Follow us on Twitter
twitter icon@FreshPatents


Light Guide Plate patents

      

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




 Operation unit and electronic equipment having the same patent thumbnailOperation unit and electronic equipment having the same
An operation unit comprises a touch panel display, a home key and a power saving key. The power saving key includes an indication portion, and a first indication portion out of the indication portion has light permeability, and a color of its surface is a dark color, and a second indication portion has no light permeability or has it hardly, which is constituted by a double-layered print.
Sharp Kabushiki Kaisha


 Light guide plate and assembly thereof patent thumbnailLight guide plate and assembly thereof
A light guide plate and assembly thereof are disclosed. The light guide plate includes a base plate, an optical pattern on the bottom surface of the base plate, a first circuit and a second circuit on the top surface of the base plate.
Global Lighting Technologies Inc.


 Backlight module and display device patent thumbnailBacklight module and display device
The present invention provides a backlight module, comprising a glue frame, a light guide plate and a backlight source, wherein the glue frame comprises two opposite side walls and end walls connecting with the two side walls, and a loading plate is located at an inner side of the end wall, and a limiting plate is connected between the two side walls, and the limiting plate and the loading plate are respectively located at two opposite sides of the light guide plate, and the light guide plate comprises an incident surface, a limiting block and a limiting slot, and the limiting block and the limiting slot are respectively located on two opposite surfaces of the light guide plate and close to one end of the light guide plate provided with the incident surface. The present invention further provides a display device..
Wuhan China Star Optoelectronics Technology Co., Ltd.


 Light-source device and liquid crystal display apparatus patent thumbnailLight-source device and liquid crystal display apparatus
A backlight 200 is provided with a frame body 9 that is in contact with a side surface of a light guide plate 5, and a non-light emitting region surrounding a light emitting region of a light emitting surface of an led 60. The side surface of the light guide plate 5 and the led 60 can be brought close to each other, while preventing a contact therebetween by means of the frame body 9.
Sakai Display Products Corporation


 Backlight apparatus and 3d image display apparatus including the same patent thumbnailBacklight apparatus and 3d image display apparatus including the same
A 3d image display apparatus includes a display panel configured to display a multiview image, a light guide plate disposed in a rear of the display panel and spaced apart from the display panel, a main pattern repeatedly formed and spaced at a preset interval, and a light source configured to irradiate light to the light guide plate. A height of a sub pattern disposed in a light incident portion of the light guide plate near the light source among sub patterns constituting the main pattern is smaller than that of a sub pattern disposed in a central portion of the light guide plate..
Samsung Electronics Co., Ltd.


 Display device patent thumbnailDisplay device
A backlight unit includes a light source having an emission region, a wiring board having the light source mounted thereon, a light guide plate having a side surface into which light from the light source enters, and a front surface from which the light exits, a light shielding adhesive tape adhering to the wiring board, and an optical sheet which overlaps with the front surface of the light guide plate. The front surface of the light guide plate includes an effective region serving as a planar light source and a light entering region ranging from the side surface to the effective region.
Japan Display Inc.


 Light guide plate, back plate, edge-lit type backlight module and display device patent thumbnailLight guide plate, back plate, edge-lit type backlight module and display device
Disclosed is a light guide plate, a back plate, an edge-lit type backlight module and a display device. The light guide plate includes a main body and an extending part, wherein the extending part is disposed on a sidewall of the main body and extending outwardly, and the extending part and the sidewall of the main body define a space for accommodating a backlight source..
Hefei Boe Display Light Co., Ltd.


 Method for manufacturing glass light guide plate having high transmission efficiency patent thumbnailMethod for manufacturing glass light guide plate having high transmission efficiency
A method for manufacturing a glass light guide plate having high transmission efficiency is provided. A glass plate is cut and formed using a cutter machine.
Chenfeng Optronics Corporation


 Reflective display apparatus and front light module thereof patent thumbnailReflective display apparatus and front light module thereof
A front light module includes a light guide plate, a light source and a light redirection film. The light guide plate includes a light incident surface, an inner light outgoing surface and an outer light outgoing surface.
E Ink Holdings Inc.


 Display device patent thumbnailDisplay 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.
Lg Innotek Co., Ltd.


