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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


Charged particle emission device and air-blowing device

Sharp

Charged particle emission device and air-blowing device

Diffractive luminaires

3m Innovative Properties

Diffractive luminaires

Date/App# patent app List of recent Light Guide-related patents
04/23/15
20150110382
 Image sensor unit, image reading apparatus, and paper sheet distinguishing apparatus patent thumbnailnew patent Image sensor unit, image reading apparatus, and paper sheet distinguishing apparatus
An image sensor unit includes: a plurality of light sources each including an led chip; a plurality of light guides that are arranged in parallel to face incident surfaces on one side in a longitudinal direction for each of the plurality of light sources and that guide light from the plurality of light sources to a bill; an image sensor that converts light from the bill to an electric signal; a sensor substrate for mounting the image sensor; and a circuit board that is provided with the plurality of light sources on a same mounting surface and that is arranged on the sensor substrate on one side in the longitudinal direction of the plurality of light guides, wherein the sensor substrate includes a connection hole on one side in the longitudinal direction of the sensor substrate, and the circuit board is connected to the sensor substrate by connecting a connecting portion including a plurality of external connection pads to the connection hole.. .
Canon Components, Inc.
04/23/15
20150109821
 Diffractive luminaires patent thumbnailnew patent Diffractive luminaires
Extended area lighting devices, which are useful e.g. As luminaires, include a light guide and diffractive surface features on a major surface of the light guide.
3m Innovative Properties Company
04/23/15
20150109819
 Backlight module and liquid crystal display patent thumbnailnew patent Backlight module and liquid crystal display
Disclosed is a backlight module having light sources and a light guide plate, and the light guide plate has an incident side, and the lights emitted by the light sources pass through the incident side and enter into the light guide plate, and the a light direction changing layer is positioned at the incident side, and the light direction changing layer is employed for changing progress directions of the lights entering the incident side to shorten a distance perpendicular to the incident side from an intersection point of the lights emitted by adjacent light sources to the light sources. The present invention also discloses a liquid crystal display..
Shenzhen China Star Optoelectronics Technology Co., Ltd.
04/23/15
20150109816
 Light guide plate, light source device, and electronic apparatus patent thumbnailnew patent Light guide plate, light source device, and electronic apparatus
A light guide plate configured to guide light which is incident on an incidence surface of a plate-shaped member so as to be emitted from an emission surface includes: a light amount adjusting unit configured to adjust the amount of light emitted from an excessive light amount region of the emission surface, wherein the light amount adjusting unit is provided on one of the incidence surface and the emission surface, corresponding to the excessive light amount region.. .
Nikon Corporation
04/23/15
20150109815
 Illumination apparatus patent thumbnailnew patent Illumination apparatus
An illumination apparatus includes a light source that emits light, a light guide member that has a base end surface onto which the light emitted from the light source is incident and a tip surface which is an opposite end surface to the base end surface, and guides the light from the base end surface towards the tip surface, and an attachment member that has a light shield property and an opening corresponding to a shape of the light guide member and accommodates the light guide member in the opening. The light guide member is curved so that a distance between the light guide member and the opening is gradually increased towards the tip surface-side in a longitudinal direction of the light guide member..
Toyoda Gosei Co., Ltd.
04/23/15
20150109813
 Light with asymmetric distribution pattern patent thumbnailnew patent Light with asymmetric distribution pattern
A light guide projects light in an asymmetric pattern. The light guide is installable with respect to a light emitting diode (“led”) and extends along an optic axis.
Heathco, Llc
04/23/15
20150109808
 Vehicle lamp patent thumbnailnew patent Vehicle lamp
The present disclosure provides a technology of achieving a compact configuration of efficiently guiding a light incident on an incident portion to an emitting portion. The vehicle lamp includes a light guide lens.
Koito Manufacturing Co., Ltd.
04/23/15
20150109791
 Solid state light with enclosed light guide and integrated thermal guide patent thumbnailnew patent Solid state light with enclosed light guide and integrated thermal guide
A solid state light having a solid state light source such as leds, a light guide having an enclosed interior volume such as a bulb shape without vents, and a thermal guide. The light guide is coupled to the light source for receiving and distributing light from the light source.
3m Innovative Properties Company
04/23/15
20150109757
 Luminous keyboard device patent thumbnailnew patent Luminous keyboard device
A luminous keyboard device includes a keypad module, a supporting plate, a flexible circuit board, a light-emitting element, a reflective layer, and a light guide plate. The supporting plate includes plural receiving parts.
Primax Electronics Ltd.
04/23/15
20150109679
 Head mounted display patent thumbnailnew patent Head mounted display
A display that includes a frame to be worn on a head of an observer, two image creation devices, two light guides to guide light beams output from the image creation devices and to output the light beams toward pupils of the observer, and an optical plate attached to a center part of the frame and attached to a periphery part of the light guides via an adhesive. The center part of the frame is thicker than an outside part of the frame..
Sony Corporation
04/23/15
20150109678
new patent

