Follow us on Twitter
twitter icon@FreshPatents

Light Guide Plate patents

Bulk PDF Downloads
      

This page is updated frequently with new Light Guide Plate-related patent applications.




 Illumination device, display device, and television reception device patent thumbnailIllumination device, display device, and television reception device
An illumination device includes: a light source; a light guide plate, at least one side face thereof being a light-entering face where light from the light source enters and one surface thereof being a light-exiting surface where light from the light source exits; and a frame-shaped member having a frame shape and including a pressing portion extending inwardly in a plan view and pressing an edge of the light-exiting surface of the light guide plate from above in a side view, an end face of the pressing portion facing inwardly and being exposed to the light-exiting surface thereunder, wherein at least part of the end face of the pressing portion has light-reflecting characteristics and has an inclined surface directed towards the light-exiting surface.. .
Sharp Kabushiki Kaisha


 Backlight module and liquid crystal display device patent thumbnailBacklight module and liquid crystal display device
The invention discloses a backlight module. The backlight module includes a light guide plate having an incident side; a mounting bracket including a vertical portion and a horizontal portion, wherein the vertical portion is opposite to the incident side, a gap exists between the vertical portion and the incident side, the vertical portion has a plurality of mounting holes, and the mounting holes pass through the vertical portion and the horizontal portion, thereby forming a plurality of grooves on the horizontal portion; a plurality of optical fibers, wherein the optical fibers are respectively disposed in the grooves and the mounting holes, emitting end faces of the optical fibers are attached to the incident side, and the optical fibers are used for guiding the ambient light into the light guide plate; and a plurality of slide assemblies, wherein the slide assemblies are respectively put around the optical fibers and fixed on the optical fibers, and the sliding assemblies are respectively disposed in the grooves and able to move with expansion or contraction of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


 Liquid crystal display device and curved backlight assembly thereof patent thumbnailLiquid crystal display device and curved backlight assembly thereof
A curved backlight assembly includes a light source, a curved light guide plate (lgp), a heat-dissipating plate, a supporting plate and a connecting member. The light source is abutted with the curved lgp.
Shenzhen China Star Optoelectonics Technology Co., Ltd.


 Edge type backlight module and liquid crystal display device patent thumbnailEdge type backlight module and liquid crystal display device
The invention discloses an edge type backlight module. The edge type backlight module includes: a back frame having at least one sidewall and at least one bottom plate; a light guide plate disposed on the bottom plate and having a light incident side surface, wherein the light incident side surface is opposite to the sidewall; and a plurality of first backlight sources and a plurality of second backlight sources, wherein the first backlight sources are disposed on the sidewall, the second backlight sources are disposed on the bottom plate and against the sidewall, the first backlight sources and the second backlight sources are alternately disposed, the first backlight sources include a plurality of first led lamps, and the second backlight sources include a plurality of second led lamps.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


 Display apparatus and  manufacturing the display apparatus patent thumbnailDisplay apparatus and manufacturing the display apparatus
Provided is a display apparatus, in which a liquid crystal panel and a light guide plate 3 included in a backlight is integrated with a space held by the spacers 5, an optical sheet laminate 4 is arranged in the space between the liquid crystal panel and the light guide plate 3, being positioned by sheet positioning members 6a, and an end of the optical sheet laminate 4 is arranged between a liquid crystal panel attaching portion 52 of the spacer 5 and the light guide plate 3, so that a region exclusively occupied by the optical sheet laminate 4 on the light guide plate 3 is small, allowing a slim bezel of the display apparatus. Also provided is a method of manufacturing the display apparatus, including a first process in which the sheet positioning members 6a are attached on four corners of the light guide plate 3, a second process in which the optical sheet laminate 4 is placed on the light guide plate 3, a third process in which the spacers 5 are attached between the sheet positioning members 6a, and a fourth process in which the liquid crystal panel is attached to the spacers 5..
Sakai Display Products Corporation


 Display device and mobile terminal patent thumbnailDisplay device and mobile terminal
A display device including a liquid crystal panel configured to selectively transmit light for each pixel of the liquid crystal panel; a light guide plate provided behind the liquid crystal panel; a light source array including a plurality of leds arranged in a row at first lateral side of the light guide plate, and configured to emit light to the first lateral side of the light guide plate; and a mirror provided in a second lateral side of the light guide plate and configured to reflect the light having reached the second lateral side back along the light guide plate. Further, a rear surface of the light guide plate includes a stepped unevenness having first surfaces configured to reflect light toward the liquid crystal panel and second surfaces configured to reflect light toward the mirror, and a thickness of the light guide plate increases in a first direction from the first lateral side to the second lateral side such that the second lateral side of the light guide plate is thicker than the first lateral side of the light guide plate..
Lg Electronics Inc.


 Display panel and mobile terminal patent thumbnailDisplay panel and mobile terminal
A display panel comprising a light guide plate; a main light source configured to emit light from a first lateral surface of the light guide plate in a first direction; a sub-light source configured to emit light from a second lateral surface vertical to the first lateral surface of the light guide plate in a second direction perpendicular to the first direction; and a liquid crystal panel provided in a front surface of the light guide plate and configured to output image information.. .
Lg Electronics Inc.