Backlight module for curved liquid crystal display device and curved liquid crystal display device

A backlight module for curved liquid crystal display device and a curved liquid crystal display device are disclosed. The backlight module comprises a backplate, a light guide plate and a backlight source that are arranged in the backplate, and quantum tubes that are arranged between the light guide plate and the backlight source, wherein a fold line which matches a curved surface of the curved liquid crystal display device is formed by the quantum tubes.
Shenzhen China Star Optoelectronics Technology Co., Ltd

Backlight module and liquid crystal display device

A backlight module is disclosed. The backlight module comprises a light guide plate, a light bar unit, which comprises a first light bar and a second light bar, and a quantum tube that is arranged between the light guide plate and the light bar unit.
Shenzhen China Star Optoelectronics Technology Co., Ltd

Backlight module

A backlight module includes a backplane, a light guide plate arranged in the backplane, a backlight source arranged in the backplane and located at one side of the light guide plate, a quantum dot rail arranged between the backlight source and the light guide plate, and a retention rack that is fixedly mounted to the backplane to receive and retain a first side of the quantum dot rail. The retention rack includes a trough section in the form of a concave recess receiving and retaining the first side of quantum dot rail therein.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Display device

A display device includes a display panel, a backlight unit, a bottom cover and a reflective member. The bottom cover defines a bottom portion thereof on which the backlight unit is supported.
Samsung Display Co., Ltd.

Display device and manufacturing the same

A display device including a backlight unit and a display panel disposed on the backlight unit. The backlight unit includes a light guide plate, a wavelength conversion layer, and a cover member.
Samsung Display Co., Ltd.

Backlight unit capable of local dimming

A backlight unit may be provided which is capable of local dimming. The backlight unit includes: one or a plurality of light emitting devices; and a light guide plate including a top surface and a bottom surface, one or a plurality of grooves which are formed in the bottom surface and in which the light emitting device is disposed, a reflective layer which is disposed within the one or the plurality of grooves and reflects light emitted from the light emitting device, and a plurality of inverse prism patterns disposed in the top surface..
Korea Advanced Institute Of Science And Technology

Touch display device

The touch display device includes a cover plate, a touch sensor unit, a display unit and a pressure sensor unit. The touch sensor unit is configured to sense a touch signal applied to the cover plate, the display unit includes a liquid crystal function layer and a backlight module.
Suzhou O-film Tech. Co., Ltd.

Light source device and display apparatus

Provided is a light-source device comprising a light guide plate having a rectangular shape, a light source facing a side surface of the light guide plate, a reflective sheet having a rectangular shape facing one broad surface of the light guide plate, and a plate-shaped member provided at a distance from the one broad surface. The light source side edge of the reflective sheet is located inwards of a light source side edge of the light guide plate such that a part of the one broad surface on the light source side is formed as an exposed surface, and light leakage prevention unit filling the space between the exposed surface and the plate-shaped member is provided with a protruding portion protruding towards the light source.
Sakai Display Products Corporation

Display apparatus

The present invention provides a display apparatus capable of exhibiting excellent heat dissipation properties with a simpler structure, and increasing productivity of products by reducing the number of components. In a television receiving apparatus (100) which includes a light guide plate (5) configured to emit light from one surface thereof, the light entering a side surface of the light guide plate (5), and displays an image by the light emitted from the light guide plate (5), the television receiving apparatus (100) includes a heat absorption plate (6) which is integrally molded with the light guide plate (5), wherein one surface of the heat absorption plate (6) contacts with the other surface of the light guide plate (5), such that the heat absorption plate (6) absorbs heat emitted by the light guide plate (5)..
Sakai Display Products Corporation

Backlight module and liquid crystal display device

The present invention provides a backlight module and a liquid crystal display device. The backlight module comprises a substrate, at least two light guide plate, a light source and a diffuser, and the light guide plates are located at the same surface of the substrate, and tilted angles are formed between the light guide plates and the substrate, and the light guide plate comprises a first lateral surface, a second lateral surface, an illuminating surface and a bottom surface, and the first lateral surface is located close to the light source to be an incident surface of the light guide plate, and the diffuser is located close to the illuminating surface of the light guide plate, and a predetermined distance is set between the diffuser and a part of the light guide plate which is closest to the diffuser adjacent thereto..
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Lighting device and manufacturing the same

A lighting device includes a light-emitting component including at least one light-emitting element mounted on a base, a light guide plate guiding light emitted from the light-emitting element, a wavelength conversion member partially covering the light guide plate, and a first reflective member covering the wavelength conversion member. The light guide plate comprises two main surfaces, which include a light-extraction surface allowing light emitted from the light-emitting element to exit and a rear surface opposite to the light-extraction surface.
Nichia Corporation

Light guide plate, backlight unit and liquid crystal display device using the same

A light guide plate includes a main body having a light receiving edge and an opposite side, the opposite side being opposite from the light receiving edge; at least one variant portion having a protruded portion that protrudes from the main body from the opposite side, the at least one variant portion defining a hole vertically passing through the main body; and an optical pattern provided in the at least one variant portion.. .
Lg Display Co., Ltd.

