Entries |
Document | Title | Date |
20080205080 | TILED ILLUMINATION ASSEMBLY AND RELATED METHODS - Illumination assemblies, components, and related methods are described. An illumination assembly is provided that comprises a plurality of illumination tiles each having a light emission surface. The plurality of illumination tiles are arranged in a two-dimensional array. The illumination tiles are constructed and arranged so as to provide a substantially contiguous illumination surface comprising the light emission surfaces of the plurality of the illumination tiles. Each illumination tile is illuminated by at least one solid state light-emitting device. A method of local dimming an illumination assembly of a display (e.g., LCD) backlight unit is also provided. | 08-28-2008 |
20090021961 | Light source, backlight module using the same, and method for manufacturing the same - A light source includes a substrate, a plurality of blocks, and a plurality of light emitting diodes (LEDs). The blocks are disposed on the substrate and spaced from each other. Each LED includes a first electrode, a second electrode, a chip, and a bonding wire. The first and second electrodes are arranged on the substrate between every two blocks, and are electrically connected each other via the chip and the bonding wire. A related method for manufacturing the light source is also provided. | 01-22-2009 |
20090034291 | BACKLIGHT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight includes at least one first light source, and a light guide arranged to receive light from the at least one first light source on a side surface thereof and to emit planar light from a principle surface thereof substantially perpendicular to the side surface. Each of the at least one first light source includes a first elongated light emitting member and a second elongated light emitting member arranged substantially parallel to the first light emitting member. The second light emitting member is different in length in the lengthwise direction from the first light emitting member. | 02-05-2009 |
20090059620 | BACK LIGHT MODULE - A back light module including a back plate, a light source and a bar lens is disclosed. The bar lens includes a top and a bottom center transparent surfaces, a right and a left top total internal reflection surfaces, a right and a left first emitting surfaces, a right and a left second emitting surfaces, a right and a left bottom total internal reflection surfaces and a right and a left bottom incident surfaces. The center bottom transparent surface is located between the top center transparent surface and the light source. The connecting sequence along the right of bar lens from top center transparent surface is the right top total internal reflection surface, the right first emitting surface, the right second emitting surface, right bottom total internal reflection surface, the right incident surface and the center bottom transparent surface. The connecting sequence on the left is similar to the right. | 03-05-2009 |
20090067193 | Back light unit and manufacturing method thereof - A back light unit and a manufacturing method thereof capable of improving efficiency of a manufacturing process are disclosed. The back light unit includes a light source, a light guiding plate which uniformly transmits a light beam generated by the light source, and a cover portion which forms an external appearance and fixes the light guiding plate, wherein a resin material is charged between the light guiding plate and the cover portion to couple the light guiding plate and the cover portion. | 03-12-2009 |
20090086506 | LIGHT GUIDE PLATE, LIGHT GUIDE PLATE UNIT, AND PLANAR LIGHTING DEVICE - The light guide plate includes a light exit plane, two light entrance planes, two symmetrical inclined rear planes increasingly distanced from the light exit plane from the two light entrance planes toward a center of the light exit plane, a curved portion joining the two inclined rear planes and scattering particles for scattering light travelling inside the light guide plate. The light guide plate satisfies given ranges set for a length between the two light entrance planes, a thickness of each of the two light entrance planes, a thickness at the center of the curved portion, a radius of curvature thereof, tapers of the inclined rear planes, and a particle diameter and a density of the scattering particles, and conditions that a light use efficiency be 55% or greater and that a middle-high ratio represented by the brightness distribution at the light exit plane be greater than 0% and not greater than 25%. | 04-02-2009 |
20090086507 | PLANAR LIGHTING DEVICE - The planar lighting device includes a light guide plate having the light exit plane, two pairs of light entrance planes formed at the four sides of the light exit plane, and rear planes formed opposite to the light exit plane and inclined such that the light guide plate grows thicker toward the center thereof, a pair of main light sources and a pair of auxiliary light sources disposed opposite their respective light entrance planes to emit light to the respective light entrance planes, and illuminance distribution control unit to adjust the amount of light emitted by the main and auxiliary light sources to form a designated local illuminance distribution for any position desired in the light exit plane. The planar lighting device performs area control and line control to adjust illuminance at a light exit plane for any area desired and along any line desired, respectively. | 04-02-2009 |
20090091948 | LIGHT SOURCE MODULE - An exemplary light source module includes a plurality of light emitting units and a light pervious paste. Each light emitting unit includes a light guide plate and a light source optically coupled to the light guide plate. The light guide plate includes a bottom surface, a light emitting surface opposite to the bottom surface, and a plurality of side surfaces interconnected between the bottom surface and the light emitting surface. The light pervious paste is interconnected between two adjacent side surfaces of two neighboring light guide plates. | 04-09-2009 |
20090129117 | Backlight assembly - A backlight assembly is provided. The backlight assembly includes a light emitting diode array including a plurality of light emitting diodes, a light guide plate at the side of the light emitting diode array, and a supporter supporting the light guide plate. Light that is produced by the light emitting diodes positioned at both ends of the light emitting diode array and is incident on the light guide plate is darker than light that is produced by the other light emitting diodes and is incident on the light guide plate. | 05-21-2009 |
20090135624 | SIDE-EDGE TYPE BACKLIGHT MODULE - A side-edge type backlight module includes a first light-emitting unit, a second light-emitting unit, a first high-voltage connector unit and a second high-voltage connector unit. The first light-emitting unit has a first electrode and a second electrode. The second light-emitting unit has a third electrode and a fourth electrode. The fourth electrode is electrically connected to the second electrode of the first light-emitting unit. The first high-voltage terminal is electrically connected to the first electrode of the first light-emitting. The second high-voltage terminal is electrically connected to the third electrode of the second light-emitting unit. | 05-28-2009 |
20090135625 | DISPLAY DEVICE AND OPTICAL DEVICE - Disclosed herein is a display device including, a visual target, and a backlight adapted to illuminate the visual target from the rear, the backlight including, a plurality of first light sources, second light sources, and a light guide plate, wherein the light guide plate has a plurality of projecting portions on a side surface portion thereof upon which the light, produced by the plurality of first and second light sources is incident, the projecting portions being arranged, along the side surface portion and project toward the one side of the given direction, the plurality of first light sources are disposed to be opposed to the tip surfaces of the plurality of projecting portions, and the second light sources are disposed to be opposed to the bottom surfaces of recessed portions formed between the plurality of projecting portions. | 05-28-2009 |
20090154196 | FLEXIBLE LIGHT EMITTING DEVICE - A flexible light emitting device including at least one light source and a flexible light guide is provided. The flexible light guide has at least one light emitting surface and at least one light incident surface. Moreover, micro-structures are located on at least one surface of the flexible light guide except the light incident surface. The light source is disposed beside the light incident surface of the flexible light guide. When the light of the light source is incident into the flexible light guide, the total reflection would be destroyed due to the micro-structures, and thus the light could emit out of the flexible light guide from the light emitting surface. | 06-18-2009 |
20090168455 | BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit for a liquid crystal display (LCD) device, disposed under a liquid crystal panel to illuminate the liquid crystal panel. The backlight unit includes a light guide plate, first and second light emitting diode (LED) arrays, disposed on adjacent sides, perpendicular to each other, of the light guide plate, each array having a plurality of LED blocks, consisting of one or more LEDs, and a control unit that controls electric signals, respectively inputted to the LED blocks, to regulate luminance for the respective LED blocks, wherein light emitted from the first and second LED arrays is overlapped each other in the light guide plate. | 07-02-2009 |
20090168456 | LIGHT SOURCE MODULE FOR A DISPLAY DEVICE AND A DISPLAY DEVICE HAVING THE SAME - A light source module including: a light guide plate having first side surfaces opposite each other and second side surfaces opposite each other, wherein each of the first side surfaces has a length of m and each of the second side surfaces has a length of n, and wherein n≦m; a first light source that is disposed adjacent to one of the first side surfaces; and second and third light sources that are disposed adjacent to the second side surfaces, respectively, wherein an output luminance of the first light source is different from an output luminance of the second light source. | 07-02-2009 |
20090185394 | LIGHT UNIT, BACKLIGHT, FRONTLIGHT, AND DISPLAY DEVICE - A light unit, a backlight, a front light, and a display device, have a structure such that an uneven luminance generated in display is suppressed by radiating light in a sufficient amount even to an end portion of a display region, thereby uniformly radiating light in a sufficient amount to the entire display region, without a complicated structure. The light unit includes a light guide plate and a plurality of light sources, the plurality of light sources being arranged in a line to oppose at least one side surface of the light guide plate, wherein one or more light sources at at least one terminal among the plurality of light sources are positioned outside a lateral edge of a display region, and such a light unit is preferably used in a side-light type backlight or front light. | 07-23-2009 |
20090196069 | PLANAR LIGHTING DEVICE - Provided is a thin, lightweight planar lighting device capable of emitting uniform illumination light free from brightness unevenness and enabling increase in dimensions. The device includes a light source and a light guide plate disposed opposite to the light source, and the light guide plate includes a light entrance plane opposite to the light source and a light exit plane containing one side of the light entrance plane, and has a shape growing thicker in direction perpendicular to the light exit plane with the increasing distance from the light entrance plane and contains scattering particles for scattering light entering through the light entrance plane and propagating the inside thereof. | 08-06-2009 |
20090196070 | LIGHT EMITTING APPARATUS AND LIGHT UNIT HAVING THE SAME - Provides are a light emitting apparatus and a light unit having the same. The light emitting apparatus comprises a light emitting device comprising a light emitting element and a plurality of external leads, and a plurality of electrode pads under the light emitting device. | 08-06-2009 |
20090207629 | PLANAR ILLUMINATING DEVICE AND DISPLAY APPARATUS - In order to realize a thin and simple-structured planar illuminating device which is capable of carrying out the regional light control, a backlight module | 08-20-2009 |
20090219733 | ELECTRONIC DEVICE HAVING LIGHT GUIDE - An electronic device includes a panel, a light guide, and light sources. The panel defines a light area, and includes a transparent main body, an optical clear coating layer painted on the main body, and a light tight coating layer painted on the optical clear coating layer without covering the light area. The light guide is disposed beneath the panel. The light guide fills up the whole light area. The light sources are configured for illuminating the light guide. | 09-03-2009 |
20090251922 | BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - In a backlight device, an upper-side region and a lower-side region serving as placement regions in which light-emitting diodes are respectively placed are provided on an upper side and a lower side of a light guide plate. Further, in the upper-side region and the lower-side region, a plurality of light-emitting diodes are distributed such that their light amounts fall within predetermined ranges. | 10-08-2009 |
20090268485 | BACKLIGHT MODULE - A backlight module including several light sources, a frame, a light guide plate and a flexible printed circuit board is provided. The flexible printed circuit board includes a body and a fixing structure. The body is bent, so that a first part and a second part of the body are respectively disposed on two sides of the frame. The light sources are disposed on the first part, and the light-emitting surfaces of the light sources face the light guide plate. The fixing structure including a structure body, several first connecting portions and two protrusions is disposed on the first part. The first connecting portions extend from the two opposite first sides and are fixed on the body, so that the structure body is positioned above the light sources. The protrusions respectively extend slantwise from the first sides toward the direction opposite to the structure body and insert into the frame. | 10-29-2009 |
20090273949 | Light guiding system for multiple areas - A light guiding system for multiple areas is provided for a mobile communication device with a keypad module. The light guiding system includes a lighting source unit, a light guiding unit, and a control circuit unit. The lighting source unit has at least one light emitting member for generating a single lighting or a combined lighting. The control circuit unit is utilized for controlling the light emitting members of the lighting source unit to emit the single or combined lighting. The light guiding unit is provided for guiding the single or the combined lighting to a portion of or an entire area of the keypad module. Accordingly, the portion of the keypad module or the entire area of the keypad module is lit by the single/combined lighting. The different lighting areas of the keypad module provides a guiding effect that improves the using efficiency. | 11-05-2009 |
20090284984 | LIGHT-EMITTING DEVICE - A light-emitting device ( | 11-19-2009 |
20090316433 | LIGHT GUIDE PLATE AND BACKLIGHT UNIT HAVING THE SAME - In accordance with one or more embodiments of the present disclosure, a light guide plate includes a first light incident surface receiving a first external light, a second light incident surface receiving a second external light and opposite to the first light incident surface, a light exit surface connecting the first and second light incident surfaces to output the first and second external lights, a reflective surface reflecting the first and second external lights in opposition to the light exit surface, and optical path changing portions each of which having a first inclined surface and a second inclined surface. The optical path changing portions are provided on the reflective surface with a predetermined interval and recessed toward the light exit surface to reflect the first and second external lights to the light exit surface. | 12-24-2009 |
20100027291 | BACKLIGHT DEVICE AND PLANAR DISPLAY DEVICE USING THE SAME - Electrode terminals ( | 02-04-2010 |
20100039832 | Changing Graphics in an Apparatus Including User Interface Illumination - An apparatus includes a light guide. A first light input section receives light in a first direction into said light guide. First direction-dependent outcoupling structures selectively couple out light propagating in said first direction in said light guide. A second light input section receives light in a second direction into said light guide. Said second direction is different than said first direction. Second direction-dependent outcoupling structures selectively couple out light propagating in said second direction in said light guide. | 02-18-2010 |
20100053994 | OPTICAL MEMBER, LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - An optical member, a light source device, and a display device, which can prevent or reduce luminance irregularity on the screen of a display panel, include sheet or plate shaped optical member located between the display panel which displays an image and a plurality of light sources including a region provided in an area corresponding to an area in which the arrangement intervals between the light sources are wider (an end portion of the screen of the display panel) and has light reflectance higher than light reflectance in a region provided in an area in which the arrangement intervals between the light sources are narrower (a center portion of the screen of the display panel). | 03-04-2010 |
20100053995 | BACKLIGHT UNIT - A backlight unit is provided that, for a case where on a mounting board on which a plurality of point light sources are mounted, an electronic component other than those point light sources is mounted, can reduce the occurrence of uneven luminance, with no increase in the size of the backlight unit. This backlight unit ( | 03-04-2010 |
20100061117 | Backlight assembly and display device having the same - A backlight assembly and a display device including the backlight assembly are provided for one or more embodiments, where the display device is slim, lightweight, and requires low manufacturing costs because the device integrates a receiving container and a light generating unit cover member. According to an embodiment, the backlight assembly includes a first light generating unit, a wire electrically connected to the first light generating unit, a first fixing member including a groove to fix the first light generating unit and a wire outlet, and a receiving container comprising a light generating unit cover member. The first fixing member includes a protruding portion extending outwardly from the receiving container and the wire outlet formed on the protruding portion. | 03-11-2010 |