Image display apparatus


Where an axial direction of the light guide plate is the y-direction, wy represents the width in the y-direction of the light incident on the light guide plate, t represents the thickness of the light guide plate, and θ represents the total reflection angle.. .
04/23/15
20150109546
new patent

Reflection type display module and electronic device using the same


An electronic device includes a housing and a display module received in the housing. The display module includes a display panel, a touch panel positioned on the display panel, a light guide plate positioned on the touch panel, a light source positioned at a side of the light guide plate, and a hardened layer positioned on the light guide plate.
Hon Hai Precision Industry Co., Ltd.
04/23/15
20150109449
new patent

Vehicular lamp with a built-in camera


A vehicular lamp includes a light source that illuminates a vehicle periphery; a camera that images the vehicle periphery; and a shield structure configured to protect an image from the camera from light of the light source. The shield structure may include a shield ring configured to shield a light receiving portion of the camera from light of the light source; a light guide member that guides the light of the light source in a direction away from the light receiving portion of the camera; a control circuit that operates the camera only at a timing when the light source, flashing in a short cycle, is off; and an image processing circuit that removes a colored light component of the light source from image data of the camera..
Koito Manufacturing Co., Ltd.
04/23/15
20150109352
new patent

Display device, electronic apparatus, and driving display device


According to an aspect, a display device includes an image display panel; a planar light source including a light guide plate and an edge-lit light source that has light sources; and a controller. The controller sets luminance determination blocks by virtually dividing the image display panel in a light-source-arrangement-direction, identifies a luminance determination block with a highest luminance in the incidence direction, among luminance determination blocks at a same position in the light-source-arrangement-direction, identifies a luminance determination block the luminance of which is to be corrected by referring to luminance information of the light sources, and controls a light quantity of each of the light sources in such a manner that luminance of the identified luminance determination block is achieved..
Japan Display .inc.
04/23/15
20150109351
new patent

Display device, electronic apparatus, and driving display device


According to an aspect, a display device includes: an image display panel; and a planar light source including a light guide plate and an edge-lit light source, the light guide plate illuminating the image display panel from a back side, the edge-lit light source including a plurality of light sources arranged facing a plane of incidence; and a controller that controls luminance of each of the light sources independently. The controller stores therein, as lookup tables for the respective light sources, information on light intensity distributions of light that is incident on the light guide plate from the respective light sources and is emitted to a plane of the image display panel from the light guide plate, and controls a light quantity of each of the light sources based on information on an input signal of an image, and on the lookup tables..
Japan Display Inc.
04/23/15
20150109271
new patent

Display device and use thereof


The display device has a sensor system with at least one sensor for detecting the intensity or colour of light emitted from at least one display area of the display device into the viewing angle of the display device. The sensor system further has in one embodiment an at least partially transparent sensor.
Barco N.v.
04/23/15
20150108742
new patent

Illuminated emblem assembly for connection to an airbag cover


Multi-piece constructions for an illuminated emblem assembly for connection to an airbag cover are provided herein. An airbag assembly can include an airbag cover, an emblem portion having one or more translucent areas and an illumination source.
Tasus Canada Corporation
04/23/15
20150108364
new patent

