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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


Display device and television device

Sharp

Display device and television device

Display having backlight with narrowband collimated light sources

Apple

Display having backlight with narrowband collimated light sources

Display having backlight with narrowband collimated light sources

Shenzhen China Star Optoelectronics Technology

Side-edge backlight module

Date/App# patent app List of recent Light Guide Plate-related patents
06/25/15
20150177551
 Liquid crystal display device patent thumbnailnew patent Liquid crystal display device
The present invention discloses an lcd device. The lcd device includes a bezel, a light guide plate on the light source for guiding light, an optical film on the light guide plate for processing the guided light through the light guide plate, an lcd panel directly carried on the optical film, a driving chip, a fpc with metal wires, wherein the driving chip bonds with the fpc and is used for being coupled to the lcd panel via the metal wires of the fpc, and a heat sink attached between the bezel and the fpc and used for dissipating heat generated from the driving chip..
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/25/15
20150177453
 Lighting device, display device, and television device patent thumbnailnew patent Lighting device, display device, and television device
A backlight unit includes a light guide plate 16, leds 17, a chassis 14, a frame 13 and positioning members 30. The light guide plate 16 includes two edge surfaces that are light entrance surfaces 16b and a front surface that is a light exit surface.
Sharp Kabushiki Kaisha
06/25/15
20150177449
 Backlight device and display apparatus patent thumbnailnew patent Backlight device and display apparatus
The backlight device included in the display apparatus is provided with: a light guide plate, a front chassis (pressing member) disposed at the front side of the light guide plate; and a heat sink (supporting member) having a plate-shaped connecting part (connecting plate) disposed at the side of the light guide plate, to be connected with other members. A through hole is formed in the connecting part, and a nut, which is necessary for connecting a bezel and the front chassis with a screw, is press-fitted into the through hole.
Sakai Display Products Corporation
06/25/15
20150177448
 Side-edge backlight module patent thumbnailnew patent Side-edge backlight module
The present invention provides a side-edge backlight module, which includes: a backplane (2), a backlight source (4) mounted in the backplane (2), and a light guide plate (6) mounted in the backplane (2). The backlight source (4) includes a circuit board (42), a plurality of led lights (44) mounted to and electrically connected with the circuit board (42), a plurality of vertical heat dissipation boards (46) mounted to the circuit board (42) and arranged between the led lights (44), and horizontal heat dissipation boards (48) perpendicularly connected to the vertical heat dissipation boards (46).
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/25/15
20150177446
 Display device and television device patent thumbnailnew patent Display device and television device
A display device 10 includes a display panel 11, a light source row 170, a light guide plate 16, a chassis 14 and a recess portion 134b that is fitted the chassis 14. The light guide plate 16 includes a positioning projection portion 160 that is fitted to the recess portion 134b.
Sharp Kabushiki Kaisha
06/25/15
20150177438
 Display having backlight with narrowband collimated light sources patent thumbnailnew patent Display having backlight with narrowband collimated light sources
A display has an array of display pixels formed from display layers such as one or more polarizer layers, a substrate on which an array of display pixel elements such as color filter elements and downconverter elements are formed, a liquid crystal layer, and a thin-film transistor layer that includes display pixel electrodes and display pixel thin-film transistors for driving control signals onto the display pixel electrodes to modulate light passing through the display pixels. A light source such as one or more laser diodes or light-emitting diodes may be used to generate light for the display.
Apple Inc.
06/25/15
20150176775
 Display having backlight with narrowband collimated light sources patent thumbnailnew patent Display having backlight with narrowband collimated light sources
A display has an array of display pixels formed from display layers such as one or more polarizer layers, a substrate on which an array of display pixel elements such as color filter elements and downconverter elements are formed, a liquid crystal layer, and a thin-film transistor layer that includes display pixel electrodes and display pixel thin-film transistors for driving control signals onto the display pixel electrodes to modulate light passing through the display pixels. A light source such as one or more laser diodes or light-emitting diodes may be used to generate light for the display.
Apple Inc.
06/18/15
20150170582
 Lighting device, display device, and television device patent thumbnailLighting device, display device, and television device
A backlight unit 12 includes a light guide plate 16, first leds 17a, second leds 17b, first support members 28, and second support members 29. The first leds 17a are opposed to a first light entrance surface 16na that is a first edge surface 16e1 of the light guide plate 16.
Sharp Kabushiki Kaisha
06/18/15
20150168781
 Direct-light type backlight module patent thumbnailDirect-light type backlight module
A direct-light type backlight module includes a light guide module, and a light source module configured for optical coupling to the light guide module. The light guide module includes a back cover and a light guide plate fixed on the back cover.
Hon Hai Precision Industry Co., Ltd.
06/18/15
20150168770
 Liquid crystal display device patent thumbnailLiquid crystal display device
An embodiment of the present invention provides a liquid crystal display device including: a backlight unit including a light guide plate under a liquid crystal panel and a light source at a first side of the light guide plate; a main frame surrounding the backlight unit and including a first guide wall and a first supporting portion, the first guide wall protruding from each corner of an upper surface of the main frame, and the supporting portion extending from adjacent two corners of the upper surface at the first side toward the backlight unit; a light-shielding tape attached on the upper surface of the main frame by being guided by the first guide wall and including a first chamfer portion at each corner and a protrusion at adjacent two corners at the first side, wherein the first chamfer portion and the protrusion correspond to the first guide wall and the first supporting portion, respectively; and a liquid crystal panel disposed over the backlight unit and attached on the light-shielding tape.. .
Lg Display Co., Ltd.
06/18/15
20150168638