20100110727 | Planar lighting device - A planar lighting device provided with a film in front of the light guide plate, wherein the film can be disposed independently of the light guide plate so that the film does not affect the expansion and contraction of the light guide plate while the expansion and contraction of the film are prevented from affecting the light guide plate. The planar lighting device includes a light guide plate, a light source unit, a film supporter and at least one sheet of film. The light guide plate includes a rectangular light exit plane and a light entrance plane existing one side of the light exit plate, the planar lighting device being installed with that one side being located above the opposite side. The light source is disposed opposite the light entrance plane. The sheet of film is suspended from a film supporter and disposed in front of the light exit plane. | 05-06-2010 |
20100157625 | METHOD FOR DISPLAYING MULTIPLE VIEWS - Disclosed is a method for displaying multiple views, including forming a light guide plate having edge faces forming different-direction light incidence surfaces, setting light sources corresponding to the different-direction light incidence surfaces respectively, operating the light sources that correspond to the different-direction light incidence surfaces to respectively give off lights in a fast and intermittently alternating manner, deflecting the lights to respective predetermined orientations with the light guide plate, further deflecting the lights to desired orientations with optic films set on the light emission surface of the light guide plate, and operating a liquid crystal panel to realize control of signals for different images so as to show multiple views with the light sources that give off lights in different directions and the signals of the different images. | 06-24-2010 |
20100172154 | ILLUMINANT DEVICE - In a chassis which has a lid plate closing an opening portion of a frame part and in which a plurality of lamps are juxtaposed, the lid plate includes a plurality of plate bodies juxtaposed with their end parts superposed on each other and a connecting unit connects the superposed end parts of the plate bodies and the superposed end parts of the plate bodies, respectively. | 07-08-2010 |
20100195351 | DISPLAY - A display includes a display panel, a light guide plate arranged on the back side of the display panel, an LED arranged in the vicinity of the side surface of the light guide plate, a circuit board arranged on the back side of the light guide plate, and a plurality of TABs connecting the display panel and the circuit board. The LEDs are arranged between the plurality of TABs in the plan view, and the TAB is arranged to overlap the LED in the side view. In order to achieve uniform illumination with no unevenness in luminance, the TAB and the spot light source are preferably arranged alternately. | 08-05-2010 |
20100208496 | Backlight Assembly and Method of Manufacturing Light Guide Plate Therefor - A backlight assembly and a manufacturing method of light guide plate of the backlight assembly is provided. The light guide plate includes an incident surface to which light is incident, an exiting surface from which the light exits, and a reflection surface facing the exiting surface. The light guide plate includes recesses provided on the reflection surface recessed toward the exiting surface to scatter the light. Each of the recesses has a depth-to-width ratio of about 0.2 to about 0.33. Two prism sheets are disposed on the light guide plate. Light exits from the light guide plate at an angle of about 25 degrees to about 30 degrees. | 08-19-2010 |
20100232179 | PRINTED CIRCUIT BOARD AND BACK LIGHT MODULE USING THE SAME - A back light module includes a printed circuit board and a plurality of surface mounting elements mounted on the printed circuit board. Each surface mounting element is an LED lighting element. The printed circuit board has a plurality of pads. Each of the pads includes a first bar and two second bars extending respectively from two ends of the first bar. The surface mounting element includes a plurality of pins. The pins are placed on two sides of the surface mounting element. The pins are soldered on the pads. | 09-16-2010 |
20100246213 | LIGHT EMITTING DEVICE, DISPLAY DEVICE AND MANUFACTURING METHOD OF THE LIGHT EMITTING DEVICE - A light emitting module ( | 09-30-2010 |
20100302806 | Planar illumination device - A planar illumination device comprises a light guide plate, a point-like light source arranged on an incoming-light face of the light guide plate, an inner frame formed substantially in a U-shape on a top view, and an outer frame having a seat portion and side walls wherein the light guide plate is accommodated in the inner frame and mounted on the seat portion of the outer frame, while the point-like light source is arranged along the incoming-light face of the light guide plate and held between the incoming-light face and the side wall of the outer frame. At the inner frame, an elastic action portion which is elastically deformed so as to make a partial contact with the outer frame and energizes the light guide plate toward the point-like light source is provided. | 12-02-2010 |
20100309686 | LIGHT SOURCE UNIT, LIGHT EMITTING DEVICE, AND DISPLAY DEVICE HAVING SAME - A light emitting device includes at least one light source, a rigid nonconductive light source fixing member having at least one fastening unit that includes a plurality of sections defining spaces where the at least one light source is fixed, a wiring line, which transmits a driving signal to the at least one light source, wherein the wiring line is formed in the light source fixing member such that the wiring line is not directly exposed on the outer surface of the light source fixing member, and an optical waveguide that guides light emitted from the at least one light source. | 12-09-2010 |
20110007522 | PLANAR LIGHTING DEVICE - The planar lighting device includes a light guide plate having the light exit plane, two pairs of light entrance planes formed at the four sides of the light exit plane, and rear planes formed opposite to the light exit plane and inclined such that the light guide plate grows thicker toward the center thereof, a pair of main light sources and a pair of auxiliary light sources disposed opposite their respective light entrance planes to emit light to the respective light entrance planes, and illuminance distribution control unit to adjust the amount of light emitted by the main and auxiliary light sources to form a designated local illuminance distribution for any position desired in the light exit plane. The planar lighting device performs area control and line control to adjust illuminance at a light exit plane for any area desired and along any line desired, respectively. | 01-13-2011 |
20110013423 | LIGHT INJECTION SYSTEM AND METHOD FOR UNIFORM LUMINOSITY OF WAVEGUIDE-BASED DISPLAYS - The attenuation of light per unit length in a waveguide as a result of active pixels (i.e., open pixels) may be corrected or mitigated by injecting apodized light into the waveguide. A light injection system and method is provided to enhance the luminous uniformity of the active pixels in a waveguide-based display. Embodiments of the present invention include a slab waveguide having a first edge and a second edge that intersect at a vertex, a first light source disposed along the first edge, and a second light source disposed along the second edge. The first light source, or the second light source, or both, comprises an apodized light source. | 01-20-2011 |
20110026273 | Optical coupling device for light guiding film - A uniform light source having a substrate for providing structural and functional support to the assembly. A bottom reflector provided on the substrate. A plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. A plurality of light films and having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light source to a uniform plane of light; a joining clip comprising a top capping portion and a bottom support portion, the bottom support portion being aligned perpendicular to the top capping portion and having a height sufficient to house the plurality of light films. A top diffuser for diffusing the uniform plane of light. The plurality of light films has a thickness between 0.1 mm to 1.0 mm. | 02-03-2011 |
20110026274 | Backlight illumination assembly having a joining clip with diffusion means - A uniform light source having a substrate for providing structural and functional support to the assembly. A bottom reflector provided on the substrate. A plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. A plurality of light films and having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light source to a uniform plane of light; a joining clip comprising a top capping portion and a bottom support portion, the bottom support portion being aligned perpendicular to the top capping portion and having a height sufficient to house the plurality of light films. A top diffuser for diffusing the uniform plane of light. The plurality of light films has a thickness between 0.1 mm to 1.0 mm. In addition, the joining clip further comprises a light diffusion means. | 02-03-2011 |
20110069512 | INTEGRALLY ILLUMINATED PANEL APPARATUS AND METHODS - An integrally illuminated panel including a transparent panel having first and second opposing faces and a perimeter edge; a channel along said perimeter edge and, a plurality of lighting elements embedded into the channel, each of said plurality of lighting elements oriented inwardly from said perimeter edge. The channel may be formed into the perimeter edge or into the panel face along the perimeter or distal from the perimeter edge. An integrally illuminated panel may include translucent and opaque panels overlaid onto the transparent panel and an edge shield. | 03-24-2011 |
20110080754 | Foldable Light Source Module and Backlight Module with the Light Source Module - A foldable light source module and a backlight module with the light source module are provided. The light source module includes a first substrate, first light sources, a second substrate, and second light sources. The first substrate has a first surface and a first connecting portion. The first light sources are arranged in a line and disposed on the first surface. A first gap is kept between the neighboring first light sources. The second substrate which has a second surface and a second connecting portion is disposed parallel to the first substrate, wherein the second surface faces the first surface, and the second connecting portion connects to the first connecting portion. The second light sources are arranged in a line and disposed on the second surface. A second gap is kept between the neighboring second light sources. At least a portion of the second light source extends into the corresponding first gap and, conversely, at least a portion of the first light source extends into the corresponding second gap. | 04-07-2011 |
20110096568 | Modular LED edge merchandising system - The present invention may include a display for displaying objects including a mounting panel for mounting a light panel including a LED light, a graphics panel adjacent to the light panel which may include information to be displayed, a magnetic shelf being magnetically attracted to the mounting panel and being detachably connected to the display for displaying objects. The display may include a protective screen adjacent to the graphics panel to protect and hold the graphics panel, and the display may include an first array of LED lights. The first array of LED lights may be positioned down a peripheral edge of the light pane, and the light panel may include a first groove. The first groove may be a horizontal groove, and the light panel may include a second groove. The second groove may be vertical groove, and the light panel may include a second array of LED lights. The second array of LED lights may be positioned on opposing edge of the light panel, and the magnetic shelf may be substantially L-shaped. The magnetic shelf may be substantially Z-shaped, and the magnetic shelf may be a hanger. | 04-28-2011 |
20110096569 | BACKLIGHT DEVICE AND FLAT DISPLAY DEVICE USING SAME - A backlight device ( | 04-28-2011 |
20110103094 | LIGHT SOURCE DEVICE AND DISPLAY UNIT EQUIPPED WITH LIGHT SOURCE DEVICE - Disclosed is a light source device which is made compact while suppressing increase in non-uniformity of brightness caused by existence of a non-light emitting portion between a plurality of light sources. A light source device is characterized in that a plurality of light diffusers have a first light diffuser located in front of a first light source in the light exit direction closely thereto, and a second light diffuser located in front of a second light source in the light exit direction closely thereto. The first light diffuser includes a first light absorbing material which absorbs visible light emitted from the first light source more easily than visible light emitted from the second light source, and the second light diffuser includes a second light absorbing material which absorbs visible light emitted from the second light source more easily than visible light emitted from the first light source. | 05-05-2011 |
20110122652 | DISPLAY DEVICE AND OPTICAL DEVICE - Disclosed herein is a display device including, a visual target, and a backlight adapted to illuminate the visual target from the rear, the backlight including, a plurality of first light sources, second light sources, and a light guide plate, wherein the light guide plate has a plurality of projecting portions on a side surface portion thereof upon which the light, produced by the plurality of first and second light sources is incident, the projecting portions being arranged, along the side surface portion and project toward the one side of the given direction, the plurality of first light sources are disposed to be opposed to the tip surfaces of the plurality of projecting portions, and the second light sources are disposed to be opposed to the bottom surfaces of recessed portions formed between the plurality of projecting portions. | 05-26-2011 |
20110128757 | Backlight Module Having a Light Guide Plate with Prismatic Structures and Manufacturing Method Thereof - A backlight module having a light guide plate with prismatic structures and a manufacturing method thereof are provided. The backlight module includes a light guide plate, a brightness enhancement film, and a light source module. The light guide plate includes a first surface and a second surface opposite to each other. The first surface has prismatic structures disposed side by side thereon. Each of the prismatic structures includes a first slope and a second slope being adjacent to each other and having an included angle with respect to the first surface, respectively. The included angles are equivalent. The brightness enhancement film includes a third surface and a fourth surface opposite to each other. The third surface faces the second surface. The fourth surface has prisms disposed side by side thereon along the extending direction of the prismatic structure. The brightness enhancement film has an optimum incident angle associated with an angle of the prism and corresponding to the included angles. The light source module is disposed beside the light guide plate along the extending direction of the prismatic structure. | 06-02-2011 |
20110141767 | UNIT FOR ILLUMINATING A LIGHT GUIDE PLATE FOR BACKLIGHTING A DIGITAL SCREEN PANEL - The invention relates to a lighting unit ( | 06-16-2011 |
20110157916 | LIGHT EMITTING DEVICE AND DISPLAY DEVICE HAVING THE SAME - A display device includes a display panel and a light emitting device to supply light to the display panel. The light emitting device includes a light emitting element emitting a first light and a fluorescent layer receiving the first light, transmitting a portion of the first light, converting a remaining portion of the first light to a second light having a wavelength range different from the first light, and emitting the second light. The second light emitted by the fluorescent layer has a full width at half maximum equal to or larger than 110 nanometers (nm) and a light emission spectrum having a peak wavelength within a wavelength range of about 530 nm to about 560 nm. The second light has a light emission intensity corresponding to 10 to 30 percent of a peak light emission intensity of the first light. | 06-30-2011 |
20110157917 | Backlight Module with Localized Light Source Control - A backlight module with localized light source control is provided. The backlight module includes a first light guide plate, a second light guide plate, and a plurality of luminous elements. The first light guide plate includes a first side. The second light guide plate includes a second side. The first and second light guide plates are disposed along a first direction, so that the first side of the first light guide and the second side of the second light guide face to each other. The luminous elements are respectively disposed along the first side and the second side and emit lights thereto, wherein at least a portion of the luminous elements disposed along the first side and the second side form a light source module so as to act simultaneously. | 06-30-2011 |
20110157918 | BACK LIGHT MODULE - A backlight module is provided in the present invention. The backlight module includes a light guide plate, a light source plate and a plurality of side-view lighting elements. The light guide plate comprises a light guide body being an integrally-formed single plate body and comprising a plurality of elongated grooves and a plurality of penetrated grooves. The penetrated grooves and the elongated grooves are collectively arranged on a surface of the light guide plate to separate the light guide plate into a plurality of light emitting regions. The side-view lighting elements arranged on the light source plate are attached to a side of the light guide body and respectively disposed for the penetrated grooves to illuminate corresponding light emitting regions. | 06-30-2011 |
20110164436 | BACKLIGHT UNIT, AND DISPLAY APPARATUS THEREOF - A backlight unit is provided that may include a plurality of optical assemblies arranged in a matrix form, and a cover to receive the optical assemblies. Each optical assembly may separately include: a light emitting module having a plurality of light emitting devices, a light guide plate, and a cover provided over a portion of the light guide plate. The optical assemblies may include a first optical assembly, a second optical assembly and a third optical assembly. A top surface of the second optical assembly may be spaced from a top surface of the first optical assembly in a first direction by a first interval, and a top surface of the third optical assembly may be spaced from the top surface of the first optical assembly in the second direction by a second interval. | 07-07-2011 |
20110176332 | 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. | 07-21-2011 |
20110188266 | SEMICONDUCTOR LIGHT EMITTING DEVICE, COMPOSITE LIGHT EMITTING DEVICE WITH ARRANGEMENT OF SEMICONDUCTOR LIGHT EMITTING DEVICES, AND PLANAR LIGHT SOURCE USING COMPOSITE LIGHT EMITTING DEVICE - A semiconductor light emitting device includes a recess portion defined by a pair of opposing first side wall portions and a pair of opposing second side wall portions extending between the first side wall portions and shorter than the first side wall portions. Light emitting elements are arranged on the bottom surface of the recess portion in a direction of the first side wall portions. The light emitting elements include a first light emitting element for emitting light of a first color and a second light emitting element for emitting light of a second color different from the first color and placed closest to the second side wall portion among the light emitting elements. A resin portion containing a phosphor for wavelength-converting a part of the light of the second color into a complementary color of the light of the second color is filled into the recess portion. | 08-04-2011 |
