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Light Guide Plate patents



      
           
This page is updated frequently with new Light Guide Plate-related patent applications. Subscribe to the Light Guide Plate RSS feed to automatically get the update: related Light RSS feeds. RSS updates for this page: Light Guide Plate RSS RSS


Liquid crystal display device

Light emitting device

Display apparatus

Date/App# patent app List of recent Light Guide Plate-related patents
09/11/14
20140254197
 Warning device patent thumbnailWarning device
The present invention provides a warning device, which includes a housing; a bottom cover, an accommodation space is formed through the bottom cover being engaged with the housing; a first light guide plate formed with a plurality of first light guide strips; a second light guide plate formed with a plurality of second light guide strips, and the arranged direction of the plural second light guide strips is perpendicular to the arranged direction of the plural first light guide strips; a light source module installed with at least a led; and a switch module installed with a printed circuit board, the printed circuit board is provided with a switch and a microcontroller, when the switch is pressed, the microcontroller drives the led for enabling a plurality of pointy light sources to be formed and emitted through the first light guide plate.. .
09/11/14
20140253845
 Liquid crystal display device patent thumbnailLiquid crystal display device
A liquid crystal display device includes: a light guide plate that includes upper, lower and side surfaces; a light emitting element disposed to face an edge surface that is a part of the side surfaces; a reflection sheet that is bent to face the lower surface of the light guide plate and parts of the side surfaces thereof except for the edge surface; and an adhesive material disposed on the reflection sheet in a planar shape of dots or stripes and attaches the reflection sheet to the light guide plate. The lower surface of the light guide plate includes concaves and convexes formed to cause light that advances in the light guide plate to be reflected inside and to advance toward the upper surface.
09/04/14
20140247621
 Light emitting device patent thumbnailLight emitting device
The light emitting device 10 of the present invention comprises a light emitting element 30, connecting terminals 21a, 21b connected with the light emitting element 30, a package 12 which has a recess 40 wherein the light emitting element 30 is mounted and from which a part of each connecting terminal 21a, 21b is projected outward, an opening 41 of the recess 40 being elongated in one direction, wherein both side walls of the recess 40 positioned in the longitudinal direction of the recess 40 are inclined surface 43, an angle θ between both the inclined surfaces 43 being 90 degrees or more. In the light emitting device 10 of the present invention, light emitted by the light emitting element 30 is spread sufficiently in the longitudinal direction of the opening 41 so as to produce a band-shaped beam.
09/04/14
20140247620
 Display apparatus patent thumbnailDisplay apparatus
A display apparatus includes an lcd panel, a resin rear cabinet facing a back of the lcd panel, and a backlight unit that is supported by the rear cabinet. The backlight unit includes a light source, a light guide plate into which light from the light source enters through a side surface and exits through a main surface toward the back of the lcd panel, and a heat sink supported by the rear cabinet and attached to the light source.
09/04/14
20140247616
 Automotive rear light patent thumbnailAutomotive rear light
An automotive light is provided having a substantially tub-shaped rear casing designed to fit to the vehicle body and a front lenticular half-shell which closes the opening of the rear casing and has at least one portion of transparent or semi-transparent material. The front lenticular half-shell includes a rear portion substantially aligned with the rear of the vehicle body, and a lateral portion substantially aligned with the side of the vehicle body.
09/04/14
20140247397
 Display device and television receiver device patent thumbnailDisplay device and television receiver device
A liquid crystal display device 10 of the present invention includes: leds 22; led substrates 24 to which the leds 22 are attached; a liquid crystal panel 11 where display is performed using light from the leds 22; a light guide plate 16 that is arranged so as to overlap the side of the liquid crystal panel 11 opposite to the display surface, the edge faces of the light guide plate facing the leds 22; a chassis 14 arranged on the side of the light guide plate 16 opposite to the liquid crystal panel 11; a frame 13 arranged on the display surface side of the liquid crystal panel 11 and housing the leds 22, led substrates 24, liquid crystal panel 11, and light guide plate 16 between the chassis 14 and the frame itself; and heat dissipating members 18 with heat dissipating characteristics that are respectively arranged abutting the led substrates 24 and that are held between the frame 13 and the chassis 14.. .