 Display apparatus patent thumbnailDisplay apparatus
The present invention provides a display apparatus capable of reliably mounting at least one of a holding member and a bezel to a holding plate with no damage to a light emitting element mounting substrate by a simple structure without providing a mounting member, and coping with an increase in an area of a driving circuit board disposed to the holding member. The display module of a tv receiving apparatus includes a light guide plate, a holding plate which holds a substrate having a plurality of leds, and is disposed to face a side surface of the light guide plate, a display panel disposed to face a main surface of the light guide plate, a holding member which covers the holding plate and holds the display panel, and a bezel which covers a peripheral edge part of the display panel and the holding member.
Sakai Display Products Corporation


 Display apparatus and  manufacturing the display apparatus patent thumbnailDisplay apparatus and manufacturing the display apparatus
An example display apparatus, comprising a display panel with one surface on which an image is displayed, a light guide plate disposed to face the other surface of the display panel, an optical sheet interposed between the display panel and the light guide plate, and a spacer which is sandwiched between the display panel and the light guide plate to secure a space for the optical sheet, wherein the spacer is adhered to the light guide plate and the display panel.. .
Sakai Displays Products Corporation


 Liquid crystal display device and backlight module thereof patent thumbnailLiquid crystal display device and backlight module thereof
A liquid crystal display device and a backlight module are provided. An optical film set of the backlight module includes at least one lug portion including an inverted hook portion and an extension portion which as an entirety extend from an edge of the optical film set toward a plastic frame.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Backlight module and display device


The present disclosure provides a backlight module and a display device. The backlight module includes a light source and a light guide plate.
Boe Technology Group Co., Ltd.


Display device and portable electronic apparatus


A display device includes a reflective display panel and an illumination device (a front light). In the illumination device, a side surface on an opposite side of a light guide plate to a light source is a curved section, and an end surface of the curved section is a tapered surface.
Seiko Epson Corporation


Illuminating device, display device, and portable electronic device


An illuminating device includes a light emitting element constituted of a light emitting diode, and a light guide plate including a light receiving section provided on a side face and opposed to the light emitting element. The light guide plate emits illuminating light from a first surface.
Seiko Epson Corporation


Backlight module and display device


Disclosed is a backlight module, which includes: a light guide plate having a light incident surface; a light source disposed as facing to the light incident surface and configured for emitting a first wave-band light. The backlight module further includes: a quantum film disposed between the light source and the light guide plate.
Boe Technology Group Co., Ltd.


Backlight unit and display device


A backlight module and a display device. The backlight unit includes a light guide plate, a light emitting diode located at a light incident side of the light guide plate, and an optical lens disposed between a light emergent side of the light emitting diode and the light incident side of the light guide plate; a first surface of the optical lens close to the light emitting diode has the shape of sawtooth.
Boe Technology Group Co., Ltd.


Vehicle lamp


A vehicle lamp includes two light guide plates, and at least one light emitting module. Each light guide plate has two side surfaces opposite to each other in a thickness direction, and a light input surface and a light output surface interconnecting the side surfaces.
T.y.c. Brother Industrial Co., Ltd.


Backlight module for liquid crystal display and liquid crystal display device


A backlight module for liquid crystal display device and a liquid crystal display device are disclosed. The backlight module comprises a light source circuit and a light guide plate, wherein said light source circuit comprises a control circuit and a plurality of light-emitting units, which are arranged on a lateral surface of said light guide plate and connected with said control circuit, each light-emitting unit being activated or deactivated by said control circuit; and wherein said light guide plate is used for guiding light which enters from the lateral surface, so that the light exits from a front surface.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Liquid crystal display


Related to is a liquid crystal display device, comprising: a liquid crystal display panel; a backlight module including a light guide plate having a light-emitting element, an optical diaphragm group, and a reflective plate; a glass cover covering the liquid crystal display panel and the backlight module, wherein an inner surface of the side wall of the glass cover is in contact with two side portions of the liquid crystal display panel, and two side portions of the backlight module; and a first positioning strip and a second positioning strip, respectively arranged at a top end and a bottom end of the backlight module and are both capable of being engaged with the side wall of the glass cover.. .
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Illumination device and display device


Provided are an illumination device and a display device capable of even illumination. A positioning recess provided in a light guide plate and a peripheral portion of the recess are covered by a cover from one surface side of the light guide plate.
Sakai Display Products Corporation


Method for manufacturing light guide plate


Related to is a method for manufacturing a light guide plate, comprising the steps of: fabricating, on a smooth surface of a mould, a mould insert used to form optical dots of a light guide plate; coating, on the smooth surface having the mould insert, photoresist, to form a photoresist layer; exposing the photoresist layer, to form the light guide plate; and releasing the light guide plate from the mould. The method can be used to manufacture thin light guide plates, thereby improving ductility of the light guide plates, and reinforcing bending properties thereof, so as to promote development of flexible liquid crystal display screens..
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Display device


A display device includes a display panel, a light guide plate, a first light source and a second light source. The display panel is provided with a plurality of pixel units arranged in an array, the light guide plate includes a first reflection structure and a second reflection structure.
Beijing Boe Display Technology Co., Ltd.