Planar light source and producing light-emitting device


A planar light source comprises a light guide plate and a light-emitting apparatus disposed on a lateral surface of the light guide plate. The light-emitting apparatus comprises a light-emitting device, a case, and a sealing resin.
Toyoda Gosei Co., Ltd.
06/18/15
20150168634

Display device and backlight module thereof


A display device includes a backlight module and a display panel. The backlight module includes a light guide plate, a light source, a reflecting sheet and a light transmissible member.
Qisda Corporation
06/18/15
20150168629

Backlight module


The present invention provides a backlight module, which includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2) and located at one side of the light guide plate (4), a light shield (8) arranged between the backlight source (6) and the backplane (2), and a side reflection plate (10) arranged between the light guide plate (4) and the backlight source (6). The backlight source (6) includes an led substrate (62) and a plurality of led lights (64) mounted on the led substrate (62).
Shenzhen China Star Optoeclectronics Technology Co.,ltd.
06/18/15
20150168628

Mat toy


A mat toy includes a mat and an illuminating module on the mat. The illuminating module has a light guide plate.
D.j. Toys Enterprise Corp.
06/18/15
20150167951

Electronic device with light-emitting diode array


Electronic devices may be provided with displays. A display may have a light guide plate.
Apple Inc.
06/11/15
20150160406

Backlight module and liquid crystal display device using the same


A backlight module used in a liquid crystal display (lcd) device is proposed. The backlight module includes a light source, a back bezel, a light guide plate (lgp), and an optical film.
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/11/15
20150160403

Edge-light type planar light source device


The present invention makes it possible to (i) obtain a sufficient and uniform luminance on an entire surface, which is irradiated with light, of a light guide plate and (ii) achieve a reduction in cost. Led light source substrates (140a) and (140b) are each configured to emit light having a first luminance gradient on an edge of a range, to be irradiated with light, which first luminance gradient is smaller than a second luminance gradient of light having a substantially uniform luminance on an entire range to be irradiated with light..
Sharp Kabushiki Kaisha
06/11/15
20150160401

Backlight and liquid-crystal display apparatus using the same


A backlight includes: a light guide plate on which blue light from the blue led falls; a quantum dot enhancement film laminated on the light guide plate and configured to convert blue light passing therethrough into light having peak characteristic for green and red; a frame configured to house the light guide plate and the quantum dot enhancement film, and an inner peripheral surface of the frame has a reflectivity not higher than 50% with respect to the blue light from the blue led.. .
Japan Display Inc.
06/11/15
20150160397

Display device and manufacturing method thereof


The present invention relates to the field of panel display technology, and provides a display device and a manufacturing method thereof. The display device includes a light guide plate; a light-emitting element located on one side of the light guide plate; and a light mixing unit located between the light guide plate and the light-emitting element which unit includes a sealed transparent container and a light mixing substance filled in the container, wherein the light mixing unit enables light from the light-emitting element to be subjected to one or more of scattering, refraction and diffusion.
06/04/15
20150153607