08/28/14
20140241010
 Display device patent thumbnailDisplay device
A display device includes: a first chassis including a bottom surface, and a side wall which extends from an edge of the bottom surface; a light guide plate in the first chassis; a first fixing member which overlaps the side wall of the first chassis and contacts an upper surface of the light guide plate; and a first fastening member which fastens the first fixing member to the side wall of the first chassis. The first chassis includes a groove which extends through the side wall of the first chassis, the light guide plate includes a first protrusion which protrudes from an edge of the light guide plate and extends into the groove, and the first fixing member contacts an upper surface of the first protrusion of the light guide plate..
08/28/14
20140241009
 Spread illumination apparatus patent thumbnailSpread illumination apparatus
A spread illumination apparatus includes: a light source; and a light guide plate having a light entrance surface on which the light source is disposed, and a light exit surface through which light introduced from the light entrance surface is emitted, wherein the light guide plate includes a light entrance wedge portion which has an inclined surface and of which thickness is thinner from the light entrance surface side toward the light exit surface side, the inclined surface includes a first, a second, and a third inclined surface portions, and an average inclination angle of the second inclined surface portion at an arbitrary cross section perpendicular to the light entrance surface and the light exit surface along the light entrance surface in a longitudinal direction is configured to be larger than average inclination angles of the first inclined surface portion and the third inclined surface portion.. .
08/28/14
20140241007
 Reflector, light source module, and display device patent thumbnailReflector, 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.
08/28/14
20140240639
 Liquid crystal display device and method of fabricating the same patent thumbnailLiquid crystal display device and method of fabricating the same
A liquid crystal display device includes: a liquid crystal panel; a backlight unit under the liquid crystal panel, the backlight unit including a light emitting diode (led) assembly supplying a light and a light guide plate transmitting the light from the led assembly to the liquid crystal panel; a main frame surrounding the backlight unit, the main frame including a flat portion for supporting the led assembly and a guide wall for guiding the led assembly, the guide wall including at least one concave portion; and a light shielding tape on the guide wall and the led assembly, the light shielding tape including at least one open portion corresponding to the at least one concave portion.. .
08/28/14
20140240606
Display device and television receiver device
A liquid crystal display device (10) includes: leds (17); a liquid crystal panel (11); a light guide plate (16); an exterior member that constitutes the exterior of the liquid crystal display device (10), the exterior member including a frame (13) and a chassis (14) that hold the liquid crystal panel (11) and the light guide plate (16) by sandwiching these from the display surface (11c) side and the opposite side thereto, while housing the leds (17) between the frame (13) and the chassis (14); a screw member (sm) that affixes the frame (13) and the chassis (14) to each other by being disposed in an outer edge portion that surrounds the liquid crystal panel (11); wiring members (28) that are connected to the leds (17); and wiring passages (30) through which the wiring members (28) pass, the wiring passages being formed in the inner surfaces of the side walls (13b), which is the outer edge portions of the frame (13), the wiring passages being positioned adjacent to the screw member (sm) in the direction in which the light guide plate (16) and the liquid crystal panel (11) are stacked.. .
08/21/14
20140232945
Display device and television device
A liquid crystal display device 10 according to the present invention includes leds 17, a liquid crystal panel 11, a light guide plate 16, a holding member hm, a screw member sm, and a screw attachment portion 21. The light guide plate 16 is arranged on a side opposite to a display surface 11c side of the liquid crystal panel 11 with an end surface thereof being opposite the leds 17.
08/21/14
20140232027
Continuous method for the production of light guide plates
The present invention relates to a method for continuously producing light guide plates, e.g. For use as backlighting in lc displays, and to an apparatus for carrying out said method..
08/14/14
20140226364
Backlight device and display device including the same
A backlight device includes: a light guide plate; a pair of light sources which is provided along left and right sides of the light guide plate respectively; and a frame which defines positions of the light guide plate and the light sources, wherein the position of the light guide plate with respect to the light sources is defined by a fixing member provided to the frame on upper and lower sides of the light guide plate, and the fixing member biases the light guide plate toward left and right sides of the light guide plate on the upper and lower sides of the light guide plate.. .