20110222312 | LIGHT EMITTING DEVICE PACKAGE, AND DISPLAY APPARATUS AND LIGHTING SYSTEM HAVING THE SAME - Disclosed are a light emitting device package, and a display apparatus and a lighting system having the same. The light emitting device package includes a body having a recess, a light emitting device received in the recess, and a lead frame connected to the light emitting device. The lead frame includes a bottom frame formed on a bottom surface of the recess, a first side-wall frame formed on a side wall of the recess, and a second side-wall frame formed on a side wall of the recess and bent at a predetermined angle. The second side-wall frame includes a side-wall portion positioned on the side wall of the recess and a protrusion portion bent from the side-wall portion, and the protrusion portion of the second side-wall frame is positioned on a top surface of the body. | 09-15-2011 |
20110235365 | LIGHT INJECTION SYSTEM AND METHOD FOR UNIFORM LUMINOSITY OF WAVEGUIDE-BASED DISPLAYS - The attenuation of light per unit length in a waveguide as a result of active pixels (i.e., open pixels) may be corrected or mitigated by injecting apodized light into the waveguide. A light injection system and method is provided to enhance the luminous uniformity of the active pixels in a waveguide-based display. Embodiments of the present invention include a slab waveguide having a first edge and a second edge that intersect at a vertex, a first light source disposed along the first edge, and a second light source disposed along the second edge. The first light source, or the second light source, or both, comprises an apodized light source. | 09-29-2011 |
20110242846 | LIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - Disclosed are a light unit and a display apparatus including the same. The light unit includes a lens including a flat light incident part having a pattern and a light exit part, a plurality of light emitting devices below the incident part of the lens, and a substrate having the light emitting devices mounted thereon. | 10-06-2011 |
20110261587 | BACKLIGHT UNIT HAVING A POINT LIGHT SOURCE AND DISPLAY APPARATUS HAVING THE SAME - A backlight unit includes; a plurality of point light sources, a light guide plate including lateral sides and main planes substantially perpendicular to the lateral sides, and a printed circuit board on which the point light sources are mounted. At least one side of the light guide plate includes a first plane, which does not correspond to the point light sources, and a light incident plane corresponding to the point light sources and having a predetermined inclination angle with respect to the first plane. | 10-27-2011 |
20110267841 | DISPLAY APPARATUS - Disclosed is a display apparatus. The display apparatus includes a light guide plate, a light source section, a light guide member, and a display panel. The light guide plate has a light incident surface and a light exit surface connected to the light incident surface. The light source section faces the light incident surface and has a plurality of light sources to output the light. The light guide member has a plate-like shape with first and second surfaces facing each other, in which the first surface contacts the light source section, and the second surface contacts the light incident surface, and guides light to the light guide plate. The display panel receives light output through the light exit surface to display an image. | 11-03-2011 |
20110273908 | DISPLAY APPARATUS HAVING RIGHT-HAND AND LEFT-HAND ILLUMINATION UNITS - The invention relates to a display apparatus with a display unit, having means for background lighting at the back of the display apparatus. According to the invention, the means for background lighting comprise two illumination units being provided at the right-hand and left-hand of the display apparatus, said illumination units being formed as substantially vertically positioned, longitudinal light guides comprising means for coupling out light, each of the light guides being provided on at least one of its ends with a light source. The light sources preferably comprise coloured LEDs. | 11-10-2011 |
20110280046 | LIGHT GUIDE APPARATUS FOR BACKLIGHT MODULE - A light guide apparatus for a backlight module is disclosed, which includes a light guide plate, a circuit having a plurality of circuit contacts integrated with the light guide plate, and a light source disposed on the light guide plate and electrically contacted to the plurality of circuit contacts. | 11-17-2011 |
20110305040 | ILLUMINATION DEVICE - A backlight serving as an illumination device includes an LED substrate having a main surface, and plurality of light source units. Each light source unit includes a light guide plate guiding light frontward of the main surface, and a fixture pin provided at the light guide plate for affixing the light guide plate to the LED substrate. The plurality of light source units are arranged planarly on the main surface such that the fixture pin of one light source unit is covered with the light guide plate of an adjacent light source unit to be hidden. The light guide plate is provided pivotable about the fixture pin relative to the LED substrate. By such a configuration, there is provided an illumination device superior in workability at the time of component-exchange of a light source unit. | 12-15-2011 |
20120002444 | BACKLIGHT UNIT OF LIQUID CRYSTAL DISPLAY - Provided is a backlight unit of a liquid crystal display (LCD). The backlight unit includes: a plurality of light guide plates (LGPs) arranged in M layers and separated from each other by a predetermined gap, wherein M is a natural number equal to or greater than two, a light source unit disposed on at least one side surface of each of the LGPs and including N light source blocks whose brightnesses are controlled individually, and wherein N is a natural number equal to or greater than two. The backlight unit further includes a plurality of light output regions defined by each of the LGPs being divided into a plurality of regions according to a distance from the light source unit and by a plurality of light output patterns being formed in some of the regions, and wherein the light output regions do not overlap each other in a stacking direction of the LGPs and are arranged to correspond to a whole surface of the LGPs. | 01-05-2012 |
20120039090 | SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS USING THE SAME - A surface light source device and a display apparatus using the same are provided. The surface light source device includes a light guide plate, a light source assembly, and at least one protecting frame. The light guide plate has a light incident surface. The light source assembly includes a substrate and a plurality of point light sources disposed on the substrate. A light emitting surface of each point light source faces the light incident surface of the light guide plate. The protecting frame is disposed on the substrate and surrounds at least a part of the point light sources. A distance between a top surface of the protecting frame facing the light incident surface and the substrate is larger than a distance between the light emitting surface of each point light source and the substrate. The surface light source device and the display apparatus have better light utilization efficiency. | 02-16-2012 |
20120069599 | TRANSPARENT LUMINOUS WINDOW - The invention relates to a luminous window which can function both as a broad area light source and as a transparent window. The broad area light source is achieved by coupling light into a plate-shaped light guide, e.g. via the edges of the light guide, and extracting light from the light guide using geometric protrusions or diffraction gratings into a scattering layer which outputs the broad area light. The transparent window is achieved by switching the scattering layer into a non-scattering state, and possibly switching off the light source, so that light can propagate freely through the light guide and the scattering layer. | 03-22-2012 |
20120081925 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light source unit, a supporter, a light guide plate, and a display panel. The light source unit includes a substrate and a plurality of light sources disposed on a front surface of the substrate to emit a light. The supporter supports the light source unit. The light guide plate includes a light incident surface facing the front surface of the substrate, to which the light is incident, and a light exiting surface from which the light exits. The display panel receives the light from the light guide plate to display an image. | 04-05-2012 |
20120099342 | Complex Circuit Board and Fabrication Method Thereof - A complex circuit board including a printed circuit board assembly (PCBA) and a flexible printed circuit (FPC) for providing driving signals for light sources is disclosed. The PCBA includes a supporting portion and a connecting portion. The light sources are disposed above the supporting portion. The connection portion contacts electrically with a contacting portion of the FPC. The contacting portion of the FPC has a fixing hole. The connecting portion of the PCBA has a fixing portion. Moreover, the FPC has two or more than two first bend portions on the contacting portion. The fixing portion of the PCBA is inserted into the fixing hole of the FPC to complete the complex circuit board without extra attachment units. Therefore, the assembly procedure is simplified to increase throughput and the cost is reduced. | 04-26-2012 |
20120099343 | LIGHTGUIDE AND LIGHT SOURCE INCORPORATING SAME - A lightguide ( | 04-26-2012 |
20120106199 | EDGE TYPE LIGHT SOURCE MODULE - An edge type light source module has at least one middle light emitting region and edge light emitting region and includes a first edge type light emitting device and a second edge type light emitting device. If the middle light emitting region is a lighting region having a brightness value L1, the edge light emitting region adjacent to the lighting region is a light leakage region. The light leakage region has a predetermined brightness value L2, and a compensation brightness value L2′ of the light leakage region satisfies L2′=L2−(L1*k1*R1), 0≦k1≦1, and 20%≦R1≦60%. If the edge light emitting region is a lighting region having a brightness value L3, the middle light emitting region adjacent to the lighting region is a light leakage region. The light leakage region has a predetermined brightness value L4, and a compensation brightness value L4′ of the light leakage region satisfies L4′=L4−(L3*k2*R2), 0≦k2≦1, and 10%≦R2≦50%. | 05-03-2012 |
20120113682 | SURFACE LIGHTING APPARATUS - According to one embodiment, a surface lighting apparatus includes surface light source units stacked, and a control unit. Each surface light source unit includes a light guide plate and light-emitting units. The light guide plate includes a light incident surface for introducing light emitted by the light-emitting units, and a light-outputting region configured to output light through a front surface. The front surface is provided with a light transmission control part to prevent light from diffusing in a direction of arranging the light-emitting units. The light-emitting units are linearly arranged opposite to the light incident surface. The control unit controls a light intensity for each of the light-emitting units. A light guide plate of each surface light source unit other than a lowermost surface light source unit further includes a window region configured to transmit light output from one or more lower surface light source units. | 05-10-2012 |
20120163028 | MULTI-SEGMENTED LIGHT GUIDE FOR AN INPUT DEVICE - An input device and display apparatus with multi-light segments has been disclosed. The input device may comprise a rigid light guide layer having alignment structures that define the rigid light guide layer into multiple light segments, a plurality of first layer flexible light guide films and a plurality of second layer flexible light guide films. The alignment structures may be formed together when making the rigid light guide layer in an injection molding process. By coupling multiple light sources into each of the light guides, the display may be configured to display multiple color and multiple symbols, independently. In another embodiment, the light guide may be utilized in a display apparatus without a LCD. | 06-28-2012 |
20120163029 | LIGHT GUIDE APPARATUS OF BACKLIGHT MODULE - A light guide apparatus of a backlight module is provided. The light guide apparatus includes a light guide plate and a plurality of LEDs serving as light sources disposed at one lateral side of the light guide plate. The light guide plate includes a circuit configured thereon, and the light sources are welded on the circuit of the light guide plate. | 06-28-2012 |
20120163030 | VIDEO DISPLAY DEVICE, BACKLIGHT UNIT, AND ELECTRONIC DEVICE - According to one embodiment, a video display device includes a housing, a display module, a light guide, two first components, and two second components. The housing houses at least part of the display module. The light guide is located opposite the display screen of the display module with respect to the display module. The first and the second components each include a base portion, a plurality of light emitters, and a connector. The base portion is arranged along an edge of the light guide. The light emitters are arranged on the base portion to face the edge of the light guide. The connector includes a plurality of terminals including anode and cathode electrically connected to the light emitters. The terminals are arranged in the same sequence in the first components and in the second components. | 06-28-2012 |
20120163031 | VEHICLE LIGHT - A vehicle light can allow light to be emitted more uniformly through an elongated area from a fewer number of light sources as compared with a conventional one. The vehicle light can include an outer lens, a plurality of light sources arranged along the outer edge of the outer lens for emitting light in an optical axis direction orthogonal to the arraying direction thereof, an inner lens including a light guide portion elongated in the arraying direction of the light sources and disposed along the optical axis of the light sources, for dispersing the light in a longitudinal direction of the lens and emitting in the optical axis direction, and a first diffusion reflector and second diffusion reflectors configured to be elongated in the longitudinal direction of the inner lens and disposed in the optical axis direction of the lens. | 06-28-2012 |
20120170314 | Backlight Module with Local Dimming Capability - A local dimming side-lighting light guide plate and a local dimming side-lighting backlight module are disclosed. The light guide plate includes a light guide plate body and a first medium, wherein the refractive index of the light guide plate body is greater than the refractive index of the first medium. The light guide plate body includes a plurality of gaps parallel with each other, wherein the first medium is disposed in those gaps. The light guide plate body further includes a light entrance end, wherein the gaps extend in directions both away and toward the light entrance end. Furthermore, an active region is defined on the light guide plate body and the gaps are located in the active region. | 07-05-2012 |
20120170315 | Three-Dimensional Display Apparatus and Backlight Module Thereof - A three-dimensional display apparatus and a backlight module thereof are provided. The display apparatus further includes a display panel disposed on the backlight module. The backlight module has a light guide plate, a plurality of microstructures, a first light source, and a second light source. The light guide plate has a bottom surface and a light emitting surface opposite to the bottom surface, wherein the microstructures are disposed on at least one of the two surfaces. The first light source is at a first corner of the light guide plate while the second light source is at a second corner opposite to the first corner. A first surface and a second surface of the microstructure define an orientation direction (or form a distribution direction) along or parallel to the diagonal line through the first and second corners. | 07-05-2012 |
20120176814 | Display module - A display module includes a display panel that displays an image, a backlight having a light guide panel that guides light onto the display panel and an optical unit including a circuit board, and a housing unit having a mold frame. The circuit board has mounted thereon a plurality of light source elements that supply light into the light guide panel. The light guide panel is accommodated in the mold frame. The mold frame includes at least one accommodation groove in which the light source elements are accommodated, and a separation preventing portion on an inner sidewall of the mold frame that is in contact with the at least one accommodation groove. | 07-12-2012 |
20120182764 | INDOOR ILLUMINATION SYSTEM - A lighting system for an indoor room or space is designed to provide a diffuse, glare free source that illuminates the room from the cornice, or a similar location around the join between the walls and ceiling. This may be achieved via a direct source of illumination at the cornice location, or by projecting illumination from a remote source. The lighting system is further designed to allow for illumination of certain areas of the cornice, and hence the room, whilst leaving other parts dark. There are multiple advantages of an adaptable system such as this, but in particular the lighting conditions can be adjusted for optimum lighting levels, for example dimming selected areas when viewing a television. | 07-19-2012 |
20120182765 | DISPLAY APPARATUS - A display apparatus includes plural light guide plates each including a light incident surface and a light output surface, plural light sources providing light to the light guide plates, and a display panel receiving the light to display an image. The light guide plates have a rectangular shape, are spaced apart from each other and are in a same plane. The light sources are disposed between two adjacent light guide plates. Each of the light sources includes a light emitting surface, and provides the light to the light guide plates through the light emitting surface. The light emitting surface of the light sources is inclined with respect to one side of the light guide plates. | 07-19-2012 |
20120188792 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate including a first surface, a second surface, at least one light incident surface, and a plurality of groove sets is provided. The light incident surface connects the first surface and the second surface. The groove sets are separately disposed on the second surface. Each of the groove sets includes a plurality of curved grooves. Each of the curved grooves has a curved inclined reflective surface and a curved back-to-light surface connected thereto. The curved inclined reflective surface is inclined with respect to the first surface. The curved grooves of each of the groove sets curve toward the same curving direction. The curved inclined reflective surface of one of two adjacent curved grooves is connected to the curved back-to-light surface of the other one of the two adjacent curved grooves through a connection surface. A light source module is also provided. | 07-26-2012 |