Liquid crystal display device


The present invention provides a liquid crystal display device, which includes a liquid crystal panel (1) and a collimated exit light backlight module (3). The liquid crystal panel (1) includes a cf substrate (11), an array substrate (13), and a liquid crystal layer (12).
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Backlight device and display apparatus


A backlight device comprising a light source, a light guide plate with a side surface receiving light entering from the light source and with one surface emitting light, a frame body surrounding the light source and an edge of the light guide plate, and an optical sheet placed at a region facing the one surface, wherein the frame body has a first covering part covering, at a side proximal to the light source, an edge of the one surface, the optical sheet is placed on the first covering part at the side proximal to the light source, and is placed at least partly on the one surface at a side where the light source is not provided, a support body for support of the light guide plate is arranged between the light guide plate and a bottom plate of the frame body, and the first covering part holds the light guide plate between the first covering part and the support body.. .
Sakai Display Products Corporation


Light guide plate, backlight module, and liquid crystal display device


The present invention provide a light guide plate and it includes an incident light surface for receiving a light beam projected therein, and a light exiting surface for directing the light beam out of the light guide plate, and a bottom surface opposite to the incident slight surface, wherein the incident light surface is perpendicular to the light exiting surface, and the light exiting surface is provided with a plurality of grooves, wherein the light guide plate further comprises a pair of side surfaces arranged on both sides of the light exiting surface, and the side surfaces are perpendicular to the incident light surface, wherein a longitudinal direction of the side surfaces is same as a direction of the grooves, and a distance between the side surfaces and the bottom surface is smaller than a distance between the light exiting surface and the bottom surface. The present invention further provides a backlight module and a liquid crystal display device incorporated with such a light guide plate..
Shenzhen China Star Optoelectronics Technology Co. Ltd.


Liquid crystal display apparatus having a light guide plate with optical patterns to prevent light leakage


A liquid crystal display having a display panel including first and second display regions that are different from each other, a light source supplying light to the display panel, and a light guide plate having an area which is divided into a first region corresponding to the first display region and a second region corresponding to the second display region, the light guide plate allowing light incident from the light source to progress toward, wherein each of the first and second regions includes a light incident surface through which the light is incident, a light emitting surface through which the light successively incident from the light incident surface emits, and a rear surface opposed to the light emitting surface. The light emitting surface of the first region includes a plurality of first optical patterns refracting the light emitted by the light source to prevent light leakage from the first region onto the second display region..
Samsung Display Co., Ltd.


Light guide plate, backlight module of liquid crystal display panel, and device for manufacturing light guide plate


Disclosed are a light guide plate, a backlight module of a liquid crystal display device, and a device for manufacturing the light guide plate. The light guide plate comprises a first surface and a second surface parallel with each other, wherein the first surface is formed with parallel columnar projections, and the second surface is formed with light guide ports.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Backlight module, display panel and display device


A backlight module, a display panel and a display device are provided, and the backlight module includes a sealant frame (1), a reflecting plate (2) which is provided within the sealant frame (1) and has a reflective surface (21), and a light guide plate (3) which is arranged on the reflecting plate (2) and has a light exit surface (31) and a light transmission surface (32) opposite to each other as well as a light entrance surface (33) connecting the light exit surface (31) and the light transmission surface (32); and an end, where the light entrance surface (33) is located, of the light guide plate (3) is provided with at least one lap joint portion (34) arranged, in a lap joint manner, on the sealant frame (1) and extending toward the sealant frame (1) that the end faces, and the light transmission surface (32) and the reflective surface (21) of the reflecting plate (2) form a gap layer 4 therebetween. The backlight module can avoid the problems of newton rings occurred between the light guide plate (3) and the reflecting plate (2) and the occurrence of wavy warpage of the reflecting plate (2) under a high temperature..
Boe Optical Science And Technology Co., Ltd.


Backlight module and liquid crystal display device


The present invention provides a backlight module, which comprises a back board, a light guide plate, a light source, a middle frame and a quantum bar; wherein the light guide plate is disposed between the back board and the middle frame, which comprises the incident light side and the light emitting side, the incident light side is close to the light source, which is provided with a groove of which the opening faces to the middle frame; the quantum bar accommodates in the cavity of the groove, one end of which abut with the bottom of the inner wall of groove; the middle frame cover is disposed on the light guide plate and the light source, one side of which facing to the back board is provide with a first buffer block abutting on the other end of the quantum bar. The present invention also provides a liquid crystal display device.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Illumination device and display apparatus


An illumination device according to one embodiment of the present invention comprises a light guide plate configured to emit light from inside through one surface of the light guide plate and a light source disposed to face a peripheral surface of the light guide plate. In the display apparatus, during non-light emitting of the light source, for distance s between the light source and the peripheral surface, a distance between a middle part of the light source in a peripheral edge direction of the light guide plate and a portion in the peripheral surface corresponding to the middle part is the longest..
Sakai Display Products Corporation


Liquid crystal module and lcd


A liquid crystal module includes a back bezel (1), a side-in backlight source (3), a light guide plate (2) having a light-in side opposite to the side-in backlight source (3), a quantum bar (5) between the side-in backlight source (3) and the light guide plate (2), a first support (6) having first windows (60) on top, and a second support (7) having second windows (70) on top. The quantum bar (5) is placed in a room formed by the first support (6) and the second support (7).
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Glass plate, light guide plate unit, planar light-emitting device, and liquid crystal display device


A glass plate consisting of multicomponent oxide glass, which has an effective optical path length of from 25 to 200 cm, a thickness of from 0.5 to 10 mm, and an average internal transmittance in the visible region of at least 80% and a chromaticity y of tristimulus values in the xyz colorimetric system as defined in jis z8701 (appendix) of at least 90%, under the effective optical path length.. .