08/14/14
20140226108
Liquid crystal display device
A liquid crystal display device includes a liquid crystal display panel formed by a pair of transparent substrates facing each other with a liquid crystal layer therebetween, and a backlight device mounted on a back surface of the liquid crystal display panel. The backlight device includes a light source in which multiple light emitting elements are arranged in parallel on a surface of a substrate, and a light guide plate for converting light from the light source that is provided in the periphery of the light guide plate, into planar light (backlight beam) and emitting the planar light.
08/14/14
20140226106
Liquid crystal display device having improved cooling efficiency
A liquid crystal display device includes a liquid crystal display panel, a light guide plate disposed on a lower part of the liquid crystal display panel, an led circuit substrate disposed along at least one side of the light guide plate to accommodate an led on a front surface thereof, and a heat transmission member having a first part that faces a lower surface of the light guide plate and a second part that is extendedly bent from the first part and faces the led circuit substrate.. .
08/14/14
20140226081
Display unit and television receiving apparatus
A liquid crystal display device 10 according to the present invention includes: leds 17; a liquid crystal panel 11 capable of displaying images through light from the leds 17; a light guide plate 16 that is disposed so as to overlap the side opposite to a display surface 11c of the liquid crystal panel 11 and that has end faces facing the leds 17; a chassis 14 disposed on the side of the light guide plate 16 opposite to the liquid crystal panel 11; a light transmissive panel 13 that is arranged so as to overlap the display surface 11c of the liquid crystal panel 11, that houses the leds 17 between the light transmissive panel 13 and the chassis 14, and that sandwiches the liquid crystal panel 11 and the light guide plate 16 while allowing light to pass through; and a light-shielding member 25 that is disposed on the light transmissive panel 13 surrounding a display area aa of the liquid crystal panel 11 and that blocks light around the display area aa, a part of the light-shielding member being made of a transparent part 26 that allows light to pass through.. .
08/14/14
20140226080
Display unit and television receiving apparatus
A liquid crystal display unit (10) includes: an led (17); a heat dissipating member (19) to which the led (17) is attached; a liquid crystal panel (11) that performs display using light of the led (17); a flexible substrate (22) connected to an edge of the liquid crystal panel (11); a light guide plate (16) disposed on a side of the liquid crystal panel (11) opposite to a display surface (11c) of the liquid crystal panel (11), the light guide plate being disposed such that an end face of the light guide plate faces the led (17); holding members (hm) that hold and sandwich the liquid crystal panel (11) and the light guide plate (16) from the side of the display surface (11c) and from the side opposite thereto; and a light-shielding member (26) disposed on the heat dissipating member (19), the light-shielding member being interposed between the liquid crystal panel (11) and the led (17) for preventing light from the led (17) from directly entering the liquid crystal panel (11), the light shielding part (26) being configured such that a flexible substrate passage (fs) through which the flexible substrate (22) passes is formed between the light-shielding member (26) and a frame (13), of the holding members (hm), that is disposed on the side of the display surface (11c).. .
08/14/14
20140226073
Illumination device, display device, and television receiving device
The backlight device (24) of the present invention is provided with: a heat-dissipating member (36) having a bottom surface part (36a); a light guide plate (20) that has a light-receiving face (20a) on the side face thereof and that is arranged such that the back surface of the plate faces the front of the bottom surface part (36a); and led light-source (28) that is arranged opposite to the light-receiving face (20a) above the front surface of the bottom surface part (36a); a reflective sheet (26) that is arranged to be in contact with the back surface of the light-guide plate (20); and a protruding part (38) that is formed so as to protrude from the front surface of the bottom surface part (36a) between the led light source (28) and the light-receiving face (20a), the protruding part (38) being higher than the back surface of the light guide plate (20).. .
08/14/14
20140226072
Display device and television receiver
A liquid crystal display device (10) related to the present invention is provided with an led (17); a heat-dissipating member (19) mounted with the led (17); a liquid crystal panel (11) that uses light from the led (17) to display; a light guide plate (16) that is disposed on a side of the liquid crystal panel (11) opposite to the display surface (11a), the light guide plate being disposed such that an end surface thereof faces the led (17); a chassis (14) arranged on a side of the light guide plate (16) opposite to the liquid crystal panel (11); a frame (13) that is arranged on the display surface (11a) of the liquid crystal panel (11), the frame holding the liquid crystal panel (11) and the light guide plate (16) by sandwiching the liquid crystal panel (11) and the light guide plate (16) with the chassis (14) while housing the led (17) and the heat-dissipating member (19) therein, the frame constituting the exterior of the liquid crystal display device (10); and a protruding member (21) that protrudes from the frame (13) to the heat dissipating member (19), the protruding member being provided to attach the heat dissipating member (19) to the frame (13), the protruding member having a heat insulating layer (hir) interposed between the protruding member and the heat dissipating member (19).. .