Lcd device


The present invention discloses a liquid crystal display (lcd) device, which includes a display panel, a back light module, a flexible printed circuit board, and a chip. The back light module includes a back cover.
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/04/15
20150153505

Light guide plate and backlight module having same


A light guide plate in a backlight module includes a light guide layer, a carrier layer, and a reflection sheet. The light guide layer includes a first surface and an opposite second surface.
Hon Hai Precision Industry Co., Ltd.
06/04/15
20150153504

Light-emitting diode (led) package and display device having the same as light source


A light-emitting diode (led) package and a display device having the same are disclosed. In one aspect, the display device includes a display panel and a backlight assembly including a light-emitting diode (led) package configured to output light via an opening and a light guide plate configured to guide the emitted light to the display panel.
Samsung Display Co., Ltd.
06/04/15
20150153503

Backlight module and transparent display device comprising the same


The present invention relates to a backlight module and a transparent display device comprising the same. The backlight module disclosed by the present invention comprises: a half-wave plate having a disposing surface; a light guide plate having a plurality of light guide units, the light guide units are adjacent to each other and are disposed on the disposing surface; and a light source irradiating a light into the light guide plate in the direction vertical to the normal line of the disposing surface..
Innolux Corporation
06/04/15
20150153502

Backlight module


The present disclosure relates to a backlight module, including a backlight frame and a light guide plate placed inside the backlight frame, wherein a light-emitting element is provided at the inner side of a side wall of the backlight frame, a first reflective sheet is provided at a lower location under the light guide plate along the vertical direction, and a second reflective sheet is provided at a lower location under the light-emitting element along the vertical direction, the second reflective sheet being extended towards the inside of the backlight frame to a lower location under the light guide plate along the vertical direction. Through providing the second reflective sheet located under the light-emitting element and extending to a lower location under the light guide plate, the light scattered out under the light-emitting element can be guided into the light guide plate, thus effectively enhancing the efficiency of incident light guided into the light guide plate from the light-emitting element..
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/04/15
20150153500

Illumination device and apparatus provided with illumination device


An illumination device that illuminates a portion of an outer peripheral surface of an apparatus in a linear manner, the illumination device includes, a light guide plate, two edges of which have a predetermined distance between each other, wherein one of the edges is a light emission surface that is disposed on an outer peripheral surface side of the apparatus and the other one of the edges is a light incident surface that is disposed on an inner side of the apparatus; and at least one light source that is disposed so as to face the light incidence surface, wherein isosceles triangle shaped prisms that have the same base angles are formed in the light incident surface and the light emission surface.. .
Fujitsu Limited
05/28/15
20150146453

Planar light source device and display device having the same


A planar light source device includes a housing having an opening, point light sources arranged on at least one side surface in the housing, a light guide plate arranged in the housing and having a light-emitting surface facing the opening and a counter-emitting surface being opposite to the light-emitting surface, a reflecting sheet arranged on the counter-emitting surface side of the light guide plate in the housing, and a reflecting region arranged on at least a part of a peripheral portion of the point light sources on the side surface on which the point light sources are arranged in the housing and absorbing light having at least some wavelength.. .
Mitsubishi Electric Corporation
05/28/15
20150146144

Border masking structures for liquid crystal display


A display may have a thin-film transistor layer and color filter layer. The display may have an active area and an inactive border area.
Apple Inc.
05/28/15
20150146136

Side-light type backlight module


A side-light type backlight module includes a front bezel, an optical film, a light guide plate, a box-shaped back cover, and a light source board. The optical film is positioned on the light guide plate.
Hon Hai Precision Industry Co., Ltd.
05/28/15
20150146113

Display device and television device


A display device 10 includes a display panel 11, a light source row 170, a light guide plate 16, a chassis 14 and a recess portion 134b that is fitted the chassis 14. The light guide plate 16 includes a positioning projection portion 160 that is fitted to the recess portion 134b.
Sharp Kabushiki Kaisha
05/28/15
20150146110

Lighting device, display device and television device


A backlight unit 24 includes a light guide plate 20, a heat dissipation member 36, a led board 30, and leds 27 mounted on the led board 30. The light guide plate 20 includes a light exit surface 20b on a front surface thereof, an opposite surface 10c on a rear surface thereof, a groove 20d in the opposite surface 20c, a light entrance surface 20d1 on one side surface in the groove 20d, and an opposite side surface 20d3 on another side surface in the groove 20d.
Sharp Kabushiki Kaisha
05/28/15
20150146109