Light guide plate ,light source module and display device


A light guide plate and a light source module are provided. Light guide plate includes a main body and microstructures disposed on the main body.
Radiant Opto-electronics Corporation


Light guide plate and led lamp


The present invention discloses an led lamp comprising a light guide plate. The lamp comprises a mounting seat, an led lamp panel and at least one light guide substrate, wherein the light guide substrate is provided with an incident side wall corresponding to the led light-emitting unit, and the light guide substrate is at least provided with a side wall intersecting the incident side wall, which has one or more continuous or discontinuous diffuse reflection points.
The Newish Product Ltd.


Light guide plate, backlight unit comprising same, liquid crystal display device and optical sheet


The light guide plate includes a light exit surface from which light incident from an end surface exits, and a back surface facing the light exit surface, in which the light guide plate includes a plurality of diffuse reflection patterns containing an inorganic material on the back surface, arid a quantum dot exists on at least one surface selected from a group consisting of at least the light exit surface, the back surface, and the end surface in the shape of a pattern.. .
Fujifilm Corporation


Display device


A display device includes a first light source module, a display panel and a transparent filling. The first light source module includes at least one first light source and a first light guide plate (lgp).
E Ink Holdings Inc.


Planar light source device and liquid crystal display apparatus


A planar light source device includes at least a light guide plate and a lamp unit disposed replaceably at a side surface of the plate. The lamp unit includes: a lamp holder having a shape where a surface facing the side surface of the light guide plate is opened; an led mounted on a flexible cable, the cable fixed on an inner surface of the lamp holder; and a shielding sheet fixed on an outer surface of the lamp holder.
Nlt Technologies, Ltd.


Lighting device and display apparatus


A lighting device, comprising a light guide plate being housed in a casing with an opening and having one surface facing the opening, and a light source placed to face a side surface of the light guide plate, and emitting, from the one surface of the light guide plate, light emitted from the light source and entering the light guide plate through the side surface, comprising a frame body covering an edge of the one surface of the light guide plate from a side of the one surface, wherein the frame body has a rib facing at least a part of a side surface of the light guide plate, except for a side surface at a side proximal to the light source, and extending toward a bottom surface of the casing, and the rib is configured to be capable of being bent by pressing force from the light guide plate.. .
Sakai Display Products Corporation


Light source module and display apparatus


A light source module includes a substrate on which a light source is mounted, a light guide plate emitting light from one surface of the light guide plate, the light having entered the light guide plate through an end surface of the light guide plate, a frame body covering a periphery of the light guide plate, and a fixing element fixing the substrate to the frame body in a state where the substrate is put between the frame body and the fixing element, wherein the light source includes a plurality of leds arranged side by side along the end surface, and the fixing element is engaged with the frame body and includes a positioning part positioning the light guide plate in a direction along which the plurality of leds are arranged side by side.. .
Sakai Display Products Corporation


Backlight unit and a display apparatus including the same


A display apparatus includes a display panel which receives light to display an image. A light guide plate guides the light toward the display panel.
Samsung Display Co., Ltd.


Display assembly and display apparatus using the same


The display assembly includes: a light source configured to emit light; a light guide plate disposed to receive light emitted from the light source on a lateral side; and a color transformer disposed proximate to an edge of the light guide plate, and configured to change a color of light incident to the color transformer.. .
Samsung Electronics Co., Ltd.


Illumination device and display apparatus


An illumination device according to one embodiment of the present invention comprises a light guide plate configured to emit light from inside through one surface of the light guide plate, a light source disposed to face a peripheral surface of the light guide plate, and a reflection sheet which is provided at a region face to the other surface of the light guide plate, which is opposite to the one surface, to reflect the light emitted by the light source toward the light guide plate. For distances between the light source and a peripheral edge part of the reflection sheet, a distance between a middle part of the light source in a peripheral edge direction of the light guide plate and a portion in the peripheral edge part of the reflection sheet corresponding to the middle part is the longest..
Sakai Display Products Corporation


Liquid crystal display device


Disclosed herein is a liquid crystal display device having a thin thickness and a reduced size of a bezel. According to an exemplary embodiment, the liquid crystal display device includes: a liquid crystal display panel including a display area and a non-display area enclosing the display area; a light guide plate disposed under the liquid crystal display panel and having a polygonal plane shape including a first side, a second side, a third side, and a fourth side; and a light source adjacent to the first side of the light guide plate, wherein at least one of the second side, the third side, and the fourth side of the light guide plate overlaps the display area..
Samsung Display Co., Ltd.


Backlight unit and display device including the same


A backlight unit that allows a slimmer design for a display device is presented. The backlight unit includes: a bottom chassis; a bracket accommodated in the bottom chassis and positioned at an edge of the bottom chassis; a light source unit including a substrate fixedly positioned on the bracket and a light source mounted on the substrate, the light source protruding toward a bottom of the bottom chassis; and a light guide plate disposed in the bottom chassis and transmitting light from the light source..
Samsung Display Co., Ltd.


Display apparatus


Disclosed herein is a display apparatus having a quantum dot sheet to change color by converting the wavelength of blue lights, a middle mold having a middle supporting unit to support a front edge unit of a light guide plate, and a supplement member coupled to the middle supporting unit and configured to reflect the light radiated from the a source to prevent the light that is radiated from the light source from exiting through the gap between the light guide plate and the middle supporting unit, and thus the generation of bright line may be minimized and heat radiation performance may be enhanced.. .
Samsung Electronics Co., Ltd.


Apparatus for display systems


Apparatus for use in display systems are disclosed. In certain implementations, a display apparatus includes a light guide plate for use in a liquid crystal display backlight system.
Dolby Laboratories Licensing Corporation


Front light module and display module


A front light module including a light guide plate and a light source is provided. The light guide plate includes a first surface, a second surface and a light entering surface.
E Ink Holdings Inc.


