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Light Guide patents



      
           
This page is updated frequently with new Light Guide-related patent applications. Subscribe to the Light Guide RSS feed to automatically get the update: related Light RSS feeds. RSS updates for this page: Light Guide RSS RSS


Light guide plate with multi-directional structures

Radiant Opto-electronics

Light guide plate with multi-directional structures

Display device

Wistron

Display device

Date/App# patent app List of recent Light Guide-related patents
02/26/15
20150055373
 Light guide plate and  manufacturing same patent thumbnailnew patent Light guide plate and manufacturing same
A light guide plate includes a light incident surface, a bottom surface connected to the light incident surface, and a light output surface facing away from the bottom surface. The light output surface is a roughened surface.
Hon Hai Precision Industry Co., Ltd.
02/26/15
20150055372
 Thin type display module patent thumbnailnew patent Thin type display module
A display module including a backlight module and a display panel is provided. The backlight module includes a light guide plate and a light source module.
Au Optronics Corporation
02/26/15
20150055368
 Display device patent thumbnailnew patent Display device
A display device includes a back cover, a front frame, a backlight module, and a display panel. The back cover has at least one supporting structure and at least one position-limiting structure.
Wistron Corporation
02/26/15
20150055367
 Edge light-type backlight device and light diffusion member patent thumbnailnew patent Edge light-type backlight device and light diffusion member
This edge light-type backlight device comprises a light guide plate, a light source disposed at one end part of the light guide plate, a light diffusion sheet and a prism sheet on a light emission face of the light guide plate. The refractive index of the prism sheet exceeds 1.60, a peak of emitted light distribution of a light emission face of the light diffusion sheet in a plane orthogonal to a direction along the one end part of the light guide plate is within an angle range of 48°-58° with respect to a normal direction of the light emission face, and the emitted light of the light emission face of the light diffusion sheet diminishes toward −90° or 90° with respect to the normal line from the angle range of the peak of the emitted light distribution.
Kimoto Co., Ltd.
02/26/15
20150055366
 Light guide plate with multi-directional structures patent thumbnailnew patent Light guide plate with multi-directional structures
A light guide plate with multi-directional structures includes a main body, a plurality of first microstructures and a plurality of second microstructures. The main body includes a light-incident surface, a light-emitting surface and a reflecting surface.
Radiant Opto-electronics Corporation
02/26/15
20150055364
 Lighting device and movable body lighting device patent thumbnailnew patent Lighting device and movable body lighting device
According to one embodiment, a lighting device includes: a light emitting section that has a light emitting element; a light guide that is provided on a side of radiation of light of the light emitting section; and a reflection section that is provided in an end section of the light guide on the side opposite the side of the light emitting section and includes a through hole that exposes the light guide and a first reflection surface that is inclined in a direction in which a side of the light emitting section approaches a side of a center shaft of the light guide.. .
Toshiba Lighting & Technology Corporation
02/26/15
20150055361
 Vehicle light and vehicle equipped with vehicle light patent thumbnailnew patent Vehicle light and vehicle equipped with vehicle light
A vehicle light installed in a vehicle includes: a main case having a front opening; first and second light guides that are disposed in the main case; light sources that emit light into the first and second light guides; and a translucent cover fitted to cover the opening of the main case. The first light guide is rod-shaped and includes a first extended section extending from the inboard side of the first light guide relative to the vehicle width direction toward the outboard side of the first light guide relative to the same and a second extended section that continues from the first extended section, curves back inwardly, and extends to the inboard side, and the second light guide is plate-shaped and disposed so as to pass in front of or behind the portion of the first light guide that curves back..
Panasonic Corporation
02/26/15
20150055056
 Display device patent thumbnailnew patent Display device
A display device includes a display panel and a backlight unit. The backlight unit has a light source that emits light, a light guide plate that guides the light from a side face of the light guide plate to a front face to the light guide plate to emit the light toward a rear face of the display panel, an optical sheet that is disposed on a front side relative to the light guide plate, and a first reflection member that is disposed between an end portion of the light guide plate near the light source and an end portion of the optical sheet near the light source, and reflects the light from the light source.
Funai Electric Co., Ltd.
02/26/15
20150055026
 Display device and television receiver patent thumbnailnew patent Display device and television receiver
A liquid crystal display device is provided with: a light-emitting diode led; a liquid crystal panel; a light guide plate having an end surface that is disposed in such a manner as to face the led, and having edge portions that are disposed further to the outside than the ends of the liquid crystal panel; holding members comprising a frame and a chassis that hold the liquid crystal panel and the light guide plate in a form in which the liquid crystal panel and the light guide plate are sandwiched between a display surface and the opposite side thereof, and accommodating the led therebetween; panel pressing sections provided to the frame; second screw attachment sections provided to the frame; second screw members that are attached to the second screw attachment sections, and secure the frame and chassis in an assembled state by sandwiching at least the chassis between the second screw attachment sections; and hole-like sections that are provided to the edge portions of the light guide plate, and through which either the second screw attachment sections or the second screw members are inserted.. .
Sharp Kabushiki Kaisha
02/26/15
20150054962
 Imaging systems with stacked image sensors patent thumbnailnew patent Imaging systems with stacked image sensors
An imaging system may include a first image sensor die stacked on top of a second image sensor die. A pixel array may include first pixels having photodiodes in the first image sensor die and second pixels having photodiodes in the second image sensor die.
Aptina Imaging Corporation
02/26/15
20150054796
new patent

