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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


Side-edge backlight module

Shenzhen China Star Optoelectronics Technology

Side-edge backlight module

Coverless linear light source light guide with light reflecting patterned surface

Pixon Technologies Corp.

Coverless linear light source light guide with light reflecting patterned surface

Coverless linear light source light guide with light reflecting patterned surface

Sharp

Lighting device, display device, and television device

Date/App# patent app List of recent Light Guide-related patents
06/25/15
20150181070
 Light guide, light guiding device and image reading apparatus patent thumbnailnew patent Light guide, light guiding device and image reading apparatus
A light guide for use in an image reading apparatus. The light guide extends in a predetermined direction and includes: a reflecting surface being parallel to the predetermined direction; an emitting surface; and a prism configured to reflect light to the emitting surface.
Konica Minolta, Inc.
06/25/15
20150180472
 Display device and infrared touch module thereof patent thumbnailnew patent Display device and infrared touch module thereof
A display device includes an infrared touch module, a back casing and a display panel. The infrared touch module includes a light guide member, a circuit board and an infrared transmitter.
Qisda Corporation
06/25/15
20150179867
 Method for manufacturing photoelectric conversion device patent thumbnailnew patent Method for manufacturing photoelectric conversion device
In a method for manufacturing a photoelectric conversion device which includes: a substrate including a photoelectric conversion element; and a light guide which includes an insulator having an opening corresponding to the photoelectric conversion element and containing silicon oxide and a member located in the opening and containing silicon nitride, the method includes: forming a first silicon nitride film which forms the member in the opening by a parallel plate type plasma cvd apparatus; and forming a second silicon nitride film which forms the member in the opening and on the first silicon nitride film by a high density plasma cvd apparatus. In the photoelectric conversion device, the first silicon nitride film has a thickness of 55 nm or more..
Canon Kabushiki Kaisha
06/25/15
20150179702
 Ac light emitting diode and  fabricating the same patent thumbnailnew patent Ac light emitting diode and fabricating the same
The present invention relates to a light emitting device, including a plurality of light guide portions, a reflection prevention substance disposed on an inclined surface of each light guide portion of the plurality of light guide portions, and a plurality light emitting regions. Each light emitting region includes a first-type semiconductor layer, a second-type semiconductor layer, and an active layer disposed between the first-type semiconductor layer and the second-type semiconductor layer.
Seoul Viosys Co., Ltd.
06/25/15
20150179366
 Switch device patent thumbnailnew patent Switch device
A switch device includes a holder (2), an operation knob (3) that has a display and is held in the holder so as to be movable forward and rearward, a ring-like coil antenna (15), a circuit board (7) on which a detection means for detecting the operation of the operation knob is disposed, leds (light source) that are disposed on the circuit board and illuminate the display on the operation knob, and a slider (5) that is stored in the holder 2 so as to be movable forward and rearward integrally with the operation knob and has light guide paths for the leds, a center axis of the coil antenna is offset from an operational center line of the operation knob, and the light guide paths of the slider and the display on the operation knob are disposed opposed to a center hole of the coil antenna.. .
U-shin Ltd.
06/25/15
20150177661
 Image forming apparatus that indicates operating status using luminous body patent thumbnailnew patent Image forming apparatus that indicates operating status using luminous body
An image forming apparatus includes an image forming section, a body housing, a protruding housing, a light diffusing portion, a light source, a light guide path, and a control unit. The image forming section performs image formation on a sheet.
Kyocera Document Solutions Inc.
06/25/15
20150177551
 Liquid crystal display device patent thumbnailnew patent Liquid crystal display device
The present invention discloses an lcd device. The lcd device includes a bezel, a light guide plate on the light source for guiding light, an optical film on the light guide plate for processing the guided light through the light guide plate, an lcd panel directly carried on the optical film, a driving chip, a fpc with metal wires, wherein the driving chip bonds with the fpc and is used for being coupled to the lcd panel via the metal wires of the fpc, and a heat sink attached between the bezel and the fpc and used for dissipating heat generated from the driving chip..
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/25/15
20150177519
 See-through eyepiece for head wearable display patent thumbnailnew patent See-through eyepiece for head wearable display
An eyepiece for a head wearable display includes a light guide component for guiding display light received at a peripheral location offset from a viewing region and emitting the display light along an eye-ward direction in the viewing region. The light guide component includes an input surface oriented to receive the display light into the light guide component, an eye-ward facing surface having a reflection portion and a viewing portion, a folding surface oriented to reflect the display light received through the input surface to the reflection portion of the eye-ward facing surface, and a first interface surface oriented to receive the display light reflected from the reflection portion of the eye-ward facing surface.
Google Inc.
06/25/15
20150177497
 Wide field-of-view virtual image projector patent thumbnailnew patent Wide field-of-view virtual image projector
A wide field-of-view virtual image projector includes a rod light guide that is embossed with at least a first diffraction grating and a second diffraction grating that is substantially parallel to the first diffraction grating. The first diffraction grating is configured to receive a first light ray, and to project first diffracted light rays from the rod light guide at a first range of angles.
Microsoft Technology Licensing, Llc
06/25/15
20150177455
 Lighting device patent thumbnailnew patent Lighting device
A lighting device is formed of a bistable spring, a housing, a flexible light guide member, and a lighting module. The bistable spring is changeable between an uncurled state and a curled state and includes a springy main body and a covering layer.
06/25/15
20150177454
new patent