Display module of liquid crystal display and mobile terminal


The disclosure discloses a display component of a liquid crystal display (lcd), wherein the display component is assembled with a mainboard of a mobile terminal for use. The display component includes: a rubber frame, arranged on an lcd; an adhesion material, arranged in the rubber frame; a lamp strip of which two sides are provided with light emitting diode (led) lamps, a circuit for controlling the led lamps and a conductor for connecting the circuit with the mainboard of the mobile terminal being further arranged on the lamp strip; and a light guide plate, arranged between the led lamps in the rubber frame.
Zte Corporation


Information acquisition apparatus


An biological body information acquisition apparatus includes an imager including light emitting devices that are arranged in a plane and emit light toward a human body and light receiving devices that are arranged in a plane and receive light from the human body and a light guide plate that is layered on the imager on the side thereof facing the human body and has light transmissivity in the direction of a normal to the light receiving devices and the light emitting devices. The light guide has a first portion (holes) and a second portion (substrate) that are arranged in a plane and have refractive indices different from each other.
Seiko Epson Corporation


Planar lighting device


A planar lighting device includes: a plurality of point light sources; a circuit board provided with the point light sources; a light guide plate including an end surface along which the point light sources are disposed in a facing manner and a surface to which a portion of a front end of the circuit board is fixed; and a fixing member that fixes the circuit board to the light guide plate. The fixing member includes: a plurality of small-piece double-sided adhesive members; and a single-sided adhesive member that integrates the plurality of small-piece double-sided adhesive members..
Minebea Co., Ltd.


2d/3d switchable backlight unit and image display apparatus using the same


A two-dimensional (2d)/three-dimensional (3d) switchable backlight unit and an image display apparatus using the 2d/3d switchable backlight unit are provided. The 2d/3d switchable backlight unit includes: a light source unit; a first light guide plate, within which light from the light source unit is totally internally reflected; and a plurality of refraction patterns, each having a trapezoidal form.
Samsung Electronics Co., Ltd.


Backlight module and display device


A backlight module and a display device are provided. The backlight module comprises a light guide plate, a sealant frame enclosing edges of the light guide plate, and a light source disposed at an end of the light guide plate.
Boe Optical Science And Technology Co., Ltd.


Display device and television device


A display device includes a light source, a light guide plate, a chassis, a display panel, a flexible circuit board, a signal transmission circuit board, and a first heat dissipation member. The chassis includes a bottom plate that includes a light source supporting portion and a light guide plate supporting portion.
Sharp Kabushiki Kaisha


Display apparatus


Provided is a display apparatus including a display panel displaying an image, a light source generating light, a light guide plate receiving the light from the light source to guide the light to the display panel, and a heat dissipation member disposed adjacent to a side surface of the light guide plate, wherein the heat dissipation member includes an insertion part passing through the heat dissipation member to accommodate the light source and provide the light generated from the light source to the light guide plate.. .
Samsung Display Co., Ltd.


Display device and backlight unit included therein


A display device includes a light source to emit light, a light guide plate on which the light emitted from the light source is incident and which irradiates light through a first and a second surface of the light guide plate, a quantum dot sheet on which the light irradiated through the first surface of the light guide plate is incident and which irradiates blue light, green light and red light, a reflective sheet for reflecting the irradiated light to the light guide plate, and a light-converting material at an edge portion of the light guide plate, the quantum dot sheet and the reflective sheet, for converting the light into a yellow light, green light or red light. The light incident on the quantum dot sheet includes the light emitted from the light source and the yellow light, the green light or the red light..
Samsung Electronics Co., Ltd.


Light source device and display apparatus


A light source device including a light guide plate which has notches formed at edge parts thereof and emits light from one surface thereof, the light having entered a side face of the light guide plate, and a reflection sheet member which is disposed to face the light guide plate and has concave parts corresponding to the notches at edge parts thereof is disclosed. And the light source device is provided with edge part frame members on the edge part side of the one surface of the light guide plate at an interval in an emitting direction of light from the one surface, and the entirety of light amount at the edge parts of the light guide plate is increased by reflecting the light emitted from the edge parts of the one surface of the light guide plate to the one surface..
Sakai Display Products Corporation


Mobile terminal


A mobile terminal disclosed herein includes a window on one surface of a terminal body and configured to be curved, and a liquid crystal display (lcd) on a rear surface of the window to output visual information, and curved by external force. The liquid crystal display includes a liquid crystal panel to generate an image using light from a light guide plate, at least one prism sheet disposed between the light guide plate and the liquid crystal panel, and a supporting member accommodating the light guide plate and the prism sheet and supporting the liquid crystal panel.
Lg Electronics Inc.


Display device


A display device includes a display panel including a light source area and a display area and including a base substrate having an upper surface facing a first direction, a panel light source part disposed on the upper surface corresponding to the light source area to emit a light to a second direction opposite to the first direction, and a display part disposed on the upper surface corresponding to the display area and a light guide plate disposed adjacent to the display panel in the second direction, receiving the light, and guiding the light to provide the light to the display area, and the display part displays an image using the light received from the light guide plate.. .
Samsung Display Co., Ltd.


Transparent display apparatus


A transparent display apparatus including a backlight module, a display panel, and a switching panel is provided. The backlight module includes a light source and a light guide plate (lgp).
Chunghwa Picture Tubes, Ltd.


