 |
| 20120212976 | INTEGRATED BACKLIGHT MODULE WITH GOOD HEAT EQUALIZATION AND HEAT DISSIPATION PERFORMANCE - The present invention relates to an integrated backlight module with good heat equalization and heat dissipation performance, comprising: a main frame, a welded material, a thermal conductive medium, and at least one light source module, wherein the main frame has at least one edge for disposing the light source module and has good heat dissipation property. The light source module comprises: a reflective member, a copper circuit layer and a plurality of LED chips, wherein the light source module attached with a thermal conductive adhesion is attached to the edge of the main frame via the thermal conductive medium; besides, the welded material is used for steadily combining the thermal conductive medium with the edge. Thus, when the plurality of LED chips emit, the heat produced by the LED chips is transferred to the thermal conductive medium through the copper circuit layer and the thermal conductive adhesion, and the thermal conductive medium conducts the heat to the edge of the main frame through a high efficiency thermal conducting way, so that the heat is dissipated via the main frame. | 08-23-2012 |
| 20120224390 | INTEGRATED LIGHT PIPE AND PERIMETER CHASSIS - A thin-profile portable electronic device with a display is described. The display can include a display assembly with an integrally formed light pipe and perimeter chassis. The light pipe can be utilized to provide back-lighting for the display. The light pipe and the perimeter chassis can be integrally formed to improve the stiffness of the light pipe and allow the over-all height of the display to be reduced. In one embodiment, the light pipe and the perimeter chassis can be formed using a co-molding process, such as an injection molding process. | 09-06-2012 |
| 20120224391 | LED LIGHTING DEVICE WHICH HAS STABLE STRUCTURE AND IS EASILY ASSEMBLED AND DISASSEMBLED - Disclosed is an LED lighting device which is easily assembled and disassembled and has a stable assemblability without structural shaking. The LED lighting device is able to improve a heat radiating characteristic and optical efficiency. The LED lighting device according to the embodiment includes a lower case; a light source unit disposed on one side of the lower case; a light guide plate disposed in parallel with the light source unit; and an upper case disposed on the light guide plate and coupled to the lower case in an attachable and removable way. | 09-06-2012 |
| 20120224392 | LIGHTING MODULE AND LIGHTING APPARATUS INCLUDING THE SAME - The lighting module includes: a case including an opening from which light is emitted, a base portion corresponding to the opening, and a seat on at least one side of the base portion; a light source unit disposed on the seat; a light guide plate placed within the case and optically connected with the light source unit; and a diffusing plate placed within the case and placed below the light guide plate, wherein the lighting source unit includes a substrate, a plurality of light emitting diodes (LEDs) disposed on the substrate, and a sub-reflector which is disposed on the substrate and covers the plurality of the LEDs, and wherein at least 90% of the light emitted from the LEDs is directly irradiated onto the light guide plate. | 09-06-2012 |
| 20120230055 | FRONT LIGHT ILLUMINATION DEVICE AND REFLECTIVE DISPLAY DEVICE EMPLOYING THE SAME - A display device includes a display layer and a light guide plate (LGP) arranged on the display layer. The LGP includes a first surface facing away from the display layer, an opposite second surface, and a lateral surface between the first and second surfaces, the lateral surface having a light incident portion. A light source and a scanning mirror are arranged on the lateral surface of the LGP. The light source configured to emit a light beam toward the scanning mirror, the scanning mirror being reciprocally rotatable about a rotating axis at a given frequency, the scanning mirror configured to reflect and direct the light beam from the light source to enter into the LGP through the light incident portion. | 09-13-2012 |
| 20120236592 | DISPLAY APPARATUS INCLUDING LIGHT GUIDE PLATE COUPLING MEMBER - Provided is a display apparatus, which includes a light source unit providing light, a light guide panel guiding the light to a display panel, the display panel receiving the light to display an image, and a bottom chassis accommodating the light guide panel, the light source unit, and the display panel. The light guide panel is adjacent to the light source unit, and includes a light incident surface to which the light is incident, a light output surface from which the light is emitted, and an opposite surface opposed to the light output surface. The display panel faces the light output surface and receives the light to display an image. The bottom chassis has a bottom facing the opposite surface. The light guide panel includes a coupling member protruding from the opposite surface and coupled to the bottom chassis. | 09-20-2012 |
| 20120236593 | LIGHT EMITTING DIODE LAMP - A light emitting diode (LED) lamp includes a heat dissipation module, a circular light guide plate (LGP), and LED light sources. The heat dissipation module includes a heat dissipation element and a heat-conducting base that has a containing concave. The heat dissipation element connecting and surrounding the heat-conducting base is distant from the circumference of the heat-conducting base. The circular LGP in the containing concave has a top surface, a bottom surface, and an annular side surface. The top surface faces the heat-conducting base and has concentric annular trenches. The LED light sources are configured in the containing concave and face the annular side surface. The LED light sources are suitable for emitting a light beam which is capable of passing through the annular side surface to enter the circular LGP and capable of being reflected by the annular trenches and emitted from the bottom surface. | 09-20-2012 |
| 20120236594 | LIGHT BULB WITH ADJUSTABLE LIGHT OUTPUT - A light bulb includes a base, a light source and a light guide having opposed major surfaces and a light input edge that receives light from the light source, the light propagating along the light guide by total internal reflection and the light guide including a light output region on one of the major surfaces. An optical adjuster has a first region having a light modifying characteristic and a second region. The optical adjuster and light output region are variably positionable relative to one another to selectively apportion light emitted from the light output region between the first region and the second region, the light apportioned to the first region being modified by the light modifying characteristic thereof so that light output from the light bulb is modified based on relative positioning of the optical adjuster and the light guide. | 09-20-2012 |
| 20120236595 | LIGHT BULB WITH ADJUSTABLE LIGHT OUTPUT - A light bulb includes a base; a light guide having opposed major surfaces between which light propagates by total internal reflection, a light input edge, and two light output regions of different optical characteristics at least one of which is associated with a corresponding one of the major surfaces; and a light source electrically coupled to the base and located adjacent the light input edge. The light source and the light guide are variably positionable relative to one another to vary a location on the light input edge at which light is input to the light guide such that light is emitted from the light guide selectively apportioned between the light output regions so that a characteristic of the light output from the light bulb is modified based on the optical characteristics associated with the light output regions and the relative positioning of the light source and the light guide. | 09-20-2012 |
| 20120236596 | LIGHT BULB WITH ADJUSTABLE LIGHT OUTPUT - A light bulb includes a base, light guide, and light source. The base is configured to mechanically mount the light bulb and receive electrical power. The light guide includes light input regions, at least one of the light input regions associated with an optical modifying characteristic, the light guide configured to propagate light by total internal reflection. The light source is located adjacent the light input regions. The light source and light input regions are variably positionable relative to one another to vary location at which light is incident on the light input regions such that light emitted from the light source is selectively apportioned between the light input regions. A characteristic of the light output from the light bulb is modified based on the optical modifying characteristic of the at least one of the light input regions and the relative positioning of the light source and light input regions. | 09-20-2012 |
| 20120243256 | LED LIGHTING DEVICE WITH LIGHT GUIDE PLATE - A light guide plate includes a lateral side through which light enters and a front side through which light exits. A phosphor is coated on the lateral side. A light source includes a plurality of light emitting diodes (LEDs) having wavelengths of 230-520 nanometers (nm). The LEDs are mounted proximate to the lateral side and corresponding to, but separated from, the phosphor. A reflector includes a reflective surface and is mounted on a back side of the light guide plate with the reflective surface facing the light guide plate. A frame fixes the light guide plate, the light source, and the reflector. Colors of the phosphor and the light source are complementary. The phosphor absorbs light from the light source to transition into an excited state. The light guide plate outputs light from the light source and the phosphor through the front side. | 09-27-2012 |
| 20120243257 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 09-27-2012 |
| 20120262942 | BACKLIGHT MODULE AND ITS LIGHT GUIDE PLATE MODULE - The present invention discloses a backlight module and its light guide plate module. The light guide plate module comprises a plurality of adjacently arranged light guide plates, each of the light guide plates includes a light emitting surface and at least one light entrance surface, and the light emitting surfaces of the light guide plates are on a same plane. The present invention employs the arrangement of a plurality of modular light guide plates to achieve a large light emitting area. Each of the light guide plates corresponds to an independently controlled light emitting module, respectively, so that the side-light type backlight module can realize local dimming function. | 10-18-2012 |
| 20120262943 | DISPLAY UNIT - A display unit in which the view angle is limited and the front luminance is improved. The display unit includes a display device, and a light guiding part which is provided to face the display device. The light guiding part, has an incident face facing the display device, an emitting face, a reflective surface on a side thereof, and a cross section expanding from the incident face to the emitting face. | 10-18-2012 |
| 20120275189 | Patterned Light Distribution Device - A backlight apparatus comprised of a light pipe with one or more light input ends, a top surface, a bottom surface, opposing side, a non imaging optic collimator and scatter inducing elements. The non imaging optic collimator causes the light rays entering into the light pipe to be directed towards the far end relative to the light input end in a specified angular distribution. Pluralities of scatter induced elements (SIE) are introduced in the body of the light pipe between the applicable light input end and the corresponding far end. Individual scatter induced elements may be formed in any geometry, and may be grouped or separated such that there exists a variation of SIE each individually or as grouped, possessing discrete geometries. The light pipe may also vary in the quantity of said SIE at any specified location of the device, and each SIE will have an index of refraction either greater or lesser relative to the index of refraction of the light pipe at the location surrounding the individual scatter induced element. The said SIE cause the light rays to exit the top surface of the device at a specific angular profile and at a specific angular direction with reference to the plane of the light pipe. | 11-01-2012 |
| 20120275190 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate (LGP) includes a first surface, a second surface, at least one light incident surface, and a plurality of micro-structure sets. The second surface is opposite to the first surface. The light incident surface connects the first surface to the second surface. The micro-structure sets are separately disposed on the second surface, and the micro-structure sets are not continuous in any direction parallel to the first surface. Each of the micro-structure sets includes at least one protrusive structure that protrudes from the second surface and at least one recessive structure that is recessed in the second surface. A light source module is also provided. | 11-01-2012 |
| 20120281432 | LIGHTING ASSEMBLY - A lighting assembly includes a light guide having opposed major surfaces between which light propagates by total internal reflection and a light input edge. The light assembly also includes a light engine. The light engine has a heat conductive armature having a receptacle for a portion of the light guide that includes the light input edge and a light source retained by and thermally coupled to the armature. The armature functions as a heat sink for dissipating heat generated by the light source. The light guide is mechanically retained in the receptacle, and the light guide and the armature cooperate to align the light input edge with the light source for inputting light from the light source into the light guide through the light input edge. | 11-08-2012 |
| 20120287671 | LIGHTING ASSEMBLY - A lighting assembly includes a light engine and a light guide. The light engine edge lights the light guide and includes a control assembly that controls light output according to one or more parameters to produce light output from the lighting assembly with a desired characteristic. Lighting assemblies are combined to form a modular lighting assembly. | 11-15-2012 |
| 20120287672 | BACKLIGHT ASSEMBLY AND METHOD OF ASSEMBLING A BACKLIGHT ASSEMBLY - A backlight assembly includes a first light-emitting module, a light guide plate, a receiving container and a main adhesion member. The first light-emitting module includes a first circuit board including a first mounting surface, and a first light source on the first mounting surface. The light guide plate is on the first mounting surface and guides light from the first light source. The receiving container includes a bottom portion and receives the first light-emitting module and the light guide plate. The main adhesion member is between the first mounting surface and the light guide plate and is attached to the first circuit board and the light guide plate, and is between the light guide plate and the bottom portion and movable with respect to the light guide plate. | 11-15-2012 |
| 20120294036 | LED Light-Source Structure and Backlight Module - The present invention provides an LED light-source structure and a backlight module comprising an LED light-source, wherein the LED light-source structure further comprises a light reflecting device, and the light reflecting device is disposed corresponding to a light output surface of the LED light-source, and the light reflecting device has at least one light output opening, and the periphery of the light output opening is a plate-shaped frame for reflecting the light of the LED light-source, and a vertical size of the light output opening is less than a height of the light output surface of the LED light-source. With use of the present invention, all or most of the light emitted from the light output surface of the LED light-source can be inputted into a side input surface of a light guide plate (LGP), thus reducing a light scattering loss and improving a light input efficiency of the LED. | 11-22-2012 |
| 20120294037 | ILLUMINATION DEVICE - This disclosure provides systems, methods and apparatus for illumination devices. In one aspect, an illumination device having a longitudinal axis includes a light source and a light guide. The light guide has a peripheral edge, a transmissive illumination surface, a center portion, and an upper surface. The transmissive illumination surface is oriented perpendicular to the longitudinal axis and disposed between the center portion and the peripheral edge. The upper surface is oriented relative to the illumination surface to define an angle α therebetween. In some implementations, the angle α can be greater than 15 degrees, for example. | 11-22-2012 |
| 20120300496 | Backlight Module - A backlight module includes a light guide plate, at least one light source, and a light-reflecting plate. The light guide plate includes a light-emitting surface, a bottom surface, a light-incident surface, and a guiding tilt surface. One end of guiding tilt surface and light-emitting surface are intersected at a first boundary, and the other end connects to a top edge of light-incident surface. The guiding tilt surface extends toward a direction of protruding the light-emitting surface. The horizontal distance between the first boundary and light-incident surface is L. The light-reflecting plate is disposed under the bottom surface. When the horizontal distance d between light-incident surface and an end of light-reflecting plate near light-incident surface is less than L, the horizontal distance between a vertical projection of the end on light-emitting surface and first boundary is not more than 0.5 mm. When d is more than L, x is at least 0.5 mm. | 11-29-2012 |
