Follow us on Twitter
twitter icon@FreshPatents


Light Guide Plate patents

      

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




new patent Light guide plate including absorption pattern and display device having the same
A display device includes a display panel which displays an image with light, a light guide plate through which the light is guided and which guides the light to the display panel, and an absorption filter provided in plural. The light guide plate defines a light exit surface thereof through which the light is emitted to the display panel and a rear surface thereof opposite to the light exit surface.
Samsung Display Co., Ltd.


Liquid crystal display device
The present invention provides a liquid crystal display device. The device includes a light guide plate, a color filter substrate, an array substrate and a light shading tape.
Wuhan China Star Optoelectronics Technology Co., Ltd.


Light guide plate, manufacturing the same, and display device including the light guide plate
A light guide plate includes a body and a light guide pattern. The body includes a glass doped with a dopant having photosensitivity and first regions spaced apart from each other are defined in the body.
Samsung Display Co., Ltd.


Luminous keyboard
A luminous keyboard includes a keypad module, plural light-emitting elements, a light guide plate and a reflecting plate. The reflecting plate has plural light amount control structures.
Primax Electronics Ltd.


Liquid crystal display device
A liquid crystal display device includes a backlight module, a liquid crystal panel, a color filter and a controller. The backlight module includes a light guide plate having a light-input surface and a light-output surface, a plurality of white leds and a plurality of blue leds.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Light source device and display apparatus
A light source device according to the present invention includes a light guide plate, a light source opposed to one end face of the light guide plate, a casing with one face being open, which houses the light guide plate and the light source and a frame member fitted onto an edge of the casing, the casing includes a contact part directly or indirectly being in contact with the one end face of the light guide plate at a side of the light source, and the frame member includes an elastic contact part being in contact with the other end face of the light guide plate while being elastic, at a side opposite to the light source.. .
Sakai Display Products Corporation


Backlight module comprising quantum dot strips and liquid crystal display device
A backlight module having quantum dot (qd) strips is provided. The backlight module includes a back bezel, a light guide plate (lgp) disposed on the back bezel, and a light source fixed at one side of the lgp.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


Light guide plate and planer light source device having the same
A light guide plate includes a light introduction surface to receive light supplied from a light source module and a light emission surface to emit the light outward, the light emission surface having a larger area than the light introduction surface. The light guide plate is of a material that transmits light and absorbs light in an absorption wavelength band.
Lg Electronics Inc.


Composite light guide plate and manufacturing method thereof, backlight module, and display device
The present disclosure provides a composite light guide plate and a manufacturing method thereof, a backlight module and display device. The composite light guide plate includes a light guide plate body and a reflective film.
Beijing Boe Display Technology Co., Ltd.


Surface light source device and display device
A surface light source device (20) includes a light guide plate (30), an optical sheet (60) and a light source (24). The optical sheet has unit prisms projecting toward the light guide plate and arranged in a first direction.
Dai Nippon Printing Co., Ltd.


Narrow-frame liquid crystal display (lcd) module

The present invention relates to a narrow-frame liquid crystal display (lcd) module, which comprises: an lcd panel; a light guide module including at least one group of optical films and a light guide plate disposed at the rear of the optical films; and a frame erected on the light guide plate and configured to support the edges of the optical films, wherein a prism layer is disposed among the optical films; the prism layer and the frame are partially overlapped or not overlapped; and when the prism layer and the frame are partially overlapped, the width of the prism layer extended from the frame is not more than 2 mm so as to shorten a dark band produced by the dioptric imaging of the frame on the edge of the lcd panel.. .
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Backlight module and liquid crystal display

A backlight module includes a light guide plate, a light source and a plastic frame. The light guide plate includes a light emitting surface, a bottom surface, a light incident surface and a first side surface.
Chunghwa Picture Tubes, Ltd.

