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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


Illuminating unit, display unit, and electronic apparatus

Illuminating unit, display unit, and electronic apparatus

Lighting apparatus and display apparatus

Lighting apparatus and display apparatus

Lighting apparatus and display apparatus

Back light unit with light guide plate preventing dark area between leds

Date/App# patent app List of recent Light Guide Plate-related patents
10/09/14
20140301109
 Light guide plate, back light module and display apparatus patent thumbnailLight guide plate, back light module and display apparatus
A light guide plate comprises a transparent light guide plate body; and a plurality of reflection sheets disposed inside the light guide plate body adjacent to a bottom surface of the light guide plate body, wherein a surface of the reflection sheet away from the bottom surface is configured as a reflection surface, regions of the light guide plate body except the reflection sheets are configured as light transmission regions, and the light transmission regions and the reflection sheets are alternately arranged. Since the reflection sheets are provided inside the light guide plate body, the reflection sheet reflects the light which is directed from the one surface and passes through the display panel, and prevents the light, which is directed from the other surface of the display apparatus, from passing through the display panel and interfering with the normal display of the one surface.
10/09/14
20140301108
 Illuminating unit, display unit, and electronic apparatus patent thumbnailIlluminating unit, display unit, and electronic apparatus
Provided is a display unit capable of achieving a more excellent image. The display unit includes an illuminating unit and a display section configured to perform image display using light from the illuminating unit.
10/09/14
20140301107
 Lighting apparatus and display apparatus patent thumbnailLighting apparatus and display apparatus
A lighting apparatus of the present disclosure includes: a light source device having one or more light emitting diodes; a board on which the light source device is provided; a light guide plate having an entrance surface facing a light exit surface of the light source device to allow entry of light therefrom, and a light emission surface which emits the light having entered through the entrance surface, the light guide plate configured to propagate the light having entered through the entrance surface and emit the light through the light emission surface; and an engagement member fixed on the board and engaging the board with the light guide plate, the engagement member configured to prevent relative motion, between the board and an engaged portion of the light guide plate engaged with the board, in a direction in which the light exit surface and the entrance surface face each other.. .
10/09/14
20140301105
 Back light unit with light guide plate preventing dark area between leds patent thumbnailBack light unit with light guide plate preventing dark area between leds
A backlight unit with a light guide plate preventing the dark area between light emitting diodes (leds) is provided, wherein a plurality of dark area-preventing patterns formed on an incidence plane of a light guide plate and having different angles of inclination or different radii of curvature may evenly diffuse lights incident from an led even under the condition that the gap between the leds is relatively broad and greater than or equal to the width of an led and thus, uniform brightness may be obtained without an occurrence of a dark area. Accordingly, the number of the leds may be decreased and the backlight unit may be fabricated with a relatively low cost..
10/09/14
20140301104
 Backlight module patent thumbnailBacklight module
A backlight module includes a reflector, a light guide plate and a film. The reflector includes a supporting plate and two extending portions, and the extending portions are located on two opposite sides of the supporting plate, respectively.
10/02/14
20140293653
 Composite light guide plate, apparatus and method for manufacturing same patent thumbnailComposite light guide plate, apparatus and method for manufacturing same
A composite light guide plate comprises a light guide plate and a prism structure adhering to the light guide plate. The light guide plate comprises a light emitting surface.
10/02/14
20140293652
 Light guide plate and mold for manufacturing same patent thumbnailLight guide plate and mold for manufacturing same
A light guide plate includes a rough light emitting surface, a bottom surface opposite to the light emitting surface, and a plurality of microstructures formed on the bottom surface. A cross-sectional surface of each of the microstructures is trapezoidal shaped..
10/02/14
20140293639
 Brake light system and brake light patent thumbnailBrake light system and brake light
A braking light system mounted on a road vehicle includes at least one braking light, a power source, a detecting unit, and a controlling unit. The braking light includes a light guide plate, a first light source, and a second light source.
10/02/14
20140293571
 Artificial sunlight radiation device patent thumbnailArtificial sunlight radiation device
An artificial sunlight radiation device (10) includes a xenon light source (9), a condensing element (2), a tapered coupler (3), an optical filter (4), a light guide plate (16), a light extracting member (17), and a side-surface reflection member (15) that is provided at one or more side end surfaces of the light guide plate (16), reflects a portion of the light output from the light guide plate (16), and directs the portion of the light toward a radiation surface.. .
10/02/14
20140293389
 Optical device and virtual image display patent thumbnailOptical device and virtual image display
An optical device includes: a light guide plate receiving, for each of n types of wavelength bands, a plurality of parallel light beams with different incident angles each corresponding to view angles, and guiding the received parallel light beams; a first and a second volume hologram gratings of reflection type having a diffraction configuration which includes n types of interference fringes each corresponding to the n types of wavelength bands, and diffracting/reflecting the parallel light beams. The optical device satisfies for each wavelength band, a relationship of ‘p>l’, where ‘l’ represents a central diffraction wavelength in the first and second volume hologram gratings, defined for a parallel light beam corresponding to a central view angle, and ‘p’ represents a peak wavelength of the parallel light beams..
10/02/14
20140293191
Liquid crystal device, electronic apparatus and lighting device