| 20120307522 | BACKLIGHT UNIT - A backlight unit is disclosed. The backlight unit includes a light emitting device package, a light guide plate including a first region, which has a recess indented in a lateral surface thereof adjacent to the light emitting device package, and a second region, an upper surface of which is stepped from the first region, and an optical sheet placed on an upper surface of the upper surface of the second region. | 12-06-2012 |
| 20120320628 | SIDE-LIGHT TYPE LIGHT GUIDE PLATE ASSEMBLY AND BACKLIGHT MODULE - The present invention discloses a side-light type light guide plate assembly and a backlight module, which has a light guide plate and at least one reflector sheet. The light guide plate has a lower surface, a light output surface opposite to the lower surface, and at least one light input side surface connected between the lower surface and the light output surface. The reflector sheet is correspondingly disposed on at least one side surface of the light guide plate except for the light input side surface, while a medium layer is defined between the reflector sheet and the light guide plate. The refraction index of the medium layer is smaller than or equal to 1.12. By providing the air layer and the reflector sheet, light beam emitting out of a side of the light guide plate and going back to the light guide plate can meet conditions of total reflection, so as to prevent from generating a light leakage phenomenon at edges of the light guide plate. | 12-20-2012 |
| 20120320629 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a light guiding plate, a light source and a bottom receiving plate. The light source is disposed at a first side of the light guiding plate. The bottom receiving plate includes a bottom surface and a side wall to form a receiving space in which at least a portion of the light guiding plate is placed. The bottom surface is smaller than a lower surface of the light guiding plate and has a plurality of openings formed through the bottom surface. The side wall extends from the bottom surface. | 12-20-2012 |
| 20130010495 | LIGHT EMITTING MODULE AND ILLUMINATION SYSTEM INCLUDING THE SAME - A light emitting module is disclosed. The light emitting module includes a circuit board, a plurality of light emitting devices mounted on the circuit board and spaced apart from each other, molding parts wrapping the respective light emitting devices, and a reflective member disposed on the circuit board to surround the light emitting devices. The reflective member has a height greater than that of each of the molding parts. The reflective member has a plurality of openings exposing the light emitting devices, and each of the openings has a reflective side wall extending upward from the circuit board. | 01-10-2013 |
| 20130010496 | LED BACKLIGHT - In an edge-light type LED backlight in which visible light LED light sources and non-visible light LED light sources are mounted on a FPC in a side-view type manner and light enters a light guide plate through a side surface, in order that visible light and non-visible light are efficiently guided into the light guide plate and the efficiency of light emission is enhanced, reflective members and that reflect and guide both the visible light and the non-visible light to an entrance portion are provided on a first surface side corresponding to the mounting surface side of the FPC and a second surface side corresponding to the back surface side of the FPC. | 01-10-2013 |
| 20130027973 | ELECTRONIC DEVICE WITH LIGHT-GUIDE STRUCTURE - An electronic device includes an enclosure and a light-guide structure. The enclosure includes a bottom plate and a top plate. A circuit board is attached to the bottom plate. The light-guide structure includes a light source, an indicator-lamp head, and a light-guide post located between the light source and the indicator-lamp head. The light source is electronically connected to the circuit board to emit a plurality of light beams substantially perpendicular to the circuit board. The indicator-lamp head is attached to the top plate. The light-guide post includes at least one reflecting surface. The indicator-lamp head and the light source are arranged at a line that is not perpendicular to a plane of the circuit board, and the plurality of light beams are reflected by the at least one reflecting surface, and transmits to the indicator-lamp head. | 01-31-2013 |
| 20130027974 | ELECTRONIC DEVICE WITH LIGHT-GUIDE STRUCTURE - An electronic device includes an enclosure and a light-guide structure. The enclosure includes a bottom plate and a side plate. A circuit board is attached to the bottom plate. The light-guide structure includes a light source, an indicator-lamp head, and a light-guide post located between the light source and the indicator-lamp head. The light source is electronically connected to the circuit board to emit a plurality of parallel lights substantially perpendicular to the circuit board. The indicator-lamp head is attached to the side plate. The light-guide post includes a curve surface adjacent to the indicator-lamp head. The curve surface includes an arcuate convex surface towards the indicator-lamp head, and the arcuate convex surface is adapted to reflect the plurality of parallel lights and transmits the plurality of parallel lights into a plurality of emanative lights towards the indicator-lamp head. | 01-31-2013 |
| 20130039091 | BACKLIGHT UNIT - A backlight unit includes a light guide plate including a first surface and a second surface, opposite to the first surface, having a recess formed toward the first surface, and a light emitting device array disposed in the recess, the light emitting device array including a plurality of light emitting device packages and a board, on which the light emitting device packages are disposed. The light emitting device packages include first light emitting device packages to emit first light in the recess in a first direction, second light emitting device packages to emit second light in the recess in a second direction opposite to the first direction, and third light emitting device packages to emit third light having light output different from at least one of the first light and/or the second light in the recess in a third direction intersecting the first and second directions. | 02-14-2013 |
| 20130044514 | LIGHT GUIDE PLATE AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light guide plate includes a main body portion and inclined light guide portions having at least one recess. The main body portion has a first light incident surface, a bottom surface that is adjacent to the first light incident surface, and a light emitting surface that is opposite to the bottom surface. The inclined light guide portions disposed on the main body portion have a second light incident surface and at least one inclined surface. The second light incident surface is connected to the first light incident surface of the main body portion. The inclined surface is connected to the light emitting surface of the main body portion. At least one recess is formed between the inclined light guide portions. In addition, a wedge-shaped body can further be formed between the main body portion and the inclined light guide portions. | 02-21-2013 |
| 20130044515 | EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module including a light guide plate, a reflecting element, light emitting elements, and a light absorbing element is provided. The light guide plate includes a first surface, a second surface opposite to the first surface, and at least one light incident surface. The reflecting element is disposed on the second surface and has openings disposed on a side of the reflecting element corresponding to the light incident surface. The light emitting elements are disposed beside the light incident surface and corresponding to the openings, respectively. Each light emitting element emits a light beam which enters the light guide plate via the light incident surface and is transmitted out of the light guide plate via the first surface. The light absorbing element is disposed beneath the reflecting element, supports the reflecting element, and absorbs a part of the light beams entering the openings via the light incident surface. | 02-21-2013 |
| 20130051070 | LED LIGHT BAR AND BACKLIGHT MODULE - A light-emitting diode light bar includes a printed circuit board and a light-emitting diode. The printed circuit board has a protective layer, a first signal line, and a first extension line. The LED is disposed on the first signal line and the first extension line. The protective layer is formed above the first signal line and the first extension line, and has an opening that exposes a portion of the first signal line, and a portion of the extension line, such that a first exposed length of the first signal line is substantially equal to a second exposed length of the first extension line. | 02-28-2013 |
| 20130063978 | Chassis for Display Backlight - An electronic device may be provided with a display. Backlight structures may be used to provide backlight for the display. The backlight structures may include a light guide plate. A rectangular ring-shaped chassis may have a rectangular opening that receives the light guide plate. One or more edges of the chassis may be provided with an array of notches that receive light-emitting diodes or other light sources. The light sources may launch light into edge portions of the light guide plate. The chassis may include a first plastic structure such as a light reflecting structure formed from a material such as white plastic. The first plastic structure may surround two or more peripheral edges of the light guide plate. The chassis may also include a second plastic structure such as a light blocking structure formed from a material such as black plastic that helps prevent light leakage. | 03-14-2013 |
| 20130063979 | ELECTRICAL CONNECTOR AND BACKLIGHT MODULE USING THE SAME - The invention provides an electrical connector and a backlight module using that electrical connector. The electrical connector includes a body and two conducting lines. The body is provided with first and second connecting portions, the former of which has a first connecting surface and the latter has a second connecting surface. An invariable relative angle is defined between the first and second connecting surfaces. The conducting lines are coated on the first and second connecting surfaces without crossing each other. The backlight module includes a light guide plate, two LED light bars mounted to two respective light receiving edges of the light guide plate, and an aforesaid electrical connector connecting the LED light bars. The electrical connector is electrically connected with the LED light bars and fixes their relative positions. Besides, it is easy to install the electrical connector to connect the LED light bars firmly. | 03-14-2013 |
| 20130070479 | LINEAR LIGHT SOURCE DEVICE AND PLANAR LIGHT SOURCE DEVICE - A linear light source device comprises a wiring substrate in a rectangular shape and a wiring pattern formed thereon, a plurality of light emitting elements arranged on the wiring substrate in a longitudinal direction of the wiring substrate and connected with the wiring pattern on the wiring substrate, reflectors, each of which includes two parts having slope surfaces on one side and the other side facing each other in the longitudinal direction of each light emitting element, and which are separated from each other on the wiring substrate corresponding to the light emitting elements, respectively; and a sealing resin sealing the light emitting elements by burying a recession portion defined by a surface of the wiring substrate where the light emitting elements are arranged and the two slope surfaces, wherein the two parts of each of reflectors have convex portions on their upper surfaces, respectively. | 03-21-2013 |
| 20130077345 | PLANAR LIGHT SOURCE DEVICE AND ILLUMINATION APPARATUS - To provide a planar light source device that can provide large-area, uniform, and high-quality planar illumination light. | 03-28-2013 |
| 20130088890 | EDGE-LIT LUMINAIRE - An edge lit luminaire includes a light source. A housing has an interior cavity for receiving the light source. The housing includes a heat sink for directing heat away from the light source. At least one optional end cap is secured to an end of the housing that covers the cavity. A lightguide is secured inside the housing and has an edge located in proximity to the light source. At least one of a reflector and a lens (e.g., lens optic) directs light from the light source to the edge of the lightguide. The lightguide includes a light extraction surface enabling light to be transmitted from the lightguide. The housing can also feature a channel and slot for mounting the luminaire to a support surface. The lens optic can be designed to have specific dimensions that facilitate efficient design and operation of the luminaire. | 04-11-2013 |
| 20130094244 | LIGHT GUIDE PLATE AND METHOD FOR MANUFACTURING THE SAME - A light guide plate includes a light guide portion, and a number of light gathering portions. The light guide portion defines a plurality of openings. The light gathering portions are formed on the light guide portion. Each light gathering portion includes a light receiving part and a light reflecting part. The light receiving part partially surrounds one of the openings. The light reflecting part includes a sloping reflecting surface formed between the light receiving part and the light guide portion. | 04-18-2013 |
| 20130107570 | LED LAMP | 05-02-2013 |
| 20130107571 | DISPLAY APPARATUS | 05-02-2013 |
| 20130107572 | THIN ILLUMINATION SYSTEM | 05-02-2013 |
| 20130114295 | LED LIGHTING MODULE AND LIGHTING DEVICE COMPRISED THEREOF - A lighting module and lighting device are described. Embodiments of the lighting modules comprise light emitting diodes (LEDs), a power supply, and a waveguide that disperses light from the LEDs to illuminate a lighted side of the lighting module. In one embodiment, the lighting module comprises a substrate, on which the LEDs and power supply are mounted. The substrate includes an interface that permits the lighting module to communicate with an adjacent lighting module when positioned in an array that forms an LED lighting device. | 05-09-2013 |
| 20130114296 | LIGHT GUIDE APPARATUS AND ELECTRONIC DEVICE USING THE SAME - A light guide apparatus includes a light guide and at least one LED arranged beside the light guide. The light guide includes a first surface and a second surface opposite to the first surface. A scatter layer is attached on the first surface adjacent to the LED and configured to scatter light beams from the at least one LED, a reflective layer is attached on the second surface away from the LED and configured to reflect light beams from the at least one LED to the first surface. The light refracting out from the first surface achieves a homogeneous illumination effect via the diffuse of the scatter layer and the reflection of the reflective layer. | 05-09-2013 |
| 20130121025 | BACKLIGHT MODULE - A backlight module includes a light guide plate and a light emitting unit. The light guide plate has a first side surface, a second side surface, and a third side surface. The first side surface is located opposite to the second side surface. A height of the first side surface is greater than a height of the second side surface. The third side surface is located between the first side surface and the second side surface and has a light entrance surface and a light exit surface. The light entrance surface is connected to the first side surface and the light exit surface. The light exit surface is connected to the second side surface. An included angle is formed between the light entrance surface and the light exit surface. The light emitting unit is disposed on the light entrance surface. | 05-16-2013 |
| 20130121026 | DISPLAY DEVICE - According to one embodiment, a display device includes: a plurality of light guide units; a light source; a support substrate; a first electrode transmissive to light provided on the second major surface; a counter substrate opposed to the second major surface and provided away from the first electrode; a second electrode transmissive to light provided on a surface of the counter substrate opposed to the second major surface; and a plurality of spacers provided between the support substrate and the counter substrate and arranged between adjacent ones of the plurality of light guide units when projected onto a plane parallel to the first direction and the second direction. Optical characteristics in a region which is surrounded by adjacent ones of the spacers, the first electrode and the second electrode are changed by a voltage which is applied between the first electrode and the second electrode. | 05-16-2013 |
| 20130128612 | Backlight System - The present invention provides a backlight system, which includes a reflector plate, a light guide plate, and a back frame. The reflector plate and the light guide plate are stacked on the back frame and the back frame carries the light guide plate and the reflector plate. The back frame includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and lifting adhesive spots are formed between the reflector plate and the light guide plate. The backlight system of the present invention has a back frame having a simple structure, saves material for the back frame, and reduces the cost of the back frame so as to lower down the cost of flat panel display device. Further, the present invention arranges lifting adhesive spots between the reflector plate and the light guide plate so as to provide a lifting effect on the reflector plate and bond the reflector plate to the light guide plate, thereby alleviating the problem that easy collapse of the reflector plate occurring after assembling leads to poor quality of reflection and causes poor backlighting. | 05-23-2013 |