Charged particle emission device and air-blowing device


A charged particle emission and air-blowing device includes a communication port biased toward an end portion in a predetermined direction with respect to an air outlet, and a width expander configured to widen a flow path between an air directing plate of the end portion and a second blowing duct wider than a periphery. Emitted light from a light guide plate is reflected by the air directing plate in the delivery direction of an air flow.
Sharp Kabushiki Kaisha
04/23/15
20150107974
new patent

Keyboard equipped with light emitting structure


A keyboard equipped with light emitting structure comprises a plurality of keycap portions and a light guide command circuit board which includes an upper light guide plate, a lower light guide plate and a middle plate located between the upper and lower light guide plates. The upper and lower light guide plates have respectively an upper trigger portion and a lower trigger portion at one side facing the middle plate.
Zippy Technology Corp.
04/16/15
20150103559

Backlight assembly and liquid crystal display


Disclosed herein are a backlight assembly and a liquid crystal display (lcd) having the same, wherein the backlight assembly includes a light guide panel having a plurality of lateral sides; and a plurality of light source units each emitting light to a respective lateral side of the plurality of lateral sides, wherein at least two lateral sides of the plurality of lateral sides, which receive light emitted from two respective light source units of the plurality of light source units, are neighboring lateral sides, and wherein at least one lateral side is longer than an incident surface which receives light emitted from the light source unit.. .
Samsung Electronics Co., Ltd.
04/16/15
20150103555

Lighting device with a mixing light guide body


Lighting device (1) for coupling light into a fiber optic element (3), comprising at least one light source (2) and a light guide body (4). The light guide body is designed in the form of an intersecting/penetrating body (5) with multiple light inlet surfaces (6, 6′) and with a light outlet surface (7) for the spectral and energetic homogenization of the outlet-side luminous flux (luminous intensity distribution) of the light guide body (4).
Volpi Ag
04/16/15
20150103393

Reflective display apparatus and manufacturing reflective display apparatus


A reflective display apparatus including at least one front-light module, a first frame, a first liquid, and a display unit is provided. The at least one front-light module includes a light source and a light guide plate.
E Ink Holdings Inc.
04/16/15
20150103259

Lighting device, display device and television device


A backlight device 12 includes leds 17, a light guide plate 16, an optical member 15, and a transparent plate 30. The light guide plate 16 includes a front plate surface configured as a light exit surface 16a and opposing side-surfaces configured as light entrance surfaces 16b, 16b.
Sharp Kabushiki Kaisha
04/16/15
20150103258

Lighting device, display device and television device


A backlight device 12 includes a led 17, alight guide plate 19 having an end surface as a light entrance surface 19b and a plate surface as a light exit surface 19a, a led board 18 having a square plate surface that is opposed to the light entrance surface 19b, a board-side connector 22 arranged on the led board 18, and a heat dissipation member 20. The heat dissipation member 20 has a positioning hole 26 that is through the heat dissipation member 20 and with which the led board 18 is positioned with respect to the heat dissipation member 20.
Sharp Kabushiki Kaisha
04/16/15
20150103051

Infrared touch and hover system using time-sequential measurements


A touch and hover-sensitive sensor system is provided. The system may include a planar light guide that has a plurality of light sources located along a first edge of the light guide and a plurality of light sensors located along a second edge of the light guide orthogonal to the first edge.
Qualcomm Incorporated
04/16/15
20150102203

Method and bending led light guides


An article of manufacture includes a jig including a flat surface with a curved groove therein; a light guide located within the curved groove, the light guide including an internal groove; and a bend-aid located in the internal groove of the light guide.. .
Kieffer & Co., Inc.
04/16/15
20150101652

Light guide apparatus and fabrication method thereof


A light guide apparatus that can redirect light impinging on the apparatus over a wide range of incident angles and can concentrate light without using a tracking system and methods for fabrication.. .
04/09/15
20150099983