08/07/14
20140218970
Light guide plate, backlight source and liquid crystal display device
A light guide plate used for an led backlight source. The led backlight source comprises a plurality of led lamps.
08/07/14
20140218968
Planar lighting device
A planar lighting device includes a light guide plate and a side-emitting lighting module. The light guide plate includes a light emission surface, a back light surface, and at least one side surface.
08/07/14
20140218966
Lighting device and cove lighting module using the same
A lighting device and a cove lighting module are provided. The lighting device includes a shell body, at least one light emitting diode element, and at least one light guide plate.
08/07/14
20140218965
Lighting module
A lighting module may be provided that includes: a first light guide plate which includes a top surface and a bottom surface, each of which emits light, and a light incident side; a second light guide plate which is disposed below the first light guide plate and includes a top surface and a bottom surface, each of which emits light, and a light incident side; a reflector which is disposed between the first light guide plate and the second light guide plate; and a light source which includes first light emitting devices disposed on a side of the first light guide plate, and second light emitting devices disposed on a side of the second light guide plate.. .
08/07/14
20140218963
Backlight module
The present invention provides a backlight module, which includes: a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane to correspond to the backlight source, a reflector plate disposed on a bottom of the light guide plate, an optic film disposed on a top of the light guide plate, and elastic members mounted to the backplane. The optic film has a top edge forming suspension sections and two first sidewalls respectively at left and right sides and each forming lugs.
08/07/14
20140218890
Backlight keyboard and structure thereof
A backlight keyboard structure includes a light guide plate, a base plate and a keyboard frame. The keyboard frame comprising a fixing portion.
08/07/14
20140218779
Image display device
An image display device includes an image forming device, collimating optical system, and optical device, with the optical device including a light guide plate, first diffraction grating member and second diffraction grating member which are made up of a volume hologram diffraction grating, and with central light emitted from the pixel of the center of the image forming device and passed through the center of the collimating optical system being input to the light guide plate from the near side of the second diffraction grating member with a certain angle. Thus, the image display device capable of preventing occurrence of color irregularities, despite the simple configuration, can be provided..
08/07/14
20140218618
Display device
A display device includes a display device body, a display portion arranged on the front side, a light source, a light source substrate, a light guide plate having a light incident surface, and a heat sink arranged to be opposed to the light incident surface of the light guide plate between the light guide plate and the light source substrate, including a light source arrangement hole configured to arrange the light source and a spacer portion arranged to be opposed to the light incident surface of the light guide plate between the light guide plate and the light source substrate and keeping an interval between the light incident surface of the light guide plate and the light source at a prescribed interval.. .
08/07/14
20140218617
Display device
A display device includes a display portion displaying an image on the front side, a light guide plate arranged on the rear side of the display portion, a heat radiation member arranged on the rear side of the light guide plate, radiating the heat of the light source, and a reflective sheet arranged between the light guide plate and the heat radiation member, including a heat reflecting portion capable of reflecting the heat radiated from the heat radiation member to the heat radiation member on the rear side, while the heat radiation member includes a heat releasing portion configured to release the heat reflected by the heat reflecting portion to the rear side of the heat radiation member.. .
07/31/14
20140211509
Warping buffering structure for light guide plate and backlight module
The present disclosure provides a warping buffering structure for a light guide plate and a backlight module. The warping buffering structure includes: a first member with one side thereof contacting one end of the light guide plate of a backlight module; a second member with one side thereof flexibly connected to a side wall of a back cover of the backlight module, and the second member capable of sliding along an extending direction of the side wall; a first inclined surface formed on an end of one side of the first member which is away from the light guide plate; and a second inclined surface formed on an end of one side of the second member which is away from the side wall, and the second inclined surface contacting the first inclined surface and being slidably engaged with the second inclined surface..