| 20130128613 | Backlight Module of Display Device - The present invention provides a backlight module of display device, which includes: a back panel, a reflection hood arranged on the back panel, a backlight source arranged on the reflection hood, a reflector board arranged on the back panel, a light guide plate arranged on the reflector board, and a plastic frame coupled to the back panel and the light guide plate. Light emitting from the backlight source is reflected by the reflection hood into the light guide plate. The reflection hood includes a reflection section, an abutment section connected to the reflection section, and a bearing section connected to the abutment section. The abutment section is positioned against the back panel. The backlight source is mounted on the bearing section. The bearing section is positioned on the back panel. The backlight module of display device according to the present invention provides a light reflection hood to replace manual mounting of reflection surface thereby eliminating the yield problem caused by manual mounting operation and ensuring completeness of light reflection of the backlight source and thus ensuring light emission efficiency of the light guide plate while improving heat transfer performance of the backlight source. | 05-23-2013 |
| 20130128614 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a wavelength converter, and a light emitter. The light guide plate includes a main body, a first extension portion, and a second extension portion. The first extension portion is connected to the main body. The second extension portion is connected to the first extension portion. The wavelength converter is disposed at a side of the main body. The wavelength converter has an incident surface. The incident surface faces away from the main body. The first extension portion abuts against a sidewall of the wavelength converter. The second extension portion abuts against the incident surface. The light emitter is disposed at a side of the light guide plate. | 05-23-2013 |
| 20130128615 | BACKLIGHT MODULE AND OPTICAL PLATE THEREOF - A backlight module includes a light guide board, at least one light emitting unit, a plurality of first glues, and a first reflection sheet. The light guide board has a light entrance surface, a light exit surface, and at least one reflection surface. The reflection surface is connected to the light entrance surface and the light exit surface respectively. The light emitting unit is disposed at the light entrance surface of the light guide board. The plurality of first glues is alternatively disposed on the reflection surface in a from-sparse-to-dense manner. The first reflection sheet is disposed on the plurality of first glues such that the first reflection sheet can be fixed onto the reflection surface. | 05-23-2013 |
| 20130135896 | PLANAR LIGHT SOURCE DEVICE AND METHOD OF MANUFACTURING SAME - A planar light source device, comprising: a light guide plate, with its upper surface and lower surface as a first surface and a second surface; at least a light strip, on which is provided with a plurality of light-emitting-diodes (LEDs), said light strip is located on a side of said light guide plate, and said LEDs are disposed in said light guide plate to emit light; a reflective plate, disposed outside said second surface to reflect light; and a diffusion plate, disposed outside said first surface to scatter light reflected by said reflective plate. Since in manufacturing said light guide plate, said light-emitting-diodes (LEDs) are placed in a mold in advance, so that LEDs and said light guide plate form integrally, hereby avoiding lose of light, and raising efficiency of said planar light source device. | 05-30-2013 |
| 20130135897 | BACK LIGHT UNIT - A backlight unit is provided. The backlight unit includes a light guide panel for guiding light, one or more light sources installed at one side surface of the light guide panel, a reflector sheet installed on a bottom surface of the light guide panel, and an optical sheet installed on a top surface of the light guide panel. A plurality of grooves and pump mountains around the grooves are formed on a top surface of the reflector sheet. | 05-30-2013 |
| 20130135898 | PLANAR ILLUMINATION DEVICE AND METHOD OF PRODUCING SAME - A planar illumination device includes a light source unit, including a substantially planar emitting surface, configured to emit light to illuminate a substantially planar object, and a frame, formed in a frame shape enclosing the light source unit, disposed on an outer circumferential side of the light source unit, configured to hold the light source unit. The frame includes a reflecting part configured to reflect the light, and an absorbing part, formed integral with at least a part of an outer circumferential surface of the reflecting part, configured to absorb the light. The reflecting part and the absorbing part include joint interface therebetween that is inclined to a direction vertical to the emitting surface. | 05-30-2013 |
| 20130135899 | ELECTRONIC DEVICE - An electronic device including a display is provided. The display is disposed above a being illuminated surface to illuminate the being illuminated surface. The display has a first light exiting area and a second light exiting area, wherein illumination of the being illuminated surface contributed by the first light exiting area is smaller than illumination of the being illuminated surface contributed by the second light exiting area. | 05-30-2013 |
| 20130155719 | LIGHTGUIDE AS LUMINAIRE - A lightguide functioning as a luminaire. The luminaire includes at least one solid state light source, such as an LED, and a lightguide configured to receive light from the solid state light source. Light from the light source is coupled into the lightguide and transported within it by total internal reflection until the light exits the lightguide. A shape of the lightguide causes and directs extraction of the light. The shape can also be used to create a particular pattern of the extracted light. | 06-20-2013 |
| 20130155720 | ILLUMINATING DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVING DEVICE - Provided is an illuminating device capable of uniformalizing intensity distribution in a plane of light that is emitted to the outside even when a light source includes a non-emitting portion or a low reflective portion. The illuminating device includes alight source including a plurality of light-emitting elements, and a light guide member including an entrance face opposing the light source, from which light emitted from the light source enters the inside of the light guide member, wherein the light source includes a non-emitting portion where the light-emitting elements are not disposed, and wherein light projected from a portion of the light source, the portion being close to the non-emitting portion, onto the entrance face of the light guide member is higher in intensity than light projected from the other portion of the light source onto the entrance face of the light guide member. | 06-20-2013 |
| 20130163279 | BACKLIGHT MODULE - A backlight module including a light guide plate and a light source is provided. The light guide plate has a light incident surface, a light reflection surface, a first side surface and a second side surface. The light incident surface is connected to the second side surface. The reflection surface is connected between the first side surface and the light incident surface. The first and the second side surfaces are two planes with their extending planes intersected. The light incident surface is a chamfering plane connected between the first and the second side surfaces. The light reflection surface is a cambered surface connected between the first side surface and the light incident surface. The light source is disposed next to the light incident surface, so as to transmit light into the light guide plate through the light incident surface. | 06-27-2013 |
| 20130163280 | LIGHT GUIDE DEVICE AND ILLUMINATION MODULE USING THE SAME THEREOF - An illumination device comprising a light guide bar, a light source and a reflective sleeve is provided. The light guide bar comprises a first end surface, a second end surface, and a cylindrical surface. The cylindrical surface is disposed between the first end surface and the second end surface and has a light-emitting surface and a reflective surface. The light source is disposed at the outside of the first end surface of the light guide bar. The reflective sleeve covers the second end surface of the light guide bar and has a reflective cavity, which tapers inward to form a vertex angle. A part of the incident light of the light source is reflected to the light-emitting surface via the reflective surface by the reflective cavity or directly reflected to the light-emitting surface by the reflective cavity. | 06-27-2013 |
| 20130170249 | LED Backlight Module Structure for Increasing Process Yield - LED backlight module structure for increasing process yield comprises a housing, a copper circuit layer, a plurality of LED chips, a plurality of solder paste overflow prevention members, a light guide plate, and a bottom reflector. In the present invention, it mainly disposed the solder paste overflow prevention members between the LED chips and the copper circuit layer, therefore, the solder paste overflow phenomenon is prevented when using a pressing fixture to assist in executing the welding process of LED chips, and it ensures that the soldering pins of the LED chips would not electrically connect to each other due to the solder paste overflow phenomenon. Moreover, a position limiting band can be further disposed on the copper circuit layer for receiving and fixing the LED chips, in addition, the position limiting band is helpful to the LED chips in heat dissipation when the LED chips emit light. | 07-04-2013 |
| 20130170250 | LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE - A light guide plate includes an incident surface on which light outputted from point light sources is incident and an outgoing surface for outputting light incident from the incident surface. A reflection-and-propagation surface for reflecting light toward the outgoing surface is formed in a back surface opposite to the outgoing surface. The outgoing surface is made up of a propagation region adjacent to the incident surface, a propagation auxiliary region adjacent to the propagation region, a first diffusion-and-propagation region adjacent to the propagation auxiliary region, and a second diffusion-and-propagation region adjacent to the first diffusion-and-propagation region. The propagation region, the propagation auxiliary region, and the first diffusion-and-propagation region control hot spots and bright/dark lines in vicinities of the incident surface, while the second diffusion-and-propagation region controls viewing-angle characteristics of the light guide plate. | 07-04-2013 |
| 20130201721 | LIGHT SOURCE MODULE - A light source module including a light guide plate, a light-collecting structure and a light emitting device is provided. The light guide plate has a first light emitting surface, a bottom surface, a first light incident surface connecting with the bottom surface and the first light emitting surface, and an optical microstructure unit. The optical microstructure unit includes at least two optical microstructures. Each optical microstructure has a recessing part and a protruding part on the bottom surface. The light-collecting structure has a second light emitting surface connecting with the first light incident surface, a second light incident surface and a reflecting surface connecting with the second light emitting surface and the second light incident surface. A sectional line obtained by sectioning the reflecting surface along a first reference plane includes a first parabola. The reference plane is parallel to the first light emitting surface. | 08-08-2013 |
| 20130208503 | Backlight Module - The present invention provides a backlight module, which includes a backboard, a light bar mounted on the backboard, and a thermo-sensitive heat conduction material interposed between the backboard and the light bar. The thermo-sensitive heat conduction material functions to automatically adjust thermal conductivity coefficient with variation of temperature so that different portions of the light bar have different thermal conductivity coefficients in order to control the temperature of the whole light bar in a predetermined range to ensure desired performance of thermal conduction and further ensuring temperature uniformity of the whole backlight module and preventing the occurrence of luminance lowering of the whole backlight module due to excessive local high temperature. | 08-15-2013 |
| 20130208504 | Backlight Module - A backlight module includes a backboard, a reflection plate mounted inside the backboard, a light guide board arranged on the reflection plate, and an optic film arranged on the light guide board. The light guide board includes a main body and a plurality of upper and lower positioning pegs projecting from upper and lower surfaces of the main body. The optic film forms first positioning holes corresponding to the upper positioning pegs. The reflection plate forms second positioning holes corresponding to the lower positioning pegs. The backboard forms positioning channels corresponding to the lower positioning pegs. The first positioning holes of the optic films are fit over the upper positioning pegs of the light guide board and the lower positioning pegs are respectively set through the second positioning holes of the reflection plate to be received in the positioning channels of the backboard. | 08-15-2013 |
| 20130208505 | Backlight Module - A backlight module includes a backboard, a light guide board arranged inside the backboard, and a side reflection plate arranged inside the backboard. The backboard includes a bottom plate and a plurality of side plates connected to the bottom plate. The light guide board includes a bottom surface facing the bottom plate, a top surface distant from the bottom plate, and a plurality of side surfaces connecting between the bottom surface and the top surface. The plurality of side surfaces comprises a plurality of passive light exit surfaces. The side reflection plate is made of an elastic material. The side reflection plate is positioned against both one of the passive light exit surfaces of the light guide board and one of the side plates of the backboard that opposes said one of the passive light exit surfaces. | 08-15-2013 |
| 20130208506 | LIGHT GUIDE DEVICE - A light guide device is provided. The light guide device includes a light guide plate and a light source. The light guide plate includes an incident plane, a bottom plane and a top plane. The bottom plane includes a reflective plane and an inclined bottom plane, wherein the inclined bottom plane connects the bottom of the incident plane and the reflective plane, and the inclined bottom plane is inclined relative to the reflective plane. The top plane includes an inclined top plane, a light-emitting plane and a connecting plane, wherein the inclined top plane connects the top of the incident plane and the connecting plane, the connecting plane connects the inclined top plane and the light-emitting plane, and the inclined top plane is inclined relative to the connecting surface. Furthermore, the light source is located next to the incident plane. | 08-15-2013 |
| 20130223097 | BACKLIGHT MODULE - An exemplary illuminating apparatus includes a light guiding plate, a light source facing a light input surface of the light guiding plate, and a complementary color element adjacent to the light source. The light source comprises a number of LEDs which emit light with at least two wavelengths. The at least two wavelengths light mix with each other to gain a white light. The complementary color element is configured for receiving light emitted from adjacent, outmost LED and converting the light into white light. The white light is reflected by the complementary color element and emits from the light guiding plate through the light output surface. The complementary color element includes a plurality of first and second complementary color zones arranged alternatively and in a line. | 08-29-2013 |
| 20130229826 | BACKLIGHT MODULE - A direct-type backlight module includes a light guiding plate, a light source facing a light input surface of the light guiding plate, a complementary color element adjacent to the light source, and an enclosure. The light source comprises a number of LEDs which emit light with at least two wavelengths. The at least two wavelengths light mix with each other to gain a white light. The complementary color element is configured for receiving light emitted from adjacent, outmost LED and converting the light into white light. The white light is reflected by the complementary color element and emits from the light guiding plate through the light output surface. The LEDs are mounted on a base of the enclosure and arranged in an array. | 09-05-2013 |
| 20130229827 | LIGHTING DEVICE AND DISPLAY DEVICE - A lighting device includes: light-emitting diodes (light sources) ( | 09-05-2013 |
| 20130235615 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING SAME - A light guide plate includes a main body and a number of semi-cylindrical shaped protrusions. The main body includes a light incident surface and a top surface perpendicular to the light incident surface. The top surface includes a light emitting area and a fringe area surrounding the light emitting area. The protrusions are continuously distributed on the light incident surface. Each protrusion includes two semicircular end surfaces opposite to each other, a plane fixed surface fixed on the light incident surface, and an arc-shaped peripheral surface. The diameter of the end surfaces is less than 1 millimeter. The length of each protrusion along its central axis is substantially equal to the thickness of the light incident surface along a direction perpendicular to the top surface. | 09-12-2013 |
