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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


Side-light type backlight module

Hon Hai Precision Industry

Side-light type backlight module

Date/App# patent app List of recent Light Guide Plate-related patents
05/28/15
20150146453
 Planar light source device and display device having the same patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailnew patent 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 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
05/28/15
20150146110
 Lighting device, display device and television device patent thumbnailnew patent 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 patent thumbnailnew patent 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 patent thumbnailIlluminating 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 patent thumbnailLight 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 patent thumbnailLight 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 patent thumbnailBacklight 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.
04/23/15
20150108364

Charged particle emission device and air-blowing device


A charged particle emission and air-blowing device includes a communication port biased toward an end portion in a predetermined direction with respect to an air outlet, and a width expander configured to widen a flow path between an air directing plate of the end portion and a second blowing duct wider than a periphery. Emitted light from a light guide plate is reflected by the air directing plate in the delivery direction of an air flow.
Sharp Kabushiki Kaisha
04/23/15
20150107974

Keyboard equipped with light emitting structure


A keyboard equipped with light emitting structure comprises a plurality of keycap portions and a light guide command circuit board which includes an upper light guide plate, a lower light guide plate and a middle plate located between the upper and lower light guide plates. The upper and lower light guide plates have respectively an upper trigger portion and a lower trigger portion at one side facing the middle plate.
Zippy Technology Corp.
04/16/15
20150103393

Reflective display apparatus and manufacturing reflective display apparatus


A reflective display apparatus including at least one front-light module, a first frame, a first liquid, and a display unit is provided. The at least one front-light module includes a light source and a light guide plate.
E Ink Holdings Inc.
04/16/15
20150103259

Lighting device, display device and television device


A backlight device 12 includes leds 17, a light guide plate 16, an optical member 15, and a transparent plate 30. The light guide plate 16 includes a front plate surface configured as a light exit surface 16a and opposing side-surfaces configured as light entrance surfaces 16b, 16b.
Sharp Kabushiki Kaisha
04/16/15
20150103258

Lighting device, display device and television device


A backlight device 12 includes a led 17, alight guide plate 19 having an end surface as a light entrance surface 19b and a plate surface as a light exit surface 19a, a led board 18 having a square plate surface that is opposed to the light entrance surface 19b, a board-side connector 22 arranged on the led board 18, and a heat dissipation member 20. The heat dissipation member 20 has a positioning hole 26 that is through the heat dissipation member 20 and with which the led board 18 is positioned with respect to the heat dissipation member 20.
Sharp Kabushiki Kaisha
04/09/15
20150098249

Guide plate and backlight assembly including the same


Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion.
Samsung Display Co., Ltd.
04/09/15
20150098247

Backlight assembly and display device having the same


A backlight assembly includes a light source, a circuit board on which the light source is disposed, a light guide plate having a light incident surface and a light emitting surface, a bottom case accommodating the light guide plate, a fixing frame coupled to the bottom case and fixing the circuit board, and a heat dissipation apparatus disposed between the light source and the light guide plate and including a light-transmitting unit that transmits light.. .
Samsung Display Co., Ltd.
04/09/15
20150098246

Light guide plate and related backlight module


A light guide plate disclosed in the present disclosure includes a board body, a prism component and at least one optical microstructure. The prism component is disposed on at least one surface of the board body.
Wistron Corporation
04/09/15
20150098044

Liquid crystal display device


There is provided a liquid crystal display device including a liquid crystal display panel and a backlight. The backlight includes a light guide plate with multiple leds arranged on a side surface, and a first optical sheet provided on the light guide plate.
Japan Display Inc.
04/09/15
20150098026

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 a light exit surface 16a, an opposing surface 16c, and 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 heat dissipation member 19 includes a contact portion 19c being in contact with an end portion of the opposing surface 16c on alight entrance surface 16b side, a bottom portion 19b arranged on and along the bottom plate 14a and a stand-up portion 19a projecting from the bottom portion 19b toward the liquid crystal panel 11.
Sharp Kabushiki Kaisha
04/09/15
20150098025

Lighting device, display device, and television device


A back light unit (lighting device) 12 includes an led (light source) 17, a light guide plate 16 including a light entrance surface 16b and a light exit surface 16a, led boards 18 each including a plate surface facing the light entrance surface 16b and board relay terminals 22 configured to relay power to the led 17, and a relay wiring member (relay member) 28 electrically connecting between the board relay terminals 22 and a power source board (power) pwb. The light entrance surface 16b faces the led 17.
Sharp Kabushiki Kaisha
04/02/15
20150094154

Game machine


A game machine has an operation lever device disposed on a front side of the game machine, having a lever having a grip section that is configured to be held by a game player and that rotates bi-directionally with respect to a shaft, a light guide plate disposed on the grip section of the lever in a viewable manner, a light source section that supplies light into the light guide plate. The grip section is formed into a long shape.
Omron Corporation
04/02/15
20150094149

Operation unit and game machine


An operation unit has a touch panel that senses a press, a button plate disposed above the touch panel, and having a plurality of push buttons, each of which protrudes on a side opposite to a side where the touch panel is disposed, a light guide plate disposed between the touch panel and the button plate, and a light emission pattern disposed on a surface of the light guide plate that forms an image by emitted light. The button plate is provided along a surface of the touch panel and has a base section comprising apertures at respective positions where the plurality of push buttons are formed, top surface sections, each of which constitutes corresponding one of the plurality of push buttons and serving as an operation surface..
Omron Corporation
04/02/15
20150092445