07/31/14
20140211505
Backlight structures and backlight assemblies for electronic device displays
An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the display layers in the display.
07/31/14
20140211501
Light guide plate and backlight module including same
A backlight module includes a light guide plate and a number of light sources. The light guide plate includes a frosted light incident surface, diffusion structures positioned on the frosted light incident surface, and dot-shaped micro-recesses positioned on the diffusion structures.
07/31/14
20140211127
Light guide plate, surface light source device, and display device
A light guide plate includes a body portion, and a plurality of unit shaped elements defining a light exit surface and arranged on one-side surface of the body portion side by side in an arrangement direction intersecting a light guide direction. Each unit shaped element extends in a direction intersecting the arrangement direction.
07/31/14
20140211125
Light guide plate and surface illumination device
A light guide plate includes a light introduction unit that confines light incident from a point light source through the light incident surface and a light guide plate body. The light introduction unit includes an inclined surface inclined toward an end of a surface of the light guide plate body from a surface in a portion having the thickness greater than that of the light guide plate body.
07/24/14
20140205160
Image sensing apparatus for fingerprint identification and related decoder circuit
An image sensing apparatus includes a substrate, a light guide plate, a plurality of photosensors and a light source. The substrate has a first side.
07/24/14
20140204612
Light guide plate for backlight and manufacturing method therefor
A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface and a lower surface; and a light emission pattern configured to diffuse a portion of the light directed toward an image display panel, and a first straight pattern configured to channel the light along a direction substantially parallel to a direction of propagation of the light generated by the light source unit, both the light emission pattern and the first straight pattern being disposed on one of the upper surface and the lower surface of the light guide plate, in which the first straight pattern has peaks and valleys formed in alternating and repeating manner in a direction substantially perpendicular to a direction of propagation of the light generated by the light source unit..
07/24/14
20140204611
Display apparatus and light emitting module thereof
A display apparatus comprising a display panel and a light emitting module disposed oppositely is provided. The light emitting module comprises a light guide plate, a plurality of light guide grooves and at least a light unit.
07/24/14
20140204609
Display device including backlight assembly
A display device includes: a backlight assembly which generates and outputs light; and a display panel which displays an image with the light from the backlight assembly. The backlight assembly includes: a light emitting unit which generates the light; a light guide plate which guides the light provided from the light emitting unit toward the display panel and includes a protruding part which protrudes laterally from the light guide plate from the light guide plate at a first corner thereof; and a reflective member which is on a surface of the protruding part and reflects the light provided from the light emitting unit toward the protruding part and toward a second corner of the light guide plate and the periphery of the second corner..
07/24/14
20140204314
Liquid crystal display device with brightness adjustment
An lcd device includes a backlight module, a liquid crystal layer, a brightness detecting module and a control unit. The backlight module includes a light guide plate and light sources.
07/24/14
20140204311
Liquid crystal display device
The present invention provides a liquid crystal display device, comprising: a light source, a light guide plate having a light-exiting surface, a substrate having a first surface and a second surface opposite to the first surface, a display area of the second surface comprising a pixel area and at least one non-pixel area, and a gap provided between the light-exiting surface of the light guide plate and the first surface of the substrate, wherein, at least one slot is provided on the light-exiting surface of the light guide plate; a part of the light generated by the light source and entering the light-exiting surface of the light guide plate, after being refracted by the slot and the gap sequentially, is refracted by the first surface of the substrate into the substrate, and then enters the pixel area. According to the present invention, it is able to change the light transmission path, thereby to effectively reduce the light entering a non-pixel area..
07/24/14
20140204310
Liquid crystal display device
Disclosed is an lcd device with reduced thickness and bezel width. The lcd device includes a liquid crystal display panel configured to include an upper substrate and a lower substrate that are facing-coupled to each other, a backlight unit configured to include a light guide plate which irradiates light incident from a light source module on the liquid crystal display panel and an optical sheet disposed on the light guide plate, and a coupling member configured to couple the liquid crystal display panel to the light guide plate with the optical sheet therebetween such that a sealed space is provided between the liquid crystal display panel and the light guide plate..
07/24/14
20140204289
Electronic device
An electronic device includes a housing, a metallic support plate, a mounting frame, and a backlight module. The housing includes a side frame, and a mounting frame mounted on the side frame.