| 20130242606 | PLANE ILLUMINATION APPARATUS AND BACKLIGHT APPARATUS - A plane illumination apparatus has an optical device, an irradiation unit to irradiate the coherent light beams to the optical device. The irradiation unit makes the coherent light beams scan the surface of the optical device by changing propagation directions of the coherent light beams, the light guide plate comprises a light take-out portion specific zone to take out coherent light beams to outside while making coherent light beams propagate between a first end face on which coherent light beams from the optical device are incident and a second end face that is provided to face the first end face, and the specific zone is provided inside the light take-out portion or along the first end face, or along the second end face. | 09-19-2013 |
| 20130258710 | Slim Frame Backlight Module - The present invention provides a slim frame backlight module, which includes a backplane, a backlight source arranged inside the backplane, a side reflector plate arranged inside the backplane, and a light guide plate arranged inside the backplane. The light guide plate includes a bottom surface, a top surface opposite to the bottom surface, and at least one light incident surface connecting between the bottom surface and the top surface. The light incident surface is set inwardly inclined with respect to the top surface, so that the light incident surface and the top surface form therebetween an included angle less than 90°. Light emitting from the backlight source can be reflected by the side reflector plate to the light incident surface or is directly projected to the light incident surface to transmit through the light incident surface into the light guide plate. | 10-03-2013 |
| 20130272025 | LIGHTING DEVICE AND COVE LIGHTING MODULE USING THE SAME - A lighting device and a cove lighting module are provided. The lighting device includes a shell body, at least one light emitting diode element, and at least one light guide plate. The light emitting diode element and the light guide plate are disposed in the shell body. The light guide plate is disposed adjacent to the light emitting diode element to enable light emitted by the light emitting diode element to enter the light guide plate through a light incident surface of the light guide plate and to exit from the light guide plate through a light emitting surface of the light guide plate. The cove lighting module includes a light-receiving object and the lighting device, wherein the light-receiving object has an opaque surface. In the cove lighting module, the light exiting from the light guide plate is directly emitted to the opaque surface of the light-receiving object. | 10-17-2013 |
| 20130272026 | LATERAL LIGHT SOURCE PROCESSING MODULE AND LIGHTING DEVICE WITH THE SAME - A lateral light source processing module and a lighting device with the lateral light source processing module are provided. The lateral light source processing module includes a first surface and a second surface opposed to the first surface. In addition, plural saw-toothed structures are formed on the second surface. An included angle between any surface of any saw-toothed structure and a normal line perpendicular to the first surface is a specified angle. Consequently, the light beams projected on the saw-toothed structure are subject to total internal reflection. According to the specified angle, the reflected light beams are propagated along a corresponding direction. | 10-17-2013 |
| 20130286680 | Light Guide Plate and Backlight Module Containing Same - The present invention provides a light guide plate and a backlight module containing the light guide plate. The light guide plate includes a plate body and a metal layer formed on the plate body. The plate body includes a bottom face, a top face opposite to the bottom face, and a plurality of side faces between the bottom face and the top face. The metal layer is formed on at least one side edge of the top face. The metal layer shows reflectivity of which difference is less than 20% for lights having wavelength between 380-780 nm. The light guide plate uses the metal layer formed on the top face to reflect light back into the light guide plate to confine the light within the light guide plate so as to prevent light leakage and ensure light intensity and homogeneity of the light guide plate. | 10-31-2013 |
| 20130286681 | Light Guide Plate and Backlight Module Containing Same - The present invention provides a light guide plate and a backlight module containing the light guide plate. The light guide plate includes a plate body and a coating layer formed on the plate body. The plate body includes a bottom face, a top face opposite to the bottom face, and a plurality of side faces between the bottom face and the top face. The coating layer is formed on at least one side edge of the top face. The coating layer has a refractive index that is greater than or equal to 1 and less than refractive index of the plate body. The light guide plate uses the coating layer formed on the top face to reflect light back into the light guide plate to confine the light within the light guide plate so as to prevent light leakage and ensure light intensity and homogeneity of the light guide plate. | 10-31-2013 |
| 20130286682 | LIGHTING DEVICE AND BACK LIGHT MODULE THEREWITH - A lighting device and a back light module therewith are disclosed. The back light module includes a light-guiding structure and a lighting device. The light-guiding structure includes two light-guiding parts and a reflection sheet disposed therebetween. The lighting device is disposed close to the light-guiding structure and includes an insulation carrier and two light sources disposed on the insulation carrier. The insulation carrier includes a positioning groove structure where an edge of the reflection sheet is disposed such that the two light sources correspond to the two light-guiding parts respectively and light emitted by the two light sources is capable of entering the corresponding light-guiding parts. Thereby, the invention uses the single-structure lighting device to simultaneously provide required light to the two light-guiding parts respectively, and uses the positioning structure formed on the lighting device to improve the assembly preciseness of the light-guiding structure with the lighting device. | 10-31-2013 |
| 20130286683 | PLANE ILLUMINATION APPARATUS AND BACKLIGHT APPARATUS - A plane illumination apparatus has an optical device, an irradiation unit, and a light guide plate. The irradiation unit makes the coherent light beams scan the surface of the optical device, the light guide plate comprises a light take-out portion to take out coherent light beams to outside while making coherent light beams propagate between a first end face on which coherent light beams from the optical device are incident and a second end face provided to face the first end face, the specific zone is provided inside the light take-out portion or along the first end face, or along the second end face, the light take-out surface is a third end face that is connected to the first and second end faces, and the irradiation unit is provided at a rear side of a fourth end face that is an opposite side to the light take-out surface. | 10-31-2013 |
| 20130301294 | LIGHT GUIDE MEMBER, BACKLIGHT MODULE AND METHOD FOR MAKING LIGHT GUIDE MEMBER - A light guide member includes an optical fiber layer and a light diffusion layer formed on the optical fiber layer. The optical fiber layer has a light incident side surface, the optical fibers are parallel with each other, and ends of the optical fibers are exposed to the light incident side surface. The light diffusion layer has a number of light scattering particles dispersed therein. The light diffusion layer has a light output top surface, and the light output top surface has a number of netted dots configured for diffusing light. Light enters the optical fibers and transmits through a wall of the optical fibers to reach at the light diffusion layer and finally output from the light output top surface of the light diffusion layer. A backlight module and a method for making the light guide member are also provided. | 11-14-2013 |
| 20130301295 | PLANAR LIGHTING DEVICE - The invention provides a planar lighting device in which a reduction in light use efficiency based on the expansion and contraction or warpage of the light guide plate due to the heat or moisture absorption and the deformation of the light guide plate due to the vibration or the like is prevented, and also entering light is guided to the depths of the light guide plate to realize uniform illumination. The object is attained by providing the planar lighting device with a plurality of fixing spring members that press and hold the light guide sheet and light source units in a direction perpendicular to the light exit surface of the light guide sheet, that have elasticity in a direction perpendicular to the light exit surface, and that are arranged in a longitudinal direction of the light incidence surface of the light guide sheet. | 11-14-2013 |
| 20130308338 | LED CUP LAMP WITH LIGHT GUIDE - The present invention discloses an LED lamp which has a light guide with a total internal reflection (TIR) surface. A light modification layer comprising either a pure component or a mixture of the component selected from a group consisted of a yellow phosphor, a red phosphor, a green phosphor, a blue phosphor, and a reflective material is optionally adopted. The light beam is modified by the light modification layer before going out of the lamp. A blue light is one of the candidates which can be adopted as the light source. | 11-21-2013 |
| 20130308339 | Directional backlight - Disclosed is a light guiding valve apparatus including at least one transparent stepped waveguide optical valve for providing large area collimated illumination from localized light sources, and at least one further illumination source. A stepped waveguide may be a stepped structure, where the steps include extraction features hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Such controlled illumination may provide for efficient, multi-user autostereoscopic displays as well as improved 2D display functionality. Light from a separate illumination source may pass through the transparent stepped waveguide optical valve to provide at least one further additional illumination function. | 11-21-2013 |
| 20130322116 | Light collimator and lighting unit comprising such light collimator - The invention provides a light collimator ( | 12-05-2013 |
| 20130329457 | Light Guide Plate and Backlight Module Using Same - The present invention provides a light guide plate and a side-edge backlight module using the light guide plate. The light guide plate includes a plurality of air barrier walls formed therein. The air barrier walls divide the light guide plate into a plurality of sections. With the arrangement of air barrier walls between independent sections of the light guide plate according to the present invention, by means of total reflection, light incident into each independent section is blocked from penetrating through the air gaps and is thus confined within the independent section. Thus, brightness sectioning and independent control of sectionalized brightness of the light guide plate can be realized and improved light isolation result, improved yield, being mass producible, and low cost can be achieved. The side-edge backlight module uses the light guide plate so as to realize brightness sectioning and independent control of sectionalized brightness of the backlight module. | 12-12-2013 |
| 20130329458 | Light Guide Plate and Manufacturing Method Thereof and Backlight Module Using Same - The present invention provides a light guide plate and a manufacturing method thereof and a side-edge backlight module using the light guide plate. The light guide plate includes a plurality of reflective separation walls arranged therein. The reflective separation walls divide the light guide plate into a plurality of sections. The reflective separation walls have surfaces forming mirror surfaces. The light guide plate includes reflective separation walls respectively arranged between independent sections to have light traveling from an independent section toward the reflective separation wall reflected back into the independent section and thus confined within the independent section. Thus, brightness sectioning and independent control of sectionalized brightness of the light guide plate can be realized and improved light isolation result can be achieved. With such a method, manufacturing a light guide plate comprising reflective separation walls is easy, has improved yield rate, is mass producible, and is of low cost. | 12-12-2013 |
| 20130329459 | BLADE OF LIGHT LUMINAIRE - A luminaire comprising a rectangular waveguide is provided. The waveguide includes four sides and opposed planar surfaces. A light module directs light into only one of the sides at least. One of the planar surfaces includes a specular reflection surface directing light to exit through the opposed planar surface. | 12-12-2013 |
| 20130336004 | FLEXIBLE LIGHT PIPE - A flexible light assembly includes a plurality of light guides that may be operably connected to one or more LED light sources. The light guides may include smooth surfaces that internally reflect light except at selected areas having irregular surface features that permit the escape of light to provide illuminated letters, numbers, designs, or the like. The light guides and LED light source may be disposed within a flexible housing. | 12-19-2013 |
| 20130343083 | LIGHT GUIDE PLATE AND SIDE-EDGE BACKLIGHT MODULE USING SAME - The present invention provides a light guide plate and a backlight module using the light guide plate. The light guide plate has an upper surface forming upper micro-structures and a lower surface forming lower micro-structures. The upper and lower micro-structures are set parallel to propagation direction of the light that emits from a backlight source traveling within the light guide plate. The upper and lower micro-structures each include a plurality of periodically and successively juxtaposed strip-like units. Each of the strip-like units forms a prism. The strip-like units of the upper and lower micro-structures are juxtaposed in the same direction. With the combination and arrangement of the upper micro-structures and lower micro-structures, collimation of light is improved after the light from an LED light source enters the light guide plate so as to improve convergence of the light inside a section. | 12-26-2013 |
| 20130343084 | SURFACE ILLUMINATION DEVICE - A surface illumination device has a light source and a light guide plate having a light-emitting surface. The light guide plate guides light from the light source such that the light is emitted from a display region of the light-emitting surface. A plurality of first deflection patterns having deflection inclined surfaces and a plurality of second deflection patterns having deflection inclined surfaces are formed in the display region in at least one of the light-emitting surface of the light guide plate and an opposite surface to the light-emitting surface. When viewed from a direction perpendicular to the light-emitting surface of the light guide plate, the first deflection pattern is disposed such that an angle formed by a line normal to the deflection inclined surface and a direction connecting the light source and the first deflection pattern is less than or equal to 30°. | 12-26-2013 |
| 20140003088 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME | 01-02-2014 |
| 20140003089 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME | 01-02-2014 |
| 20140009961 | WHITE REFLECTIVE FILM FOR EDGE-LIGHT TYPE BACKLIGHT, AND LIQUID CRYSTAL DISPLAY BACKLIGHT USING SAME - A white reflective film for an edge light backlight improves the luminance and unevenness therein, avoids uneven close contact with, and scraping of, the light guide plate, and minimizes the crushing of convexes formed on at least one side, even in cases where the reflective film is laid directly over a corrugated chassis designed to house circuitry or the reflective film is used in combination with LEDs. The film satisfies (i) to (iii): (i) a stiffness of 2 to 10 mN·m; (ii) convexes have been formed on at least one face (A), and their maximum height is 5 to 60 μm; (iii) the convexes contain an aromatic polyester. | 01-09-2014 |
| 20140036533 | DUAL MODE LCD BACKLIGHT - LCD backlighting systems, and particularly LCD backlighting systems used in connection with night vision systems, may be configured to achieve reduced cost, reduced volume, and other desirable outcomes by use of a dual-mode configuration. In a dual-mode configuration, certain light sources are active in both day mode and night mode operation. Night mode light sources may be IR filtered in order to prevent disruption of operation of night vision equipment. | 02-06-2014 |
| 20140043852 | EDGE-ILLUMINATION TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY USING THE SAME - Providing is an edge-illumination type backlight module, comprising a light guide bar comprising a light incident surface and a light exiting surface; a light source device for emitting a light to the light incident surface; a light guide plate comprising a light emitting surface and a light entrance surface, wherein the light emitting surface is disposed on a surface of the light guide plate, the light entrance surface is disposed at a lateral surface of the light guide plate, the light guide plate is adjacent to the light guide bar, the light exiting surface of the light guide bar faces to the light entrance surface of the light guide plate, and the light emitting surface of the light guide plate is vertical to a light emitting direction of the light source device; and an optical film disposed on the light emitting surface of the light guide plate. | 02-13-2014 |