Spread illuminating apparatus


A spread illuminating apparatus includes a point light source with a light-emitting surface, a circuit board with a mounting surface on which the point light source is mounted, and a light guide plate with an incident light surface and an emitting surface. The circuit board is arranged as that at least a partial portion of the circuit board extends beyond an area where the point light source is mounted so as to be superposed on the light guide plate, a light-reflecting member is arranged on the mounting surface, and a region of the mounting surface in which the light-reflecting member is arranged includes a first region that extends forward from a position corresponding to the center of the light-emitting surface of the point light source..
Minebea Co., Ltd.
04/02/15
20150092441

Light guide body and light-emitting device


An exit surface of a light guide plate includes a first position from which first emitted light is emitted within an angular range that causes the first emitted light to be applied to one eye and the vicinity thereof and a second position from which second emitted light is emitted within an angular range that causes the second emitted light to be applied to the other eye and the vicinity thereof. A straight line that passes through the first position and the center of the one eye and a straight line that passes through the second position and the center of the other eye intersect with each other..
Omron Corporation
04/02/15
20150092385

Display apparatus


A display apparatus includes a display panel which displays an image, a polarizing member including a first polarizing film on a lower surface of the display panel and a second polarizing film on an upper surface of the display panel, a light guide plate which receives the display panel and is adhered to the first polarizing film, and a reflecting sheet extending from a lower surface of the light guide plate to the upper surface of the display panel and covering the light guide plate and a portion of the display panel.. .
Samsung Display Co., Ltd.
03/26/15
20150086728

Machining machining microstructure on light guide plate


A light guide plate includes a first transparent base layer, an adhesive layer and a transparent composite layer. The adhesive layer is configured for bonding the transparent composite layer on the first transparent base layer.
Hon Hai Precision Industry Co., Ltd.
03/26/15
20150085525

Light guide plate and backlight module


A light guide plate and a backlight module are provided. The backlight module includes a light source and the light guide plate.
Wistron Corporation
03/26/15
20150085221

Backlight module and corresponding liquid crystal display


The present invention relates to a backlight module and a liquid crystal display (lcd). The backlight module comprises a back plate, a light source, a light guide plate, a plastic housing and a front frame which has four straight subframes.
Shenzhen China Star Optoelectronics Technology Co., Ltd.
03/19/15
20150078033

Backlight assembly and display including the same


A backlight assembly and a display including the same are disclosed. In one aspect, the backlight assembly includes a light source unit, a light guide plate including a light incident surface and a light facing surface formed on opposing ends thereof.
Samsung Display Co. Ltd.
03/19/15
20150078032

Light source unit and display apparatus


A light source unit, comprising: a light guide plate; a light source facing to a peripheral surface of the light guide plate; and a reflection part reflecting light emitted from one surface of the light guide plate, wherein the reflection part comprises: an elongated portion, which is positioned at an outside of an edge of the light guide plate, being elongated in a direction crossing the one surface; and a protrusion portion, which is located at a position of the elongated portion that is away from the one surface, protruding from the position to the one surface, wherein the one surface side of the light source is covered with the protrusion portion.. .
Sakai Display Products Corporation
03/19/15
20150077643

Lighting device, display device, and television device


A backlight unit 12 (lighting device) includes leds (light sources) 17, a light guide plate 19, an led board (light source board) 18, a chassis (mount member) 14 to which the led board 18 is mounted, a screw member (board attachment member) 22, arrangement interval variation leds (arrangement interval variation light sources) 24. The light guide plate 19 includes an end surface (light entrance surface 19b) opposite the leds 17 and through which light from the leds 17 enters and a plate surface (light exit surface 19a) through which light exits.
Sharp Kabushiki Kaisha
03/12/15
20150070935

Light guide plate


A large-sized thin light guide plate has a first layer on a light exit surface side and a second layer on a rear surface side containing scattering particles at a higher particle concentration than the first layer. Thicknesses of the layers in a direction substantially perpendicular to the light exit surface change to change a combined particle concentration.
Fujifilm Corporation
03/12/15
20150070928

Module for displaying products with back-lighting function, front module thereof and product display unit


A front module for a portion for supporting products of a product display unit is configured to be disposed at the front end of the portion for supporting products and has a front side configured for displaying text and/or graphics information to customers. The front module has a planar light guide plate to which a light source is associated so that light from the light source is coupled into the light guide plate, wherein the light guide plate is configured to provide a back-lighting for the text and/or graphics information to be displayed on the front side of the front module.
Gesa Form + Funktion Displaybau Gmbh
03/12/15
20150070627

Backlight module and liquid crystal display


A backlight module and a liquid crystal display are described. The backlight module includes a light guide plate, a light source and a prism sheet.
Radiant Opto-electronics Corporation
03/12/15
20150070593

Lighting device, display device and television device


A backlight device includes a light guide plate, a first light source, a second light source, and a positioning portion. The light guide plate has at least one end surface as a light entrance surface and one plate surface as a light exit surface.
Sharp Kabushiki Kaisha
03/12/15
20150070327

Optical touch panel and touchscreen


An optical touch panel including a light guide plate, at least one light-emitting element and a plurality of optical sensing elements and a touchscreen using the same are provided. The light guide plate has a plurality of lateral surfaces, a top surface, a bottom surface and a light extraction structure.
Wintek Corporation


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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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