Tapered optical guide


Disclosed are various embodiments for a tapered optical guide which may be used to guide light from a light source to a tubular element. Light guided through the tubular element may be projected onto a cavity surface for imaging.
United Sciences, Llc
04/09/15
20150099981

Tubular light guide


Disclosed are various embodiments for scanning a cavity surface using a tubular element comprising an inner wall and an outer wall. The tubular element may be designed to guide and approximately collimate light received from a light source from the first end of the tubular element to the second end of the tubular element.
United Sciences, Llc
04/09/15
20150098866

Light guide test sensor


An optic light guide test sensor comprises a light guide, a reagent-coated membrane, and a mesh layer. The reagent-coated membrane and the mesh layer are attached to the light guide at an output end of the light guide.
Bayer Healthcare Llc
04/09/15
20150098249

Guide plate and backlight assembly including the same


Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion.
Samsung Display Co., Ltd.
04/09/15
20150098247

Backlight assembly and display device having the same


A backlight assembly includes a light source, a circuit board on which the light source is disposed, a light guide plate having a light incident surface and a light emitting surface, a bottom case accommodating the light guide plate, a fixing frame coupled to the bottom case and fixing the circuit board, and a heat dissipation apparatus disposed between the light source and the light guide plate and including a light-transmitting unit that transmits light.. .
Samsung Display Co., Ltd.
04/09/15
20150098246

Light guide plate and related backlight module


A light guide plate disclosed in the present disclosure includes a board body, a prism component and at least one optical microstructure. The prism component is disposed on at least one surface of the board body.
Wistron Corporation
04/09/15
20150098244

Led backlight module and the corresponding liquid crystal display


The present invention discloses a led backlight module, which comprises a backplane; a side-type backlight source, which comprises a backlight source substrate and multiple light emitting diodes provided on the backlight light source substrate; a reflector, which is provided on the backplane; multiple light guides provided on the reflector in parallel, each light guide being provided with at least one light-incident surface and one light-emitting surface, the light-incident surface of the light guide being opposite to the led; diffusers provided on the multiple light guides, which are opposite to the light-emitting surface of the light guide; and an optical film set, which is located above the diffuser. The embodiment of the present invention further discloses the corresponding liquid crystal display.
Shenzhen China Star Optoelectronics Technology Co. Ltd.
04/09/15
20150098243

Illumination device with spaced-apart diffractive media


This disclosure provides systems, methods and apparatus for an illumination system. In one aspect, the illumination system is a light guide that includes spaced-apart regions of medium containing diffractive features.
Qualcomm Mems Technologies, Inc.
04/09/15
20150098242

Light source apparatus


Provided is a light source apparatus including a plurality of semiconductor light sources that output beams of light having different wavelengths; a plurality of light collimating portions that convert the respective beams of light output from these light sources to collimated light beams; a combining portion that combines the plurality of collimated beams produced by these light collimating portions into a single light path; a light guide whose entrance end is disposed in the single light path; a focusing portion that focuses the collimated beams combined by the combining portion onto the entrance end; and a light-distribution-characteristics adjusting portion that adjusts beam diameters of the plurality of beams of light so that numerical apertures of the plurality of beams of light incident on the entrance end become substantially equal.. .
Olympus Corporation
04/09/15
20150098118

Dual-slope light guide, light source module and optical assembly for scanner


A dual-slope light guide includes a first surface, a second surface and a curved surface. The first surface has first reflecting structures.
Avision Inc.
04/09/15
20150098090

Optical position-measuring device


A position-measuring device for detecting the position of two objects movable relative to each other, includes a measuring standard that is joined to one of the two objects, as well as a scanning system for scanning the measuring standard, the scanning system being joined to the other of the two objects. The scanning system permits a simultaneous determination of position along a first lateral shift direction and along a vertical shift direction of the objects.
Dr. Johannes Heidenhain Gmbh
04/09/15
20150098044

Liquid crystal display device


There is provided a liquid crystal display device including a liquid crystal display panel and a backlight. The backlight includes a light guide plate with multiple leds arranged on a side surface, and a first optical sheet provided on the light guide plate.
Japan Display Inc.
04/09/15
20150098026