Coverless linear light source light guide with light reflecting patterned surface


A coverless linear light source light guide with a light reflecting patterned surface that eliminates the need for a reflective cover is discloses. The light guide comprises an elongated polygonal transparent material.
Pixon Technologies Corp.
06/25/15
20150177453
new patent

Lighting device, display device, and television device


A backlight unit includes a light guide plate 16, leds 17, a chassis 14, a frame 13 and positioning members 30. The light guide plate 16 includes two edge surfaces that are light entrance surfaces 16b and a front surface that is a light exit surface.
Sharp Kabushiki Kaisha
06/25/15
20150177452
new patent

Coverless linear light source light guide with hooded bracket


A coverless linear light source light guide with hooded bracket for holding a light emitting diode (led) module to the light guide is disclosed. The hooded bracket is disposed around the light receiving end of the light guide and comprises a hood top, a hood back, two hood sides, and two hood grasps disposed on the hood sides.
Pixon Technologies Corp.
06/25/15
20150177449
new patent

Backlight device and display apparatus


The backlight device included in the display apparatus is provided with: a light guide plate, a front chassis (pressing member) disposed at the front side of the light guide plate; and a heat sink (supporting member) having a plate-shaped connecting part (connecting plate) disposed at the side of the light guide plate, to be connected with other members. A through hole is formed in the connecting part, and a nut, which is necessary for connecting a bezel and the front chassis with a screw, is press-fitted into the through hole.
Sakai Display Products Corporation
06/25/15
20150177448
new patent

Side-edge backlight module


The present invention provides a side-edge backlight module, which includes: a backplane (2), a backlight source (4) mounted in the backplane (2), and a light guide plate (6) mounted in the backplane (2). The backlight source (4) includes a circuit board (42), a plurality of led lights (44) mounted to and electrically connected with the circuit board (42), a plurality of vertical heat dissipation boards (46) mounted to the circuit board (42) and arranged between the led lights (44), and horizontal heat dissipation boards (48) perpendicularly connected to the vertical heat dissipation boards (46).
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/25/15
20150177446
new patent

Display device and television device


A display device 10 includes a display panel 11, a light source row 170, a light guide plate 16, a chassis 14 and a recess portion 134b that is fitted the chassis 14. The light guide plate 16 includes a positioning projection portion 160 that is fitted to the recess portion 134b.
Sharp Kabushiki Kaisha
06/25/15
20150177445
new patent

Light guide device, virtual image display appratus, and manufacturing light guide device


In a light guide device, a step between optical surfaces connected to each other by a connection portion can be limited to 1 mm or smaller so that a large stepped portion is not allowed to be formed at the connection portion in a hard coat formation process, whereby a coating liquid that flows along portions that are to form the optical surfaces forms no liquid pool or causes no liquid sagging. The light guide device can thus maintain satisfactory light guiding performance at the light guide portion..
Seiko Epson Corporation
06/25/15
20150177442
new patent

Light guide element and lighting fixture


A light guide element and a lighting fixture are described. The light guide element includes a light guide body, first microstructures and second microstructures.
Radiant Opto-electronics Corporation
06/25/15
20150177441
new patent

Pressure sensitive adhesive light guides


Optical devices include a light source and an optical article, where the optical article is an acid-free, non-yellowing pressure sensitive adhesive light guide. The light source is optically coupled to the light guide such that light emitted by the light source enters the light guide and is transported within the light guide by total internal reflection.
3m Innovative Properties Company
06/25/15
20150177440
new patent