Lighting device and display apparatus


Provided are a lighting device having improved workability of a loading operation of an optical sheet in the lighting device whose error of members is large, and a display apparatus including the lighting device. A lighting device, which includes a light guide plate 11, an optical sheet 15 configured to diffuse or collect light emitted from the light guide plate 11, and a housing part 13 in which the light guide plate 11 and the optical sheet 15 are laminated and housed, includes a plurality of holding parts (optical sheet holding parts 134) which are provided in the housing part (a back housing part 13) to support the optical sheet 15 in the housing part, wherein the optical sheet 15 has a plurality of hole parts (through holes 151b) formed therein corresponding to the holding parts, in which the holding parts penetrate, and cross sections of the plurality of holding parts parallel to the optical sheet 15 have areas smaller than the cross-sectional areas of the hole parts, and a difference between the cross-sectional areas of the hole parts and the areas of the cross sections of the holding parts is not constant..
Sakai Display Products Corporation


Display module with optically functional film and manufacturing thereof


A display module with an optically functional film includes two polarizers, a display panel, an optically functional film, a lighting component, a light guide plate, and a reflector. The optically functional film includes a first transformation layer, a second transformation layer, a diffusion layer, a brightness enhancement layer, and a polarized layer, and each layer of the optically functional film is attached to each other by transfer-coating.
Rayshine Photonics Corp.


Display module and display apparatus having the same


A display module and a display apparatus having the display module are provided. The display module includes a light guide plate which turns a path of generated light and emits the light through an emitting surface, a quantum dot (qd) sheet provided to correspond to the emitting surface to improve color reproducibility of the light emitted from the light guide plate, and at least one guide member which is fixed inside of a chassis and supports the light guide plate and the qd sheet.
Samsung Electronics Co., Ltd.


Light source device and display apparatus


A light source device which includes a reflection sheet suspended by protrusions which penetrate plural places of an outer peripheral edge part of the reflection sheet, and a light guide plate disposed to face the reflection sheet is provided. And the light guide plate has notches formed at positions corresponding to the protrusions of an edge part corresponding to the outer peripheral edge part of the reflection sheet.
Sakai Display Products Corporation


Planar lighting device


A planar lighting device includes: a light guide plate; a plurality of light sources arranged in line along a longitudinal direction of a side end surface of the light guide plate, each of light sources including a pair of electrode terminals; and a mounting substrate on which the light sources are mounted, the mounting substrate including a conductive pattern including a plurality of pairs of lands to which the respective pairs of electrode terminals of the light sources are connected. The light sources are mounted such that, in a longitudinal direction of the light sources, a gap between an outer side of each of the pairs of electrode terminals and an outer side of corresponding one of the pairs of lands is smaller than a gap between an inner side of the pair of electrode terminals and an inner side of the corresponding pair of lands..
Minebea Co., Ltd.


Backlight source and display apparatus comprising the same


The present disclosure provides a backlight source and a display apparatus. The backlight source comprises: a light guide plate and an adhesive frame.
Boe Optical Science And Technology Co., Ltd.


Direct back-lit light guide structure, light guide plate and back-lit module


A direct back-lit light guide structure is applied to a light guide plate and a back-lit module. The light guide plate has a light-ejection surface and a light-inject surface opposite to the light-ejection surface.
Entire Technology Co., Ltd.


Backlight module and display device


Disclosed are a backlight module and a display device. The display device includes a liquid crystal panel.

Lighting systems & devices including same


A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (led) and one or more phosphors optically coupled to the led to convert at least a portion of original light emitted by the led to provide a modified led light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified led light and to convert at least a portion of the modified led light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle.
Qd Vision, Inc.


Wall-mount aroma diffusing night lamp assembly


A wall-mount aroma-diffusing night lamp assembly includes an electrical plug angularly adjustably connected to a housing, a heating element electrically connected to the electrical plug, a heat transfer member kept in contact with the heating element, a light-emitting device, a retaining device fastened to the housing, and a light guide plate detachably connected to the retaining device around a part of the periphery of the housing a uniform glowing effect during operation of the light-emitting device, and a disposable aroma capsule placed on the heat transfer member and heatable to release a pleasant smell.. .

Backlight module and display device


The disclosure is related to a backlight module and a display device. The backlight module comprises a light guide plate, a first light bar, a second light bar and a plurality of first blockers.

Optical unit and display apparatus


Provided is an optical unit which includes a light guide plate configured to emit light made incident thereon through a light incident side surface from one surface thereof, and a reflection sheet disposed to face the light guide plate, wherein the reflection sheet has a projection piece which protrudes with respect to a surface of the reflection sheet on one edge thereof. The projection piece is held with being in surface contact with any one side surface of the light guide plate, thereby the reflection sheet is held so as to face the light guide plate..

Liquid crystal display device and manufacturing lgp positioning block thereof


The present invention provides a liquid crystal display device and a method for manufacturing a light guide plate (lgp) positioning block thereof. The lgp positioning block (9) of the liquid crystal display device includes a positioning block body (91) and liquid (93) hermetically sealed in the positioning block body (91).

Backlight module and display device


A backlight module includes a mold frame, a light guide plate, a light bar light source, and an optic film. The light guide plate, the light source, and the optic film are disposed in the mold frame.

Light guide plate and manufacturing the same


A light guide plate and a method for manufacturing the same are disclosed. The light guide plate is injection-molded from an aromatic polycarbonate resin having a weight average molecular weight of about 10,000 g/mol to about 15,000 g/mol and an alkali metal content of about 40 ppb to about 100 ppb.