Light guide plate and back light unit and liquid crystal display having the light guide plate

A light guide plate, having an light incident surface, a non-light-incident surface opposite to the light incident surface, and a confluence surface positioned between the light incident surface and the non-light-incident surface and opposite to the light incident surface, wherein the light incident surface includes at least one closed groove gradually reducing from the light incident surface towards the confluence surface, and a refraction element is filled between the confluence surface and the non-light-incident surface. Also disclosed is a light having a back light unit and a liquid crystal display having the light guide plate.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Light source device, display apparatus including the same, display method using the same

A light source device may include a first light source, a second light source, a light guide plate (lgp) configured to guide a light incident from at least one of the first light source and the second light source, an optical film configured to form a distribution of directional light by controlling a progress path of a light output from the lgp, and a controller configured to control activation of at least one of the first light source and the second light source in order to control the distribution of directional light.. .
Samsung Electronics Co., Ltd.

Mirror display and manufacturing the same

A mirror display includes a light source, a light guide plate configured to guide light emitted from the light source, a first electrode layer spaced apart from the light guide plate and including at least one first hole, a first spacer provided between the light guide plate and the first electrode layer, a second electrode layer spaced apart from the first electrode layer and including at least one second hole not facing the first hole, and a substrate provided on the second electrode layer.. .
Samsung Electronics Co., Ltd.

Light guide plate assembly

The present disclosure relates to the field of production of liquid crystal displays, in particular to a light guide plate assembly, comprising: a light guide plate which includes a first side edge for introducing light and a second side edge through which no light can be introduced, and a frame for fixing the light guide plate, the frame at least partially surrounding the second side edge of the light guide plate, wherein a buffer member that is at least partially deformable in an elastic manner is disposed between the frame and the second side edge of the light guide plate.. .
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Backlight module, display module and electronic device

The embodiments of the present disclosure disclose a backlight module, a display module and an electronic device. The backlight module comprises a backlight source and a light guide plate, wherein the backlight source comprises: a first light emitting unit, and a second light emitting unit positioned at least one end of the first light emitting unit, the first light emitting unit and the second light emitting unit are disposed on the light incoming side of the light guide plate, and the light outgoing surface of the first light emitting unit and the light outgoing surface of the second light emitting unit form an angle of greater than 180° and less than 270°.
Xiamen Boe Electronics Co., Ltd.

Backlight module and display device

The present disclosure provides a backlight module and a display device. The backlight module includes a backlight source, a light guide plate, and an optical membrane configured to filter out a light beam from the backlight source other than predetermined light beams and direct the predetermined light beams toward a display panel..
Hefei Xinsheng Optoelectronics Technology Co., Ltd .

Backlight unit and display apparatus having the same

A backlight unit includes a light guide plate configured to emit light toward a display panel, and a plurality of light source units disposed adjacent to an edge of the light guide plate so as to irradiate light toward the light guide plate. The light source units include first and second light source modules configured to irradiate different types of light toward an edge of the light guide plate.
Samsung Electronics Co., Ltd.

Illumination device and display device

An illumination device according to the present invention includes: a light source row in which a plurality of light sources are aligned in a row; a light guide plate that includes a plate-shaped main body with an end thereof facing the light source row, a light-receiving portion that is arranged on the end of the main body and into which light from the light sources enters, plate-shaped side extensions that are arranged on the sides of the main body and that extend outwards further than the light-receiving portion, and a light-exiting portion that is arranged on front surfaces of the main body and the side extensions and that allows light that enters via the light-receiving portion to exit; and a supply unit that supplies light to the side extensions.. .
Sharp Kabushiki Kaisha

Backlight units and methods of making the same

A backlight unit for a lcd can include a tft array substrate, a uv light source disposed at an edge or bottom of the tft array substrate, and a layer of transparent fluorescent films formed on the tft array substrate. The layer of transparent fluorescent films can include a plurality of red transparent fluorescent films, a plurality of green transparent fluorescent films, and a plurality of blue transparent fluorescent films.
Empire Technology Development Llc

Surface frame for display module, display module and display device

The present invention provides a surface frame for a display module, a display module and a display device. The surface frame comprises a first support portion for supporting an optical film and a light guide plate and arranged surrounding three edges of the optical film and the light guide plate; a second support portion for supporting a liquid crystal panel and arranged surrounding three edges of the liquid crystal panel; a side frame connected to a rear shell; and a connection portion for connecting the side frame to outer sides of the first support portion and the second support portion..
K-tronics(suzhou) Technology Co., Ltd.