07/24/14
20140204275
Illumination device, display device, and television reception device
A backlight device (24) of the present invention includes: a chassis (22) having at least a bottom plate (22a) that is rectangular in a plan view; a light guide plate (20) that has light-receiving faces (20a), which are side faces, and a rear surface that faces the surface side of the bottom plate (22a); led light sources (28) that are arranged on the surface side of the bottom plate (22a) and that face the respective light-receiving faces (20a); protruding parts that have a protruding shape and spacer parts positioned on the surface side of the bottom plate (22a), facing the light guide plate (20) side; and a reflective sheet (26) that is arranged between the light guide plate (20) and bottom plate (22a). A portion of the end edge of the reflective sheet (26) is a free section (26b) that allows movement in the plate surface direction of the light guide plate (20), and the other end edges are restricted sections (26a) that restrict movement in the plate surface direction of the light guide plate (20) by being held between the respective spacer members and the light guide plate (20)..
07/17/14
20140198531
Light guide plate
The light guide plate includes two layers having different particle concentrations, in which the thicknesses of the two layers are varied to change the combined particle concentration of the light guide plate, and conditional expressions of 0.3 mm≦tlg≦4 mm and 0.3≦tcen/tlg≦1 are satisfied when the thickness in the direction perpendicular to the light exit surface is defined as tlg and the thickness at the center of the second layer is defined as tcen. The light guide plate of the present invention can have a large and thin shape, can emit light having high light use efficiency and small luminance unevenness, can obtain a middle-high or bell-shaped brightness distribution and can be easily manufactured..
07/17/14
20140198530
Circuit board and flat panel display including the same
Provided are a circuit board for irradiating light to a light guide plate and a flat panel display having a structure for efficiently fixing the circuit board and the light guide plate, the circuit board, including: a support substrate comprising a first area and a second area, the second area being bent from the first area; a plurality of light emitting device mounting parts disposed in the first area; and a protective member connecting part of an outer side of the plurality of light emitting device mounting parts.. .
07/17/14
20140198526
Light guide plate and lighting lamp
A light guide plate (lgp) and a lighting lamp including the lgp. The lgp has no frame and is easy to be spliced together.
07/17/14
20140198524
Light guide plate with v-shaped micro-structures on light output surface
A light guide plate includes a bottom surface and a light output surface opposite to the bottom surface. A number of scattering domes are positioned on the bottom surface.
07/17/14
20140198522
Side-edge backlight module
The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane and the backlight source receive an aluminum-extruded heat sink arranged therebetween.
07/17/14
20140198279
Display apparatus having haze element
A display apparatus comprising a display panel, a light module and a haze element is provided. The light module comprises a light guide plate, a plurality of light guide elements and a first light emitting unit.
07/10/14
20140192554
Illumination device and display device provided therewith
Provided is an illumination device that can suppress uneven brightness in a member to be illuminated caused by the positioning structure of the light guide plate. An illumination device (10) includes light sources (11), a light guide plate (13) that guides light from the light sources, and positioning members (14) that position the light guide plate.
07/10/14
20140192553
Backlight module with light-varying structures formed in a light guide plate
A backlight module is disclosed. A light guide plate includes a main body and a plurality of light-varying structures.
07/10/14
20140192293
Liquid crystal display device
A liquid crystal display device includes: a light guide plate including a front surface, a back surface and an edge surface, the light guide plate being arranged such that the edge surface faces a light source, the light guide plate internally reflecting light incident from the edge surface and causing surface emission from the front surface; a liquid crystal display panel; and a reflective sheet arranged so as to face the back surface of the light guide plate. The back surface includes a first portion and a second portion.
07/03/14
20140185321
Light guide plate and backlight module
A light guide plate includes a plate body and a light incident portion, wherein the plate body has a top plate surface. The light incident portion is formed on a side of the plate body and has a thickness increasing as the light incident portion extends away from a center of the plate body.
07/03/14
20140185320
Optical coupling device and backlight module
An optical coupling device is used for optically coupling light sources with a light guide plate. The optical coupling device includes transparent light guide portions.
07/03/14
20140185319
Backlight module and display apparatus
The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel.
07/03/14
20140185317
Back light unit and image display device using the same
According to one embodiment, an edge light-type back light unit includes, a light source, a light guide plate and a light quantity controller. The light source configured to exit light.