20120188793 | BACKLIGHT ASSEMBLY - A backlight assembly includes a light emitting module and a receiving container. The receiving container receives the light emitting module, and includes a first frame, a second frame and a heat dissipation channel. The first frame includes a first bottom, and first sidewalls connected to the first bottom. The second frame includes a second bottom which faces the first bottom and is sealed with the first frame. The first and second bottoms are spaced apart from each other and form the heat dissipation channel therebetween. | 07-26-2012 |
20120195071 | LIGHT SOURCE MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME - A light source module ( | 08-02-2012 |
20120195072 | LIGHT SOURCE DEVICE AND DISPLAY - A light source device includes: a light guide plate having a first internal reflection plane and a second internal reflection plane which face each other; one or more light sources each applying illumination light through a side surface of the light guide plate into an interior thereof; and an optical device disposed to face the light guide plate, and modulating, for each of partial regions thereof, a state of light rays exiting therefrom. One or both of the first and the second internal reflection planes each have scattering regions each allowing the illumination light from the light sources to be scattered and exit from the first internal reflection plane of the light guide plate, and one or both of the first and second internal reflection planes each have total-reflection regions allowing the illumination light from the light sources to be reflected in a manner of total-internal-reflection. | 08-02-2012 |
20120206941 | Side Light Type Backlight Module and Back Plate Heat Dissipation Structure Thereof - The present invention discloses a side light type backlight module and a back plate heat dissipation structure thereof. The back plate heat dissipation structure comprises a bottom part, at least one side wall part and an extension part. The bottom part forms a main body of the back plate heat dissipation structure. The side wall part is formed by at least one edge of the bottom part extending upwards for at least one light source set attached on the inner surface thereof. The extension part is formed by the edge of the bottom part extending upwards. The heat generated by the light source set is conducted to the extension part and the bottom part through the top and the bottom of the side wall part. The total heat dissipation efficiency of the side light type backlight module can be raised by a dual way heat dissipation module. | 08-16-2012 |
20120212977 | APPARATUS AND SYSTEM FOR SEPARATING SPACE - This invention relates to an apparatus for separating space, which can be used as a blade of a window blind, a room divider and a workspace divider etc. The apparatus ( | 08-23-2012 |
20120218778 | DISPLAY ELEMENT AND DISPLAY DEVICE - According to one embodiment, a display element includes a light guide and a light extraction unit. The light guide extends in one direction, and is optically transmissive. The light extraction unit includes a displacement layer, a reflective layer provided on the displacement layer, and a light extraction layer provided on the reflective layer to oppose the light guide. A plurality of prisms are formed in one major surface of the light extraction layer opposing the reflective layer. A trough line is formed between mutually-adjacent ridgelines. The element has at least one selected from a configuration in which an angle between one of the oblique surfaces and one other major surface of the light extraction layer opposing the light guide is different between corresponding oblique surfaces of two mutually-adjacent prisms and a configuration in which the ridgelines of the prisms are non-parallel to the trough line between the ridgelines. | 08-30-2012 |
20120218779 | LIGHTING STRUCTURE OF CHARGING CONNECTOR - A lighting unit | 08-30-2012 |
20120243259 | INTERLEAVED LIGHTING SYSTEM FOR 2D-3D DISPLAY - A light guide plate for a backlight comprises a light transmissive medium. The light transmissive medium preferably has two pairs of opposing sides and a top surface. Also provided is a plurality of interleaved regions of elongated light extraction features on the top surface of the light transmissive medium. Each light extraction figure is configured to extract light injected into the light guide plate and into a direction away from the top surface of the light guide plate. Each elongated light extraction feature has a long dimension and a short dimension. The light extraction features in a first set of the regions are arranged with their long dimension orthogonal to the long dimension of the light extraction features in a second set of the regions. | 09-27-2012 |
20120243260 | ILLUMINATOR WITH LIGHT SOURCE UNITS RADIALLY ARRANGED AT A REFERENCE POINT OF A BASE FRAME - There is provided an illuminator comprising a plurality of light source units that include: a light guide plate; and a plurality of point light sources arranged on a lateral side of the light guide plate, each of the light source units being configured as that light introduced from the plurality of point light sources to the light guide plate is adapted to exit from a main surface of the light guide plate, wherein the plurality of light source units are radially positioned at a reference point of the base frame. | 09-27-2012 |
20120243261 | LIGHT-SOURCE CIRCUIT UNIT, ILLUMINATION DEVICE, AND DISPLAY DEVICE - There are provided a light-source circuit unit, an illumination device, and a display device which are capable of extracting light emitted from the back surface of a light-emitting element chip to the front surface, suppressing a reduction in reflectance, and reducing cost, with a simple configuration. The light-source circuit unit includes a circuit substrate that has a light-reflective wiring pattern on a surface thereof and includes a chip mounting layer as a part of the wiring pattern, and one or more light-emitting element chips that are directly placed on the chip mounting layer, and are driven by a current flowing through the wiring pattern. | 09-27-2012 |
20120250354 | Illuminator for Display and Display - This backlight (illuminator for a display) includes a substrate having a mounting surface mounted with an LED, a light guide plate including a light guide plate body portion guiding light received from the LED to a display panel, a wall portion arranged on a side (along arrow Z | 10-04-2012 |
20120250355 | DISPLAY DEVICE - A display device includes a housing constituted by at least one chassis, a display disposed inside the housing, a light guide plate disposed in the back side face of the display and of which at least one portion of the outer circumference face is formed as an incident face to which light is incident, a light source unit having light sources that are disposed in the sides of the light guide plate so as to face the incident face of the light guide plate and is movable with respect to the chassis in the direction orthogonal to the thickness direction of the light guide plate, a heat dissipating member to which the light source unit is attached dissipating heat generated during driving of the light sources, and a bias unit biasing the light source unit to a direction approaching the incident face of the light guide plate. | 10-04-2012 |
20120257416 | DISPLAY SWITCH UNIT FOR A VEHICLE AND METHOD FOR PRODUCING THE DISPLAY SWITCH UNIT - A display switch unit is provided for a vehicle comprising at least one first and one second light guide plate with first and second light sources disposed at the edges. The light guide plates have switch symbols and proximity sensors having sensor structures. The first light guide plate and the second light guide plate are disposed on one another. Respectively one sensor structure is assigned two switch symbols in both light guide plates. The material of the switch symbols is a plastic with light-sensitive nanoparticles, which is arranged distributed in the light guide plates in such a manner that under edge-side irradiation the switch symbols are visible illuminated in color and three-dimensionally in the light guide plates. | 10-11-2012 |
20120275192 | LIGHT SOURCE MODULE AND ELECTRONIC APPARATUS INCLUDING THE SAME - Each light guide ( | 11-01-2012 |
20120275193 | SPREAD ILLUMINATING APPARATUS WITH LIGHT GUIDING PLATE - A spread illuminating apparatus includes a point-like light source, and a light guiding plate with a light incident face at which the point-like light source direct and an emission surface that exits spread illuminated light emitted from the point-like source and then introduced through the light incident face. A pair of inclined surfaces is provided between the adjacent point-like light sources arranged at the light incident face, the inclined surfaces being configured to incline and narrow as moving toward a front of the light guiding plate in a light emitted direction. | 11-01-2012 |
20120314451 | LIGHTING APPARATUS - A lighting apparatus according to the present invention includes a light guiding unit and a plurality of light sources arranged along the incidence face of the light guiding unit. The plurality of light sources are constituted by a plurality of light source groups such that one light source group corresponds to one block. The one light source group includes a plurality of white light sources and a plurality of color light sources. Among the plurality of color light sources included in the one light source group, the color light sources with an emission color of the highest light intensity, when the light sources are driven under identical drive conditions, are disposed at both ends of the light source group. All of the white light sources included in the plurality of light sources arranged along the incidence face are disposed equidistantly. | 12-13-2012 |
20130016529 | SURFACE LIGHT SOURCE DEVICE AND ELECTRONIC DEVICE PROVIDED WITH SAMEAANM Nishioka; SumitoAACI Osaka-shiAACO JPAAGP Nishioka; Sumito Osaka-shi JPAANM Takayama; TakeshiAACI Osaka-ShiAACO JPAAGP Takayama; Takeshi Osaka-Shi JPAANM Sakai; KeijiAACI Osaka-ShiAACO JPAAGP Sakai; Keiji Osaka-Shi JPAANM Ikuta; KazuyaAACI Osaka-ShiAACO JPAAGP Ikuta; Kazuya Osaka-Shi JPAANM Ishimura; RyojiAACI Osaka-ShiAACO JPAAGP Ishimura; Ryoji Osaka-Shi JPAANM Ishizaka; TakuyaAACI Osaka-ShiAACO JPAAGP Ishizaka; Takuya Osaka-Shi JP - A light source module ( | 01-17-2013 |
20130021823 | LIGHTING APPARATUS - A lighting apparatus is held by a chassis and includes a plurality of LED modules emitting light toward an outer edge portion of the chassis and a light guiding plate for controlling the direction of light emission from the plurality of LED modules to perform illumination. The LED module is not arranged at the outer edge portion of the chassis so that moment acting on the chassis as the apparatus main body holding the LED module can be reduced as compared with the case where the LED module is arranged at the outer edge portion of the chassis. Therefore, the deformation such as bending of the chassis can be prevented. | 01-24-2013 |
20130027977 | ILLUMINATION APPARATUS, DISPLAY APPARATUS, AND ELECTRONIC DEVICE - In an illumination apparatus, a plurality of light-emitting elements are mounted to one surface (a first surface) of a light source substrate. The light source substrate is anchored to a substrate support portion using a screw that is tightened down into the substrate support portion from the opposite side as the light source substrate. Meanwhile, the light source substrate includes a metallic plate that configures another surface (a second surface) and a flexible wiring board that is affixed to the metallic plate on the side of the one surface (the first surface), and a through-hole that passes through the metallic plate is formed, as the hole for tightening down the screw, in the location of the light source substrate in which the screw is tightened. | 01-31-2013 |
20130033901 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A planar light source device includes a first light source for emitting a first light ray having a punctate spatial luminance distribution; a second light source for emitting a second light ray; a first spatial luminance distribution conversion portion for changing the first light ray to a linear spatial luminance distribution; a second spatial luminance distribution conversion portion for changing a spatial luminance distribution of the first and second light rays to a planar spatial luminance distribution; wherein the first light ray is a laser light; the second light ray has a divergence angle larger than the divergence angle of the first light ray when the first light ray is emitted from the first light source; and a slow-axis direction of the first light ray entering the second spatial luminance distribution conversion portion is parallel to an outgoing direction of the planar light. | 02-07-2013 |
20130039093 | BACKLIGHT ASSEMBLY WITH UNIFORM LIGHT DISTRIBUTION - A backlight assembly includes a light guide plate having at least five sides. There is a first side. A second side is parallel to and equal in length to the first side. A third side is perpendicular to the first and second sides. A fourth side is parallel to and shorter in length than the third side. There is at least one oblique side connecting the fourth side to the first or second side. The backlight assembly additionally includes a light source unit disposed the fourth side and the oblique side of the light guide plate. | 02-14-2013 |
20130051075 | LIGHT GUIDE PLATE, DIE, AND DIE PROCESSING METHOD - A light guide plate having a first surface and a second surface opposite the first surface receives the light in a first direction parallel with the second surface and emits the light towards the first surface in a third direction perpendicular to the first surface, the light guide plate including: a light receiving portion which receives the light; a light guiding path which guides the light in the first direction; and an emitting portion which emits the light by reflecting the guided light towards the first surface in the third direction. The emitting portion is a first V-shaped groove having a V-shaped cross-section extending on the second surface in a second direction crossing the first direction. The first V-shaped groove is provided in plurality in the first direction and formed to be deepest in the center in the second direction and become shallower as distance increases from the center. | 02-28-2013 |
20130051076 | PLANAR LIGHTING DEVICE - A light guide plate has a light guide plate body and at one side thereof a curvedly descending portion formed by curving front and rear surfaces of the light guide plate, with the surface to surface distance kept uniform, to a coaxial arcuate configuration so as to extend towards a direction of a rear surface of the light guide plate body. Spot light sources disposed in face to face relation with a free end face of the curvedly descending portion are arranged to be displaced towards the front surface of the light guide plate from a mid-center plane between the front and rear surfaces of the curvedly descending portion. | 02-28-2013 |
20130051077 | BACKLIGHT ASSEMBLY - A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof. The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP. | 02-28-2013 |
20130058130 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate includes a light emitting surface, a bottom surface, a light incident surface and many optical units. Each of the optical units includes a first optical microstructure and a second optical microstructure. The second optical microstructure has a first surface and a second surface. A first cross-sectional line obtained by cutting the first surface along a direction perpendicular to the light incident surface and the light emitting surface is an inclined straight line. A first end of a second cross-sectional line obtained by cutting the second surface along the direction perpendicular to the light incident surface and the light emitting surface and a second end of the second cross-sectional line are connected to form a reference straight line. An acute angle included by the reference straight line and a normal line of the light emitting surface is α. The acute angle α satisfies an equation: | 03-07-2013 |
20130058131 | DISPLAY MEMBER AND DISPLAY DEVICE - Provided are a display member and a display device capable of outputting bright and highly uniform light. Provided is a display member ( | 03-07-2013 |
20130070481 | LINEAR LIGHT SOURCE APPARATUS - The present invention provides a linear light source apparatus in which warpage is suppressed. The linear light source apparatus includes an elongated rectangular wiring substrate; a plurality of light-emitting devices which are aligned on an imaginary straight line on the wiring substrate; reflectors provided on the wiring substrate such that each reflector corresponds to one light-emitting device; a sealing resin portion which seals each of the light-emitting devices; and a fluorescent material sheet provided on the reflectors. Since the fluorescent material sheet is provided so as to cover the reflectors, stress applied to the wiring substrate, which is caused by thermal shrinkage of the sealing resin portion, can be relaxed, warpage of the linear light source apparatus can be prevented, and color unevenness can be suppressed in light emitted from the linear light source apparatus. | 03-21-2013 |
20130077346 | INPUT DEVICE WITH MULTIPLE LAYERS OF LUMINOUS PATTERNS - An input device with multiple layers of luminous patterns is provided. The input device includes an input interface, a first light-emitting element, a second light-emitting element, and a light guide plate. The light guide plate includes an upper light-guiding layer, a lower light-guiding layer, and a gap. The upper light-guiding layer and the lower light-guiding layer are separated from each other by the gap. The light guide plate has multiple layers of luminous patterns, which are selectively visible. Consequently, the overall thickness of the input device is reduced. | 03-28-2013 |
20130077347 | DISPLAY MODULE - A display module includes an outer frame, a light emitting unit, a panel device, and a light guide plate having a light entrance surface and a connecting side. A first recessed portion is formed on the connecting side. The outer frame is disposed on the light guide plate and has a second recessed portion formed thereon corresponding to the first recessed portion. The second recessed portion is complementarily connected to the first recessed portion. The light emitting unit is disposed in the outer frame corresponding to the light entrance surface for emitting light into the light guide plate via the light entrance surface. The panel device is disposed on the light guide plate and contained in the outer frame for receiving the light emitted from the light guide plate. The ratio of the length of the first recessed portion to the length of the connecting side is greater than 0.2. | 03-28-2013 |