Display device and television device


A liquid crystal display device 10 includes an led 17, a liquid crystal panel 11, a light guide plate 16 including at least one side-surface as a light entrance surface 16b, a chassis 14 having a bottom plate 14a, a frame 13, an led board 18, a heat dissipation member 19 having heat dissipation properties, and a fixing screw 40. The frame 13 and the chassis 14 sandwich the liquid crystal panel 11, the led 17, and the light guide plate 16 therebetween.
Sharp Kabushiki Kaisha
05/21/15
20150138836

Illuminating device, liquid crystal display device, electronic device, and manufacturing light guide panel


When first grooves are formed by irradiating a lower surface facing a light outgoing surface of a light guide plate for an illuminating device with laser beams, an outer circumferential region is firstly irradiated with the laser beams to form second grooves. Then, the second grooves are inspected.
Seiko Epson Corporation
05/21/15
20150138835

Light guide plate, making the same, backlight module, and display device


Embodiments of the invention provide a light guide plate comprising a light guide layer and a reflective layer; a lower surface of the light guide being a reflective surface; an upper surface of the light guide layer being a stepped surface and comprising an upper step surface, a lower step surface and an inclined surface connecting the upper step surface and the lower step surface; wherein the lower step surface is a light exiting surface and the reflective surface is coated on the inclined surface. Embodiments of the invention further provide a method for manufacturing the light guide plate, a backlight module provided with such a light guide plate, and a display device provided with such a backlight module..
Beijing Boe Optoelectronics Technology Co., Ltd.
05/21/15
20150138834

Light source device and electronic apparatus


A light source device includes: a light source; a package that houses the light source and has an opening section configured to emit light from the light source; a light reduction unit provided on the opening section and configured to reduce the light emitted from the opening section; and a light guide plate having: an incidence surface configured such that the light reduced by the light reduction unit is incident on the incidence surface; a light guide section configured to guide the light which is incident on the incidence surface; and an emission surface configured to emit the light guided by the light guide section.. .
Nikon Corporation
05/21/15
20150138833

Backlight module and liquid cyrstal display device including the same


The present disclosure relates to a backlight module and a liquid crystal display device including the backlight module. The backlight module includes a light guide plate and a planar reflecting sheet arranged below the light guide plate, wherein a plurality of lattice points are provided on the upper surface of the light guide plate so that the upper surface forms a light-emitting surface, and a plurality of cylindrical projections in contact with the planar reflecting sheet are formed on the lower surface of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co., Ltd
05/21/15
20150138831

Edge light-type surface light source device and illumination device


A surface light source device (10) includes: a light guide plate (120); and a plurality of led light source substrates (140) each emitting light into the light guide plate (120) through a side surface of the light guide plate (120), the led light source substrates (140) (i) being provided at a pair of sides of the light guide plate (120), the pair of sides facing each other and (ii) having a length shorter than a length of each of the pair of sides at which the plurality of led light source substrates (140) are provided.. .
Sharp Kabushiki Kaisha
05/21/15
20150138828

Backlight source and display device


Embodiments of the invention provide a backlight source and a display device. An aperture is formed in a frame of the backlight source.
Tianma Micro-electronics Co., Ltd.
05/21/15
20150138750

Keyboard


A keyboard includes a transparent board, keyswitches, and a backlight module. The keyswitches could move upward and downward relative to the transparent board.
Wistron Corporation
05/21/15
20150138647

Light reflecting member, light beam extension device, image display device, and optical device


An image display device includes an image generating device, a light guide unit which includes a light guide plate and first and second deflection sections, and a light beam extension device which extends light incident from the image generating device, along a z direction when an incident direction of light incident on the light guide plate is set to be an x direction and a direction of propagation of light in the light guide plate is set to be a y direction, and emits the light to the light guide unit, wherein the light beam extension device includes a first reflecting mirror on which light from the image generating device is incident, and a second reflecting mirror which emits light incident from the first reflecting mirror to the light guide unit, and each of the first and second reflecting mirrors has a light reflecting surface having a sawtooth-shaped cross-sectional shape.. .
Sony Corporation
05/21/15
20150138646