| 20140043853 | LED LAMP FOR LIGHTING - A LED illumination lamp extending substantially along and about an axis, and having: a LED light source located substantially along the axis; a light diverting optical element located substantially in front of the light source, along the axis, and designed to laterally divert the light impinging substantially axially on the optical element; and an optical guide plate surrounding the optical element and the axis, and having a seat housing the light source and the optical element; the plate extending along the axis, between two opposite faces respectively defining a front light-exit surface, and a rear active surface having a number of circumferential annular projections spaced radially apart and concentric with the axis. | 02-13-2014 |
| 20140049982 | BACKLIGHT ASSEMBLY - A backlight assembly includes: a light guide; a light source at one side of the light guide and separated from the light guide; a circuit board on which the light source is mounted; and a buffer member between the light guide and the circuit board. An opening is defined in the buffer member and exposes the light source. | 02-20-2014 |
| 20140056025 | DISPLAY DEVICE - A display device includes a display panel. The display device further includes a light source attached to a surface of the display panel. The display device further includes a light guide overlapping the display panel. | 02-27-2014 |
| 20140056026 | LOW PROFILE LUMINAIRE WITH LIGHT GUIDE AND ASSOCIATED SYSTEMS AND METHODS - A low profile luminaire to be carried by a lighting fixture. The luminaire may include a light source that comprises light-emitting diodes (LEDs), a heat sink thermally coupled to and disposed diametrically outboard of the light source, a reflector in optical communication with and disposed diametrically inboard of the light source, and a light guide in optical communication with at least one of the light source and the reflector and disposed therebetween. Light emitted from the light source may be reflected by the reflector into an edge of the light guide. Light propagating through the light guide may be projected into the environment at a uniform luminance. The luminaire may be dimensioned to cover a nominally sized four-inch can light fixture and/or electrical junction box. A method aspect of the invention details steps for assembling the low profile luminaire with light guide. | 02-27-2014 |
| 20140063844 | BACKLIGHT MODULE AND LIQUID DISPLAY DEVICES WITH THE SAME - A backlight module and a liquid crystal device are disclosed. The backlight module includes a plastic frame, an aluminum extrusion, and a light guiding plate. The plastic frame and the aluminum extrusion prohibit the light guiding plate from moving in an up and down direction. Wherein the light guiding plate is disposed on the aluminum extrusion. The light guiding plate includes a body, and a first position portion extends along the body towards the aluminum extrusion. The aluminum extrusion includes a position slot corresponding to the first position portion, and the first position portion closely engages with the first position slot. The backlight module and the liquid crystal device fix the light guiding plate by engaging the light guiding plate, the aluminum extrusion, and the plastic frame so that the light guiding plate is stably fixed and the light coupling is stable. | 03-06-2014 |
| 20140063845 | LIGHT-GUIDING PLATE AND PLANE ILLUMINATION APPARATUS THEREWITH - A light-guiding plate and a plane illumination apparatus therewith are disclosed. The plane illumination apparatus includes the light-guiding plate and at least one light-emitting source. The light-guiding plate includes a light incident surface, a first surface opposite to the light incident surface, a second surface between the light incident surface and the first surface, and a light emitting surface opposite to the second surface. The second surface is coated with diffuse reflection layer. The first surface gradually extends substantially toward the light incident surface from its one side near to the second surface to the other side near to the light emitting surface. The light-emitting source is disposed corresponding to the light incident surface for providing a light beam. | 03-06-2014 |
| 20140063846 | SURFACE LIGHT SOURCE DEVICE AND EDGE-LIT TYPE BACKLIGHT MODULE - The invention provides a surface light source device and an edge-lit type backlight module. The surface light source device comprises: a luminant, a bottom reflector plate, a light leaking plate and a plurality of side reflector plates, wherein the bottom reflector plate and the plurality of side reflector plates form a light guide box with an upper opening, the luminant is disposed on at least one of the plurality of side reflector plates, the light leaking plate is disposed in the upper opening of the light guide box, such that light from the luminant is transformed into an exiting surface light via the light leaking plate. | 03-06-2014 |
| 20140063847 | LIGHT EMITTING APPARATUS - A light emitting apparatus in which light of different colors can be irradiated depending on the locations of a light guide member used in the light emitting apparatus and in accordance with the environment of a facility or a user's demand, a light source member includes a plurality of light source members each with one or more light sources, and adjacent light source parts emitting light of different colors with each other. The light guide member includes a recess which is formed between the respective input surfaces through which the light from the corresponding light source parts is input and which has a recess side surface that reflects at least some of the light input through the input surfaces; a plurality of extension parts that respectively guide mainly the light input from the corresponding light source parts through the input surfaces; and a cutout portion formed between the extension parts. | 03-06-2014 |
| 20140085926 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane and corresponding to the backlight source, a plurality of positioning units arranged between the backplane and the light guide plate, a reflector plate arranged between the backplane and the light guide plate and mounted to the positioning units, and optic films arranged on the light guide plate. The positioning units each have an end fixed to the light guide plate, an opposite end fixed to the backplane, and an intermediate portion which is provided with a positioning section. The reflector plate is mounted to the positioning sections so that the light guide plate and the reflector plate form therebetween a gap. The gap helps preventing the light guide plate and the reflector plate from contacting and rubbing each other. | 03-27-2014 |
| 20140085927 | LINEAR LIGHT SOURCE AND PLANAR LIGHT SOURCE - A linear light source includes a plurality of LED chips that are linearly arranged along a first direction, and a reflector including a first tapered sidewall sandwiching the LED chips in the first direction and a second tapered sidewall sandwiching the LED chips in a second direction intersecting with the first direction. The LED chips are surrounded by first tapered sidewall and second tapered sidewall, and the second tapered sidewall is lower than the first tapered sidewall. | 03-27-2014 |
| 20140092630 | Backlight Structures and Assemblies for Electronic Device Displays - Electronic devices may include displays. A display may include backlight components such as a light guide plate that distributes light from a light source across the display. The light source may include a plurality of light-emitting diodes mounted on a printed circuit substrate. A portion of the light guide plate may be attached to the printed circuit substrate using adhesive. The adhesive may be a supported adhesive that includes a lining of reflective material. A reflective coating such as a layer of white coverlay may be formed on the surface of the printed circuit substrate and may be configured to reflect light into the light guide plate. The reflective coating may serve as a solder mask. The printed circuit substrate may be attached to a metal display chassis using adhesive. A shim may be used to raise the height of the light source relative to the printed circuit substrate. | 04-03-2014 |
| 20140104875 | BACKLIGHT MODULE - The present invention provides a backlight module, which includes a backplane, a light source arranged inside the backplane, a reflector plate arranged inside the backplane, a light guide plate arranged on the reflector plate, and a mold frame mounted to the backplane. The light source is connected by an electrical wire to an external circuit. The backplane forms a carrier section that carries the electrical wire. The mold frame forms a receiving channel corresponding to the location of the electrical wire. The electrical wire is positioned between the carrier section and the receiving channel. The backlight module includes a backplane forming a carrier section and a mold frame forming a receiving channel so that an electrical wire is positioned between the carrier section and the receiving channel to prevent the problem of damage of a light source caused by mounting the electrical wire that is found in the known techniques. | 04-17-2014 |
| 20140104876 | LIGHT-GUIDING PLATE, LIGHT-EMITTING MODULE AND DISPLAY APPARATUS - A light-emitting module comprises a light-guiding plate, a plurality of light-guiding elements and a light-emitting unit. The light-guiding plate guides the light direction and has at least an incident surface and two opposite surfaces. The light-guiding elements are disposed on one of the surfaces of the light-guiding plate, and each include a rough surface having a maximum roughness larger than zero micron and less than or equal to 20 microns. The light-emitting unit is disposed to the incident surface of the light-guiding plate. The light emitted by the light-emitting unit is applied to the light-guiding plate, and then, by the guiding of the light-guiding plate and the light-guiding elements, is outputted through one of the surfaces of the light-guiding plate in an alternate form of bright and dark zones. The invention also discloses a light-guiding plate and a display apparatus. | 04-17-2014 |
| 20140104877 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit includes a light guide plate; a light emitting unit configured to irradiate light toward a side portion of the light guide plate, the side portion comprising an upper side part and a lower side part; and a light controller of which at least a portion is in at least one from among the upper and the lower side parts of the side portion of the light guide plate. The light controller includes a first region overlapping the light guide plate and a second region not overlapping the light guide plate, and a reflectivity of the first region is different from a reflectivity of the second region. | 04-17-2014 |
| 20140119051 | LIGHT MIXING ELEMENT, LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE - A light mixing element in a shape of a prism, and a cylinder of the prism of the light mixing element includes a first light-emitting inclined surface, a second light-emitting inclined surface, a bottom surface, a incident surface and a reflecting inclined surface; one side of the second light-emitting inclined surface is connected with one side of the first light-emitting inclined surface to form a top angle; the bottom surface is arranged opposite to the top angle; the incident surface is connected between one side of the bottom surface and the other side of the first light-emitting inclined surface; and the reflecting inclined surface is connected between the other side of the bottom surface and the other side of the second light-emitting inclined surface and arranged opposite to the incident surface and the first light-emitting inclined surface. | 05-01-2014 |
| 20140126239 | ILLUMINATION TECHNIQUES AND DEVICES - Techniques are disclosed for extracting light from within a lightguide by providing therein a plurality of internal light extraction features. A broad range of internal light extraction feature configurations (e.g., geometries/shapes, materials, refractive index changes, etc.) can be provided, and a variety of processes/techniques (e.g., 3-D printing, laser cutting/etching, injection molding, embossment, layer stacking, extrusion, etc.) can be used to do so. The features can be configured to achieve any desired set of photometric performance criteria (e.g., single/double-sided emission, optical efficiency, energy efficiency, spatial/angular luminance distribution, intensity gradients, etc.) for a given lightguide-based fixture/device. In some cases, internal and surficial light extraction features can be used together to extract light. Also, a wide variety of lighting fixtures/devices (e.g., panels, bulbs, tubes, rings, containers, three-dimensional structures/sculptures, multi-layered, multi-sectioned, etc.) can be produced using the disclosed techniques. In some cases, transparent/semi-transparent devices can be produced. | 05-08-2014 |
| 20140126240 | Light-Emitting Unit, Backlight Module and Display Device - The invention discloses a light-emitting unit, comprising a backplane and a light source provided on the backplane. The light source includes a plurality of sub light sources. The light-emitting unit further comprises light reflecting structures provided between the sub light sources. The light reflecting structures are configured to reflect the light radiating thereon from the sub light sources into the light-emitting direction of the light-emitting unit. Accordingly, the invention discloses a backlight module including the light-emitting unit and a display device including the backlight module. The backlight module in the invention is not only capable of improving a Hotspot phenomenon, but also capable of preventing the light source in the light-emitting unit from directly contacting with a light guide plate. | 05-08-2014 |
| 20140133178 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A display device includes a backlight unit generating light and a display panel displaying an image using the light from the backlight unit. The backlight unit includes a circuit board, a plurality of light emitting devices, a light guide member including a light incident surface, and a guide member disposed between a surface of the circuit board and the light incident surface. The guide member uniformly maintains a distance between the light incident surface and the light emitting devices. Thus, a light loss is reduced. | 05-15-2014 |
| 20140140094 | LIGHT SOURCE DEVICE, DISPLAY UNIT, AND ELECTRONIC APPARATUS - A display unit includes a display section, and a light source device. The light source device includes: one or a plurality of first light sources each configured to emit first illumination light; and a light guide plate having a first end surface, a second end surface, and a plurality of scattering regions, and scattering the first illumination light in the scattering regions to emit the light to outside, the first end surface and the second end surface being opposed to each other, and the scattering regions being provided with a constant density and a uniform shape in a predetermined region between the first and second end surfaces. The first light sources are arranged to face at least the first end surface, and an inclined section guiding the first illumination light to the predetermined region is provided between the first light sources and the predetermined region of the light guide plate. | 05-22-2014 |
| 20140140095 | ILLUMINATION DEVICE AND DISPLAY DEVICE - Provided is an illumination device for obtaining planar light having satisfactory uniformity and suppressed brightness irregularities. A backlight unit (illumination device) ( | 05-22-2014 |
| 20140140096 | Glowing luminaire housing with phosphor - The invention provides a lighting unit ( | 05-22-2014 |
| 20140146567 | OPTICAL ELEMENT AND LED LIGHTING DEVICE HAVING SAME - An optical element including a light guide plate and a cone-shaped reflector is provided. The light guide plate has a first surface, a second surface, a first side surface and a second side surface. The light guide plate defines a through hole in a middle portion thereof, which is surrounded by the second side surface. The cone-shaped reflector is received in the through hole of the light guide plate. The cone-shaped reflector includes an upper surface and a tapered lateral surface. The tapered lateral surface of the cone-shaped reflector is received in the through hole of the light guide plate. An LED lighting device having the optical element is also provided. Light generated by an LED is reflected by the tapered lateral surface of the cone-shaped reflector to enter the light guide via the second side surface. | 05-29-2014 |
| 20140160791 | BACKLIGHT MODULE AND DISPLAY DEVICE - A backlight module and a display device comprise: a light guide plate; a LED light bar including a plurality of LED lamps arranged at intervals at a side of the light guide plate so as to emit the light to the light-entering surface of the light guide plate, and a gap provided between the LED light bar and the light guide plate; and a reflection member arranged outside the gap and reflecting the light from the LED light bar toward the light guide plate, wherein first regions and second regions are arranged on the reflection member at intervals, the first regions correspond to positions of the LED lamp, the second regions correspond to an interval between the plurality of LED lamps and/or a position outside the LED lamps at the end of the LED light bar, and the first region has a reflective index less than the second region. | 06-12-2014 |