Display apparatus


A display apparatus includes a display panel displaying an image using light; a light source generating first light; a light conversion member converting the first light into the light; a case member accommodating the light source and the light conversion member and including an open part to transmit the light which is converted by the light conversion member; and a light guide plate receiving the light through the open part and guiding the light to a upward direction where the display panel is disposed.. .

Display device


Provided is a display device, which includes a light source, a light guide plate, a light conversion member, and a display panel. Light is incident to the light guide plate from the light source.

An ultrathin planar light source apparatus


The disclosure is related to an ultrathin planar light source apparatus, comprising a led light source and a light guide plate; the led light source comprises a light emitting chip which is disposed opposite to a light incident side of the light guide plate; a polarizer parallel to the light guide plate and disposed between the light emitting chip and the light guide plate; the polarizer projects the light emitted from the light emitting chip toward the light guide plate. The disclosure controls the light emitted from the led light source well to deflect within a certain range of angles such that the light completely enter into the light guide plate without increasing the thickness of the light guide plate..

Light source device and display apparatus


Provided are: a light source device capable of preventing light from a light source disposed to face an end surface of a light guide plate from leaking to a side in which the light guide plate emits the light without providing a new member; and a display apparatus including the light source device. A light source unit 2 is disposed to face an end surface of a light guide plate 3, and a heat spreader supporting the light source unit 2 has a shape of covering the light source unit 2.

Display device


A display device includes: a transparent light guide plate (1) and a light source (3) located at a side of the transparent light guide plate, the light source (3) is arranged to be inclined toward a side of the transparent light guide plate (1) away from its emitting surface (12). A side of the transparent light guide plate (1) facing the light source is an incident slant surface (11) having the same inclined angle as that of the light source (3).

Backlight module and liquid crystal display device


A backlight module and a liquid crystal display device, the backlight module comprises a back plate (101) and a fixing frame (102) firmly connected with the back plate (101), and further comprises a light guide plate (106); the fixing frame (102) is provided with a protrusion (111) extending towards an inner side of the backlight module, the light guide plate (106) extends into a region under the protrusion (111) of the fixing frame (102) and is pressed by the protrusion (111); the light guide plate (106) is provided with a lamp fixing hole (112) configured to fix a lamp. A liquid crystal display device comprising the backlight module is further disclosed..

Polycarbonate resin pellets and light guide plate produced using the same


Polycarbonate resin pellets are disclosed herein. The polycarbonate resin pellets are formed of a polycarbonate resin composition having a melt-flow index (mi) of about 15 g/10 min to about 40 g/10 min as measured at about 250° c.

Method and equipment for manufacturing light guide plate


In a backlight module, a diffusive structure and a prism structure are replaced by a diffusive prism film formed on a substrate and transferred via in-mold decoration by roller (imr) to a light guide body via injection molding. A reflection film is also transferred to an opposite side of the light guide body via the same way.

Method of promoting brightness uniformity of liquid crystal module


The present invention provides a method of promoting brightness uniformity of a liquid crystal module, comprising steps of: step 1, employing ccd to measure a transmittance distribution of a liquid crystal panel; step 2, calculating an ideal relative brightness distribution of a back light module according to the transmittance distribution of the liquid crystal panel; step 3, manufacturing and optimizing a light guide plate mesh dots structure of the back light module according to the ideal relative brightness distribution of the back light module.. .

Display device


A display device includes a display panel; a light source supplying light to the display panel; a lower frame on which the light source and the display panel are disposed; a light guide plate disposed between the lower frame and the display panel and dissipating light emitted from the light source toward the display panel; an optical sheet disposed between the light guide plate and the display panel; and an adhesive member having one surface attached to the display panel and the other surface attached to the optical sheet, wherein the adhesive member includes a base portion disposed between the optical sheet and the display panel; and a protrusion portion protruding on a surface of the base portion and disposed on a side surface of the optical sheet.. .

Display backlight with patterned backlight extraction ridges


A display may have a backlight unit with a row of light-emitting diodes that emit light into the edge of a light guide plate. The light guide plate may have opposing upper and lower surfaces.

One-sided emission type transparent light guide plate, and surface-emitting apparatus using this light guide plate


A light guide plate according to an embodiment includes an exit surface where light exits, a rear surface facing this exit surface, and an end face connecting the exit surface and the rear surface. The light guide plate is transparent when no light is entering from the end face.

Lighting device and display apparatus


A lighting device used as a backlight of a display apparatus includes multiple light guide plates, and a light source located near an entrance edge of each light guide plate to emit light. A gap is provided between the light guide plates, and the position of the entrance edge is fixed among the edges of the light guide plate.
Sakai Display Products Corporation


Backlight unit and liquid crystal display device including the same


Provided is a backlight unit in which a light blocking film is attached between a reflective sheet and a circuit board of a light source unit to shield a space between the reflective sheet and the circuit board, thus suppressing the reflective sheet from being stripped and minimizing light leakage. The backlight unit includes the light source unit, a light guide plate, the reflective sheet, and the light blocking film..
Lg Display Co., Ltd.


Light guide plate and the production thereof


Light guide plates, e.g. In backlight units (blus) or in light panels, have maximum uniformity of thickness and are composed of colourless transparent materials.