Optical element, image display device and manufacturing same


An optical element includes a light guide plate that has therein a light transmissive flat plate member on which a transflective layer is formed, and a layer of a light transmissive adhesive or a light transmissive resin layer that uniformly covers the light guide plate. The refractive index of the layer of the adhesive or the resin layer is set to a refractive index different from that of the light guide plate.
Seiko Epson Corporation
05/21/15
20150138472

Backlight module and liquid crystal display module using same


The present invention provides a backlight module and a liquid crystal display module using the backlight module. The backlight module includes: a backplane (2), a backlight source (4) mounted in the backplane (2), and a light guide plate (6) mounted in the backplane (2).
05/21/15
20150138447

Lighting device, display device, and television device


A liquid crystal display device 10 includes leds 17, a light guide plate 16, a mating portion 33, a positioning portion 34, a heat dissipation member 19 on which the leds 17 are mounted, and a restriction portion 35. The light guide plate 16 includes a peripheral surface facing the leds 17 and configured as a light entrance surface 16b through which light from the leds 17 enters and a plate surface configured as a light exit surface 16a through which light exits.
Sharp Kabushiki Kaisha
05/14/15
20150131323

Illumination apparatus, manufaturing light guide plate, back light module and manufacturing the same


A method for manufacturing a light guide apparatus includes the following steps. A first mold and a second mold are provided.
05/14/15
20150131322

Backlight frame and backlight module


The present disclosure relates to a backlight frame including a frame body, which has a first and a second side wall opposite to each other, and a third and a fourth side wall opposite to each other, wherein at least one first protrusion is arranged in the frame body close to the first side wall, at least one second protrusion is arranged wall in the frame body close to the second side, at least one third protrusion is arranged in the frame body close to the third side wall, and at least one fourth protrusion is arranged in the frame body close to the fourth side wall. The first, second, third and fourth protrusions together define a placement area for disposing a light guide plate.
05/14/15
20150131320

Backlight module


A backlight module including a light guide plate is disclosed. The light guide plate has a light emitting plane, a bottom plane opposite to the light emitting plane and a light incident plane connecting the light emitting plane and the bottom plane, a plurality of arc protrusions disposed on the first light incident plane; and a transparent layer disposed upon each of the arc-protrusions.
05/14/15
20150131315

Direct type backlight module


A backlight module includes a light guide assembly and a light source assembly. The light guide assembly includes a back cover, a reflective sheet, a light guide plate, and an optical film.
05/14/15
20150131309

Illumination device and display device


Provided are an illumination device capable of improving the uniformity in brightness of the illumination light, and a display device using the same. An illumination device is provided with: a plurality of light sources arranged in a row in one direction; and a light guide plate which has, along a side edge face, a light receiving face facing the light source, guides light entering through the light receiving face, and outputs illumination light from a light emitting surface disposed on the front surface; the light guide plate having a plurality of prisms and a plurality of prisms provided in an indented manner on the front or rear surface and arranged in a row along the longitudinal direction of the light receiving face; the prisms being formed spanning between the light receiving face and the opposing face opposite the light receiving face; and the prisms being formed, between adjacent prisms, deeper than the prisms within a predetermined range in the vicinity of the light receiving face..
05/14/15
20150131308

Backlight module


A backlight module includes a light guide plate and a supporting assembly. The light guide plate has a light input surface, a light output surface and a back surface.
05/14/15
20150131307

Backlight module


A backlight module is provided and includes a back plate, a light guide plate, a light source, a frame, at least one first positioning member and at least one second positioning member. The back plate includes at least one first limiting hole.
05/14/15
20150131028

Backlight unit and display device including the same


A backlight unit includes a light source providing a blue light; a light guide plate of glass at a side of the light source; an optical sheet on the light guide plate; a reflective sheet under the light guide plate; and an optic change part including a yellow fluorescent material, wherein the blue light is changed into a white light by the optical change part.. .
05/14/15
20150131027

Backlight module and display apparatus thereof


A backlight module includes a light guide plate, alight emitting diode, a limiting block, an elastic member, and a bezel having a containing structure. The light guide plate is disposed in the containing structure and has a side surface and a light entrance surface opposite to the side surface.
05/07/15
20150124482