| 20140177273 | BACKLIGHT MODULE USING LASER EMITTERS AS LIGHT SOURCE - A backlight module includes a laser light source and a light guide plate. The light source locates beside a side surface of the light guide plate. The light guide plate comprises a plurality of transflective films arranged along a direction in alignment the laser light source. When the light from the laser light source emits to the transflective films, a part of the light passes through the transflective films and transmits along a same direction, and another part of the light is reflected by the transflective films and emits into a light diffusion plate. The light beams reflected by the transflective films and into the light diffusion plate have the same intensity. | 06-26-2014 |
| 20140185318 | Backlight Assembly and a Display Device Using the Same - A backlight assembly includes a light guide member extending in a direction and having a light incident surface and a light exiting surface. A light source faces the light guide member and supplies light to the light guide member through the light incident surface. A reflecting member reflects light exiting from the light exiting surface of the light guide member. The reflecting member includes a groove receiving the light guide member. A first reflecting portion is disposed under the light guide member and reflects light refracted by the light guide member in an upward direction. A second reflecting portion is disposed on the light guide member and reflects light refracted by the light guide member in a downward direction. | 07-03-2014 |
| 20140192555 | PLANAR LIGHT APPARATUS - A planar light apparatus is disclosed and includes a reflection part, a secondary optic device, and a light-emitting device. The secondary optic device has a light incident surface, a light emitting surface, and a side surface, which is an elliptic surface, between the light incident surface and the light emitting surface. A reflecting surface of the reflection part and the light emitting surface face a void space formed between the secondary optic device and the reflection part. Light beams emitted by the light-emitting device into the secondary optic device through the light incident surface can be reflected by the side surface to emit out of the secondary optic device through the light emitting surface into the void space to be reflected by the reflecting surface. Thereby, the planar light apparatus without a conventional light-guiding plate still can offer a planar light source with certain uniformity and can be structured thinner. | 07-10-2014 |
| 20140198525 | INTERACTIVE IMAGE SYSTEM AND IMAGE DISPLAY DEVICE - An interactive image system includes an image display device and a control device. The image display device includes a housing, a display unit, a light emitting component and at least one light guide element. The housing has a surface having a light output portion. The display unit is disposed in the housing and has a display surface exposed from the surface of the housing. The display surface faces the same direction as the surface. The light emitting component is disposed in the housing for emitting a light signal. The light guide element is disposed in the housing and located in a transmission path of the light signal. The light guide element is used for receiving the light signal and transmitting light signal to the light output portion. The control device has a light sensing element which faces to the image display device and configured to capture an image. | 07-17-2014 |
| 20140204609 | DISPLAY DEVICE INCLUDING BACKLIGHT ASSEMBLY - A display device includes: a backlight assembly which generates and outputs light; and a display panel which displays an image with the light from the backlight assembly. The backlight assembly includes: a light emitting unit which generates the light; a light guide plate which guides the light provided from the light emitting unit toward the display panel and includes a protruding part which protrudes laterally from the light guide plate from the light guide plate at a first corner thereof; and a reflective member which is on a surface of the protruding part and reflects the light provided from the light emitting unit toward the protruding part and toward a second corner of the light guide plate and the periphery of the second corner. | 07-24-2014 |
| 20140211504 | OPTICAL WAVEGUIDE ASSEMBLY AND LIGHT ENGINE INCLUDING SAME - An optical waveguide assembly includes a plurality of separate body sections each having a coupling cavity for receiving an LED element and a light extraction feature spaced from the coupling cavity, and a mounting structure surrounding the plurality of body sections that maintains the plurality of body sections in assembled relationship. The waveguide assembly may be incorporated into a light engine. | 07-31-2014 |
| 20140218966 | LIGHTING DEVICE AND COVE LIGHTING MODULE USING THE SAME - A lighting device and a cove lighting module are provided. The lighting device includes a shell body, at least one light emitting diode element, and at least one light guide plate. The light emitting diode element and the light guide plate are disposed in the shell body. The light guide plate is disposed adjacent to the light emitting diode element to enable light emitted by the light emitting diode element to enter the light guide plate through a light incident surface of the light guide plate and to exit from the light guide plate through a light emitting surface of the light guide plate. The cove lighting module includes a light-receiving object and the lighting device, wherein the light-receiving object has an opaque surface. In the cove lighting module, the light exiting from the light guide plate is directly emitted to the opaque surface of the light-receiving object. | 08-07-2014 |
| 20140254195 | SURFACE ILLUMINANT DEVICE - A surface light source device capable of obtaining uniform and high brightness emitted light is disclosed. The surface light source device can include a light source ( | 09-11-2014 |
| 20140268873 | THIN ILLUMINATION SYSTEM - The present invention introduces a new class of thin doubly collimating light distributing engines for use in a variety of general lighting applications. Output illumination from these slim-profile illumination systems whether square, rectangular or circular in physical aperture shape is directional, square, rectangular or circular in beam cross-section, and spatially uniform and sharply cutoff outside the system's adjustable far-field angular cone. Some embodiments provided include thin light distributing engines which provide input light collimated in one meridian and a light distributing element that maintains input collimation while collimating output light in the un-collimated orthogonal meridian, in such a manner that the system's far-field output light is collimated in both its orthogonal output meridians. The present invention can also include optical films that process the engine's doubly collimated output illumination so as to increase its angular extent one or both output meridians without changing beam shape or uniformity. | 09-18-2014 |
| 20140286049 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit includes a light source which generates a first light; a quantum dots member which is spaced apart from the light source by a first distance and converts the first light into a second light; a guide member which lengthwise extends in a first direction and fixes positions of the light source and the quantum dots member; and an optical member which reflects the second light. The guide member guides the first light from the light source to the quantum dots member and guides the second light from the quantum dots member to the optical member. | 09-25-2014 |
| 20140286050 | BACKLIGHT MODULE - A backlight module comprises a light guide plate, a plurality of light guide portions, and a plurality of light sources. Each light guide portion is wedge-shaped. Each light guide portion comprises a first side surface and a second side surface opposite to the first side surface. The second side surface is in contact with the light guide plate. Along a direction perpendicular to the light guide plate, a thickness of the first side surface is greater than a thickness of the second side surface. A receiving groove is defined on the first side surface. Each light source is received in a corresponding one of the receiving grooves. | 09-25-2014 |
| 20140286051 | DISPLAY DEVICE - A display device includes a light source part to output a light, a light incidence part into which the light outputted from the light source part is inputted, a groove part formed in a first surface of the light incidence part based on a display pattern to be displayed via the light incidence part, a background part formed on the first surface of the light incidence part except the groove part and configured to form a background of the display pattern, and a reflection part formed on the groove part to reflect a part of the light that enters the light incidence part so as to form the display pattern on the background formed by a part of the light reflected by the background part. The inputted light is outputted outside through a second surface opposite to the first surface of the light incidence part. | 09-25-2014 |
| 20140293646 | LIGHTING DEVICE AND DISPLAY DEVICE - A lighting device includes a translucent member having the same cross sectional tubular shape throughout a longitudinal direction and including a lens that includes a light incident surface for receiving incident light and a pair of light exit surface for diffusing and emitting the light incident on the light incident surface to the outside, and a light-emitting portion mounted on a substrate and emitting the light toward a region including the light incident surface of the translucent member, where in the translucent member includes a pair of light guide portions for guiding the light incident on the light incident surface to a pair of the light exit surfaces so that the light incident on the light incident surface is diffused and emitted from the pair of light exit surfaces in a width direction that is orthogonal to the longitudinal direction. | 10-02-2014 |
| 20140307469 | SURFACE LIGHT SOURCE DEVICE WITH FRAME INCLUDING LIGHT SOURCE AND LIGHT GUIDE PLATE - Light that leaks from an outer peripheral surface of a lightguide plate can be reflected and returned to the lightguide plate by a frame, and light that is transmitted through the frame to leak out can be reduced. A reflecting sheet is disposed in a lower surface of the frame, and the lightguide plate and the light source are accommodated in the frame. The frame is formed such that an outer peripheral surface of a rectangular-frame-shaped inside frame portion made of a white resin is covered with a rectangular-frame-shaped outside frame portion made of a black resin. The inside frame portion and the outside frame portion are integrally molded by a two-color molding method. | 10-16-2014 |
| 20140307470 | DISPLAY APPARATUS - A display apparatus includes a liquid crystal panel and a backlight unit that emits light toward a back surface of the liquid crystal panel. The backlight unit includes an LED, a light guide plate which light from the LED enters through a side surface and exits through a main surface toward the back surface of the liquid crystal panel, and a reflective sheet that reflects the light. The reflective sheet includes a first reflective portion facing the side surface of the light guide plate and including a through-hole through which the LED passes, a second reflective portion connected to a first end of the first reflective portion and covering a surface of the light guide plate opposite to the main surface, and a third reflective portion connected to a second end of the first reflective portion and covering a portion of the main surface of the light guide plate. | 10-16-2014 |
| 20140321158 | LIGHT SOURCE MODULE - A light source module with a wide angle of illumination into a light guide plate includes a light source unit and a light guide plate. The light source unit includes a laser light source, a light converging member, and a reflective member. The laser light source emits a synthesized white laser beams. The light converging member converges the synthesized white laser beams onto the reflective member. The reflective member faces a light incident surface of the the light guide plate and spreads the reflected light out in a wider angle towards the light incident surface. Light is emitted from all parts of the light guide plate out through the light output surface. | 10-30-2014 |
| 20140321159 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE HAVING SAME - A backlight module includes a light guide plate and a light source module. The light guide plate includes a light incident surface. The light incident surface forms a sector-cylinder-shaped cutout on the light guide plate. The light source module includes tricolor lasers, two spectroscopes and a MEMS mirror. The tricolor lasers are arranged opposite to the light guide plate. The two spectroscopes are respectively arranged opposite to two of the tricolor lasers. The two spectroscopes respectively reflect light emitted from two of the tricolor lasers, and transmit the light emitted from the others. Thus, white light is achieved after the light emitted from the tricolor lasers passes through the two spectroscopes. The MEMS mirror is arranged opposite to the light incident surface for reflecting the white light and rotating to form a scanning light beam, which finally enters into the light guide plate through the light incident surface. | 10-30-2014 |
| 20140321160 | DISPLAY SUB-ASSEMBLY FOR AN HVAC CONTROLLER - An HVAC Controller including a printed circuit board (PCB) and a display sub-assembly. The display sub-assembly may include a frame, a display, and a light guide. The frame may be secured relative to the PCB and may have a front side facing away from the PCB and a back side facing toward the PCB. The frame may include one or more side walls that may extend between the front side and the back side, where the side walls may define a space. The display and the light guide may be positioned at least partially within the space and the light guide may be positioned between the display and the PCB. The frame may have one or more back stop features and one or more front stop features that stop the light guide and the display from sliding out of the back side and front side of the frame, respectively. | 10-30-2014 |
| 20140340931 | LIGHT INTENSITY DISTRIBUTION CONVERSION ELEMENT, PLANAR LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light intensity distribution conversion element has a light incident surface, a light emission surface, and total reflection surfaces. Light having directivity enters the light incident surface. The light emission surface has a curved surface portion of a concave shape with respect to an emitting direction of the light, for broadening an angular intensity distribution of the light. The total reflection surfaces are near or are adjacent to the curved surface portion, are slanted against the emitting direction of the light, and totally reflect the light. The light reflected by the total reflection surfaces is emitted from the curved surface portion. | 11-20-2014 |
| 20140340932 | LED LIGHTING DEVICE WHICH HAS STABLE STRUCTURE AND IS EASILY ASSEMBLED AND DISASSEMBLED - Disclosed is an LED lighting device which is easily assembled and disassembled and has a stable assemblability without structural shaking. The LED lighting device is able to improve a heat radiating characteristic and optical efficiency. | 11-20-2014 |
| 20140347883 | BACKLIGHT MODULE - A backlight module including a light guiding plate, a light source and a block is provided. The light guiding plate includes a first surface, a second surface opposite to the first surface, a light incident surface connecting to the first surface and the second surface, and a side surface opposite to the light incident surface. A thickness of at least part of the light guiding plate decreases progressively from the side surface towards the light incident surface. The light source is disposed beside the light incident surface and is capable of emitting a light beam into the light guiding plate through the light incident surface. The block is disposed beside the side surface and includes a reflecting surface facing towards the side surface. The reflecting surface is a concave surface on the block, and the reflecting surface is capable of reflecting the light beam returning to the side surface. | 11-27-2014 |
| 20140347884 | LIGHT-SOURCE DEVICE AND REFLECTOR-SUPPORT STRUCTURE - A light source device includes: a rod-shaped light source or an array light source extending in a main scanning direction; a reflector that is placed opposite the rod-shaped light source or the array light source, extends in the main scanning direction, and reflects light output from a side face of the rod-shaped light source or the array light source; and a plurality of reflector supports that are arranged at an interval along the main scanning direction and support the reflector. | 11-27-2014 |
| 20140355301 | DISPLAY DEVICE - A display device is disclosed. In one aspect, the display device includes a protective member, a display panel accommodated in the protective member, a light guide member including a light incident surface, a heat discharge member including a support surface facing the light incident surface, and a light source disposed on the support surface to supply light to the light incident surface. The light source includes a light-emitting device disposed on one surface of a circuit board, the circuit board including a first area substantially overlapping the light-emitting device and a second area adjacent to the first area, a first adhesive member disposed between the other surface of the circuit board and the support surface and substantially overlapping the first area, and a second adhesive member disposed to substantially overlap the second area. The first adhesive member has a higher heat conductivity than the second adhesive member. | 12-04-2014 |
