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Plural

Subclass of:

362 - Illumination

362600000 - EDGE LIGHTED PANEL

362611000 - Light source

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DocumentTitleDate
20090196070LIGHT 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
20090196069PLANAR 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
20100157625METHOD 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
20130077347DISPLAY 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
20130077348LIGHT 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
20130077346INPUT 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
20130039093BACKLIGHT 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
20130033901BACKLIGHT 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
20090135625DISPLAY 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
20130027977ILLUMINATION 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
20120182765DISPLAY 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
20120182764INDOOR 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
20130070481LINEAR 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
20130051076PLANAR 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
20130051077BACKLIGHT 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
20130051075LIGHT 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
20130088892SURFACE LIGHT-EMITTING DEVICE AND DISPLAY DEVICE - A surface light-emitting device (04-11-2013
20120218779LIGHTING STRUCTURE OF CHARGING CONNECTOR - A lighting unit 08-30-2012
20120218778DISPLAY 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
20090091948LIGHT 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
20130058130LIGHT 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
20130058131DISPLAY 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
20090268485BACKLIGHT 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
20090129117Backlight 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
20120113682SURFACE 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
20130163286BACKLIGHT 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
20110280046LIGHT 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
20110273908DISPLAY 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
20120099343LIGHTGUIDE AND LIGHT SOURCE INCORPORATING SAME - A lightguide (04-26-2012
20120099342Complex 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
20110188266SEMICONDUCTOR 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
20110267841DISPLAY 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
20090284984LIGHT-EMITTING DEVICE - A light-emitting device (11-19-2009
20090154196FLEXIBLE 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
20090135624SIDE-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
20110261587BACKLIGHT 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
20090207629PLANAR 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
20090273949Light 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
20100110727Planar 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
20110007522PLANAR 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
20090086507PLANAR 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
20090168456LIGHT 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
20090168455BACKLIGHT 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
20120069599TRANSPARENT 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
20090185394LIGHT 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
20110222312LIGHT 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
20110141767UNIT FOR ILLUMINATING A LIGHT GUIDE PLATE FOR BACKLIGHTING A DIGITAL SCREEN PANEL - The invention relates to a lighting unit (06-16-2011
20090086506LIGHT 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
20090219733ELECTRONIC 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
20090251922BACKLIGHT 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
20120195071LIGHT SOURCE MODULE AND ELECTRONIC DEVICE INCLUDING THE SAME - A light source module (08-02-2012
20090316433LIGHT 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
20120195072LIGHT 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
20100195351DISPLAY - 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
20110128757Backlight 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
20100302806Planar 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
20110013423LIGHT 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
20090067193Back 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
20110242846LIGHT 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
20100039832Changing 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
20090034291BACKLIGHT 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
20120243260ILLUMINATOR 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
20100053994OPTICAL 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
20100053995BACKLIGHT 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
20100061117Backlight 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
20110069512INTEGRALLY 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
20110026274Backlight 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
20090021961Light 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
20110176332BACKLIGHT 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
20110157918BACK 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
20100309686LIGHT 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
20080205080TILED 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
20110164436BACKLIGHT 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
20110026273Optical 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
20110080754Foldable 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
20110096569BACKLIGHT DEVICE AND FLAT DISPLAY DEVICE USING SAME - A backlight device (04-28-2011
20120206941Side 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
20100027291BACKLIGHT DEVICE AND PLANAR DISPLAY DEVICE USING THE SAME - Electrode terminals (02-04-2010
20110305040ILLUMINATION 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
20120039090SURFACE 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
20110157916LIGHT 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
20120002444BACKLIGHT 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
20110096568Modular 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
20120106199EDGE 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
20100172154ILLUMINANT 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
20110103094LIGHT 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
20120250354Illuminator 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 Z10-04-2012
20100246213LIGHT EMITTING DEVICE, DISPLAY DEVICE AND MANUFACTURING METHOD OF THE LIGHT EMITTING DEVICE - A light emitting module (09-30-2010
20120163031VEHICLE 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
20120163029LIGHT 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
20120163030VIDEO 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
20120163028MULTI-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
20100208496Backlight 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
20090059620BACK 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
20120250355DISPLAY 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
20120170315Three-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
20120170314Backlight 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
20120212977APPARATUS 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
20120314451LIGHTING 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
20120257416DISPLAY 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
20120176814Display 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
20120188793BACKLIGHT 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
20120188792LIGHT 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
20120081925BACKLIGHT 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
20110122652DISPLAY 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
20110235365LIGHT 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
20100232179PRINTED 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
20130016529SURFACE 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
20110157917Backlight 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
20130021823LIGHTING 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
20120243261LIGHT-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
20120243259INTERLEAVED 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
20130094246BACKLIGHT 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
20130128619Backlight 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
20130148379Backplate 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
20130148380ILLUMINATION 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
20120275193SPREAD 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
20120275192LIGHT SOURCE MODULE AND ELECTRONIC APPARATUS INCLUDING THE SAME - Each light guide (11-01-2012
20130201723LIGHT 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
20130182458LIGHT-EMITTING DEVICE FOR EMITTING DIFFUSE LIGHT - A light-emitting device which has a plate-shaped light guide (07-18-2013
20130121027LIGHT 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
20130188393BACKLIGHT 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
20130188394PLANAR 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
20130194825BACKLIGHT 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
20130208509Backlight 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

Patent applications in class Plural