Display device and television receiving device

A liquid crystal display device includes: a chassis having a bottom plate; a liquid crystal panel; source-side flexible substrates bent such that one end side thereof is connected to the liquid crystal panel and another end side thereof reaches a rear surface side of the bottom plate; a source substrate connected to the other end side of the source-side flexible substrates and disposed on the rear surface side of the bottom plate; a light guide plate, an end face thereof that faces toward the source-side flexible substrates being a first light-receiving face, and another end face thereof being a second light-receiving face; first leds that are of a top-emitting type and that are disposed so as to face the first light-receiving face; second leds that are of a side-emitting type and are disposed so as to face the second light-receiving face; a metal first led substrate, the first leds being disposed on a surface thereof; and a second led substrate, the second leds being disposed on a surface thereof.. .
Sharp Kabushiki Kaisha

Decoration device and game machine

A decoration device has a display panel having a cylindrical surface shape with curvature in a first direction on which a first pattern is provided, a light source to emit visible light, and a light guide plate with a diffusing surface opposes the display panel, the diffusing surface having a concave cylindrical surface shape, an exit surface opposing the diffusing surface having a convex cylindrical surface shape. The light guide plate is provided such that the first pattern is visible from the exit surface side.
Omron Corporation

Backlight system for liquid crystal display devices

A liquid crystal display (lcd) panel and a backlight system for the lcd panel are provided. A light guide plate and an illumination source facing a side of the light guide plate are provided, wherein the illumination source comprises a set of light emitting diodes (leds).
Panasonic Liquid Crystal Display Co., Ltd.

Illumination device

An illumination device includes a light source unit and a light guide plate configured to guide light coming from the light source unit. The light guide plate includes an incidence surface, main emission surfaces from which the light incident on the incidence surface is emitted, and an end emission surface which is opposed to the incidence surface and from which the light is emitted.
Panasonic Intellectual Property Management Co., Ltd.

Illumination device

An illumination device includes a light source unit; and a light guide plate configured to guide light from the light source unit and to emit the light outward. The light guide plate includes an incidence surface which constitutes one end surface of the light guide plate and on which the light from the light source unit is incident, and emission surfaces which constitute opposite main surfaces of the light guide plate and from which the light incident on the incidence surface is emitted.
Panasonic Intellectual Property Management Co., Ltd.

Light guide plate

A light guide plate includes a diffusing surface that diffuses incident light having a concave cylindrical surface shape with curvature in a first direction, and an exit surface having a convex cylindrical surface shape with curvature in the first direction. The light guide plate is constituted such that a pattern provided behind the diffusing surface is visible from the exit surface side.
Omron Corporation

Presentation device and game machine

A presentation device has a cylindrical display panel provided with a first pattern on an outer circumferential surface thereof and supported to be rotatable in a circumferential direction, a cylindrical light guide plate arranged along an outer circumference of the display panel and supported coaxially with the display panel such that the first pattern is visible from an outer circumferential side, and a light source opposing a portion of one edge surface of the light guide plate and configured to emit visible light. The light guide plate has prisms that are formed in a diffusing surface on an inner circumferential side opposing the outer circumference surface of the display panel, reflect visible light from the light source that enters the light guide plate from the portion of the edge surface toward an exit surface on the outer circumferential side opposing the diffusing surface and arranged along a second pattern..
Omron Corporation

Light source assembly, backlight and display device

A light source assembly, a backlight and a display device are provided. The light source assembly comprises a bar-shaped light source unit, which comprises an organic light-emitting diode for emitting light and has a light outgoing side; and a light concentration bar, which has a light incidence surface and a light outgoing surface opposite to each other, the light incidence surface being disposed at an outer side of the light outgoing side of the light source unit and matching with the light outgoing side in size, and the light outgoing surface matching with a light incidence side of a light guide plate in size..
Hefei Boe Display Light Co., Ltd.

Light guide plate, backlight module, and display device

The present invention provides a light guide plate, a backlight module, and a display device. The light guide plate contains a platform of uniform thickness along an edge of the light guide plate for installing a flexible printed circuit (fpc).
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light guide plate, backlight module and display device

A light guide plate, a backlight module and a display device is provided. The light guide plate includes: a film limit part and a fixed part.
Hefei Boe Optoelectronics Technology Co., Ltd.

Functional material, its preparation method, light guide ink, and light guide plate

The present invention provides a functional material, its preparation method, a light guide ink and a light guide plate. The present invention belongs to the display technical field and can solve the problem that existing liquid crystal display devices will produce pollution.
Beijing Boe Optoelectronics Technology Co., Ltd

Lighting device, display device and television device

A backlight device includes an led, a light guide plate having one edge surface as a light entrance surface, one plate surface as a light exit surface and another plate surface as an opposite plate surface, further includes a chassis having a bottom plate portion that includes a light guide plate support portion supporting the light guide plate from a side of the opposite plate surface and a light guide plate non-support portion not supporting the light guide plate from the side of the opposite plate surface, and further includes a reflection sheet having an extended reflection portion that extends closer to the led than the light entrance surface of the light guide plate and having a cutout portion that is formed by cutting out at least a part of a portion of the extended reflection portion overlapping with the light guide plate non-support portion.. .
Sharp Kabushiki Kaisha