Light-energy stylus and a operating the same


A light-energy stylus with a light guide having a distal end disposed near a tip of a housing and exposed on a surface of the housing. Light enters the light guide from the distal end, travels through the light guide and is then collected at a proximal end of the light guide.
Henghao Technology Co. Ltd
02/26/15
20150054186
new patent

Light-guide-plate creation


Provided is a light guide plate for a liquid crystal screen display apparatus providing a favorable visual effect. The printing data of a light reflection pattern stored in a computer is transferred to an inkjet printer to allow the inkjet printer to subject a substantially-rectangular printing face surrounded by upper and lower and left and right edges of a light guide plate to a reflective printing for diffusing light emitted from a light source into the interior of the light guide plate.
Mutoh Industries Ltd.
02/26/15
20150053850
new patent

Light out-coupling arrangement and a touch sensitive system comprising the out-coupling arrangement


The disclosure relates to a light out-coupling arrangement for a touch sensitive system comprising a light guide of a material with a refractive index ng and a top surface configured to be exposed to ambient light, and a bottom surface. The out-coupling arrangement comprises at least one detector arranged along the periphery of the light guide and configured to receive the light propagating in the light guide and an optical filter provided between the light guide and the at least one detector.
Flatfrog Laboratories Ab
02/19/15
20150049982

Passive optical diode on semiconductor substrate


An optical device includes a first optical cavity, a second optical cavity, a first light guide and a second light guide. Each of the first and second optical cavities is formed on a semiconductor substrate, and is configured to store light.
Purdue Research Foundation
02/19/15
20150049508

Display device


A display device includes a display unit, a light source disposed on a back surface side of the display unit and that irradiates light to the display unit, an optical member disposed between the display unit and the light source, and a support member disposed so that the light irradiated from the light source is incident to a side surface of the support member and so that the light incident to the side surface is transmitted through the support member. The support member supports the optical member from a back surface side of the optical member, and the support member includes an entrance portion comprising an inclined surface that refracts the light incident to the side surface and a light guide portion that guides the light refracted at the inclined surface to an optical member side of the support member..
Funai Electric Co., Ltd.
02/19/15
20150049506

Backlight module and display device using same


A backlight module includes a light guide plate and a number of light sources. The light guide plate includes a first surface and a number of projecting portions extending from the first surface corresponding to the light sources.
Hon Hai Precision Industry Co., Ltd.
02/19/15
20150049505

Transparent light guide


A light guide for illuminating a mobile electronic device display. The light guide includes a light source, a light guide panel element having a light input surface located to receive light and a light output surface located proximate to a display active area, and a light guide ring surrounding the light guide panel element and having at least one end located proximate to the light source.
Garmin Switzerland Gmbh
02/19/15
20150049487

Privawear(tm): wearable technology for disrupting unwelcome photography


This invention is a wearable device and method for disrupting unwelcome photography by a proximal imaging device in order to protect a person's privacy. This invention can be embodied in a device worn by the person whose privacy is to be protected comprising: a wearable light source; an ambient light sensor; an inbound light guide that harvests light from an ambient light source; a data processing unit that selects the use of light from the wearable light source, from the ambient light source, or from both the wearable light source and the ambient light source to disrupt unwelcome photography; and an outbound light guide that directs light from the wearable light source, from the ambient light source, or from both the wearable light source and the ambient light source toward the proximal imaging device in order to disrupt unwelcome photography..
02/19/15
20150049313