| 20140355302 | Outdoor and/or Enclosed Structure LED Luminaire for General Illumination Applications, Such as Parking Lots and Structures - A luminaire for use in lighting a large open space such as a parking lot or deck of a parking garage includes a plurality of optical waveguides disposed in side-by-side relationship and together defining a closed path and at least one LED associated with each optical waveguide and disposed at a first end of the associated optical waveguide. | 12-04-2014 |
| 20140362601 | LASER BACKLIGHT PLATE - A laser backlight plate includes a laser source, a light guide plate, least one reflective layer, and at least one light divergent structure. The laser source is configured for providing a laser beam. The light guide plate has a light emission surface, a backlight surface, and at least one side surface. The backlight surface is disposed opposite to the light emission surface, and the side surface extends between the light emission surface and the back light surface. The reflective layer at least partially covers the backlight surface and the side surface, and is configured for reflecting the laser beam impinging on the reflective layer to the light emission surface. The light divergent structure is configured for diffusing the laser beam, which is incident on the light guide plate from the light divergent structure, and is reflected to the light emission surface by the reflective layer. | 12-11-2014 |
| 20140369068 | LIGHT GUIDE PLATE, DISPLAY UNIT INCLUDING THE LIGHT GUIDE PLATE, TRAFFIC SIGN INCLUDING THE DISPLAY UNIT, AND METHOD OF MANUFACTURING THE LIGHT GUIDE PLATE AND METHOD OF MANUFACTURING THE TRAFFIC SIGN - Even though no light source is provided in the vicinity of each curved apex of a main face, the brightness difference depending on the location on the main face is reduced, and a light guide plate that contributes to electric power saving can be provided. A display and a traffic sign including the display that can keep a small brightness difference depending on the location on the main face, and reduce the power consumption. The ratio of the area of the first diffusion dots and second diffusion dots within the second diffusion region is greater than the ratio of the area of the first diffusion dots within the first diffusion region. Even though no light source unit is provided at a curved section, the brightness difference (the unevenness of brightness) depending on the location on the entire main face is reduced, and electric power saving can be achieved. | 12-18-2014 |
| 20140369069 | OPTICAL MODULE AND LAMP - A lamp includes a frame, a light guide plate, a light source and a reflecting structure. The light guide plate is disposed on the frame and includes a light-incident surface, a first light-emitting surface and a second light-emitting surface. The second light-emitting surface is opposite to the first light-emitting surface, in which the light-incident surface connects the first light-emitting surface and the second light-emitting surface. The light source is adjacent to the light-incident surface and the light source is disposed in the frame. The reflecting structure is adjacent to the first light-emitting surface and includes at least two transparent sheets. The two transparent sheets are separated by an air gap, such that at least one light beam emitted from the first light-emitting surface is reflected back to the light guide plate and is emitted out from the second light-emitting surface. | 12-18-2014 |
| 20140376260 | Hybrid Concentrator for a Backlight - This document describes techniques and apparatuses for implementing a hybrid concentrator for a backlight. The backlight includes a light guide and multiple light sources positioned along an input end of the light guide. The backlight further includes multiple hybrid concentrators that each include a lens in a central region of the concentrator and one or more total-internal-reflection (TIR) zones. Each hybrid concentrator is positioned between a corresponding light source and the light guide, and is configured to concentrate light into the light guide. The light guide then projects the concentrated light to illuminate a modulating display panel to form images for viewing. | 12-25-2014 |
| 20140376261 | BACK LIGHT MODULE - A back light module includes a light guide plate, at least one first light source, at least one second light source and at least one first reflection element. The light guide plate includes a first light incident surface, a second light incident surface opposite to the first light incident surface, a light emitting surface, and a bottom surface opposite to the light emitting surface. The first light source is disposed beside the first light incident surface and suitable to provide a first non-collimated light beam to the first light incident surface. The second light source is disposed beside the second light incident surface and suitable to provide a first collimated light beam to the second light incident surface. The first reflection element is disposed beside the first light incident surface to reflect the first collimated light beam emitted so as to make the first collimated light beam diverge. | 12-25-2014 |
| 20140376262 | VEHICULAR DISPLAY APPARATUS - A vehicular display apparatus includes a light source and a light guide member. The light guide member includes (i) an interior portion that receives light from the light source and (ii) outer faces that reflect the light repeatedly to permit the light to propagate in the interior portion. The light guide member further includes a viewable portion and a light absorption member serving as a light attenuation portion. The viewable portion reflects a part of the light propagating in the interior portion towards a viewer side so as to appear to be luminous. The light absorption member absorbs a part of light reflected by the outer face. | 12-25-2014 |
| 20140376263 | LIGHT EMITTING DEVICE FOR BACKLIGHT DEVICE AND METHOD OF OPERATING THE LIGHT EMITTING DEVICE - A light emitting device ( | 12-25-2014 |
| 20150016143 | LIGHTING ASSEMBLY - A lighting assembly includes a light guide having opposed major surfaces between which light propagates by total internal reflection and a light input edge. The light assembly also includes a light engine. The light engine has a heat conductive armature having a receptacle for a portion of the light guide that includes the light input edge and a light source retained by and thermally coupled to the armature. The armature functions as a heat sink for dissipating heat generated by the light source. The light guide is mechanically retained in the receptacle, and the light guide and the armature cooperate to align the light input edge with the light source for inputting light from the light source into the light guide through the light input edge. | 01-15-2015 |
| 20150023056 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The present invention discloses a backlight module and a liquid crystal display. The light guide plate is formed with hollow structures therein, and the hollow structures includes a first reflecting surface and a second reflecting surface; the first reflecting surface has a first inclination; the second reflecting surface has a second inclination; based on the first inclination, the first reflecting surface reflects light emitting toward the first reflecting surface; and based on the second inclination, the second reflecting surface reflects light emitting toward the second reflecting surface. | 01-22-2015 |
| 20150023057 | DISPLAY DEVICE - A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices. | 01-22-2015 |
| 20150023058 | BACKLIGHT UNIT AND DISPLAY APPARATUS USING THE SAME - Disclosed are an illumination system and a display apparatus using the same. The illumination system includes a light guide plate; grooves disposed in the light guide plate, each of the grooves having at least one inclined surface; light source modules disposed within the grooves, wherein the light source modules comprise, substrates and light sources disposed on the substrates; and stoppers disposed between a first surface of each of the light sources and the at least one inclined surface of each of the grooves, the first surface of each of the light sources facing the at least one inclined surface. A cross-sectional area of the grooves is larger than that of the stoppers. | 01-22-2015 |
| 20150043244 | DISPLAY DEVICE - A display device includes a light guide unit, a light source, a display panel and a protective member. The light guide unit includes a first surface, a second surface facing the first surface, and a plurality of connecting surfaces connecting the first surface and the second surface to each other, and guides a light which is incident to a connecting surface to the first surface. The light source provides light to the connecting surface. The display panel displays an image using the light provided from the first surface of the light guide unit. The protective member includes a plurality of reflective patterns facing another connecting surface among the plurality connecting surfaces, provides the light leaked from the light guide unit to the another connecting surface, and accommodates the light guide unit, the light source and the display panel therein. | 02-12-2015 |
| 20150049507 | SLIM WAVEGUIDE COUPLING APPARATUS AND METHOD - In various embodiments, an illumination structure includes a discrete light source disposed proximate a bottom surface of a waveguide and below a depression in a top surface thereof. A top mirror may be disposed above the discrete light source to convert modes of light emitted from the discrete light source into trapped modes, thereby increasing the coupling efficiency of the illumination structure. | 02-19-2015 |
| 20150055368 | DISPLAY DEVICE - A display device includes a back cover, a front frame, a backlight module, and a display panel. The back cover has at least one supporting structure and at least one position-limiting structure. The front frame is assembled to the back cover. The backlight module is disposed between the back cover and the front frame and includes a light guide plate (LGP), and the supporting structure supports a bottom surface of the LGP. The display panel is disposed between the backlight module and the front frame, the position-limiting structure is aligned to a side surface of the display panel, and a position of the display panel is limited by the position-limiting structure. | 02-26-2015 |
| 20150055369 | LUMINAIRES UTILIZING EDGE COUPLING - A luminaire includes at least first and second waveguides. The first waveguide has a first coupling surface extending between a first surface and a second surface opposite the first surface, and the second waveguide has a second coupling surface extending between a third surface and a fourth surface opposite the third surface. The first and second coupling surfaces define a coupling cavity. The luminaire further includes at least one light source within the coupling cavity. | 02-26-2015 |
| 20150062966 | LIGHT SOURCE MODULE AND BACKLIGHT UNIT HAVING THE SAME - A light source module includes a circuit board, board pads disposed on the circuit board, and a light emitting diode chip disposed on the board pads. The light emitting diode chip includes a substrate and a semiconductor stacking part disposed between the substrate and the circuit board, and the substrate includes an inclined part disposed at an upper portion thereof and a discharging part disposed at one side surface thereof. | 03-05-2015 |
| 20150070931 | BACKLIGHT MODULE - A backlight module is provided, including a circuit board, a plurality of light-emitting elements, a frame, and a plurality of first and second light-reflecting portions. The light-emitting elements are disposed on the circuit board and separated from each other. The frame includes a base plate and two lateral plates extended from the base plate, wherein the circuit board is disposed on the base plate. The first and second light-reflecting portions are disposed on at least one of the lateral plates and arranged in a staggered manner. The first light-reflecting portions are closer to the light-emitting elements than the second light-reflecting portions. The reflectivity of the second light-reflecting portions exceeds that of the first light-reflecting portions. | 03-12-2015 |
| 20150078033 | BACKLIGHT ASSEMBLY AND DISPLAY INCLUDING THE SAME - A backlight assembly and a display including the same are disclosed. In one aspect, the backlight assembly includes a light source unit, a light guide plate including a light incident surface and a light facing surface formed on opposing ends thereof. The light incident surface receiving light irradiated from the light source surface. The backlight assembly also includes a first reflective member placed on the light facing surface and including a plurality of first color patterns facing the light facing surface. | 03-19-2015 |
| 20150085525 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate and a backlight module are provided. The backlight module includes a light source and the light guide plate. The light source includes a light emitting surface. The light guide plate includes a light incident surface, a first surface, and a second surface, wherein the first surface is opposite to the second surface. The light guide plate is disposed at a side of the light source. The light incident surface of the light guide plate is opposite to the light emitting surface of the light source. The light incident surface is connected to the first surface and the second surface and includes a first curved surface and a second curved surface. The first curved surface is adjacent to the first surface, and the second curved surface is adjacent to the second surface. The first curved surface is a concave surface. | 03-26-2015 |
| 20150103556 | PACKAGE CARRIER - A package carrier is suitable for carrying at least one light emitting unit. The package carrier includes an annular shell and a transparent light guiding stage. The annular shell has a cavity. The transparent light guiding stage is disposed in the cavity of the annular shell. The light emitting unit is adapted to be disposed on the transparent light guiding stage, and a horizontal projection area of the transparent light guiding stage is greater than that of the light emitting unit. The light emitting unit emits a light beam to enter the transparent light guiding stage, and the light beam emits from a surface of the transparent light guiding stage relatively distant from the cavity. | 04-16-2015 |
| 20150109820 | Outdoor and/or Enclosed Structure LED Luminaire - A luminaire for use in lighting a large open space such as a parking lot or deck of a parking garage includes a plurality of optical waveguides disposed in side-by-side relationship and together defining a closed path and at least one LED associated with each optical waveguide and disposed at a first end of the associated optical waveguide. | 04-23-2015 |
| 20150117054 | DISPLAY DEVICE - A display device includes a display panel, a light guide plate (LGP), a light source, and a positioning component. The LGP is disposed on a display surface of the display panel and has an upper surface and a lower surface opposite to each other, a light-incident surface, a first light-guiding block, and a second light-guiding block. A display area of the display panel corresponds to the first light-guiding block. The second light-guiding block extends outside the display area and has at least one recess portion. The recess portion is located on at least one of the upper surface and the lower surface and extends to the light-incident surface. The light source is disposed beside the light-incident surface. The positioning component is disposed on the second light-guiding block and located in the recess portion. Besides, the positioning component extends outside the recess portion and fixes the location of the light source. | 04-30-2015 |
| 20150124479 | LIGHT SOURCE MODULE AND BACKLIGHT UNIT HAVING THE SAME - A light source including a circuit board, at least one light emitting device mounted on the circuit board by flip-chip bonding or surface mount technology (SMT), and a reflective portion formed on the circuit board and enclosing the light emitting device. The reflective portion formed on the circuit board reflects light emitted from the light emitting device in one direction, to reduce light loss while focusing light in a desired direction. | 05-07-2015 |
| 20150124480 | METHODS AND APPARATUS FOR PROVIDING DISPLAY COMPONENTS - Methods and apparatus for providing one or more components for a display system, particularly for producing diffused light. | 05-07-2015 |
| 20150131315 | DIRECT TYPE BACKLIGHT MODULE - A backlight module includes a light guide assembly and a light source assembly. The light guide assembly includes a back cover, a reflective sheet, a light guide plate, and an optical film. The light source assembly includes a lamp cover, a light plate, and a plurality of light sources. The back cover and the reflective sheet define a first opening and a second opening. The light guide plate includes two prism shaped protrusion portions parallel to each other, and two surfaces of the two protrusion portions facing each other are a first incident portion and a second incident portion inclined to the light guide plate, and an area between the first incident surface and the second incident surface is third incident surface. The protrusion portions extend into the lamp cover, and the light source assembly is positioned below the third incident portion. | 05-14-2015 |
| 20150131316 | LIGHT GUIDE BODY, LIGHT EMITTING APPARATUS, AND AMUSEMENT MACHINE - A light guide body configured to guide light from a light source that enters the light guide body has a light exit surface having at least one light emitting region from which light from the light source is emitted, and a plurality of reflection patterns arranged in a reflection region of a counter surface facing the light exit surface. The reflection region is a region corresponding to the at least one light emitting region. The reflection region has at least a first reflection region that reflects light in a first direction, and a second reflection region that reflects light in a second direction differing from the first direction. | 05-14-2015 |