Laminating a quantum dot enhancement film to a light guide plate

Methods, apparatus, systems and articles of manufacture are disclosed for providing a display device with a quantum dot enhancement film (qdef) laminated to a light guide plate. Examples involve a device with a qdef laminated to a light guide plate and/or laminating a qdef to a light guide plate of a device..
Hewlett-packrd Development Company, L.p.

Light guide plate, backlight module and display device

A light guide plate, a backlight module and a display device are provided. A first bottom surface of the light guide plate is provided with a first recess, and the first recess is configured to dispose a first optical film unit.
Beijing Boe Chatani Electronics Co., Ltd.

Light guide plate and fabricating method thereof, backlight source, display device

A light guide plate, a fabricating method thereof, a backlight source, and a display device. The light guide plate comprises a light guide plate main body, with the surface of the light guide plate main body being provided with a blue coating.
Boe Optical Science And Technology Co., Ltd.

Display device

A display device includes an image display device that includes an image display surface that emits light polarized in one direction and displays an image; and a superimposing display device that includes a transparent light guide plate that is provided overlapping the image display surface, transmits the light emitted from the image display device, and also has grooves constituting a pattern formed thereon, includes a light source that irradiates an end surface of the transparent light guide plate with light, and is switched between display and non-display of the pattern based on lighting and non-lighting of the light source. A polarization direction of the image display device and an extending direction of the grooves intersect at an angle range of 75° to 105°.
Yazaki Corporation

Detection assembly, system and method

An electron detector assembly configured for detecting electrons emitted from a sample irradiated by an electron beam, comprising a scintillator including a scintillator layer, the scintillator layer emitting light signals corresponding to impingement of electrons thereupon, a light guide plate coupled to the scintillator layer and comprising a peripheral surface, and a single or plurality of silicon photomultiplier devices positioned upon the peripheral surface and arranged perpendicularly or obliquely relative to the scintillating surface, the silicon photomultiplier device being configured to yield an electrical signal from an electron impinging upon the scintillator layer.. .
El-mul Technologies Ltd.

Lighting assembly

The light fixture includes a frame, an optically transmissive panel assembly, a set of light emitting diodes (leds), and driving circuitry. The frame has a frame length measured along a length axis and a frame width measured along a width axis, wherein the frame length is greater than the frame width.
Pixi Lighting, Inc.

Light guide mechanism of fingerprint recognition plate

A light guide mechanism of a fingerprint recognition plate includes a frame, a light guide plate, first electrodes, second electrodes and light emitting diodes. The frame has a hollow portion and receiving troughs.
Concraft Holding Co., Ltd.

A light guide plate for an electronic paper display, and the electronic paper display

The present invention provides a light guide plate (30) for an electronic paper display and the electronic paper display. The light guide plate (30) is arranged above a display surface of an electrophoretic display module (10), and it comprises a main body, wherein a tooth-shaped pattern is arranged on an in-light surface (33) of the main body.
Guangzhou Oed Technologies, Inc.

Liquid crystal display device

A liquid crystal display device includes a plurality of light source packages each having a light-emitting portion for emitting light, a light guide plate which light emitted from the light source packages enters through the incidence surface, having a height and a width, and from which the light exits through the exit surface, and a liquid crystal display panel for controlling, for each pixel, the orientation of a liquid crystal material to control the transmission of the light exiting through the exit surface. Each light source package has two opposing long sides and two opposing short sides when viewed from the direction of the light emitted by the light-emitting portion.
Japan Display Inc.

Glass plate for light guide plate

A glass plate for a light guide plate includes a first glass layer; a second glass layer facing the first glass layer; and a third glass layer that is an intermediate glass layer formed between the first glass layer and the second glass layer, wherein the glass plate is provided with a three layer structure in a plate thickness direction, and wherein the glass plate satisfies t1c/(t1b1+t1b2+t1c)<0.03 . .
Asahi Glass Company, Limited

Backlight unit and 3d image display apparatus

Provided are a lighting system, a backlight unit and a 3d image display apparatus including the backlight unit. The backlight unit includes: a lighting system configured to selectively output collimated light and diverging light, a diffraction device, and a light guide plate configured to guide the collimated light and the diverging light from the lighting system to the diffraction device.
Samsung Electronics Co., Ltd.