Display device and television device


A liquid crystal display device 10 includes an led 17, a liquid crystal panel 11, a light guide plate 16 including a light exit surface 16a, an opposing surface 16c, and a light entrance surface 16b, a chassis 14 having a bottom plate 14a, a frame 13, an led board 18, a heat dissipation member 19 having heat dissipation properties, and a fixing screw 40. The heat dissipation member 19 includes a contact portion 19c being in contact with an end portion of the opposing surface 16c on alight entrance surface 16b side, a bottom portion 19b arranged on and along the bottom plate 14a and a stand-up portion 19a projecting from the bottom portion 19b toward the liquid crystal panel 11.
Sharp Kabushiki Kaisha
04/09/15
20150098025

Lighting device, display device, and television device


A back light unit (lighting device) 12 includes an led (light source) 17, a light guide plate 16 including a light entrance surface 16b and a light exit surface 16a, led boards 18 each including a plate surface facing the light entrance surface 16b and board relay terminals 22 configured to relay power to the led 17, and a relay wiring member (relay member) 28 electrically connecting between the board relay terminals 22 and a power source board (power) pwb. The light entrance surface 16b faces the led 17.
Sharp Kabushiki Kaisha
04/09/15
20150097998

Imaging device and producing the same


An imaging device includes a pixel circuit region that includes a plurality of pixel circuits arranged in an array therein and a plurality of light guide portions. The imaging device also includes a peripheral circuit region that is positioned at a periphery of the pixel circuit region and includes a peripheral circuit.
Canon Kabushiki Kaisha
04/09/15
20150097873

Head-mounted display device and control the head-mounted display device


A head-mounted display device includes: an image display unit including an image-light generating unit that generates image light representing an image and emits the image light and a light guide unit that guides the emitted image light to the eye of a user, the image display unit being for causing the user to visually recognize a virtual image; and a control unit that includes an operation surface, is connected to the image display unit, and controls image display by the image display unit. When it is assumed that the user shifts the user's attention from the virtual image, the control unit adjusts the luminance of the image-light generating unit or adjusts the image light generated by the image-light generating unit to reduce the visibility of the virtual image..
Seiko Epson Corporation
04/09/15
20150097110

Light guide sensor, and forming light guide sensor


A light guide sensor includes a light source, a light guide member comprising a core which guides light radiated from the light source, a cladding formed around the core, and at least one detecting portion is formed, and a light receiving unit which receives the light that has been guided by the member and has passed via the detecting portion. The detecting portion includes a first opening formed by removal in the outer circumference of the member so that at least part of the cladding is left by a thickness such as not to transmit the light from the core, and a second opening formed within the range of the first opening to transmit the light from the core.
Olympus Corporation
04/09/15
20150096487

Dial plate structure and automotive meter


A dial plate structure of a vehicular combination meter includes a dial plate; a light guide disposed back side of the dial plate, the light guide receiving light from a three-dimensional scale light source incident upon a proximal end side thereof; three-dimensional scale marks protruding and disposed on a distal end side of the light guide, the three-dimensional scale marks protruding from through holes perforated in the dial plate; a dimming white print formed on the back surface of the dial plate; and a hard coat clear print formed on the back surface of the dial plate so as to cover at least portions of the dimming white print opposed to the three-dimensional scale marks.. .
Yazaki Corporation
04/02/15
20150094699

Multi-spot laser surgical probe using faceted optical elements


An optical surgical probe includes a handpiece having a metal cannula at a distal end, a light guide within the metal cannula that carries a light beam from a light source through the metal cannula, and a multi-spot generator formed within a distal opening of the metal cannula that seals the distal opening of the metal cannula. The multi-spot generator includes a proximally-facing faceted end surface spaced from a distal end of the light guide that includes at least one facet oblique to a path of the light beam and a ball lens located distal to the faceted end surface.
Alcon Research, Ltd.
04/02/15
20150094154