Reflective flexible liquid crystal display

The present invention provides a reflective flexible liquid crystal display, which includes: an upper flexible substrate (1), a lower flexible substrate (3) arranged opposite to the upper flexible substrate (1), a layer of liquid crystal (5) filled between the upper flexible substrate (1) and the lower flexible substrate (3), a circular polarization sheet (7) arranged on an upper surface of the upper flexible substrate (1), and a flexible light guide plate (9) arranged on an upper surface of the circular polarization sheet (7). The upper flexible substrate (1) and the flexible light guide plate (9) are both transparent and the lower flexible substrate (3) includes a reflector layer (37) formed thereon.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Backlight assembly including alignment member and display device having the same

A display device includes: a display panel which display an image with light and has a curvature; a light source which generates and emits the light to the display panel; a light guide plate which guides the light emitted from the light source to the display panel, the light guide plate having a curvature and defining a light incidence surface thereof through which the light is incident; a circuit board which faces the light incidence surface of the light guide plate and on which the light source is mounted; and an alignment member which is between the circuit board and the light guide plate and aligns the light source with the light incidence surface of the light guide plate.. .
Samsung Display Co., Ltd.

Backlight unit and display device including the same

A display device includes a display panel, a light source which generates light, a light guide plate which receives the light and guides the light to the display panel, the light guide plate defining a side surface thereof, an accommodating member accommodating the light source and the light guide plate therein, the accommodating member including a sidewall, and a fixing member in plural between the sidewall of the accommodating member and the side surface of the light guide plate. The fixing member defines a supporting portion thereof contacting the side surface of the light guide plate, fixing portions fixed to the sidewall of the accommodating member and spaced apart from each other, and a connecting portion provided in plural and connecting an end among opposing ends of the supporting portion to a fixing portion among the fixing portions, the fixing portion forming an acute angle with the connecting portion..
Samsung Display Co., Ltd.

Light guide plate-positioning column, backlight module and display apparatus

The present disclosure provides a light guide plate-positioning column, a backlight module and a display apparatus. The column comprises a first positioning body for positioning a light guide plate and a second positioning body for positioning an optical film; the second positioning body is located on a side of the first and fixedly connected to it; a projection of the first positioning body in a direction from it toward the second completely covers that of the second, and a projection area of the first positioning body is greater than that of the second; wherein in the direction, a surface on a side of the first positioning body close to the second does not extend beyond a surface on a side of the plate close to the second.
Boe Technology Group Co., Ltd.

Backlight module and liquid crystal display device

A backlight module including a back plate and a light guide plate structure and a light source assembly disposed on the back plate, wherein the light guide plate structure is mainly formed by splicing a plurality of light guide plate blocks, each of the plurality of light guide plate blocks includes a splicing end surface and at least one incident light end surface, and the light source assembly is disposed on at least one incident light end surface of the light guide plate blocks. Additionally, a liquid crystal display including the above backlight module is disclosed.
Shenzhen China Star Optoelectronics Technology Co., Ltd

Display device

A display device includes: a display panel which display an image with light; a light source which generates and emits the light and includes a first light source and a second light source which are disposed at a same side of the display panel and each generate light; and a light guide plate which receives the light emitted from the light source and emits the light to the display panel. The light guide plate defines a light incident side surface thereof at the same side of the display panel at which the first and second light sources are disposed.
Samsung Display Co., Ltd.

Curved display device and manufacturing the same

A curved display device includes a backlight unit which generates light and a display panel which receives the generated light from the backlight unit. The backlight unit includes a light guide plate and is curved.
Samsung Display Co., Ltd.

Light guide plate, backlight module, and display device

A light guide plate includes a light exit surface, a reflection surface opposite to the light exit surface, and at least one light incidence surface connecting to the light exit surface and the reflection surface. The reflection surface includes a plurality of minute projection structures projecting toward interior of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Backlight unit including light guide plate having inclined reflective surface and display device including the same

A backlight unit includes: a point light source which generates light, a light guide plate defining upper and lower surfaces thereof opposing one another, a side surface provided in plural each connecting the upper and lower surfaces to each other; and among the plural side surfaces a light-incident side surface thereof at which the point light source is disposed and on which is incident the light generated from the point light source; and a reflective side surface thereof which is adjacent to the light-incident side surface and reflects light within the light guide plate, and which forms a first angle with respect to the light-incident side surface; and a wavelength converting unit between the light guide plate and the point light source.. .
Samsung Display Co., Ltd.