Backlight unit and display apparatus having the same


A backlight unit includes a light source which emits a first light, a light guide bar extending in a first direction, where the light guide bar receives the first light through an incident surface thereof, and guides the first light to convert the first light to a second light, and a control pattern disposed on a surface of the light guide bar, which extends in the first direction, where the control pattern converts the second light to a third light, and has a shape extending in the first direction to control an exit angle of the third light.. .
Samsung Display Co., Ltd.
06/25/15
20150177438
new patent

Display having backlight with narrowband collimated light sources


A display has an array of display pixels formed from display layers such as one or more polarizer layers, a substrate on which an array of display pixel elements such as color filter elements and downconverter elements are formed, a liquid crystal layer, and a thin-film transistor layer that includes display pixel electrodes and display pixel thin-film transistors for driving control signals onto the display pixel electrodes to modulate light passing through the display pixels. A light source such as one or more laser diodes or light-emitting diodes may be used to generate light for the display.
Apple Inc.
06/25/15
20150177437
new patent

Light intensifier


A light intensifier comprising an arrangement and structured collaboration of one or more of fiber optics, acrylic light rods, optical lenses, mirrors, an ignition light source, an ignition power source, and casing. The light intensifier produces a source of light that starts from an initial light source and results in an output of light that is increased in intensity as the sum of all its parts work in unison to form a constantly magnifying looping engine.
06/25/15
20150176793
new patent

Head lamp vehicles


A head lamp apparatus may include a light source that emits a first light, a light guide disposed in front of the light source and having an entrance through which the first light from the light source is incident, and an exit through which the first light emitted from the light source is collected and radiated; and a condensing lens disposed in front of the light guide to concentrate the first light radiated from the light guide.. .
Hyundai Mobis Co., Ltd.
06/25/15
20150176775
new patent

Display having backlight with narrowband collimated light sources


A display has an array of display pixels formed from display layers such as one or more polarizer layers, a substrate on which an array of display pixel elements such as color filter elements and downconverter elements are formed, a liquid crystal layer, and a thin-film transistor layer that includes display pixel electrodes and display pixel thin-film transistors for driving control signals onto the display pixel electrodes to modulate light passing through the display pixels. A light source such as one or more laser diodes or light-emitting diodes may be used to generate light for the display.
Apple Inc.
06/25/15
20150175066
new patent

Lighting apparatus of clock for vehicle


A lighting apparatus may include a printed circuit board (pcb) for supplying power, a light source electrically connected to the pcb and generating light, a reflector installed to be positioned at a front of the light source and positioned in a case and guiding the light generated from the light source together with the case, and a prism installed to be positioned at a front of the reflector and surround a dial plate and concentrating the light guided by the reflector and the case into the dial plate.. .
Kia Motors Corp.
06/18/15
20150172808

Microphone and accessory for microphone


A microphone includes a switch that turns on and off an audio signal; light sources that are turned on and off in response to the operation of the switch; a light-incident portion that receives light from the light sources; a light guide that directs the light in the longitudinal direction; and a light radiator having a light diffuser that diffuses light. The light guide has a thickness that decreases with the distance from the light-entering portions..
Kabushiki Kaisha Audio-technica
06/18/15
20150170850

Switch device


A switching device includes a holder, an operation knob, a ring-like antenna, and a circuit board on which wire connecting the antenna to an external circuit and a detection means (switching portion) for detecting an operation of the knob are disposed. A light source for illuminating a display on the knob is disposed on the circuit board.
U-shin Ltd.
06/18/15
20150170582

Lighting device, display device, and television device


A backlight unit 12 includes a light guide plate 16, first leds 17a, second leds 17b, first support members 28, and second support members 29. The first leds 17a are opposed to a first light entrance surface 16na that is a first edge surface 16e1 of the light guide plate 16.
Sharp Kabushiki Kaisha
06/18/15
20150168781

Direct-light type backlight module


A direct-light type backlight module includes a light guide module, and a light source module configured for optical coupling to the light guide module. The light guide module includes a back cover and a light guide plate fixed on the back cover.
Hon Hai Precision Industry Co., Ltd.
06/18/15
20150168770