Display device

Provided is a display device including a display panel, a first backlight unit, and a second backlight unit. The first backlight unit provides first light beams to the display panel.
Samsung Display Co., Ltd.

Display device

A backlight module and a display panel. The backlight module comprises a light guide plate, a heat dissipation plate and a light source.
Boe Technology Group Co., Ltd.

Display device

A display device includes a first display panel including a display surface defined by first and second directions, a second display panel spaced apart from the first display panel in a third direction perpendicular to the display surface, and a backlight unit disposed between the first and second display panels to provide a light to the first and second display panels. The backlight unit includes a light emitting element, a first exit light guide plate, a second exit light guide plate spaced apart from the first exit light guide plate, a first light-division light guide member, and a second light-division light guide member..
Samsung Display Co., Ltd.

Light guide plate, backlight unit and display device

A light guide plate (02), a backlight unit (05) and a display device (09) are disclosed. The backlight unit (05) includes a light guide plate (02), a frame (051) and a lamp group.
Beijing Boe Chatani Electronics Co., Ltd.

Backlight unit using micro optical switch and 3d image display device

A backlight unit using a micro optical switch and a three-dimensional (3d) image display device are provided. The backlight unit includes a light source configured to irradiate light, a light guide plate configured to guide the irradiated light, an optical switch array including micro optical switches disposed above the light guide plate for each of cells of the backlight unit, and a lens array disposed above and corresponding to the optical switch array.
Samsung Electronics Co., Ltd.

Light guide plate and display device having the same

A light guide plate includes a light conversion portion which transmits a transmission incident light having a first wavelength, and converts a conversion incident light having the first wavelength to a converted light having a second wavelength; and a light guide portion which guides the transmission incident light and the converted light in a first direction. The light conversion portion includes a light incident surface which receives the transmission incident light and the conversion incident light, an inclined side surface inclined with respect to the light incident surface to form an inclined angle with the light incident surface, quantum dots which convert light having the first wavelength to light having the second wavelength and are distributed in a quantum area on the light incident surface and the inclined side surface, and a reflector adjacent to the inclined side surface in a second direction opposite to the first direction..
Samsung Display Co., Ltd.

Light bar for back light unit containing resistance modulated led strings

A light bar includes a plurality of first color light emitting leds including a first subset of first color light emitting leds and a second subset of first color light emitting leds, a plurality of second color light emitting leds, where the second color is different from the first color, and a plurality of third color light emitting leds, where the third color is different from the first and the second colors. The second subset of first color light emitting leds are electrically connected in series with a larger electrical load than the first subset of first color light emitting leds.
Glo Ab

Curved backlight unit and curved display apparatus including the same

A curved backlight unit is provided. The backlight unit includes a curved light guide plate having a curvature, a first light source configured to provide a first illumination light to a first surface of the curved light guide plate, an array of a plurality of different grating elements disposed on a second surface of the curved light guide plate and configured to allow the first illumination light to exit the curved light guide plate from the second surface, and a second light source configured to provide a second illumination light to a third surface facing the second surface of the curved light guide plate.
Samsung Electronics Co., Ltd.

Light guide plate and optical display with backlighting

A light guide plate for guiding of visible light for the backlighting of a liquid crystal display is provided. The light guide plate has two parallel lateral faces and at least one edge face, which serves preferably as a light input face.
Schott Ag

Light-emitting signboard

A light-emitting signboard includes a light guide plate having a light-emitting region on a front surface thereof and a plurality of light diffusing portions located in the light-emitting region and configured to refract and diffuse light, and a light source configured to emit light into the light guide plate through one peripheral edge thereof. The total surface area of the light diffusing portions is larger than or equal to one half of the surface area of the light-emitting region, and, the density of the light-emitting regions in the light diffusing portion at the area adjacent to the light source is smaller than the density of the light-emitting regions at the area far from the light source..
Ledyoung Technology Corporation

Backlight module and light guide plate thereof

A backlight module includes a light source unit for providing light, a light guide plate including a plate body having a light entrance surface and extending along an x-y plane and at least one opening in the plate body and extending along a z axis, and an optical layer on one side of the light guide plate. The light enters the light guide plate from the light entrance surface and travels substantially along the x-y plane.
Darfon Electronics Corp.

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

A light guide plate is disclosed. The light guide plate includes a light guide plate substrate including a light inlet surface and a light outlet surface, where a first groove is disposed on the light guide plate substrate, and is configured to accommodate a light emitting portion of a first light source, and a bottom surface of the first groove forms the light inlet surface.
Huawei Device 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.


    0.3831

    file did exist - 2912

    2 - 1 - 55