07/03/14
20140185315
Backlight module
The present invention provides a backlight module, which includes a backplane, a backlight source arranged inside the backplane, a reflector plate arranged inside the backplane, a light guide plate arranged on the reflector plate, and a mold frame mounted to the backplane. The mold frame forms a projection.
07/03/14
20140184929
Display device and television receiver
Provided are: a thin display device that has reduced dimensions between a light guide plate and a display panel; and a television receiver provided with the display device. By threading screws, the edge of an opening and a bottom part press, with an elastic member interposed therebetween, the display panel and the light guide plate together.
06/26/14
20140177277
Light guiding plate
A light guide plate includes a light incident surface, a light output surface, a bottom surface opposite to the light output surface, and a plurality of dots formed on the bottom surface. Each dot includes a first curved surface, a second curved surface and two flat surfaces separately interconnecting the first curved surface and the second curved surface.
06/26/14
20140177276
Light guide plate having uniform light emission and backlight module
A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a light incident surface, and a side surface opposite to the light incident surface. The bottom surface is imaginarily divided into a plurality of rectangular portions along a direction from the light incident surface to the side surface.
06/26/14
20140177273
Backlight module using laser emitters as light source
A backlight module includes a laser light source and a light guide plate. The light source locates beside a side surface of the light guide plate.
06/26/14
20140177269
Light guide plate having uniform light emission and manufacturing method thereof
A light guide plate includes a main body and a number of micro protrusions. The main body includes a light emitting surface, a bottom surface, and a light incident surface.
06/26/14
20140177198
Light source module and keyboard having the same
A light source module includes a light guide plate, a reflective plate, and at least one light emitting component. The reflective plate is provided at one side of the light guide plate, and the light emitting component is adjacent to the light guide plate.
06/26/14
20140176877
Backlight assembly and liquid crystal display device including the same
Provided is a backlight assembly and a liquid crystal display including: a light source; a light guide plate; and a bottom chassis comprising an accommodating portion, a light source cover configured to accommodate the light source, a first sidewall, and a second sidewall, the accommodating portion comprising a first accommodating portion and a second accommodating portion detachably coupled with each other, wherein the light source cover is formed on a first edge of the first accommodating portion, the first sidewall is formed on a second edge of the first accommodating portion, and the second sidewall is formed on an edge of the second accommodating portion.. .
06/26/14
20140176876
Surface light source device and its light guide plate
A light guide plate has a light introduction part having an end face configured to have light incident thereon, and a light guide plate body disposed continuously to the light introduction part and comprising a thickness smaller than a maximum thickness of the light introduction part. The light guide plate body has a light emitting surface that emits the light incident from the end face.
06/26/14
20140176875
Light guide plate and surface light source device
A light guide plate has a light introducing portion configured to confine light that is incident from an end surface, and a light guide-plate main body configured to emit incident light to an outside from a light emitting surface and provided continuously with the light introducing portion in a thickness smaller than a maximum thickness of the light introducing portion. The light introducing portion has an inclined surface inclined toward the light guide-plate main body from a surface having a larger thickness than a thickness of the light guide-plate main body, on at least one of a surface at a light emission side and a surface opposite to the surface at the light emission side..
06/26/14
20140176874
Light guide plate and surface light source device
A light guide plate has a light introducing portion configured to confine light that is incident from an end surface, and a light guide-plate main body configured to emit incident light to an outside from a light emitting surface and provided continuously with the light introducing portion in a thickness smaller than a maximum thickness of the light introducing portion. The light introducing portion has an inclined surface inclined toward the light guide-plate main body from a surface comprising a larger thickness than a thickness of the light guide-plate main body, on at least one of a surface at a light emission side and a surface opposite to the surface at the light emission side.
06/26/14
20140176873
Light guide plate and surface light source device
A light guide plate has a light introduction part having an end face configured to have light incident thereon, and a light guide plate body provided continuously to the light introduction part and comprising a thickness smaller than maximum thickness of the light introduction part. The light guide plate body has a light emitting surface configured to emit light incident from the end face.