20130077348 | LIGHT MODULE AND BACKLIGHT ASSEMBLY INCLUDING THE SAME - A light module for a backlight assembly that prevents metal wiring from being damaged at a bent portion and a backlight assembly including the same are presented. The light module for the backlight assembly includes: a printed circuit board (PCB) including a first portion and a second portion connected by a connection having a bend; a first light source formed on the first portion of the printed circuit board (PCB); a second light source formed on the second portion of the printed circuit board (PCB); a first wiring connecting member connected to the first light source and formed on the first portion; and a second wiring connecting member connected to the second light source and formed on the second portion, wherein the first wiring connecting member and the second wiring connecting member are connected to each other. | 03-28-2013 |
20130088892 | SURFACE LIGHT-EMITTING DEVICE AND DISPLAY DEVICE - A surface light-emitting device ( | 04-11-2013 |
20130094246 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit, a display module and a display device capable of effectively distributing heat inside, the display device including a display panel, a bottom sash disposed at a rear side of the display panel, a plurality of light emitting diodes (LEDs) configured to provide the display panel with light, at least one printed circuit board (PCB) which is disposed at an edge of a front surface of the bottom sash and on which the plurality of LEDs are mounted, and at least one heat radiation sheet mounted on the bottom sash to distribute heat emitted from the plurality of LEDs. | 04-18-2013 |
20130107575 | LIGHT GUIDE PLATE AND ILLUMINATING DEVICE | 05-02-2013 |
20130121027 | LIGHT SOURCE DEVICE, DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A light source device includes: a first light source emitting first illumination light; a light guide plate including a plurality of scattering areas each allowing the first illumination light that has entered the light guide plate through a side surface thereof to be scattered and to exit therethrough; a second light source disposed to face the light guide plate, and emitting second illumination light toward the light guide plate from a direction different from a light emitting direction of the first light source; and light shields arranged between the light guide plate and the second light source at positions other than positions corresponding to the plurality of scattering areas, each of the light shields blocking the second illumination light. | 05-16-2013 |
20130128619 | Backlight Module and Light Source Module Thereof - A backlight module and a light source module thereof are disclosed. The light source module includes a substrate, at least one first light source, and at least one second light source. The substrate includes a first substrate portion and a second substrate portion. The first substrate portion extends along a length direction, and the second substrate portion bends an acute angle corresponding to an extending surface of the first substrate portion. The at least one first light source and the at least one second light source are disposed on the first substrate portion and the second substrate portion respectively. The acute angle is existed between the light-emitting directions of the first light source and the second light source, and the light-emitting directions are parallel to the first substrate portion. | 05-23-2013 |
20130148379 | Backplate and Backlight Module Comprising the Same - A backlight module comprises a light guide plate, at least one light source and a backplate. The backplate comprises a baseplate, four side plates and at least one bridging structure. The backplate is used for supporting the light guide plate, and the side plates are disposed perpendicular to the baseplate respectively to form a receiving space for receiving the light guide plate. The at least one bridging structure extends inwards from an inner surface of the side plates by a certain distance to support and locate the at least one light source and the light guide plate. According to the present disclosure, because at least one bridging structure for supporting the light source is disposed on the side plate of the backplate, use of the heat dissipating aluminum extruded piece can be eliminated to reduce the cost; and furthermore, the at least one bridging structure can be used to accurately fix the positions of the light source and the light guide plate relative to each other, so the light coupling efficiency is relatively high. | 06-13-2013 |
20130148380 | ILLUMINATION UNIT AND DISPLAY APPARATUS USING THE SAME - Disclosed are an illumination unit and a display apparatus using the same. The illumination unit includes first and second reflectors, and at least one light source module placed between the first and second reflectors. The second reflector includes a bottom plate, first lateral plates arranged to face each other in a first direction of the bottom plate, second lateral plates arranged to face each other in a second direction orthogonal to the first direction, a groove formed in at least one of the second lateral plate and the bottom plate, and at least one hole formed in the groove. | 06-13-2013 |
20130163286 | BACKLIGHT MODULE - A backlight module includes a housing, a light emitting unit, plural supporters and a light guiding plate. The housing includes a base and a first frame and a second frame arranged on two opposite sides of the base. Each supporter includes two supporting portions placed on two opposite sides of the light emitting unit. Each supporting portion includes a supporting surface facing the light emitting unit, wherein the supporting surface is slant. A distance between two opposite supporting portions is increased along a direction from the base to a top surface of the supporter. The light guiding plate is arranged on the supporting surfaces of the supporters. The light guiding plate includes a light input surface facing to the light emitting unit and a light output surface facing the first frame. | 06-27-2013 |
20130182458 | LIGHT-EMITTING DEVICE FOR EMITTING DIFFUSE LIGHT - A light-emitting device which has a plate-shaped light guide ( | 07-18-2013 |
20130188393 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a light coupling unit and a plurality of light emitting devices. The light guide plate has a light incident side. The light coupling unit includes a plurality of light coupling devices arranged in a side-by-side manner. Each light coupling device has a first side and a second side, and the first and second sides are opposite to each other. The second side is adjacent to the light incident side. Each light coupling device is configured to have a thickness gradually decreasing from the first side toward the second side. The light emitting devices are disposed beside the first sides of the light coupling devices. Another backlight module is also provided. | 07-25-2013 |
20130188394 | PLANAR LIGHTING DEVICE - A planar lighting device comprises: a mounting substrate having a conduction pattern having an extension part formed on a base material, and a cover member is arranged on the conduction pattern, wherein the cover member has an opening that exposes together the two lands of the two adjacent light sources, and wherein the extension parts comprise: a first extension part formed to extend from a first end portion of the lands toward the light guide plate and to extend under the cover member; a second extension part formed to extend from a second end portion, toward the light guide plate and the other land of the pair of the lands and to extend under the cover member; and a third extension part formed to extend from the first end portion, toward an opposite side to the light guide plate and to extend under the cover member. | 07-25-2013 |
20130194825 | 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. | 08-01-2013 |
20130201723 | LIGHT GUIDE DEVICE - A light guide device for illumination, lighting and display purposes that exhibits an output light having a predetermined, and preferably uniform, angular luminance profile is described. The device comprises a light guide ( | 08-08-2013 |
20130208509 | Backlight Module and Thermal Design Thereof - A backlight module includes a light guide plate, a light source module, a supporting frame, and a heat conductive glue layer. The light guide plate has a light-entering end; the light source module is disposed corresponding to the light-entering end and includes a flexible circuit board and a plurality of light sources. The flexible circuit board extends along the light-entering end and has a light source-bearing area and a heat-dissipating area, wherein a width of the heat-dissipating area in a direction perpendicular to the light-entering end is not smaller than a width of the light source-bearing area. The plurality of light sources are disposed in the light source-bearing area. The supporting frame has a holding portion which is bent to form an accommodation space for accommodating the light source module and the light-entering end. The heat conductive glue layer is disposed between the heat-dissipating area and an inner side of the holding portion for conducting heat from the heat-dissipating area to the holding portion. | 08-15-2013 |
20130235617 | LED EDGE-LIT SIGNAGE UTILIZING DIGITAL PRINT TECHNOLOGY - A display assembly combines a digital display with an edge-lit illuminated faceplate, using light sources mounted around the digital display. The light sources direct illumination radially outwardly of the digital display and into the edge of the faceplate. An intermediate housing may accommodate the digital display, the light sources and the faceplate. The light sources are configurable and the digital display may be programmed to create zones with different content and customizable according to schedules of operation. | 09-12-2013 |
20130242612 | LIGHT GUIDE PANEL AND BACKLIGHT UNIT HAVING THE SAME - A light guide panel (LGP) is provided, which includes a front surface, a rear surface, and four edge surfaces, in which rays of light emitted from light sources are introduced through at least one of the four edge surfaces, a plurality of lenticular patterns formed on one of the front surface and the rear surface, and a plurality of light emitting patterns which induce the rays of light emitted from the light sources toward the front surface. The plurality of light emitting patterns are integrally formed with the plurality of lenticular patterns. | 09-19-2013 |
20130242613 | SURFACE LIGHT SOURCE DEVICE - A variation in luminance is reduced near a light source without decreasing intensity of a light exit pattern. A light source is disposed and a light exit pattern is formed. The light exit pattern reflects light guided in a light guide plate and outputs the light. In inclined angles of tangents of the light exit patterns in a section passing through a center axis of the light exit pattern, a largest inclined angle of the tangent is defined as a maximum inclined angle of the light exit pattern. At this time, in the light exit pattern provided in the light guide plate, the maximum inclined angle is decreased with increasing distance from a light incident surface in a region near the light incident surface, and the maximum inclined angle is decreased or kept constant with increasing distance from the light incident surface in a region distant from the region near the light incident surface. | 09-19-2013 |
20130250616 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly including a container having a light exiting boundary, and a light source part. The container includes a first light source supporting part supporting first and second light sources, and a reflector extending from the first light source supporting part. The reflector reflects the light from the first and second light sources to guide the light to the light exiting boundary. The first light source is disposed under the light exiting boundary and generates the light. The second light source is spaced apart from the first light source in a first direction by a first distance. The first direction is substantially parallel with the light exiting boundary. The second light source is spaced apart from the light exiting boundary in a second direction by a first depth. The second direction is substantially perpendicular to the light exiting boundary. | 09-26-2013 |
20130250617 | LIGHT UNIT - Disclosed is a backlight unit. The backlight unit includes a printed circuit board formed thereon with a plurality of LEDs and a light guide member having receiving holes to receive the LEDs. At least one round part having a predetermined curvature is formed at an edge defined in an intersection between an upper surface and an inner surface of the receiving hole. Since the round part is formed at the edge in the receiving hole receiving the LED at the portion of the light guide member, the light distribution is improved so that the light efficiency is increased. | 09-26-2013 |
20130258716 | BLACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The present invention discloses a backlight module and a liquid crystal display (LCD). A backlight module comprising a plurality of refractive structures, and each of the refractive structure comprises a first refractive surface and a second refractive surface. The first refractive surface and the second refractive surface have a first inclined angle and a second inclined angle, respectively. The lights from the light source corresponding to the refractive structure emitted to the first refractive surface are through the refractive structure by the refraction of the first refractive surface; the lights from the light source corresponding to the refractive structure emitted to the second refractive surface are through the refractive structure by the refraction of the second refractive surface. | 10-03-2013 |
20130258717 | BACKLIGHT UNIT AND IMAGE DISPLAY APPARATUS HAVING THE SAME - A backlight unit includes a light guiding plate; a light source module that is disposed in at least one side of the light guiding plate and includes a plurality of light sources emitting light toward a side surface of the light guiding plate; an under chassis supporting the light guiding plate and the light source module; and a gap maintaining unit maintaining a gap of a constant width between the side surface of the light guiding plate and the plurality of light sources of the light source module when a length of the light guiding plate is changed. | 10-03-2013 |
20130272029 | LIGHT SOURCE MODULE - A light source module is provided. The light source module includes a light guide element, at least one light source and a fluorescence member. The light guide element includes a light incident surface and a light-exiting surface. The light-exiting surface is opposite to the light incident surface. A light-emitting surface of the at least one light source faces the light incident surface of the light guide element. At least one section of the fluorescence member faces the light-exiting surface of the light guide element. | 10-17-2013 |
20130279196 | NANO-LAYERED LIGHT GUIDE PLATE - The present invention provides a nano-layered light guide plate comprising a light input surface for receiving light from at least one light source, a bottom surface comprising a plurality of discrete surface features for extracting the received light and a light output surface for emitting the extracted light, the light guide plate further comprising a plurality of two or more different alternating layers wherein the layers have a thickness less than a quarter wavelength of visible light. | 10-24-2013 |
20130279197 | ILLUMINATION SYSTEMS AND METHODS - This disclosure provides systems, methods, and apparatus for providing illumination for lighting systems. One or more light emitters can be disposed about a longitudinal axis, such as in an at least partial polygonal shape, so that the light sources emit light radially outwardly away from the longitudinal axis. A collimating reflector can be disposed radially outward of the one or more light emitters and can be configured to at least partially collimate the light and to substantially preserve etendue of the light emitted from the light emitters. The one or more light emitters can substantially fill an input aperture of the collimating reflector in a direction of the longitudinal axis. The light can be coupled into a light guide, which can be configured to distribute the light to a target lighting area. | 10-24-2013 |
20130279198 | LIGHT MODULE AND LIGHT GUIDE DEVICE THEREOF - A light guide device includes N+1 light guide plates and N linear plane splitters. The light guide plates include a light outlet face, a light guiding face and a reflection face. The volume of the light guide device is defined by the light outlet face opposite to the light guiding face. The light guiding face has a plurality of first microstructures for diverting the light. The reflection face extends from the light outlet face toward a splitting portion. The linear plane splitters have a first and a second splitting portion. The first and second splitting portions of the i | 10-24-2013 |
20130279199 | LIGHT SOURCE MODULE - A light source module including a light guide plate, a first light-emitting device and a second light-emitting device is provided. The light guide plate has a first surface, a second surface and a light incident surface. The light incident surface includes a first and second light incident sub-surfaces and a first end, wherein the second light incident sub-surface is oblique relative to the first light incident sub-surface. The first light-emitting device is disposed beside the first light incident sub-surface, and the second light-emitting device is disposed beside the second light incident sub-surface. The light guide plate has a visual area, and the visual area has a first corner located beside the first end, a light-emitting range of the second light-emitting device covers the first corner, and the second light incident sub-surface is located between the first end and the first light incident sub-surface. | 10-24-2013 |
20130279200 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel. | 10-24-2013 |
20130294108 | OPTICAL FILM AND BACKLIGHT MODULE USING THE SAME - An optical film applied in a backlight module is provided. The optical film includes a basic layer, a plurality of periodically arranged reflective convex-parts and a plurality of periodically arranged collimating parts. The reflective convex-parts are disposed on the first surface of the basic layer. The reflective convex-part includes at least one reflective side surface and an incident bottom surface contacting a light guide plate. The collimating parts are disposed on the second surface of the basic layer. The reflective convex-parts are respectively corresponded to the collimating parts. In each corresponding pair of the reflective convex-part and the collimating part, a central axis of the reflective convex-part is substantially coincided with a central axis of the collimating part. In addition, a backlight module using the optical film is also provided. | 11-07-2013 |
20130301298 | Backlight Module - A thin backlight module includes a light guide plate, a light source module, and an adhesive layer. The light guide plate has a light-entering end and a bottom, wherein a plurality of troughs spaced at intervals are formed on a portion of the bottom connected to the light-entering end. The light source module is disposed corresponding to the light-entering end and includes a substrate and a plurality of light sources. The light sources are disposed on the substrate and distributed along the light-entering end, wherein each of the light sources corresponds to an interval between the adjacent troughs. The adhesive layer is attached to the substrate, faces the bottom of the light guide plate, and extends into the troughs to be attached to the light guide plate. | 11-14-2013 |