Light source device and display device


Provided are a light source device and a display device capable of preventing the user from recognizing unevenness in luminance due to reflection, by a reflection sheet, of the unevenness in luminance occurring at a cut-out part of a light guide plate. For cut-out parts formed on a light guide plate and a reflection sheet, respectively, to correspond to a positioning part which is located in a housing accommodating, in a stacked manner, the light guide plate and the reflection sheet for reflecting light entering the light guide plate to one surface side, the reflection sheet being located on another surface side of the light guide plate, and which determines a position of the light guide plate and the reflection sheet in the housing, the cut-out part of the light guide plate is configured to be included in the cut-out part of the reflection sheet in the direction of stack, thereby preventing unevenness in luminance occurring at the cut-out part of the light guide plate from being reflected to the side of one surface of the light guide plate..
Sakai Display Products Corporation
05/07/15
20150124197

Backlighting assembly combined with lcd assembly and combining the same using a double-sided adhesive member


The high intensity light output of edge lighting point light sources such as leds may generate undesired leakage light that is optically conducted by way of a continuum of the material of a components affixing adhesive member. In accordance with present disclosure, air filled grooves or other such discontinuities are formed in the adhesive member along respective light output pathways of the respective point light sources.
Samsung Display Co., Ltd.
05/07/15
20150124196

Backlight unit and liquid crystal display device using the same


The backlight unit whose luminance life can be extended without increasing the cost and the power consumption includes: a light source unit to which a light source is mounted; a light guide plate which converts light from the light source to a surface light beam and emits the beam; and supporting members provided between the light source unit and the light guide plate, wherein each of the supporting members is a member having a function of shortening the distance between the light source unit and the light guide plate by the changes generated over time.. .
Nlt Technologies, Ltd.
05/07/15
20150124177

Lighting device, display device and television device


A backlight device (a lighting device) 12 includes leds (a light source) 17, a light guide plate 16, a chassis 14, led boards 18, and heat dissipation members 19. The light guide plate 16 includes an end surface that is opposite the leds 17 and configured as a light entrance surface 16b through which light from the leds 17 enters.
Sharp Kabushiki Kaisha
04/30/15
20150117059

Multidirectional lighting module for implementing multiple colors and electronic device having the same


A multidirectional lighting module for implementing multiple colors and an electronic device having the same are provided. The multidirectional lighting module includes light emitting diodes (leds), a circuit board on which the leds are mounted, and a light guide plate that emits light incident from the leds in at least two directions.
Samsung Electronics Co., Ltd.
04/30/15
20150117055

Display apparatus


A display apparatus is provided. A display unit has a display region.
E Ink Holdings Inc.
04/30/15
20150117054

Display device


A display device includes a display panel, a light guide plate (lgp), a light source, and a positioning component. The lgp is disposed on a display surface of the display panel and has an upper surface and a lower surface opposite to each other, a light-incident surface, a first light-guiding block, and a second light-guiding block.
E Ink Holdings Inc.
04/30/15
20150117053

Light guide plate


A light guide plate including a plate body and a plurality of microstructures formed thereon is provided. The plate body has a light entrance surface, a light exit surface orthogonal to the light entrance surface, and at least one side surface neighboring the light exit surface and the light entrance surface.
Wistron Corporation
04/30/15
20150117052

Backlight module and display panel using the same


A backlight module includes a frame, a light source, a light guide plate, a wavelength conversion layer, and an optical film group. The light source is disposed in the frame.
Au Optronics Corporation
04/30/15
20150117051

Display device and backlight module


A backlight module includes a bottom frame, a light guide plate, a lighting bar and a supporting bar. The light guide plate is disposed on the bottom plate of the bottom frame.
Wistron Corporation
04/30/15
20150116628

Light assembly, backlight module and liquid crystal display


A light assembly, a backlight module and a liquid crystal display are described. The light assembly includes a carrier, a light guide plate, a light source, a constraining member and a securing unit.
Radiant Opto-electronics Corporation
04/30/15
20150116627

Backlight module and liquid crystal display device using same


The present invention provides a backlight module and a liquid crystal display device using the backlight module. The backlight module includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2), and an optic film assembly (8) arranged on the light guide plate (4).
Shenzhen China Star Optoelectronics Technology Co., Ltd.
04/30/15
20150116626