Light source device for use in selectable one of backlight moudle and projector


A light source device includes a laser diode module, a light guide plate selectively optically coupled to the laser diode module, a light projector selectively optically coupled to the laser diode module, and a light path switch module located between the laser diode module and the light guide plate and rotatably switched between a first position and a second position to change a light path of a laser beam emitted from the diode module to a first direction and a second direction different from the first direction. Along the first direction, the laser beam is guided to move toward the light guide plate.
Hon Hai Precision Industry Co., Ltd.
02/19/15
20150049285

Non-planar display backlight structures


An electronic device may be provided with a display. The display may include display layers characterized by an active area and backlight structures that provide backlight to the active area.
Apple Inc.
02/19/15
20150049255

Display device and television device


A display device includes a chassis 14, a frame 13, a photo curable resin member 30a, 30b, and a heat dissipation member 19. The frame 13 includes a portion supporting the light guide plate 16 from a side of a light exit surface 16a such that the light guide plate 16 slides.
Sharp Kabushiki Kaisha
02/19/15
20150048532

Apparatus and forming serration pattern


An apparatus for forming a serration pattern on a light guide plate having a top surface emitting a light, a bottom surface opposite to the top surface, and at least one side surface, arranged between the top surface and the bottom surface, as an incident surface. The apparatus includes a base plate supporting the bottom surface of the light guide plate; a fixing plate facing the top surface of the light guide plate with a predetermined interval; and a serration core transferring the serration pattern onto the at least one side surface of the light guide plate by a thermal pressing process causing a thickness deformation of the light guide plate.
New Optics, Ltd.
02/19/15
20150048468

Solid-state imaging device


According to one embodiment, a solid-state imaging device includes a first light-receiving portion and a first light guide layer. The first light-receiving portion is formed in the surface of a semiconductor substrate.
Kabushiki Kaisha Toshiba
02/19/15
20150048063

Laser machining apparatus


A laser machining apparatus for manufacturing a light guide plate includes a laser source, a first prism, a detector, and a processor. The laser source is configured to emit a laser beam.
Hon Hai Precision Industry Co., Ltd.
02/19/15
20150047958

Illumination display switching device


An illumination display switching device includes a board, a push button-type switch mounted on the board, a light source mounted on the board, and a switch knob that is supported to a frame member to be slidable in an operation direction of the push button-type switch. The switch knob includes a display design part that is molded with a light-transmitting resin, a non-display design part except for the display design part that is molded with an opaque resin and a light guide member that is integrally molded with the light-transmitting resin of the display design part.
Yazaki Corporation
02/12/15
20150043876

Optical fiber with image enhancement


An optical fiber with image enhancement is provided with, in combination an elongated optical fiber unit including an image input surface on a bottom, an image output surface on a top, and a light guide member between the image input surface and the image output surface. The elongated optical fiber unit is a triangular sectional structure having a vertical surface and an inclined surface, and length of the image output surface is greater than that of the image input surface.
02/12/15
20150043603

Light-emitting device and manufacturing the same


Provided is a high-output light-emitting device capable of emitting a light beam in a single mode. The light-emitting device includes a laminate structure body configured by laminating, in order, a first compound semiconductor layer, an active layer, and a second compound semiconductor layer on a base substrate, a second electrode, and a first electrode.
Sony Corporation
02/12/15
20150043244

Display device


A display device includes a light guide unit, a light source, a display panel and a protective member. The light guide unit includes a first surface, a second surface facing the first surface, and a plurality of connecting surfaces connecting the first surface and the second surface to each other, and guides a light which is incident to a connecting surface to the first surface.
Samsung Display Co., Ltd.
02/12/15
20150043241

Light guide and associated light assemblies


A light guide has a transmission of greater than 90 percent, a refractive index greater than 1.4, and less than 10 haze percent. The light guide also includes an organosiloxane block copolymer having a weight average molecular weight of at least 20,000 g/mole.
Dow Corning Corporation
02/12/15
20150043193

Display switch


A display switch includes a holding portion that formed by a light guide member and adapted to hold a held portion, and a display portion that is integrally formed with the holding portion by the light guide member, is embedded in a light shielding portion, and emits light by guiding a light irradiated to the holding portion.. .
Yazaki Corporation
02/12/15
20150043192