20130308342 | BLACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a back bezel, a light guide plate and a plurality of light sources. The back bezel includes a plurality of bezel convex portions and a plurality of corresponding bezel concave portions. The light guide plate includes a plurality of recesses, and the bezel convex portions of the back bezel are fitted into the recesses of the light guide plate. The light sources are disposed at one side of the light guide plate. The present invention can use the bezel concave portions of the back bezel to improve a heat-dissipation effect. | 11-21-2013 |
20130308343 | BACKLIGHT UNITS AND DISPLAY DEVICES INCLUDING THE SAME - A display device includes a display panel which displays an image, a backlight unit which supplies the display panel with light, an upper cover, and a lower cover. The upper and lower covers accommodate the display panel and the backlight unit. The backlight unit includes light guide plates spaced apart from each other, a light source part, an optical member and an optical diffusion member overlapping a space between the light guide plates. The optical diffusion member includes a diffusing part and a supporting part. The diffusing part faces the optical member, overlaps the space between the light guide plates, and diffuses light emitted from the light source part toward the optical member through the space between the light guide plates. The supporting part protrudes from a surface of the diffusing part which is opposite to the optical member, and is in a space between the light sources. | 11-21-2013 |
20130343087 | SIDE-EDGE BACKLIGHT MODULE - The present invention provides a side-edge backlight module including a light guide plate having first and second mounting sides opposite to each other. The first mounting side forms a first positioning hole, a first positioning slot, and a second positioning slot. The second mounting side forms correspondingly a second positioning hole, a third positioning slot, and a fourth positioning slot. A backplane includes six rivet pins respectively received in the first and second positioning holes and the first, second, third, and fourth positioning slots. The first and second positioning slots and the third and fourth positioning slots are of a right-angled trapezoidal shape having a straight side that is open and an inclined side that is inclined downward in a direction toward the first or second positioning hole. The rivet pins received in the first, second, third, and fourth positioning slots respectively abut against the inclined sides of the trapezoids. | 12-26-2013 |
20140003091 | BACKLIGHT MODULE | 01-02-2014 |
20140009966 | LIGHT GUIDE PLATE AND PLANAR LIGHTING DEVICE - The light guide plate has a first light incidence surface and a second light incidence surface which are provided on end sides of a light exit surface and are orthogonal to each other. The light guide plate includes two or more layers superposed on each other in a direction substantially perpendicular to the light exit surface and containing scattering particles at different particle concentrations. The thicknesses of the two or more layers in the direction substantially perpendicular to the light exit surface change so that a combined particle concentration of the light guide plate has, in directions perpendicular to the light incidence surfaces, a first local maximum value located on sides closer to the light incidence surfaces and a second local maximum value located at positions farther from the light incidence surfaces than positions of the first local maximum value and being larger than the first local maximum value. | 01-09-2014 |
20140016354 | BACKLIGHT MODULE - A backlight module for illuminating a display is described. The backlight module may be provided in an electronic device along with a light source for illuminating an LCD display. The backlight module includes a diffuser, a light guide having a top surface and a bottom surface, a reflector, and a prism structure positioned between the light guide bottom surface and the reflector. The prism structure has a plurality of prisms extending towards the light guide. The prism structure may include a film or a top portion of the reflector having a plurality of prisms extending towards the light guide. | 01-16-2014 |
20140022822 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes an optical member, a receiving container and a combining member. The optical member is configured to change optical characteristics of light. The receiving container includes a bottom plate and a sidewall. The bottom plate is disposed under the optical member and is configured to receive the optical member thereon. The sidewall extends from the bottom plate to form a receiving space with the bottom plate. The optical member is received in the receiving space. The combining member includes a first frame, a second frame and a third frame. The first frame partially covers a bottom surface of the optical member. The second frame protrudes upwards from the first frame. The third frame protrudes from an inner surface of the second frame to partially cover an upper surface of the optical member. | 01-23-2014 |
20140029302 | BACKLIGHT MODULE AND ASSEMBLY METHOD THEREOF - A backlight module includes a light guide plate with at least one light incident surface, and a light source structure arranged at a side of the light guide plate. The light source structure includes a reflection cover and at least one light emitting module. At least one positioning pin is arranged on the reflection cover. The at least one light emitting module is installed on the reflection cover and corresponding to the at least one light incident surface. The at least one light emitting module is fixed on the positioning pin in a rotatable manner, such that the at least one light emitting module can rotate around the positioning pin as an axis when the reflection cover is combined with the light guide plate, so as to allow the at least one light emitting module facing the at least one light incident surface. | 01-30-2014 |
20140036538 | COATINGS TO ELIMINATE LED HOT SPOTS - A display that contains a backlight that incorporates an optical coating either on or above the light guide in order to reduce the appearance of optical hotspots on the display is provided. The optical coating can be patterned to correspond to the position of each light emitting diode in the display and can be made, as an example, from either reflective, diffusive or dichroic material. The coating can work to overcome the hotspots created by insufficient light mixing distance in the backlight. | 02-06-2014 |
20140036539 | DISPLAY HAVING A SEPARATE LIGHT SOURCE - The present invention relates to a display device using a separate light source, and the display device includes: a light guide including a plurality of corners and a plurality of edges connecting the corners to each other; a printed circuit board (PCB) disposed at at least one of the plurality of corners of the light guide; at least one light source disposed on the PCB; a display panel overlapping the light guide; and an auxiliary function module disposed proximate to an edge of the light guide connected to the corner where the light source is disposed, wherein the edge of the light guide connected to the corner where the light source is disposed has a depressed portion, and the auxiliary function module is disposed in correspondence with the depressed portion. | 02-06-2014 |
20140036540 | LIGHT SOURCE MODULE AND BACKLIGHT ASSEMBLY HAVING THE SAME - In a light source module and a backlight assembly having the light source module, the light source module includes a flexible printed circuit board; a light source part on an upper surface of the flexible printed circuit board and including a light emitting chip; a substrate on a lower surface of the flexible printed circuit board; and a heat dissipating part which extends from the light emitting chip and contacts the substrate. | 02-06-2014 |
20140036541 | SPREAD ILLUMINATING APPARATUS - A spread illuminating apparatus includes a plurality of point light sources; a printed circuit board on which the plurality of point light sources is each mounted; and a light guide plate with a light input surface facing the point light source and a light output portion that exits plane light emitted from the point light source and introduced through the light input surface, wherein the light guide plate includes an inclination portion between the light input surface and the light output portion, the inclination portion having a thickness gradually decreasing toward the light output portion side, an inclined surface of the inclination portion includes a pedestal for disposing the printed circuit board in an area except the front of the point light source, and a light-blocking member is disposed between the neighboring pedestals. | 02-06-2014 |
20140036542 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light guide plate, a light source unit and a display panel. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. The light source unit includes a light source which generates light and is disposed adjacent to the incident and has an emitting surface inclined with respect to the incident surface. An extension line of a normal line of the emitting surface passes through the opposite surface, and the light is incident into the incident surface while being inclined toward the opposite surface. The display panel displays an image by receiving the light emitted from the exit surface. | 02-06-2014 |
20140043856 | DIFFRACTIVE LUMINAIRES - Extended area lighting devices, which are useful e.g. as luminaires, include a light guide and diffractive surface features on a major surface of the light guide. The diffractive surface features are tailored to extract guided-mode light from the light guide. The light guides can be combined with other components and features such as light source(s) to inject guided-mode light into the light guide, light source(s) to project light through the light guide as non-guided-mode light, a framework of interconnected support members (attached to multiple such light guides), and/or a patterned low index subsurface layer that selectively blocks some guided mode light from reaching the diffractive surface features, to provide unique and useful lighting devices. Related optical devices, and optical films having diffractive features that can be used to construct such devices and light guides, are also disclosed. | 02-13-2014 |
20140043857 | BACKLIGHT DEVICE, DISPLAY DEVICE INCLUDING THE SAME, AND MANUFACTURING METHOD FOR BACKLIGHT DEVICE - A backlight device is provided. A backlight device according to an exemplary embodiment of the present invention includes: a lower cover enclosing a light guide plate and having a bottom cover and a side cover; and a printed circuit board attached to the lower cover and mounted with the light source, wherein the first opening is formed in the lower cover. The light source is inserted into the first opening and is positioned on an inner surface of the lower cover, and the printed circuit board is positioned at the outer surface of the lower cover. | 02-13-2014 |
20140043858 | LIGHT GUIDE PLATE AND DISPLAY DEVICE HAVING THE SAME - Light guide plate and a display device having the same. According to an aspect of the present invention, there is provided a display device comprising a light guide plate (LGP) comprising a base, sidewalls which protrude from a surface of the base, and covers which protrude towards a center of the base, and a display panel disposed on the LGP. | 02-13-2014 |
20140063851 | DISPLAY DEVICE - A brightness distribution of light emitted from one specific light source and outputted from the light outputting part of a light-guide part has a characteristic of having a mountain-shaped distribution increasing from a position of the specific light source, then reaching a maximum value, and then decreasing with distance from a specific light source, and a light source adjacent to the specific light source is disposed at a position where a brightness distribution decreases from the maximum value of the brightness distribution. | 03-06-2014 |
20140063852 | LIGHT GUIDE PLATE, PLANAR LIGHTING DEVICE AND METHOD OF MANUFACTURING LIGHT GUIDE PLATE - A light guide plate is provided which is high in light use efficiency, and is capable of emitting light with reduced luminance unevenness and obtaining a convex distribution. The light guide plate includes two or more layers which change in thickness in a direction substantially perpendicular to a light exit surface. A combined particle concentration changes so as to have a first local maximum value on a side closer to each of one or more light incidence surfaces and a second local maximum value which is larger than the first local maximum value. Each of the one or more light incidence surfaces is a roughened surface obtained by forming a cut and polished surface having a given periodic structure in a direction parallel to a longitudinal direction of each of the one or more light incidence surfaces. | 03-06-2014 |
20140071711 | Lighting Module Having Improved Lighting Uniformity - The present invention relates to a lighting module including
| 03-13-2014 |
20140078779 | LIGHT GUIDE PLATE, METHOD FOR FABRICATING THE SAME AND BACKLIGHT UNIT - Embodiments of the invention relate to a light guide plate, a method for fabricating the same and a backlight unit. The light guide plate comprises a low density region and a plurality of high density regions, wherein the plurality of high density regions are separately disposed on a light incident side of the light guide plate. | 03-20-2014 |
20140085932 | DISPLAY DEVICE - A display device includes a display panel, a backlight unit, a support member, a protection member and a spacing member. The backlight unit includes a printed circuit board on which light emitting blocks are mounted and a light guide. The spacing member presses the printed circuit board against the support member and uniformly maintains spaces between light output surfaces of the light emitting blocks and a light input surface of the light guide. | 03-27-2014 |
20140085933 | DISPLAY DEVICE HAVING AUXILIARY DISPLAY REGION - A display device includes an exterior surface; a main emission region comprising a side edge when viewed in a viewing direction perpendicular to the exterior surface; and an auxiliary emission region next to the side edge when viewed in the viewing direction. The device further includes a light-guide plate disposed in the auxiliary emission region when viewed in the viewing direction; and a first light source disposed adjacent to the light-guide plate and configured to emit light in a first direction to supply the light to the light-guide plate. An imaginary straight line extending from the first light source in the first direction is tilted with respect to the side edge while not crossing the side edge. | 03-27-2014 |
20140098567 | DISPLAY DEVICE - According to one embodiment, a display device includes light sources, light guides, interconnects, first electrodes, a second electrode, an insulating layer and a drive unit. The light guides extend in a first direction. The interconnects extend in a second direction. Each of the first electrodes is connected to each of the interconnects. Slits are provided in each of the first electrodes. The second electrode is provided between the first electrodes and the light guides. The insulating layer is provided between the first and second electrodes. The drive unit is connected to the interconnects and the second electrode. The drive unit creates first and second states by changing a voltage between the first and second electrodes. The light is extracted from the light guides in the first state. An intensity of the light extracted in the second state is lower than that in the first state. | 04-10-2014 |
20140112019 | DISPLAY DEVICE HAVING A SIMPLIFIED ASSEMBLY OF COMPONENTS - A display device having a simplified assembly of components. The display device includes a display panel, a circuit board, a light guide plate disposed under the display panel to guide a light toward the display panel, a molding member disposed between the display panel and the light guide plate, and a covering member extending from a lower surface of the light guide plate to an upper surface of the display panel. The light guide plate has a supporting portion that protrudes from a side surface of the light guide plate to support the circuit board disposed adjacent to an edge of the display panel. The molding member supports the display panel. The covering member fixes the components of the display device. This way a display device is provided that does not need a bottom chassis, thereby the assembling of the display panel is simplified. | 04-24-2014 |
20140112020 | IMAGE SENSOR UNIT, AND IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS USING THE SAME - An image sensor unit includes: a light guide reflecting light rays entering through a first light entering surface and a second light entering surface provided at both ends thereof, by a reflection surface to make the light rays exit through a light exiting surface and illuminates an original; a first light source provided near the first light entering surface; a second light source provided near the second light entering surface and different in wavelength from the first light source; and a first reflection part and a second reflection part provided on the reflection surface and composed of dot patterns constituted of two kinds of dots different in spectral reflectance. | 04-24-2014 |
20140119054 | BACKLIGHT ASSEMBLY - A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP. | 05-01-2014 |
20140133181 | ILLUMINATION DEVICE AND DISPLAY DEVICE - This illumination device ( | 05-15-2014 |
20140146568 | LIGHT SOURCE MODULE AND DISPLAY MODULE - A light source module including a light guide plate and a light source is provided. The light guide plate has a light incident surface and a light emitting region, and the light guide plate has a plurality of grooves or protruding patterns thereon. The length of the grooves or the protruding patterns is smaller than the length of the light guide plate. The light source is disposed on the light incident surface of the light guide plate, and the grooves or the protruding patterns of the light guide plate are disposed beside the light incident surface. | 05-29-2014 |
20140153286 | LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE - The present invention is directed to a light guide plate, a backlight module and a display device with the light guide plate comprising a bottom surface containing space for holding light sources, a light emitting surface opposite the bottom surface and a quantum dot layer is arranged in the containing space in the direction of the light emitting surface. Since the bottom surface of the light guide plate is provided with the containing space for holding the light sources, and the light sources are limited within the containing space, light diffusion due to the fact that the light sources are positioned outside the light guide plate is reduced, loss of light is reduced, and quantity of the light sources in the backlight module is reduced. Since the quantum dot layer is arranged in the containing space toward a direction of the light emitting surface, white mixed light is formed according to fluorescent effect of quantum dot materials. Further, as the quantum dots have the characteristics of high color gamut and high transmittance, display effect can be improved. | 06-05-2014 |