Backlight module and liquid crystal display device using same


The present invention provides a backlight module and a liquid crystal display device using the backlight module. The backlight module includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2), an optic film assembly (8) arranged above the light guide plate (4), and a reflection plate (9) arranged between the backplane (2) and the light guide plate (4).
Shenzhen China Star Optoelectronics Technology Co., Ltd.
04/30/15
20150116598

Display device and television receiver


A liquid crystal display device (display device) is provided with: leds (light source); a liquid crystal panel (display panel); a light guide plate; a chassis that is disposed on the opposite side of the light guide plate from the liquid crystal panel, is formed in a plate shape, and has a chassis side recessed and protruding part formed from recessed parts and protruding parts arranged along the plate surface direction of the chassis on a plate surface on the light guide plate side; and a frame (frame member) that is arranged on a display surface side of the liquid crystal panel, accommodates the leds, liquid crystal panel, and light guide plate within the chassis, has the leds attached thereto, has a frame side recessed and protruding part that can mate with the chassis side recessed and protruding part, and also has the frame side recessed and protruding part mated with the chassis side recessed and protruding part.. .
Sharp Kabushiki Kaisha
04/23/15
20150109819

Backlight module and liquid crystal display


Disclosed is a backlight module having light sources and a light guide plate, and the light guide plate has an incident side, and the lights emitted by the light sources pass through the incident side and enter into the light guide plate, and the a light direction changing layer is positioned at the incident side, and the light direction changing layer is employed for changing progress directions of the lights entering the incident side to shorten a distance perpendicular to the incident side from an intersection point of the lights emitted by adjacent light sources to the light sources. The present invention also discloses a liquid crystal display..
Shenzhen China Star Optoelectronics Technology Co., Ltd.
04/23/15
20150109816

Light guide plate, light source device, and electronic apparatus


A light guide plate configured to guide light which is incident on an incidence surface of a plate-shaped member so as to be emitted from an emission surface includes: a light amount adjusting unit configured to adjust the amount of light emitted from an excessive light amount region of the emission surface, wherein the light amount adjusting unit is provided on one of the incidence surface and the emission surface, corresponding to the excessive light amount region.. .
Nikon Corporation
04/23/15
20150109757

Luminous keyboard device


A luminous keyboard device includes a keypad module, a supporting plate, a flexible circuit board, a light-emitting element, a reflective layer, and a light guide plate. The supporting plate includes plural receiving parts.
Primax Electronics Ltd.
04/23/15
20150109678

Image display apparatus


Where an axial direction of the light guide plate is the y-direction, wy represents the width in the y-direction of the light incident on the light guide plate, t represents the thickness of the light guide plate, and θ represents the total reflection angle.. .
04/23/15
20150109546

Reflection type display module and electronic device using the same


An electronic device includes a housing and a display module received in the housing. The display module includes a display panel, a touch panel positioned on the display panel, a light guide plate positioned on the touch panel, a light source positioned at a side of the light guide plate, and a hardened layer positioned on the light guide plate.
Hon Hai Precision Industry Co., Ltd.
04/23/15
20150109352

Display device, electronic apparatus, and driving display device


According to an aspect, a display device includes an image display panel; a planar light source including a light guide plate and an edge-lit light source that has light sources; and a controller. The controller sets luminance determination blocks by virtually dividing the image display panel in a light-source-arrangement-direction, identifies a luminance determination block with a highest luminance in the incidence direction, among luminance determination blocks at a same position in the light-source-arrangement-direction, identifies a luminance determination block the luminance of which is to be corrected by referring to luminance information of the light sources, and controls a light quantity of each of the light sources in such a manner that luminance of the identified luminance determination block is achieved..
Japan Display .inc.
04/23/15
20150109351

Display device, electronic apparatus, and driving display device


According to an aspect, a display device includes: an image display panel; and a planar light source including a light guide plate and an edge-lit light source, the light guide plate illuminating the image display panel from a back side, the edge-lit light source including a plurality of light sources arranged facing a plane of incidence; and a controller that controls luminance of each of the light sources independently. The controller stores therein, as lookup tables for the respective light sources, information on light intensity distributions of light that is incident on the light guide plate from the respective light sources and is emitted to a plane of the image display panel from the light guide plate, and controls a light quantity of each of the light sources based on information on an input signal of an image, and on the lookup tables..
Japan Display Inc.


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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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