Liquid crystal display device


An embodiment of the present invention provides a liquid crystal display device including: a backlight unit including a light guide plate under a liquid crystal panel and a light source at a first side of the light guide plate; a main frame surrounding the backlight unit and including a first guide wall and a first supporting portion, the first guide wall protruding from each corner of an upper surface of the main frame, and the supporting portion extending from adjacent two corners of the upper surface at the first side toward the backlight unit; a light-shielding tape attached on the upper surface of the main frame by being guided by the first guide wall and including a first chamfer portion at each corner and a protrusion at adjacent two corners at the first side, wherein the first chamfer portion and the protrusion correspond to the first guide wall and the first supporting portion, respectively; and a liquid crystal panel disposed over the backlight unit and attached on the light-shielding tape.. .
Lg Display Co., Ltd.
06/18/15
20150168638

Planar light source and producing light-emitting device


A planar light source comprises a light guide plate and a light-emitting apparatus disposed on a lateral surface of the light guide plate. The light-emitting apparatus comprises a light-emitting device, a case, and a sealing resin.
Toyoda Gosei Co., Ltd.
06/18/15
20150168636

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 Technologies, Inc.
06/18/15
20150168635

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 Technologies, Inc.
06/18/15
20150168634

Display device and backlight module thereof


A display device includes a backlight module and a display panel. The backlight module includes a light guide plate, a light source, a reflecting sheet and a light transmissible member.
Qisda Corporation
06/18/15
20150168633

Luminaire having a light guide


A luminaire, in particular a downlight, comprises a light source and a reflector, the reflector having a light entrance end and a light exit end, the light entrance end comprising at least one light entrance aperture with an edge and the light exit end comprising a light exit aperture. A luminaire shade encompasses the reflector at least partially.
Glashutte Limburg Leuchten Gmbh & Co. Kg
06/18/15
20150168630

Light guide panel, backlight unit, and liquid crystal display


A light guide panel includes a top surface configured to have first and second sides extending in x- and y-axis directions, respectively, a bottom surface configured to be disposed opposite to the top surface, and includes a base surface, and a plurality of diffusion patterns which is provided to protrude from, or to be recessed into, the base surface, and each of the plurality of diffusion patterns including a first inclined surface which defines a first inclination angle with the base surface and a second inclined surface which adjoins the first inclined surface and defines a second inclination angle with the base surface, and a first side surface and a second side surface configured to be disposed between the top surface and the bottom surface and face each other, where the first inclination angle ranges from about 1.8 degrees to about 5.7 degrees.. .
Samsung Display Co. Ltd.
06/18/15
20150168629

Backlight module


The present invention provides a backlight module, which includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2) and located at one side of the light guide plate (4), a light shield (8) arranged between the backlight source (6) and the backplane (2), and a side reflection plate (10) arranged between the light guide plate (4) and the backlight source (6). The backlight source (6) includes an led substrate (62) and a plurality of led lights (64) mounted on the led substrate (62).
Shenzhen China Star Optoeclectronics Technology Co.,ltd.
06/18/15
20150168628

Mat toy


A mat toy includes a mat and an illuminating module on the mat. The illuminating module has a light guide plate.
D.j. Toys Enterprise Corp.
06/18/15
20150168627

Light guide body, light emitting apparatus, and amusement machine


A light guide body configured to guide light that enters therein has a light exit surface through which light from the at least one light source exits, and a plurality of linearly arranged pattern groups, each of which has a plurality of linearly arranged reflection patterns that reflect the light from the at least one light source toward the light exit surface. At least one of the plurality of linearly arranged pattern groups differs from at least another of the plurality of linearly arranged pattern groups in light amount difference.
Omron Corporation
06/18/15
20150168299

Integrated sensor apparatus of vehicle


An integrated sensor apparatus of a vehicle is provided that includes a light emitter that is configured to emit a light source having an area of a predetermined range or greater to a first region of a windshield. A light receiver is configured to receive the light source emitted by the light emitter and reflected from the first region of the windshield and an external light source incident from the exterior to the windshield.
Hyundai Motor Company
06/18/15
20150167951

Electronic device with light-emitting diode array


Electronic devices may be provided with displays. A display may have a light guide plate.
Apple Inc.
06/18/15
20150164311

Two dimensional forward scanning probe


An optical scanning probe comprises a handle to receive a light beam from a light guide; a cannula, extending from a distal end of the handle; a fiber, positioned partially inside the handle and partially inside the cannula, to guide the received light beam toward a distal end of the cannula; a rotating scanner, rotatably positioned at least partially inside the cannula and configured to house a proximal portion of the fiber; and a deflecting scanner, movably coupled to a distal end of the rotating scanner, configured to deflect a distal portion of the fiber, wherein the distal portion of the fiber is configured to emit and scan the guided light in a target region.. .
Alcon Research, Ltd.
06/11/15
20150162900