In a liquid crystal device, when the local dimming is adopted, at a light guide plate of a lighting device, light guide plate portions having a trapezoidal planar shape where two sides facing each other in the y-axis direction have different lengths are arranged in the x-axis direction to have reverse orientations in the y-axis direction. A light emitting element emits the light of a light source from the end surface of the light guide plate portion which is located at a short side into the light guide plate portion.
10/02/14
20140293189
Reflective liquid-crystal display device and electronic apparatus
According to an aspect, a reflective liquid-crystal display device includes a liquid-crystal panel and a front light unit. The liquid-crystal panel includes a sheet-like anisotropic scattering member having low refractive index areas and high refractive index areas with a refractive index higher than that of the low refractive index areas.
10/02/14
20140293185
Backlight device and liquid crystal display including the same
A backlight device includes: a flat chassis member; a light guide plate stacked on the chassis member; and a light source member attached to the chassis member so as to face a light incident face that is located at a side face of the light guide plate. The light guide plate has, at at least one side face adjacent to the light incident face, a convex part protruding outwardly of the side face, the chassis member has a protruding part to sandwich the convex part, and at least a part of the protruding part is covered with an elastic member that presses the convex part toward the light source member..
10/02/14
20140293136
Illumination device, display device, television receiving device, and illumination device manufacturing method
An illumination device 12 includes a light source 17; a light guide plate 16 having a light-receiving face 16b and a light-exiting surface 16a; a chassis 14 having a body 141 covering a rear surface 16c of the light guide plate 16, a strip-shaped projecting part 142 projecting beyond the light-receiving face 16b, and a straight edge 143 extending in a straight line parallel with the light-receiving face 16b; a light source support member 19 having a support part 191 supporting the light source 17, and an attachment part 192 having an edge 193 that extends beyond the straight edge 143 of the chassis 14 and that extends in a straight line parallel with this straight edge 143, the attachment part 192 being attached to the front side of the projecting part 142; a screw 21 penetrating the projecting part 142 and the attachment part 192 from the rear side of the projecting part 142; and a screw-receiving part 131 that clamps the projecting part 142 and the like between the screw 21 and the screw-receiving part 131 itself.. .
09/25/14
20140286050
Backlight module
A backlight module comprises a light guide plate, a plurality of light guide portions, and a plurality of light sources. Each light guide portion is wedge-shaped.
09/25/14
20140286045
Display and front-light module thereof
A display includes a reflective display module, a light guide plate, at least one light source and a cover lens. The light guide plate includes a first light guide surface opposite to the reflective display module.
09/25/14
20140285750
Transparent display device
A display device includes a liquid crystal display panel that varies a phase of polarized light via liquid crystal molecules, wherein second recessed patterns of a second light guide plate are directly faced with first recessed patterns of a first light guide plate to form a first empty space, and wherein first flat surfaces of the first light guide plate are directly faced with second flat surfaces of the second light guide plate to form a second empty space narrower than the first empty space.. .
09/25/14
20140285747
Liquid crystal display with narrow bezel area
A liquid crystal display with a narrow bezel area includes a liquid crystal display panel displaying an image, a light source unit supplying light to the liquid crystal display panel, a light guide plate converting light irradiated by the light source unit into planar light, a cover bottom which includes a bottom part and side walls extending from edges of the bottom part to an upper side and receives the light source unit and the light guide plate, and a supporting member which surrounds an external surface of the cover bottom, extends from an upper part of the light guide plate to the inside of the cover bottom, and supports the liquid crystal display panel.. .
09/18/14
20140268880
Positioning device for light guide plate and backlight module
The present invention provides a positioning device for light guide plate and the backlight module. The positioning device for light guide plate includes a backboard and a spring member which can be deformed when exerted with external force, and resumes to its original position when the external force is relieved.
09/18/14
20140268878
Backlight module having light guide plate positioning structure
A backlight module includes a light guide plate, a frame, and a positioning pad. The frame includes a sidewall and a tongue plate extending from the sidewall.
09/18/14
20140268866
Decoration of water lantern
The present invention provides a decoration of water lantern which mainly comprises a body, a light guide unit, and a base. The body can be filled with flow liquid inside.
09/18/14
20140267981
Backlight module and liquid crystal display device having the same
A backlight module and a liquid crystal display device having the same are provided. The backlight module includes a light guide plate, a light source, a shading sheet and at least one reflecting sheet.
09/18/14
20140267971
Liquid crystal display device
According to one embodiment, a light guide plate includes a light guide plate main body disposed with one end side thereof opposed to a light source and convex portions provided on the both lateral portions in positions separate from the both end portions toward the center of the light guide plate main body. A frame includes fitted portions recessed in positions corresponding to the respective convex portions, into which the convex portions are to be fitted.
09/11/14
20140254197
Warning 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
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
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
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
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
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
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
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
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
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.


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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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