Switch and keyboard provided therewith


There is provided a switch having a wide, uniform luminance region. In the switch, light emitted from a light source is output through an outgoing surface located in an upper end surface of a light guide, the light being incident from an incident surface located in a lower end surface of the light guide arranged above the light source.
Omron Corporation
02/12/15
20150043044

Linear light source module with two light guides and optical assembly for scanner


A linear light source module comprises a holder, a first light guide, a second light guide, a first light-emitting element and a second light-emitting element. The first and second light guides are mounted on the holder and arranged in series, where the first light guide has a first emitting surface and the second light guide has a second emitting surface.
Avision Inc.
02/12/15
20150042924

Light emitting device, flat light and flat panel display


A light emitting device comprising a first frame, a light bar and a light guide plate is provided. The first frame has a groove which has a bottom plane, two inner walls, and an opening.
Lextar Electronics Corporation
02/12/15
20150042920

Curved display device


A curved display device comprises a liquid crystal panel; a backlight unit providing light to the liquid crystal panel, the backlight unit including a light guide plate having a curvature. The backlight unit further includes an elastic optical guide member coupled to the light guide plate, the elastic optical guide member having a substantially same curvature as the curvature of the light guide plate.
Lg Display Co., Ltd.
02/12/15
20150042904

Display device and mobile terminal device


This lcd module (120) includes a light guide plate disposition area (140a) where a light guide plate (141) that emits planar-like light to the back surface of an lcd panel (130) is disposed, and a light source disposition area (140b) where a plurality of light sources (143) that emit point-like light to the side of the light guide plate (141) are disposed. The light source disposition area (140b) includes a cutout (144), and the light source (143) near the cutout (144) from among the plurality of light sources (143) is disposed so that the emitted from light is guided to the light guide plate (141) located near the cutout (144).
Ntt Docomo, Inc.
02/12/15
20150042902

Lighting device and display system including lighting device


A lighting device includes a light source; a light guide plate including a side surface, on which light of the light source is incident, and a front surface extending perpendicular to the side surface; and a plurality of light emitting regions disposed on the front surface to be spaced apart from one another, and having optical patterns for emitting light from an inside of the light guide plate.. .
Sharp Kabushiki Kaisha
02/12/15
20150042899

Display device, and television receiver


This display device is provided with: a light source unit having a light source and a light source substrate; a display panel; a light receiving face that is disposed on the back side of the display panel, and upon which light is incident; a light guide plate having a light exiting surface that emits light toward the back side of the display panel; a wall that faces the light receiving face in such a manner that a gap is formed between the light receiving face and the wall; a light source support member that supports the light source unit, and is inserted with the light source unit in the gap etc. From the back side of the light guide plate; and an elastic member that is disposed on the light source support member, protrudes farther toward the light receiving surface than the light source, is inserted in the gap before the light source unit, and is formed of an elastic material..
Sharp Kabushiki Kaisha
02/12/15
20150042898

Display device and television reception device


This liquid crystal display device is provided with: an led; a liquid crystal panel; a light guide plate; a metal chassis disposed on the reverse side of the light guide plate from the liquid crystal panel, the chassis having a step provided by bending a bottom plate, and the bottom plate being sectioned into a first bottom plate part and a second bottom plate part by the step; an led substrate attached to the first bottom plate part, the led being arranged on a plate surface of the led substrate; and a frame for accommodating the liquid crystal panel, the led, the light guide plate, and the led substrate so as to enclose these accommodated components between the frame and the first bottom plate part while abutting the second bottom plate part, the frame being arranged on a display surface side with respect to the liquid crystal panel. By the present invention, the temperature of the frame can be prevented from becoming too high in a display device of a type not provided with a cabinet.
Sharp Kabushiki Kaisha
02/12/15
20150041944

Image sensor, fabricating method thereof, and device comprising the image sensor


Image sensor, fabricating method thereof, and device comprising the image sensor are provided, which comprises a substrate in which a photoelectric transformation device is formed, an interconnection structure formed on the substrate and including multiple intermetal dielectric layers and multiple metal interconnections placed in the multiple intermetal dielectric layers, the interconnection structure defining a cavity aligned corresponding to the photoelectric transformation device, a moisture absorption barrier layer conformally formed on a top of the interconnection structure and in the cavity; and a light guide unit formed on the moisture absorption barrier layer and including light transmittance material filling the cavity, wherein the moisture absorption barrier layer is formed with a uniform thickness on both sides and a bottom of the cavity and on a top surface of the multiple intermetal dielectric layer.. .
02/05/15
20150038825