Sample clock generator for optical tomographic imaging apparatus, and optical tomographic imaging apparatus


A sample clock generator includes a first optical path and a second optical path through which input lights are guided, an optical phase shifter to shift a phase of the input light guided through the first optical path, an interference-light generating unit to combine a phase-shifted input light and the input light guided through the second optical path to thereby generate an interference light for sample clock, a splitting unit to split the interference light for sample clock into two split lights having different phases, one light receiving unit to at least receive one split light from among the two split lights having different phases, the other light receiving unit to at least receive the other split light, a signal generating unit to generate a sample clock signal based on signals outputted from the one light receiving unit and the other light receiving unit.. .
Tomey Corporation
06/11/15
20150160633

Building automation controller with rear projecting light


An hvac controller may include a housing that is mountable on a vertical surface and a printed circuit board that is disposed within the housing. The printed circuit board may include a light source operably secured to the printed circuit board.
Honeywell International Inc.
06/11/15
20150160406

Backlight module and liquid crystal display device using the same


A backlight module used in a liquid crystal display (lcd) device is proposed. The backlight module includes a light source, a back bezel, a light guide plate (lgp), and an optical film.
Shenzhen China Star Optoelectronics Technology Co. Ltd.
06/11/15
20150160403

Edge-light type planar light source device


The present invention makes it possible to (i) obtain a sufficient and uniform luminance on an entire surface, which is irradiated with light, of a light guide plate and (ii) achieve a reduction in cost. Led light source substrates (140a) and (140b) are each configured to emit light having a first luminance gradient on an edge of a range, to be irradiated with light, which first luminance gradient is smaller than a second luminance gradient of light having a substantially uniform luminance on an entire range to be irradiated with light..
Sharp Kabushiki Kaisha
06/11/15
20150160401

Backlight and liquid-crystal display apparatus using the same


A backlight includes: a light guide plate on which blue light from the blue led falls; a quantum dot enhancement film laminated on the light guide plate and configured to convert blue light passing therethrough into light having peak characteristic for green and red; a frame configured to house the light guide plate and the quantum dot enhancement film, and an inner peripheral surface of the frame has a reflectivity not higher than 50% with respect to the blue light from the blue led.. .
Japan Display Inc.
06/11/15
20150160397

Display device and manufacturing method thereof


The present invention relates to the field of panel display technology, and provides a display device and a manufacturing method thereof. The display device includes a light guide plate; a light-emitting element located on one side of the light guide plate; and a light mixing unit located between the light guide plate and the light-emitting element which unit includes a sealed transparent container and a light mixing substance filled in the container, wherein the light mixing unit enables light from the light-emitting element to be subjected to one or more of scattering, refraction and diffusion.
06/11/15
20150160395

Light guide with light input features


A light guide includes opposed major surfaces between which light propagates by total internal reflection, and an edge extending between the major surfaces of the light guide and extending in a lateral direction orthogonal to the thickness direction. The edge includes light input features.
Rambus Delaware Llc
06/11/15
20150160394

Planar light source device and liquid crystal display device


The planar light source device 200 includes a laser light source 7, a light guide rod 4, and a reflection unit 6. The laser light source 7 emits laser light 71.
Mitsubishi Electric Corporation
06/11/15
20150160393

Solar light concentration plate


A solar light concentration plate comprises a first hologram which receives solar light and diffracts incident light in a range of an incident angle, and first and second light guides respectively disposed on both sides of the first hologram, wherein at least one of the first and second light guides has an outer surface substantially inclined to an inner surface of the at least one of the first and second light guides.. .
Samsung Display Co. Ltd.
06/11/15
20150160168

Light source unit and photoacoustic measurement apparatus using the same


It is desirable to more stably and efficiently transmit light in a housing of a light source unit. A light source unit 13, which emits a laser beam l to a light guide part 40, includes: a unit housing 13b that includes a connector receiving portion 51b detachably connected to a connector portion 51a; a light source 30 that is installed in the unit housing 13b and outputs the laser beam l; a diffusion part 80 that diffuses the laser beam l output from the light source 30; a condensing lens system 81 that condenses the laser beam l diffused by the diffusion part 80; and an optical fiber 82a that transmits the laser beam l, which is condensed by the condensing lens system 81, to the connector receiving portion 51b.
Fujifilm Corporation


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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