Curved display device and housing thereof

The present invention relates to a curved display device and a housing thereof. A housing according to one aspect of the present invention includes a case top for covering a front surface of a curved display device; a cover bottom coupled to the case top and including a bottom surface section for covering a rear surface of the curved display device and a sidewall section having a linear sidewall extending from a linear edge of the bottom surface section and a curved sidewall extending from a curved edge of the bottom surface section; and a plurality of guide holders fitted with the curved sidewall of the cover bottom in a predetermined interval to fix a light guide plate arranged on the bottom surface section in a curved shape..
New Optics, Ltd.

Display device

According to an aspect, a display device includes an image display panel; a planar light source including a light guide plate, a first sidelight light source, and a second sidelight light source; and a control unit. The control unit sets first luminance determination blocks in a first display surface of the image display panel and identifies a first luminance determination block to be a target of luminance correction by referring to luminance information on the light sources.
Japan Display Inc.

A tunable backlight device, a display device and a driving the same

The present disclosure provides a tunable backlight device, a display device and method of driving the display device. The tunable backlight device comprises: at least one backlight apparatus with high color gamut and low luminance; at least one backlight apparatus with low color gamut and high luminance; a storage configured to store a library of current feedback coefficients; a current feedback apparatus, configured to determine a first current feedback coefficient (k1) for the backlight apparatus with high color gamut and low luminance and a second current feedback coefficient (k2) for the backlight apparatus with low color gamut and high luminance, according to the requirements, respectively; a backlight driving apparatus configured to supply respective currents to both the backlight apparatuses to emit lights, based on the first and the second current feedback coefficients, respectively; and a light guide plate configured to mix the lights emitted from the both backlight apparatuses..
Hefei Boe Optoelectronics Technology Co. , Ltd.

Backlight module and lighting keyboard using the same

A backlight module and a lighting keyboard using the same are provided. The backlight module includes a flexible circuit board, a light-emitting element, a light shielding layer and a light guide plate.
Darfon Electronics Corp.

Backlight module and display device

The present disclosure provides a backlight module and a display device. The backlight module includes a back plate, a light guide plate (lgp) arranged on the back plate and including a central region and a peripheral region, and an optical sheet arranged on a light-exiting surface of the lgp.
Beijing Boe Chatani Electronics Co., Ltd.

Diffusion plate and manufacturing method thereof, backlight module

A diffusion plate is provided. The diffusion plate includes a diffusion plate substrate, wherein the diffusion plate substrate includes grooves configured to accommodate microstructures of a light guide plate.
Beijing Boe Optoelectronics Technology Co., Ltd.

Backlight module and curved liquid crystal display device

A backlight module including: a backplane, a curved light guide plate (lgp) and a light source. A heat-dissipating plate is disposed on the backplane and includes a support part fixed on the backplane and an installation part for installing the light source, an angle between the support part and the installation part is α.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Backlight module

A backlight module includes a back frame, a light guide plate and a cushion disposed inside the back frame. The back frame includes a base and side walls perpendicular to the base.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light guide plate and manufacturing method thereof, backlight module

The present invention relates to the field of display techniques, and discloses a light guide plate and a manufacturing method thereof, as well as a backlight module; the light guide plate comprises a light guide plate body and lattice points, wherein the light guide plate body is provided with a light output surface, and a receiving groove for receiving a light source is formed in a surface of the light guide plate body facing away from the light output surface thereof, and a side surface and a bottom surface of the receiving groove form a light input surface. The lattice points are distributed inside the light guide plate body along a plane parallel with the light output surface; the further the lattice points are distanced from the light input surface, the more densely they are distributed.
Beijing Boe Optoelectronics Technology Co. , Ltd.

Light guide plate, backlight module, and display device

A light guide plate includes a light exit surface, a reflection surface opposite to the light exit surface, at least one light incidence surface connecting to the light exit surface and the reflection surface, and two side surfaces. The reflection surface includes first and second minute projection structures projecting toward interior of the light guide plate, the second minute projection structures being arranged between the first minute projection structures and the two side surfaces of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Light guide plate, backlight module, and display devi

A light guide plate includes a light exit surface, a reflection surface opposite to the light exit surface, and at least one light incidence surface connecting to the light exit surface and the reflection surface. The reflection surface includes a plurality of minute projection structures projecting toward interior of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co. Ltd.