Photoacoustic measurement device and probe for photoacoustic measurement device


An object of the invention is to reduce the size of a probe for a photoacoustic measurement device. A light guide 71 is arranged such that one of a two side surfaces 71a is closer to a probe axis c which faces a subject than the other side surface and a light emission end surface 71c is closer to the probe axis c than a light incident end surface 71b when the probe is used.
Fujifilm Corporation
02/05/15
20150036976

Solar concentrator


The invention relates to a solar concentrator made of a transparent material, wherein the solar concentrator comprises a light incoupling surface that may be spherical or non-spherical, a light outcoupling surface, and a light guide component arranged between the light incoupling surface and the light outcoupling surface, the light guide component being delimited between the light incoupling surface and the light outcoupling surface by a light guide component surface.. .
Docter Optics Se
02/05/15
20150036386

Illumination device having a tapered light guide


This disclosure provides systems, methods and apparatus for illumination devices. In one aspect, an illumination device having a longitudinal axis includes a light source and a light guide.
Qualcomm Mems
02/05/15
20150036385

Spread illuminating apparatus


A spread illuminating apparatus includes a plurality of leds, an fpc on which the plurality of leds are mounted, and a light guide plate. The fpc is fixed to an underside surface of the light guide plate using a double-sided tape, and the plurality of leds are disposed opposing an incident light surface of the light guide plate.
Minebea Co., Ltd.
02/05/15
20150036382

Spread illuminating manufacturing a light guide plate


Optical elements of a light guide plate are formed by repeatedly aligning convex parts in a longitudinal direction of the optical elements. Concave/convex shaped parts whose recess amount and/or protrusion amount are not constant are formed by three-dimensional curved surfaces that constitute the convex parts.
Minebea Co., Ltd.
02/05/15
20150036381

Backlight module and liquid crystal display including the same


The present disclosure relates to a backlight module and a liquid crystal display comprising the backlight module. The backlight module comprises a light guide plate, a glue frame, and a bent heat dissipating plate for fixing the glue frame.
Shenzhen China Star Optoelectronics Technology Co., Ltd.
02/05/15
20150036380

Light guide plate and backlight module having the same


A light guide plate includes a light incident surface, a light emitting surface, a bottom surface, a first lateral surface, and a second lateral surface. The light incident surface has a plurality of elongated optical microstructures, and each elongated optical microstructure has an inclined surface and a curved surface connected with each other.
Young Lighting Technology Inc.
02/05/15
20150036314

Luminous keyboard


A luminous keyboard includes a light guide layer, a light source, a reflecting layer, a circuit layer, a key fixing plate, mechanical keys, and microstructures. The light guide layer has a first surface, a second surface, and a light incident surface.
Young Lighting Technology Inc.
02/05/15
20150036313

Illuminating device and display


An illuminating device includes a light source which outputs light, a light guide member having an incident surface on which the light from the light source is incident, an output surface through which the light is output from the light guide member, and a light deflection surface on which light deflection elements are formed such that the light is guided toward the output surface, and an isotropic light diffusion member positioned over the output surface of the light guide member. The light guide member has the incident surface extended in an x direction and includes a unit lens formed on the output surface and extended in a y direction orthogonal to the x direction.
Toppan Printing Co., Ltd.
02/05/15
20150036068

Multibeam diffraction grating-based backlighting


Multibeam diffraction grating-based backlighting includes a light guide and a multibeam diffraction grating at a surface of the light guide. The light guide is to guide light from a light source.
Leia Inc.


Popular terms: [SEARCH]

Light Guide topics: Light Guide, Light Guide Plate, Liquid Crystal Display, Liquid Crystal, Over The Air, Electric Conversion, Photoelectric Conversion, Display Panel, Optical Sensor, Terminal Equipment, Modulation, Microscopy, Led Substrate, Partitioning, Ceramic Substrate

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This listing is a sample listing of patent applications related to Light Guide 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 with additional patents listed. Browse our RSS directory or Search for other possible listings.
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