06/26/14
20140176872
Liquid crystal display device
Occurrence of an event can be prevented, whereby, when a backlight expands with heat, a light guide plate might move a group of optical sheets into contact with a middle frame and deform the sheets, thereby causing nonuniformity of luminance on a screen. In particular, a protrusion is formed at an edge of the plate, and the sheets are mounted on the plate to avoid the protrusion.
06/26/14
20140176870
Liquid crystal display device
A liquid crystal display device includes a liquid crystal display panel and a backlight. The backlight includes a light guide plate arranged so as to overlap the liquid crystal display panel, an optical sheet arranged between the liquid crystal display panel and the light guide plate, a frame accommodating the light guide plate therein and facing a circumferential edge portion of the liquid crystal display panel, and an adhesive fixing the circumferential edge portion of the liquid crystal display panel to the frame.
06/26/14
20140176869
Liquid crystal display device
An lcd device includes a liquid crystal panel; a backlight unit disposed at a rear side of the liquid crystal panel and including an led assembly and a light guide plate, wherein the light guide plate has a first surface facing the led assembly and a second surface opposite to the first surface; a cover bottom including a horizontal plane over which the backlight unit is disposed and a side perpendicular to the horizontal plane; a guide panel including a side wall and a horizontal portion, wherein the side wall has a first vertical portion surrounding an outer surface of the side of the cover bottom, and the horizontal portion is vertically bent from the first vertical portion and supports the liquid crystal panel, wherein at least one elastic stopper is formed at the side wall and contacts the second surface.. .
06/26/14
20140176868
Light guide plate with blunt edges
Electronic devices may include displays. A display may include display layers having an array of display pixels and a backlight unit that provides backlight illumination to the display pixels.
06/26/14
20140176864
Backlight unit for liquid crystal display device
A backlight unit for a liquid crystal display device includes a cover bottom including a horizontal plane and sides perpendicular to the horizontal plane; guides disposed at inner surfaces of the sides of the cover bottom and each including first, second and third portions, wherein the second portion protrudes from the first portion, and the third portion protrudes from the second portion and has elasticity; a reflection sheet disposed on the first portions; a light guide plate disposed over the reflection sheet and on the second portions; an led assembly disposed at a first side of the light guide plate; and optical sheets disposed over the light guide plate.. .
06/26/14
20140176861
Backlight unit and liquid crystal display device including the same
A backlight unit according to an embodiment includes: a light guide plate; a light emitting diode (led) assembly supplying a light to the light guide plate; and a reflecting plate under the light guide plate, wherein the led assembly includes: an led printed circuit board (pcb) disposed at a side of the light guide plate; a plurality of led chips over the led pcb, the plurality of led chips spaced apart from each other; a plurality of first lead frames electrically connecting the led pcb and the plurality of led chips; and an led housing surrounding the plurality of led chips and the plurality of first lead frames.. .
06/26/14
20140176860
Light guide plate, backlight module and liquid crystal display device including same
A backlight module includes a light guide plate and a plurality of light sources. The light guide plate includes a light incident part and a flat panel.
06/26/14
20140176851
Display device
The embodiments of this utility model provide a display device, comprising a display panel, a module frame supporting the display panel, and a light guide plate and a heat conducting plate each arranged on the back of the display panel, wherein a supporting plate supporting the module frame is arranged on the heat conducting plate. According to the display device of this utility model, the supporting plate is arranged on the heat conducting plate so as to stably support the bottom of the module frame, thereby to enhance the structural strength, to ensure the display panel to be supported stably and flatly, and to prevent the display panel from being warped or deformed due to the internal or external pressure.
06/26/14
20140176179
Pseudo-solar radiation device
A simulated sunlight irradiation apparatus of the present invention (100a) includes: a light guide plate (5) having an irradiation surface and a counter surface opposite to the irradiation surface; and a light absorbing member (8) which is provided on at least one of an irradiation surface side and a counter surface side of the light guide plate (5) and absorbs light in a predetermined wavelength region.. .


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Light Guide Plate topics: Light Guide Plate, Light Guide, Liquid Crystal, Liquid Crystal Display, Display Panel, Control Unit, Terminal Equipment, Led Substrate, Partitioning, Prism Sheet, Irradiation

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This listing is a sample listing of patent applications related to Light Guide Plate for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Light Guide Plate with additional patents listed. Browse our RSS directory or Search for other possible listings.
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