20140160794 | Backlight Source and Assembly Method of the Same - The present invention provides a backlight source and an assembly method of the backlight source. The backlight source includes at least one light source, a printed circuit board, and a light guide plate on which a second alignment mark is arranged. The light source is arranged on the printed circuit board on which a first alignment mark is arranged. When the first alignment mark is aligned with the second alignment mark, the light source is arranged at an edge of the light guide plate and a light emitted from the light source is guided into the light guide plate. In the backlight source and the assembly method of the backlight source, the alignment marks are arranged on the light guide plate and the printed circuit board having the light source so that the light guide plate and the light source are properly positioned. | 06-12-2014 |
20140160795 | LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE BOTH WITH THE LIGHT GUIDE PLATE - A light guide plate, a backlight module and a display device both comprising the light guide plate are disclosed. The light guide plate comprises a light emitting surface and multiple side surfaces perpendicular to and connected to the light emitting surface, the side surfaces including at least one first side surface and at least one second side surface. The light guide plate further comprises at least one set of folded surfaces perpendicular to and connected to the light emitting surface. Each set of folded surfaces is connected between a pair of first side surface and second side surface which are adjacent with each other. Each set of folded surfaces includes multiple light incident surfaces which are connected one by one. In the light incident surfaces in same set of folded surfaces, any two adjacent light incident surfaces form an acute angle opened toward inside of the light guide plate. | 06-12-2014 |
20140211506 | ILLUMINATION DEVICE AND DISPLAY DEVICE - In an illumination device of the invention, as an arrangement interval of light deflection elements in a first direction discontinuously varies, an arrangement interval in a first direction becomes small with increased distance from an incidence face, where one of regions adjacent to each other which is close to the incidence face is referred to as a first region, the other of the regions which is away from the incidence face is referred to as a second region, as the arrangement interval of the light deflection elements in a second direction discontinuously varies at a boundary between the first region and the second region, the arrangement interval of part of the first region which is closest to the incidence face is smaller than the arrangement interval of part of the second region which is closest to the boundary. | 07-31-2014 |
20140218971 | DISPLAY DEVICE, JOINT DISPLAY AND BACKLIGHT MODULE - A display device includes a display element, an image compensation element, and a backlight module. The display element includes a main display region and a periphery display region located at one side of the main display region, each of the main display region and the periphery display region includes a plurality of pixels. The image compensation element includes a compensation portion corresponding to the periphery display region, and the image compensation element extends an image of the periphery display region to one side of the periphery display region away from the main display region. The backlight module provides first light beams to the main display region and second light beams to the periphery display region, and an intensity of the first light beams is smaller than an intensity of the second light beams. | 08-07-2014 |
20140241007 | REFLECTOR, LIGHT SOURCE MODULE, AND DISPLAY DEVICE - A reflector, a light source module, and a display device are disclosed. The reflector includes a substrate and slant reflecting surfaces disposed on the substrate and arranged from a first side to an opposite second side of the reflector. Each slant reflecting surface has an arc-shaped orthogonal projection on the substrate and is not parallel to the substrate. The light source module includes a light guide plate, a light emitting device, and the reflector, and the display device further includes a display panel. The light guide plate has a first surface, at least one opposite second surface, and a light incident surface connecting therebetween. The reflector is disposed at one side of the second surface. The slant reflecting surfaces are parallel to the second surface but not parallel to the first surface. The reflector offers improved luminous efficiency, and the light source module and the display device offer improved brightness. | 08-28-2014 |
20140247622 | HEAT DISSIPATION STRUCTURE OF TABLET DISPLAY MEMBER - A heat dissipation structure of tablet display member, which is applicable to an electronic product. The heat dissipation structure includes: at least one heat conduction plate assembly partially positioned beside a light source assembly of the display member, the heat conduction plate assembly having a heat conduction face adjacent to the light source assembly; and a heat spreader able to quickly transversely conduct heat. The heat spreader is attached to the heat conduction plate assembly. The heat spreader has a proximal-to-heat-source section proximal to the light source assembly and a distal-from-heat-source section distal from the light source assembly. The heat conduction plate assembly and the heat spreader cooperate with each other to conduct and spread the heat of the heat source in different directions so as to uniformly dissipate the heat and avoid accumulation of the heat around the heat source. | 09-04-2014 |
20140268877 | LUMINOUS ELEMENT, BAR-TYPE LUMINOUS ELEMENT AND APPLICATIONS THEREOF - A luminous element includes a heat dissipation plate, a body, a plurality of LED chips, a first connector and a second connector. The heat dissipation plate includes a die-bonding area and a heat dissipation area opposite to the die-bonding area. The body surrounds the heat dissipation plate, and includes a first body surface and a second body surface opposite to the first body surface. The first body surface includes a concave part exposing the die-bonding area. The second body surface includes an opening exposing the heat dissipation area. The LED chips are mounted on the die-bonding area. The first and the second connectors are disposed on the body, and they can be pluggably connected to an external power source or other connectors. The LED chips are connected to the electrical input terminals in the first and the second connectors. | 09-18-2014 |
20140286052 | MODULAR LIGHT-EMITTING PANEL ASSEMBLY - A modular light-emitting panel assembly has first and second light guides edge lit by respective light sources. Each light guide has a light input edge, opposed side edges, opposed major surfaces and a pattern of light extracting elements at at least one of the major surfaces. The light guides are juxtaposed with a side edge of the first light guide abutting a side edge of the second light guide at a seam and with the major surfaces nominally coplanar. Various embodiments of the panel assembly additionally include respective structures that reduce visibility of the seam when the light sources illuminate the panel assembly. | 09-25-2014 |
20140293651 | LIGHT SOURCE SYSTEM HAVING LIGHT GUIDE ROUTES - A first light guide route is defined as a route including a first light source, a first light source light emitting end, a first optical connection terminal, a first light guide member, and a first light emitting member, and a second light guide route is defined as a route including a second light source, a second light source light emitting end, a second optical connection terminal, a second light guide member, and a second light emitting member. The first light source light emitting end and the first optical connection terminal are constituted based on desirable first optical specifications, and the second light source light emitting end and the second optical connection terminal are constituted based on desirable second optical specifications, so that the first or second light guide route can be constituted. | 10-02-2014 |
20140307473 | BACKLIGHT UNIT FOR USE IN MULTIPLE-DISPLAY DEVICE - A display device includes at least two display panels and a frame for supporting the display panels. The frame includes a partition wall configured for supporting at least an end portion of the display panels. A backlight unit is located at one side of the display panels and provides light to the display panels. The backlight unit includes a strip light source, a longitudinal edge of which is extended along a longitudinal edge of the partition wall for emitting light to the display panels disposed at opposite side of the partition wall and two light-guiding plates disposed at opposite sides of the strip light source for guiding the light emitted from the strip light source into the display panels. | 10-16-2014 |
20140307474 | DISPLAY DEVICE - A display device includes a display panel, a protective member, a light guide member, a light source, and a light leakage preventing member. The display device includes a display surface concavely curved in a first direction. The light leakage preventing member is coupled to the protective member to be movable according to expansion or contraction of the light guide member. The light leakage preventing member contracts and expands according to the expansion or contraction of the light guide member, and includes an elastic part to prevent the light source from being damaged by the expansion of the light guide member. | 10-16-2014 |
20140307475 | DISPLAY DEVICE, ELECTRONIC APPARATUS AND LIGHTING DEVICE - In a lighting device of a display device, a plurality of light emitting elements are mounted on a surface of a light source substrate, and the light source substrate is supported by a light source support member by means of a positioning (fixing) structure such as a metal screw. The plurality of light emitting elements are divided into a plurality of blocks, and the emission light amount can be controlled with respect to each of the blocks. Although the head of the screw is exposed on the surface of the light source substrate, the screw is located between adjacent ones of the blocks. Therefore, even though the illuminating light intensity becomes partially discontinuous owing to the presence of the screw, degradation of display quality originating from such discontinuity can be suppressed. | 10-16-2014 |
20140313777 | LIGHT GUIDING PLATE AND BACKLIGHT MODULE USING SAME - A light guiding plate includes a bottom surface, a light emitting surface opposite to the bottom surface, and a light incident surface perpendicularly connected between the bottom surface and the light emitting surface. The light guiding plate defines a plurality of recesses in the light incident surface. Each recess includes a concave surface, and the concave surface is connected between the light emitting surface and the bottom surface. Each concave surface forms a smooth curve on the light emitting surface. A distance between two points of the smooth curve the same distance away from the light incident surface gradually decreases along a direction away from the light incident surface. | 10-23-2014 |
20140313778 | Multi-Wing Edge-Lit Structure - A multi-wing edge-lit structure includes a first edge-lit light guide panel, a second edge-lit light guide panel, and a joiner unit. The first edge-lit light guide panel is adjustably attached to the joiner unit on a first side of the joiner unit. The second edge-lit light guide panel is adjustably attached to the joiner unit on a second side of the joiner unit. The first side and the second side are opposite sides of the joiner unit. | 10-23-2014 |
20140340936 | BACKLIGHT MODULE AND DISPLAY DEVICE - A backlight module includes a plurality of first light emitting elements and a light guiding plate including a first side, a second side and a light output side having microstructures at least disposed in a near-light region of the light guiding plate. The near-light region is defined as from a first line to a predetermined second line at the light output side. The microstructure has a width P and height H, the light-guiding plate has a thickness T, a pitch between the adjacent first light-emitting elements is defined as P | 11-20-2014 |
20140347886 | DISPLAY MODULE - A display module includes an outer frame, a light emitting unit, a panel device, and a light guide plate having a light entrance surface, a light exit surface, and a connecting side. A connecting ear portion is extendedly formed from the connecting side for extending into the outer frame to fix the light guide plate onto the outer frame. The light emitting unit is disposed in the outer frame corresponding to the light entrance surface for emitting light into the light guide plate via the light entrance surface. The panel device is disposed on the light guide plate and contained in the outer frame for receiving light emitted from the light guide plate. The connecting ear portion is away from the light exit surface by a vertical distance, and the ratio of the length of the connecting ear portion to the length of the connecting side is greater than 0.2. | 11-27-2014 |
20140347887 | BACKLIGHT ASSEMBLY - A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP. | 11-27-2014 |
20140355307 | DISPLAY APPARATUS - A display apparatus is provided, including a panel module and a light module. The panel module has a display surface. The light module is disposed on a side of the panel module and has a main light source and an auxiliary light source. The main light source emits a first light to the display surface to produce an image. The auxiliary light source emits a second light to the display surface to increase the brightness of at least one first region of the image. | 12-04-2014 |
20140369072 | Transparent Display Apparatus - A transparent display apparatus is provided. The display apparatus includes a plurality of white sub-pixels and a plurality of color sub-pixels that are mixedly arranged. The display apparatus also includes a control module for controlling the white sub-pixels and the color sub-pixels. When the display apparatus is in a transparent mode, the control module reduces or stops light emitting from the color sub-pixels and allows at least a part of ambient light behind the white sub-pixels to emit from the white sub-pixels to achieve the see-through effect. When the display apparatus is in a display mode, the control module adjusts at least one of the white or color sub-pixels to ensure that light from the white sub-pixels is far less than light from the color sub-pixels. | 12-18-2014 |
20140369073 | 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. | 12-18-2014 |
20150036384 | LIGHT EMITTING MODULE AND BACKLIGHT ASSEMBLY HAVING THE SAME - A light emitting module includes a first and second light source spaced apart from each other and each configured to generate and emit light; the first light source; and a metal board which is electrically connected to the first and second light sources. The metal board includes a body portion upon which the first and second light sources are disposed; first and second side portions respectively on first and second ends of the body portion; a first insulation layer which is between the body portion and the first side portion and insulates the body portion from the first side portion; and a second insulation layer which is between the body portion and the second side portion and insulates the body portion from the second side portion. | 02-05-2015 |
20150036385 | SPREAD ILLUMINATING APPARATUS - A spread illuminating apparatus includes a plurality of LEDs, an FPC on which the plurality of LEDs are mounted, and a light guide plate. The FPC is fixed to an underside surface of the light guide plate using a double-sided tape, and the plurality of LEDs are disposed opposing an incident light surface of the light guide plate. The double-sided tape includes a white substrate that reflects light and a white adhesive layer that reflects light and is formed on a surface of the white substrate on a side opposing the light guide plate. The white adhesive layer is prepared by mixing a light reflecting substance into an adhesive. Thereby, the brightness and environmental resistance of the spread illuminating apparatus can be improved. | 02-05-2015 |
20150055372 | Thin Type Display Module - A display module including a backlight module and a display panel is provided. The backlight module includes a light guide plate and a light source module. The light guide plate has a light incident surface, a light-exiting surface, a light-guiding inclined surface, a bottom surface, and a lateral surface, wherein the light-guiding inclined surface is connected to the light incident surface and the light-exiting surface; the light incident surface, the light-guiding inclined surface, and a portion of the bottom surface constitute a wedge portion while the light-exiting surface, the lateral surface, and other portions of the bottom surface constitute a plate portion. The light source module is disposed at the light incident surface and emits light into the wedge portion. The display panel is disposed on the light guide plate and has a side. The side of the display panel has a projection disposed in the light-guiding inclined surface or the plate portion. | 02-26-2015 |
20150070934 | BACKLIGHT MODULE AND DISPLAY DEVICE USING THE SAME - The invention provides a backlight module including: a planar illuminant portion having a first surface and emitting light from the first surface; an optical film assembly adhered to the first surface of the planar illuminant portion and having a bottom optical film and at least an upper optical film layered above the bottom optical film; and a ring-shaped frame surrounding the planar illuminant portion and having a first extension portion extending along a direction parallel to the first surface, wherein the bottom optical film extends toward the ring-shaped frame more than the upper optical film such that the first extension portion covers at least an edge of the bottom optical film. | 03-12-2015 |
20150078034 | PLANAR LIGHT SOURCE - A planar light source including an LGP and first and second light sources are provided. The LGP has a first surface and a second surface opposite to each other and a first groove and a second groove. The first groove and the second groove are respectively located on the first surface and the second surface, and are respectively located at two sides of a center line of the LGP, where the center line equally divides the first surface and the second surface. The first groove has a first side surface and a first light incident surface, and the second groove has a second side surface and a second light incident surface, where the light sources are disposed in the grooves. The light sources are suitable for respectively providing a light beam entering the LGP through the corresponding light incident surface. | 03-19-2015 |
20150092446 | CIRCUIT BOARD AND LIGHTING DEVICE HAVING THE CIRCUIT BOARD - Provided is a circuit board including: a support substrate including a first region and a second region extending to be bent from the first region; light emitting devices mounted to the first region of the support substrate; and a bending portion bent between the first region and the second region, wherein the bending portion comprises: an interconnection line arrangement portion that crosses an interconnection line; and an interconnection line protection portion disposed on the periphery of the interconnection line, wherein the interconnection line protection portion protrudes more than the interconnection line arrangement portion. | 04-02-2015 |