Display apparatus and manufacturing the same


A display apparatus according to an embodiment of the inventive concept may include a display panel, a light guide panel, and the light source. The light guide plate may include a light guide portion, a barrier rib portion, a wavelength conversion portion, and a cover portion.
Samsung Display Co., Ltd.


Display device


A display device includes a display panel receiving light and displaying an image, a light guide plate guiding the light to the display panel, a printed circuit board disposed adjacent to one side of the light guide plate and including first and second areas alternately defined therein, light sources mounted on the printed circuit board to correspond to the first area and to supply the light to the light guide plate, a first barrier wall disposed on the printed circuit board and extending in a direction in which the light sources are arranged, and a second barrier wall facing the first barrier wall such that the light sources are disposed between the first and second barrier walls, the second barrier wall disposed on the printed circuit board, and extending in the direction.. .
Samsung Display Co., Ltd.


Reflection sheet, light source device and display apparatus


Provided are a reflection sheet which is capable of, when light sources, and the like are disposed on one side surface side of a light guide plate, preventing the reflection sheet from coming into contact with the light sources, and the like at a central part of the one edge thereof, and a light source device and a display apparatus. A reflection sheet which is oppositely disposed to the other surface of a light guide plate for emitting light made incident on one side surface from one surface thereof, and reflects the light made incident on the light guide plate to the one surface side of the light guide plate, includes a cutout part provided at a central part of one edge of four sides of the rectangular reflection sheet, and the reflection sheet is arranged so that the one edge is disposed on one side surface side of the light guide plate..
Sakai Display Products Corporation


Backlight unit and liquid crystal display device including the same


Provided are a backlight and a liquid crystal display device including the same. The backlight unit includes a light source assembly which emits light; a light guide plate which receives at a light incident surface thereof light from the light source assembly; and a bottom chassis having a bottom unit on which the light guide plate is disposed.
Samsung Display Co., Ltd.


Backlight apparatus and display apparatus having the same


Disclosed herein are a backlight apparatus and a display apparatus having a light guide plate that includes light guide patterns in a waveform shape.. .
Samsung Electronics Co., Ltd.


Refrigerator with shelf lighting


A refrigerator with shelf lighting is provided that may include a refrigerator main body having a storage room, at least one shelf provided inside of the storage room, a light source provided at a rear end of the shelf, a power supply provided at a rear of the storage room, the power supply supplying power to the light source, and a light guide plate provided at the at least one shelf. The light guide plate may guide light of the light source to a front of the shelf.
Lg Electronics Inc.


Backlight unit and liquid crystal display device including the same


Disclosed is a backlight unit and lcd device having a fixing device attached to a bottom cover and a guide panel to prevent the guide panel from shifting and detaching from the bottom cover. The backlight unit comprises a bottom cover having a bottom portion including a first hole, and a side portion having a second hole; a light guide plate on the bottom portion of the bottom cover; at least one optical sheet on the light guide plate; a guide panel adjacent the guide plate and the optical sheet; and a fixing device.
Lg Display Co., Ltd.


Display device and backlight module


A display device including a heat dissipation component, a display panel, a light guide plate, an optical film set, and a light source set is provided. The heat dissipation component has a supporting surface, a first connecting surface, and a second connecting surface.
Young Lighting Technology Inc.


Display apparatus


The present invention reduces brightness unevenness at the periphery of a non-display region in a display device that uses an edge-type backlight by means of a display device being provided with a liquid crystal panel, a light guide plate, which has the surface opposing the liquid crystal panel as the light emitting surface and one lateral surface other than the light emitting surface and the surface opposite the light emitting surface as the light incident surface, a light source unit, which opposes the light incident surface, and an opening that pierces the light guide plate from the light emitting surface to the surface opposite the light emitting surface, the configuration being such that the length (x) from the light incident surface to the center of the opening is at least ½ the length (l) from the light incident surface to the lateral surface opposite the light incident surface.. .
Sharp Kabushiki Kaisha


Display device and backlight unit included therein


A display device includes a display panel, a backlight unit outputting light to the display panel, and an optical member refracting or reflecting the light output from the backlight unit and providing the display panel with the light. The backlight unit includes a light source emitting the light, a light guide plate scattering the light emitted from the light source and irradiating the scattered light to a front surface of the backlight unit, a reflective sheet reflecting the light, which is irradiated to a rear surface of the light guide plate, to the light guide plate, a quantum dot sheet for converting the light, which is irradiated to the front surface of the light guide plate, into a white light, and a light-converting material provided on an edge portion of the reflective sheet to convert the light into the white light..
Samsung Electronics Co., Ltd.


Display apparatus


Provided is a display apparatus including a display panel, a light guide plate, a first light source unit, and a first reflective member. The display panel may receive light to display an image.
Samsung Display Co., Ltd.


Display apparatus


A display apparatus including a display panel and a backlight to supply light to the display panel is provided. The backlight includes a light guide plate to guide light to the display panel, at least one three dimensional light source disposed to face a side end of the light guide plate, a two dimensional light source disposed at a rear of the light guide plate, and at least one diffusion member disposed between the at least one three dimensional light source and the side end of the light guide plate..
Samsung Electronics Co., Ltd.


Backlight module and lcd device


The present invention proposes an lcd device having a backlight module. The backlight module includes a light guide plate, a first light source unit set up in a corner of a first light-in side of the light guide plate, and a second light source unit set up in a corner of a second light-in side of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co. Ltd.




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


  • Follow us on Twitter
    twitter icon@FreshPatents

    ###

    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.


    1.4472

    5352

    1 - 1 - 101