| 20150138830 | HEAT DISSIPATION PIPE LOOP AND BACKLIGHT MODULE USING SAME - The present invention provides a heat dissipation pipe loop and a backlight module using the heat dissipation pipe loop. The heat dissipation pipe loop includes: a first evaporator section ( | 05-21-2015 |
| 20150138831 | EDGE LIGHT-TYPE SURFACE LIGHT SOURCE DEVICE AND ILLUMINATION DEVICE - A surface light source device ( | 05-21-2015 |
| 20150138832 | Light-Emitting Diode Wave Guide Down Light Retrofit Fixtures - A system for mounting a light emitting diode (LED) wave guide down light retrofit fixture. The system can include a mounting plate having a number of apertures symmetrically positioned around a center of the mounting plate. The system can also include at least one fastening device mechanically coupled to an upper surface of the mounting plate using at least a first aperture of the apertures, where the at least one fastening device mechanically couples to a base of an existing fixture. The system can further include a coupling device mechanically coupled to a lower surface of the mounting plate. The system can also include a trim assembly having a frame and a LED light source mechanically coupled to the frame. The frame can have a coupling feature disposed on a top surface of the frame, where the coupling feature mechanically couples to the coupling device. | 05-21-2015 |
| 20150293293 | Light Guiding System, Edge-lighting Backlight Module and LCD Device - A light guiding system includes an ambient light gathering system, multiple light guiding devices and a wedge light guiding bar. The ambient light gathering system facing ambient light is used for absorbing the ambient light. Each light guiding device absorbs the absorbed light. The wedge light guiding bar has a light-out surface and a light-in surface coupled to the light-out surface. The light-in surface is a wide surface coupled to an inclined surface. The light-out surface is opposite to the inclined surface and next to a light-in side of a light guide plate. The wedge light guiding bar for use in the light guiding system, an edge-lighting backlight module and an LCD device can reduce cost of material and weight. Also, the light uniformity of the light output end is improved and the optical quality of the edge-lighting backlight module is raised. | 10-15-2015 |
| 20150309236 | LIGHT GUIDE AND LIGHTING ASSEMBLY WITH ARRAY OF ROTATED MICRO-OPTICAL ELEMENTS - A light guide includes opposed major surfaces and a light input edge extending therebetween. An array of micro-optical elements of well-defined shape at at least one of the opposed major surfaces corresponds to the light input edge. Each of the micro-optical elements in the array includes a longitudinal axis arranged within the range of angles relative to the light input edge. A path linearly extending along the light guide from the light input edge intersects at least a portion of the micro-optical elements in the array, at least one of the micro-optical elements along the path arranged with its longitudinal axis at a positive angle relative to the light input edge, and at least another one of the micro-optical elements along the path arranged with its longitudinal axis at a negative angle relative to the light input edge. | 10-29-2015 |
| 20150309242 | DISPLAY DEVICE AND PROCESSING APPARATUS OF THE SAME - A display device and a processing apparatus of the same are provided. The display device includes a backlight module and a display panel. The backlight module includes a light guide component and at least a roughness structure. The light guide component has a light emitting surface, a light entering surface, and at least a side surface. The light emitting surface and the side surface are adjacent to each other and share an edge. The light entering surface is adjacent to the light emitting surface or the side surface. The roughness structure is formed on the side surface and has a surface roughness of 0.01-10 μm. The display panel is disposed corresponding to the light emitting surface. | 10-29-2015 |
| 20150316700 | LIGHT EMITTING DEVICE AND BACKLIGHT UNIT COMPRISING SAME - A light emitting device capable of bonding a lens at a preset accurate position, and a backlight unit comprising the same are provided. The light emitting device includes a molded material having an opening through which light generated from a light emitting element disposed in the molded material is emitted, a projecting support disposed along at least part of a circumference of the opening of the molded material, and a lens having an inner surface that defines an internal surface on which light emitted from the light emitting element is incident, an outer surface that defines an external surface from which the incident light is emitted to the outside, and a bottom surface that connects the inner surface and the outer surface, wherein a boundary between the inner surface and the bottom surface, a lower part of the inner surface, or the bottom surface contacts the projecting support. | 11-05-2015 |
| 20150331171 | BACK LIGHT UNIT AND DISPLAY DEVICE - The general inventive concepts provide a side-light type backlight unit. The side-light type backlight unit comprises a light guide plate and a light source located at the side of the light incident surface of the light guide plate. The light source comprises a circuit board which comprises a first region opposite to the light incident surface of the light guide plate and a second region adjacent to the first region. The first region and the second region are provided with LED lamps. By arranging LED lamps in both the first region and the second region of the circuit board of the side-light type backlight unit, the incident light of the side-light type backlight unit is increased, thereby improving the luminance of the side-light type backlight unit in 3D state. The disclosure further provides a display device comprising such a side-light type backlight unit. | 11-19-2015 |
| 20150331172 | DISPLAY DEVICE - A display device includes a reflective cover, a light guide plate, and a display device. The reflective cover has an opening confined by a top inner surface, at least one side inner surface, and a bottom inner surface of the reflective cover. The light guide plate has a top surface, a bottom surface, and a side face connected to the top surface and the bottom surface, a part of the top surface is covered by the top inner surface of the reflective cover. The display device is placed under the light guide plate and a partial surface of the display device is covered by the bottom inner surface of the reflective cover. The reflective cover bonds the light guide plate and the display device together. | 11-19-2015 |
| 20150340576 | LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE AND BACKLIGHT FOR DISPLAY DEVICE - An LED chip ( | 11-26-2015 |
| 20150362654 | LIGHT MIXING CHAMBER FOR USE WITH COLOR CONVERTING MATERIAL AND LIGHT GUIDE PLATE AND ASSEMBLY - A light mixing chamber of a backlight includes a housing having a channel and a chamber exposed to the channel, an LED positioned within the chamber, and a capillary containing quantum dots positioned in the channel. A light guide plate is positioned adjacent the housing and adjacent the capillary. Relative dimensions of the elements of the light mixing chamber, as well as features added to the elements of the light mixing chamber, can be varied to balance efficiency and uniformity of light generated in the backlight. | 12-17-2015 |
| 20150369997 | LIGHT SOURCE MODULE AND BACKLIGHT UNIT INCLUDING THE SAME - Provided are a light source module and a backlight unit. According to an embodiment, the light source module comprises a circuit board, at least one LED chip electrically connected onto the circuit board, a reflective surface on an upper surface of the LED chip configured to reflect light, and a fluorescent surface on at least one side surface of the LED chip configured to emit the light. | 12-24-2015 |
| 20150380611 | Light Emitting Apparatus and Surface Light Source Apparatus Having the Same - Provided are a light emitting apparatus and a surface light source apparatus having the same. The light emitting apparatus comprises a package body, a first color light emitting part in a first cavity of the package body, and a second color light emitting part in a second cavity of the package body. The package body comprises a plurality of cavities. | 12-31-2015 |
| 20160011358 | LOW PROFILE LUMINAIRE AND ASSOCIATED SYSTEMS AND METHODS | 01-14-2016 |
| 20160018582 | BACKLIGHT HAVING COLLIMATING REFLECTOR - A backlight includes a plate light, guide to guide light, a light source to produce light, and a collimating reflector to substantially collimate the produced light. The collimating reflector also is to direct that collimated light into the plate light guide as guided light of the plate light guide. A portion of the guided light in the backlight is to be emitted from a surface of the backlight as emitted light. | 01-21-2016 |
| 20160047965 | LIGHT GUIDE PLATE, AND BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - The present invention relates to a light guide plate, and a backlight unit and display device including the same. According to an aspect of the present invention, there is provided a light guide plate, including: a light output surface configured to output light toward the outside; a reflective surface positioned at the opposite side of the light output surface; a light incident surface provided on at least one side surface among the side surfaces connecting the light output surface to the reflective surface to receive light irradiated from a light source; and a reflective pattern having a quadrilateral shape when viewed in a direction perpendicular to the reflective surface, and having a concave portion recessed toward an inner portion of the reflective surface and an embossed portion protruding from an edge of the concave portion toward an outer portion of the reflective surface. | 02-18-2016 |
| 20160047968 | REFLECTOR, ILLUMINATING DEVICE AND BACKLIGHT MODULE USING THE REFLECTOR - A reflector configured for guiding light emitted from a light emitting diode (LED) light source includes four reflective walls. The reflective walls are connected side-by-side to cooperatively define a cavity. The cavity has a first opening and a second opening at opposite ends thereof. An inner diameter of the cavity gradually decrease as it extends from the second opening toward the first opening. The LED light source is located at the second opening of the cavity. Light emitted from the LED light source enters into the cavity and is reflected by the at least one reflective wall toward the first opening of the cavity. An illuminating device and a backlight module using the reflector are also provided. | 02-18-2016 |
| 20160077274 | LIGHT EMITTING MODULE AND ILLUMINATION SYSTEM INCLUDING THE SAME - A light emitting module is disclosed. The light emitting module includes a circuit board, a plurality of light emitting devices mounted on the circuit board and spaced apart from each other, molding parts wrapping the respective light emitting devices, and a reflective member disposed on the circuit board to surround the light emitting devices. The reflective member has a height greater than that of each of the molding parts. The reflective member has a plurality of openings exposing the light emitting devices, and each of the openings has a reflective side wall extending upward from the circuit board. | 03-17-2016 |
| 20160084459 | COMPOSITE TRANSPARENT LIGHTING DEVICE - A composite transparent lighting device is described. The device has a transparent substrate, an uniform distribution of low concentration dielectric particles, reflective perimeter and perimetral discrete light sources, of improved appearance both in the inoperative state of the device, and at the same time capable of providing good quality lighting when the device is active, i.e. when the discrete light sources on the perimeter of the device are turned on. | 03-24-2016 |
| 20160103265 | BACKLIGHT MODULE - A backlight module includes a bottom plate, a light guide and a light source assembly. The bottom plate has a first loading surface and a recess adjacent to each other. The recess has a second loading surface and a reflective surface inclined to the first and second loading surfaces. The light guide has a light inputting surface and a light outputting surface. The light guide is disposed on the first loading surface and covers the reflective surface. The light outputting surface faces away from the bottom plate. The light source assembly has a light emitting surface and disposed on the second loading surface. The light emitting surface faces the light inputting surface and the reflective surface, and comprises a side edge away from the second loading surface. The light source assembly is disposed inside the recess so the side edge is not higher than the light outputting surface. | 04-14-2016 |
| 20160116668 | Light emitting device - A light emitting device comprising at least one first light source ( | 04-28-2016 |
| 20160131830 | Chassis for Display Backlight - An electronic device may be provided with a display. Backlight structures may be used to provide backlight for the display. The backlight structures may include a light guide plate. A rectangular ring-shaped chassis may have a rectangular opening that receives the light guide plate. One or more edges of the chassis may be provided with an array of notches that receive light-emitting diodes or other light sources. The light sources may launch light into edge portions of the light guide plate. The chassis may include a first plastic structure such as a light reflecting structure formed from a material such as white plastic. The first plastic structure may surround two or more peripheral edges of the light guide plate. The chassis may also include a second plastic structure such as a light blocking structure formed from a material such as black plastic that helps prevent light leakage. | 05-12-2016 |
| 20160139320 | BACKLIGHT UNIT - A backlight unit includes a printed circuit board; a light source on the printed circuit board; a light guide plate that receives light emitted from the light source on one surface and directs light outwards through another surface; and a light blocking unit between the light source and the light guide plate. The light blocking unit may be spaced apart from the light guide plate. | 05-19-2016 |
| 20160139323 | FLAT LIGHT GUIDE - The present disclosure describes a flat lightguide configured to be illuminated by one or more small light sources, such as light emitting diode (LED) light sources. The one or more small light sources inject light into an end of a stepped lightguide that includes light redirecting elements capable of changing the direction of the light to exit perpendicular to the stepped lightguide and enter an edge of a planar lightguide. | 05-19-2016 |
| 20160154166 | DISPLAY DEVICE | 06-02-2016 |
| 20160154170 | ULTRA-THIN DISPLAY USING THIN FLEXIBLE LED LIGHT SHEET | 06-02-2016 |
| 20160161659 | DISPLAY APPARATUS - A display apparatus including a display panel and a backlight to supply light to the display panel is provided. The backlight includes a light guide plate to guide light to the display panel, at least one three dimensional light source disposed to face a side end of the light guide plate, a two dimensional light source disposed at a rear of the light guide plate, and at least one diffusion member disposed between the at least one three dimensional light source and the side end of the light guide plate. | 06-09-2016 |
| 20160161660 | DISPLAY APPARATUS - Provided is a display apparatus including a display panel, a light guide plate, a first light source unit, and a first reflective member. The display panel may receive light to display an image. A first recess may be defined on a surface of the light guide plate. The first light source unit may include a plurality of light sources that generate the light and are received in the first recess. The first reflective member may be received in the first recess and disposed between two mutually adjacent light sources of the first light source unit to reflect the light. | 06-09-2016 |
| 20160170122 | BACKLIGHT APPARATUS AND DISPLAY APPARATUS HAVING THE SAME | 06-16-2016 |
| 20160170124 | Reflection Sheet, Light Source Device and Display Apparatus | 06-16-2016 |
| 20160170125 | DISPLAY DEVICE | 06-16-2016 |
| 20160187559 | DISPLAY DEVICE - A display device includes: a transparent light guide plate ( | 06-30-2016 |
| 20160187570 | DISPLAY APPARATUS - A display apparatus includes: a display panel configured to display images using light; a backlight unit including a light source to emit the light; a first protection member configured to accommodate the backlight unit, including a plurality of coupling holes; and a guide member shaped in a frame and disposed on an outer surface and top of the first protection member, supporting an edge of the display panel on the top of the first protection member. The guide member is shaped like a hook and includes a plurality of connection members inserted into the coupling holes. The connection members in a predetermined number are disposed in an incident part defined by a region in which the light source is disposed and an opposite part facing the incident part. | 06-30-2016 |
| 20160252671 | LIGHT SOURCE MODULE AND BACKLIGHT UNIT HAVING THE SAME | 09-01-2016 |
| 20170235039 | Integrated Back Light Unit Including Non-Uniform Light Guide Unit | 08-17-2017 |
| 20170235041 | Tiled Assemblies for a High Dynamic Range Display Panel | 08-17-2017 |
| 20190146135 | LIGHT GUIDE PLATE, OPTICAL STRUCTURE AND ASSOCIATED ELECTRONIC DEVICE | 05-16-2019 |
| 20190146138 | ILLUMINATING DEVICE | 05-16-2019 |