Light source unit and manufacturing the same

According to an exemplary embodiment, the output end may be reduced in thickness when compared to that of the output end in accordance with the related art. Therefore, the output end may be applied to the light guide plate having the thin thickness, and also, the display device including the backlight unit having the thin thickness may be manufactured.
Goodled Co., Ltd

A backlight unit and a display device

The present invention relates to the field of display technology, particularly to a backlight unit and a display device. The backlight unit according to the present invention comprises: a light guide plate, the light guide plate comprising a first inclined side and an upper bottom surface and a lower bottom surface parallel with each other, wherein the angle between the first inclined side and the lower bottom surface is a sharp angle; a light emitting element arranged below the first inclined side; and a first reflector arranged on a surface of the first inclined side of the light guide plate.
Boe Technology Group Co.. Ltd.

Light guide plate, backlight source and display apparatus

The present invention relates to the technical field of display, and discloses a light guide plate, a backlight source and a display apparatus, for solving the problem of the exit light non-uniformity of the backlight source. The light guide plate comprises a light guide plate main body and at least one boss, the light guide plate main body comprises a first light entrance surface, a first light exit surface intersecting with the first light entrance surface, and a first bottom surface opposed to the first light exit surface; the boss is located on the first light entrance surface and comprises a second bottom surface adjoining the first light entrance surface, a top surface opposed to the second bottom surface, as well as two end faces and two side surfaces respectively intersecting with the top surface and the second bottom surface at two ends, wherein the area of the top surface is less than that of the second bottom surface, the two end faces are respectively flush with the first bottom surface and the first light exit surface, and the two side surfaces are respectively slope surfaces which may be used as a second light entrance surface.
Boe Technology Group Co., Ltd.

Light guide plate, backlight and display device

A light guide plate, a backlight and a display device are provided. The light guide plate includes a light incident surface, and a light emergent surface intersecting with the light incident surface, the light emergent surface being provided with a blank region close to the light incident surface; the blank region is provided with a plurality of convex point structures thereon.
Boe Optical Science And Technology Co., Ltd.

Liquid crystal display with multiple display areas

A liquid crystal display comprises a liquid crystal panel and a backlight unit. The liquid crystal panel includes a main display area and a sub-display area protruding from the main display area.
Lg Display Co., Ltd.

Backlight module and anti-peeping display device

A backlight module and an anti-peeping display device are provided. The backlight module comprises a light guide plate, a lens and a light source.
Boe Technology Group Co., Ltd.

A transparent display device

A transparent display device is provided herein, which comprises a display module and a backlight module. The display module includes a liquid crystal display panel, polarizers and an optical film.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Backlight module and liquid crystal display device

A backlight module includes a light guide plate, a light source, and a phosphor film. The light source is secured to the light guide and includes an emitting element and a phosphor element covering the emitting element.
Hon Hai Precision Industry Co., Ltd.

Backlight module and liquid crystal display device

A backlight module comprises a light guide plate, at least one light source configured to emit a mixed light of a first primary color and a second primary color, a phosphor film capable of generating light having a third primary color, and a reflector. The light guide plate guides the mixed light to the phosphor film.
Hon Hai Precision Industry Co., Ltd.

Light guide plate assembly, side-type backlight source module and display device

A light guide plate assembly comprising: a first substrate which is transparent and positioned on a light-emitting side of the light guide plate assembly; a second substrate which is disposed opposite to the first substrate; and a plurality of light modulation units which are disposed between the first substrate and the second substrate, wherein each of the light modulation units comprises: a first electrode which is disposed adjacent to the first substrate; a second electrode which is disposed adjacent to the second substrate, wherein the first electrode and the second electrode are configured to generate an electric field therebetween; and an electrophoretic capsule layer which is positioned between the first electrode and the second electrode and comprises an electrophoretic capsule containing white electrophoretic particles and black electrophoretic particles which are dispersed in transparent dispersing medium and are oppositely charged.. .
Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Light guide unit and backlight module with the same

A light guide unit includes a frame having a groove and sidewalls around the groove and a light guide plate carried in the frame. The sidewalls define at least one hole therein.
Hon Hai Precision Industry 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.


    1.5178

    file did exist - 2912

    1 - 1 - 55