20150124484 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a substrate, a plurality of light sources disposed on the substrate; and a light guild sheet disposed on the substrate. The light guild sheet includes first recesses and second recesses, and the light sources are received in the first recesses, and the second recesses are formed a light output surface thereof. The present invention can form a uniform plane light source. | 05-07-2015 |
20150124485 | FIELD INSTRUMENT WITH DISPLAY DEVICE - A field instrument ( | 05-07-2015 |
20150131322 | BACKLIGHT FRAME AND BACKLIGHT MODULE - The present disclosure relates to a backlight frame including a frame body, which has a first and a second side wall opposite to each other, and a third and a fourth side wall opposite to each other, wherein at least one first protrusion is arranged in the frame body close to the first side wall, at least one second protrusion is arranged wall in the frame body close to the second side, at least one third protrusion is arranged in the frame body close to the third side wall, and at least one fourth protrusion is arranged in the frame body close to the fourth side wall. The first, second, third and fourth protrusions together define a placement area for disposing a light guide plate. Through a placement area with a regular shape for disposing the light guide plate cut in a regular manner therein, the utilization of raw material for the light guide plate to be cut can be effectively improved, and the production cost of the light guide plate can be finally reduced. In the meantime, the safety of the light guide plate can be increased. The present disclosure further relates to a backlight module, which can effectively reduce the production cost and at the same time increase the safety of the light guide plate. | 05-14-2015 |
20150131323 | ILLUMINATION APPARATUS, METHOD FOR MANUFATURING LIGHT GUIDE PLATE, BACK LIGHT MODULE AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a light guide apparatus includes the following steps. A first mold and a second mold are provided. The first mold and the second mold respectively include a first molding surface and a second molding surface facing each other. A protrusion is disposed at the first or second molding surfaces. Sheet materials are provided. Each sheet material includes an opening corresponding to the protrusion, a first surface and a circuit layer disposed on the first surface. One of the sheet materials is disposed on the first mold with first surface facing the first mold. The first mold and the second mold are closed. An optical plastic material is injected into the space between the first and second molding surfaces to form a light guide plate having a via corresponding to the protrusion for embedding a light source. The sheet material is laminated on the light guide plate. | 05-14-2015 |
20150138836 | ILLUMINATING DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, ELECTRONIC DEVICE, AND MANUFACTURING METHOD OF LIGHT GUIDE PANEL - When first grooves are formed by irradiating a lower surface facing a light outgoing surface of a light guide plate for an illuminating device with laser beams, an outer circumferential region is firstly irradiated with the laser beams to form second grooves. Then, the second grooves are inspected. Next, irradiation conditions of the laser beams are adjusted based on an inspection result of the second grooves, irradiation positions of the laser beams are linearly displaced from formation positions of the second grooves, and formation of the first grooves in the scattering reflection region is then started. | 05-21-2015 |
20150293291 | LIGHT GUIDE PLATE AND ASSEMBLY MODULE USING THE SAME AND BACKLIGHT MODULE - A light guide plate includes a light incident section and a light guiding section. The light incident section includes a light incident surface configured to receive light beams emitted from a light source, a top surface adjacent to the light incident surface, a first bottom surface oppose to the top surface. The light guiding section includes a main light emitting surface, a connecting surface connecting the main light emitting surface with the top surface, a second bottom surface opposite to the main light emitting surface and connecting with the first bottom surface, and a contacting surface connecting with the main light emitting surface and the second bottom surface. A step is formed at a junction of the light incident section and the light guiding section, and the connecting surface and the top surface define an accommodating space. | 10-15-2015 |
20150301263 | PLASTIC FRAME, DISPLAY HAVING THE SAME AND METHOD FOR MANUFACTURING THE PLASTIC FRAME - A plastic frame, a display having the same and a method for manufacturing the plastic frame are disclosed, wherein the display has a display module and a backlight module. The display module connects to the backlight module, and the backlight module has a light guiding plate, illuminating elements, and a plastic frame. The plastic frame has a frame body and a light guiding element. The frame body is made of plastics and the light guiding plate and the illuminating elements are accommodated therein. The light guiding element has a first end and a second end, is made of light optically transmissive material, and is integrally formed. The height of the first end is H | 10-22-2015 |
20150316705 | BACK LIGHT MODULE - A backlight module including a light guide plate, a plurality of point light sources and a frame is provided. The light guide plate includes a body, a positioning structure and a plurality of first micro-structures. The body has at least one light incident surface, an upper surface connected with the light incident surface, and at least one side surface connected with the light incident surface and the upper surface. The positioning structure is located on the side surface, wherein the upper surface has a first eliminating region adjacent to and surrounding the positioning structure. The first micro-structures are arranged on the upper surface except the first eliminating region. The point light sources face the light incident surface. The light guide plate is positioned in the frame by matching the positioning structure with a positioning component of the frame. A display device including the backlight module aforementioned is also provided. | 11-05-2015 |
20150338564 | SURFACE TEXTURE OF LIGHT GUIDE PLATE, USE AND MANUFACTURING METHOD THEREOF - A surface texture of a light guide plate ( | 11-26-2015 |
20150338570 | Light Bar, Backlight and Display Device - The present invention provides a light bar, a backlight and a display device, the light bar comprises light emitters, a substrate and a connector. Both the light emitters and the connector are provided on the substrate, and the connector comprises an input port configured to be connected to a driving circuit and an output port connected to the light emitters, wherein a through hole penetrating through the substrate in a thickness direction of the substrate is provided in the substrate, and the connector is inserted into the through hole, so that a first end of the connector protrudes from a first side of the substrate while a second end thereof protrudes from a second side of the substrate opposite to the first side. The present invention can reduce the occurrence of dark region and improve the display effect of a display device. | 11-26-2015 |
20150346413 | ILLUMINATOR - A light guide plate | 12-03-2015 |
20160004006 | BACKLIGHT SOURCE AND DISPLAY DEVICE - A backlight source comprises a back plate ( | 01-07-2016 |
20160018585 | PRODUCT HAVING A LUMINOUS SURFACE PROVIDED BY A LIGHT GUIDE - Disclosed is a product comprising a luminous surface, the product comprising a light guide ( | 01-21-2016 |
20160018588 | 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. | 01-21-2016 |
20160053955 | FLASHING LIGHTING MODULE - A flashing lighting module includes: a base, a light guide unit, and a control circuit. The light guide unit includes at least two light-transmitting plates, each of which has an end forming a fixing section. The fixing sections are respectively received in corresponding mounting holes formed in the base and each includes a light incident surface at the side thereof opposite to the light-transmitting plate. The control circuit includes two light-emitting elements respectively corresponding to the light-transmitting plates and is connectable to a power supply for driving the two light-emitting elements to get lightening and darkening in sequence. As such, when a power supply is conducted on, each of the light-emitting elements gives off light transmitting to the interiors of the light-transmitting plates to make each of the light-transmitting plates show an effect of flashing in response to the lightening and darkening of the corresponding one of the light-emitting elements. | 02-25-2016 |
20160054512 | COMPOSITE BACK COVER AND BACKLIGHT MODULE WITH ADJUSTABLE CURVATURE - A composite back cover with adjustable curvature used in a liquid crystal display with adjustable curvature is provided. The composite back cover includes a fixing plate; a back cover having a central portion secured to the fixing plate; and at least two extensible control devices disposed between the back cover and the fixing plate and respectively arranged at two sides of the central portion. The extensible control devices are stretched or shortened to adjust a distance between the back cover and the fixing plate so as to adjust curvature of the back cover. A backlight module is also provided. The distance between the back cover and the fixing plate is adjusted by stretching or shortening the extensible control devices so as to adjust the curvature of the liquid crystal display. | 02-25-2016 |
20160062031 | Lighting Device for Vehicles - A lighting device having a first lighting unit comprising a first light source and a first optics element, disposed upstream thereof in the main beam direction, for generating a first lighting function. The lighting device also has a second light source and a second optics element, disposed upstream thereof in the main beam direction, for generating a second lighting function. The first optics element, disposed in front of the first light source in the main beam direction, is designed as a flat waveguide having a narrow-side light intake surface, having a narrow-side light output surface, and having opposing flat sides connecting the light intake surface and the light output surface. The light intake surface of the flat waveguide is disposed at such a spacing to the first light source that a lateral light beam emitted by the first light source strikes the second optics element in order to illuminate said optics element. | 03-03-2016 |
20160085014 | PLANAR LIGHT UNIT - A planar light unit is provided that suppresses appearance of a bright line when viewed from the side of the emission surface of the light guide plate. The planar light unit includes a light source, and a light guide plate including an incident surface for receiving light emitted from the light source, an emission surface from which the light introduced through the incident surface is emitted, an opposing surface disposed so as to oppose the emission surface, and a side surface disposed along an outer periphery of the emission surface and the opposing surface. The emission surface has a non-rectangular outer shape, and at least a part of the side surface is formed as a diffusing surface. | 03-24-2016 |
20160091653 | ILLUMINATOR - An illuminator includes a strip-shaped light guide and a plurality of light sources. The light sources are disposed along one end surface in the width direction of the light guide to allow light to be incident on the one end surface. The light guide guides the light of the light sources from the one end surface to the other end surface in the width direction of the light guide. The one end surface and the other end surface of the light guide are light-diffusing surfaces. The width of the light guide is larger than the thickness of the light guide. | 03-31-2016 |
20160091655 | BACKLIGHT DEVICE - A backlight device includes a light guide plate having an incident surface, a first side surface, and a second side surface. The first side surface extends from a first end of the incident surface and the second side surface extends from a second end of the incident surface. A green illuminant faces the incident surface and emits a green light toward the incident surface. A red illuminant faces the incident surface and emits a red light toward the incident surface. A white illuminant disposed on a side of at least one end of the first and second ends of the incident surface emits a white light toward the light guide plate. At least one of the emitted green light and the emitted red light includes a blue component having an emission peak wavelength in a range of 420 to 500 nm. | 03-31-2016 |
20160109756 | DISPLAY DEVICE - A display device is provided, including a panel, a plurality of first light sources, and a plurality of second light sources. The panel includes a first display area and a second display area. The first light sources correspond to the first display area. The second light sources correspond to the second display area. The color of the second light sources is different from the color of the first light sources. When the brightness of the second light sources is increased, the brightness of the first light sources decreases, and when the brightness of the first light sources is increased, the brightness of the second light sources decreases. | 04-21-2016 |
20160116117 | LIGHTING DEVICE - There is provided a lighting device ( | 04-28-2016 |
20160124141 | CIRCUIT BOARD AND LIGHTING DEVICE AND BOARD HOUSING MODULE HAVING THE CIRCIUT BOARD - Provided are a circuit board, and a lighting device and board housing module having the circuit board, the circuit board, including a support substrate having a first region and a second region bent from the first region, light emitting devices on the first region, and a protective support portion protruding more than the light emitting devices from the support substrate of the first region. | 05-05-2016 |
20160131818 | LIGHTING DEVICE FOR VACUUM CLEANER - A light guide plate which guides light from light sources at both ends and reflection surface grooves having plural types of reflection surfaces formed on a reverse side of the light guide plate are provided in a direction perpendicular to a front direction of a suction tool, thereby forming light rays radiating to a floor surface from three directions and lighting the floor surface as the surface to be cleaned in front of the suction tool over a wide range. | 05-12-2016 |
20160131825 | Directional backlight - An electrical connection assembly for a directional display comprising a directional backlight may include stack of flat connectors and a strip comprising an end portion with an array of light sources and a base portion with an array of connectors. The end portion and base portion may be shaped so that the base portion extends outwardly from the end portion. Light sources of the directional display may be individually addressable by means of a highly compact arrangement of connections, achieving low thickness and small bezel width. | 05-12-2016 |
20160139317 | Light Emission Module and Light Guide Plate and Manufacturing Method Thereof - A light emission module and a light guide plate and a manufacturing method thereof are provided. The light guide plate is configured to guide the light received and has a first lateral surface and a tongue extending from the first lateral surface toward a light source. The tongue has a flat end surface that faces or engages with the light source. The light guide plate receives the light emitted from the light source by the flat end surface, so as to reduce or eliminate the gap between the light source and the light guide plate. Therefore, the loss of light energy during the light traveling in air is effectively reduced, and the intensity of light received by the light guide plate from the light source meets expectation, improving the lighting effect of the light emission module. | 05-19-2016 |
20160139325 | DISPLAY DEVICE, ELECTRONIC APPARATUS AND LIGHTING DEVICE - In a lighting device of a display device, a plurality of light emitting elements are mounted on a surface of a light source substrate, and the light source substrate is supported by a light source support member by means of a positioning (fixing) structure such as a metal screw. The plurality of light emitting elements are divided into a plurality of blocks, and the emission light amount can be controlled with respect to each of the blocks. Although the head of the screw is exposed on the surface of the light source substrate, the screw is located between adjacent ones of the blocks. Therefore, even though the illuminating light intensity becomes partially discontinuous owing to the presence of the screw, degradation of display quality originating from such discontinuity can be suppressed. | 05-19-2016 |
20160139327 | BACKLIGHT UNIT, DISPLAY DEVICE COMPRISING THE SAME AND METHOD FOR MANUFACTURING THE SAME - A backlight unit includes first light guide plates (LGPs) provided in a line shape, and second LGPs provided in a line shape and disposed between the first LGPs. The backlight unit may include a controller configured to control a plurality of light sources to provide a light to the first LGPs when a three-dimensional (3D) image is displayed on a display panel that receives the light from at least one of the first LGPs and the second LGPs, and to provide the light to the first LGPs and the second LGPs when a two-dimensional (2D) image is displayed on the display panel. | 05-19-2016 |
20160139329 | Light Source Device and Display Apparatus - Light sources are disposed to face two opposite end surfaces of light guide plate. Cutout parts are provided at respective centers of other two opposite end surfaces of the light guide plate. Pinching members which pinch the light guide plate are attached to rear cover which covers one surface of the light guide plate, the pinching members being at positions corresponding to the respective cutout parts of the light guide plate. The rear cover pinches the other two opposite end surfaces of the light guide plate by two pinching members, while supporting the one surface of the light guide plate. | 05-19-2016 |
20160147009 | LAMP DEVICE - A lamp device includes a heat dissipating seat, a light emitting unit, a mounting seat and a light guide plate. The heat dissipating seat defines an accommodation space with an opening. The light emitting unit is fixed to the heat dissipating seat within the accommodation space. The mounting seat is disposed in the accommodation space through the opening, and covers the light emitting unit. A receiving space is defined by at least a portion of the mounting seat and extends in a direction away from the light emitting unit. The light guide plate has at least a portion inserted into and fixed within the receiving space. | 05-26-2016 |
20160195671 | PLANAR LIGHTING DEVICE | 07-07-2016 |
20180024290 | LIGHTING DEVICE AND DISPLAY DEVICE | 01-25-2018 |
20190146137 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS | 05-16-2019 |
20190146139 | MICROSTRUCTURED AND PATTERNED LIGHT GUIDE PLATES AND DEVICES COMPRISING THE SAME | 05-16-2019 |