Game machine


A game machine has an operation lever device disposed on a front side of the game machine, having a lever having a grip section that is configured to be held by a game player and that rotates bi-directionally with respect to a shaft, a light guide plate disposed on the grip section of the lever in a viewable manner, a light source section that supplies light into the light guide plate. The grip section is formed into a long shape.
Omron Corporation
04/02/15
20150094149

Operation unit and game machine


An operation unit has a touch panel that senses a press, a button plate disposed above the touch panel, and having a plurality of push buttons, each of which protrudes on a side opposite to a side where the touch panel is disposed, a light guide plate disposed between the touch panel and the button plate, and a light emission pattern disposed on a surface of the light guide plate that forms an image by emitted light. The button plate is provided along a surface of the touch panel and has a base section comprising apertures at respective positions where the plurality of push buttons are formed, top surface sections, each of which constitutes corresponding one of the plurality of push buttons and serving as an operation surface..
Omron Corporation
04/02/15
20150092445

Spread illuminating apparatus


A spread illuminating apparatus includes a point light source with a light-emitting surface, a circuit board with a mounting surface on which the point light source is mounted, and a light guide plate with an incident light surface and an emitting surface. The circuit board is arranged as that at least a partial portion of the circuit board extends beyond an area where the point light source is mounted so as to be superposed on the light guide plate, a light-reflecting member is arranged on the mounting surface, and a region of the mounting surface in which the light-reflecting member is arranged includes a first region that extends forward from a position corresponding to the center of the light-emitting surface of the point light source..
Minebea Co., Ltd.
04/02/15
20150092444

Light guide and light emitting device


A light guide including a plurality of reflection patterns in a reflection area in a facing surface facing a light exit surface, which area corresponds to a light emitting area, and the reflection patterns are arranged so that an amount of light reflected by the reflection patterns, emitted from the light emitting area to arrive at an observer observing the light exit surface is continuously changed in accordance with a position in the light emitting area.. .
Omron Corporation
04/02/15
20150092441

Light guide body and light-emitting device


An exit surface of a light guide plate includes a first position from which first emitted light is emitted within an angular range that causes the first emitted light to be applied to one eye and the vicinity thereof and a second position from which second emitted light is emitted within an angular range that causes the second emitted light to be applied to the other eye and the vicinity thereof. A straight line that passes through the first position and the center of the one eye and a straight line that passes through the second position and the center of the other eye intersect with each other..
Omron Corporation
04/02/15
20150092440

Light guide panel, back light assembly and diplay apparatus each having the light guide panel and manufacturing the light guide panel


A light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface..
Samsung Display Co., Ltd.
04/02/15
20150092439

Lighting assembly with adjustable light output


A lighting assembly includes a light guide having opposed major surfaces between which light propagates by total internal reflection, a light input edge, and two light output regions of different optical characteristics and at least one of which is associated with a corresponding one of the major surfaces. The lighting assembly also includes a light source located adjacent the light input edge.
Rambus Delaware Llc
04/02/15
20150092434

On-vehicle interior illuminating device


An object of the present invention is to provide an on-vehicle interior illuminating device able to show the light moving with a small number of light sources and to reduce cost. The on-vehicle interior illuminating device includes: a light guide member; one light source unit; the other light source unit; and a control unit.
Yazaki Corporation
04/02/15
20150092390

Lighting assembly for display illuination


A lighting assembly for a vehicle instrument panel includes a light guide supported within a light housing proximate to a light source. The light guide includes a top surface with a plurality of prisms for efficiently transmitting light toward a display and operator.
Continental Automotive Systems, Inc.
04/02/15
20150092385

Display apparatus


A display apparatus includes a display panel which displays an image, a polarizing member including a first polarizing film on a lower surface of the display panel and a second polarizing film on an upper surface of the display panel, a light guide plate which receives the display panel and is adhered to the first polarizing film, and a reflecting sheet extending from a lower surface of the light guide plate to the upper surface of the display panel and covering the light guide plate and a portion of the display panel.. .
Samsung Display Co., Ltd.


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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