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Light Guide patents



      

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




Date/App# patent app List of recent Light Guide-related patents
05/19/16
20160143094 
 Display device patent thumbnailDisplay device
A display device includes a circular display panel, an encapsulation substrate on the circular display panel, and an optical element interposed between the circular display panel and the encapsulation substrate, the optical element including a light guide member having a ring shape to correspond to a boundary of the circular display panel, the light guide member configuring a boundary of the optical element.. .
Samsung Display Co., Ltd.


05/19/16
20160142688 
 Image display apparatus patent thumbnailImage display apparatus
An image display apparatus includes a light source, a light valve, at least one light guide optical system of a first light guide optical system or a second light guide optical system, a first cooling unit configured to cool at least one of the light source, the light valve, the first light guide optical system, or the second light guide optical system, an inlet port, a second cooling unit configured to cool at least one of the light source, the light valve, the first light guide optical system, or the second light guide optical system, and a filter disposed in an air path from the inlet port to a member to be blown by an air blowing fan. A radiator is disposed between the inlet port and the filter..
Canon Kabushiki Kaisha


05/19/16
20160141318 
 Method and system for assembly of radiological imaging sensor patent thumbnailMethod and system for assembly of radiological imaging sensor
An imaging sensor having a coupling portion consisting of a plurality of resist portions that act as a light guide to direct light from a fiber optic plate to an imaging die layer. The resist portions can be formed through a photolithographic process to define an air gap between adjacent resist portions.
Teledyne Dalsa, Inc.


05/19/16
20160141148 
 Plasma process apparatus having view port patent thumbnailPlasma process apparatus having view port
A plasma process apparatus includes a process chamber including a view port, a window plate disposed in the view port of the process chamber, and a light guide disposed on a surface of the window plate facing toward an interior of the process chamber, the light guide including openings extending in one direction in parallel to each other.. .

05/19/16
20160139451 
 Electronic device and manufacturing method thereof patent thumbnailElectronic device and manufacturing method thereof
An electronic device is provided. The electronic device includes a liquid-crystal display module, a diffuser, a prism sheet, a light guide, a back panel and an outer frame.
Wistron Corp.


05/19/16
20160139330 
 Light source device and display apparatus patent thumbnailLight source device and display apparatus
Provided are a light source device which is capable of constantly maintaining an interval between the light source and the light guide plate when the light guide plate is thermally expanded by a simpler configuration without adding a separate component, while suppressing the manufacturing costs, and a display apparatus. The light source device includes a light guide plate for emitting light made incident on one side surface from one surface thereof, a light source disposed on the one side surface side of the light guide plate, and a rear housing body for housing the light guide plate and the light source, wherein a heat spreader, which holds the light guide plate and the light source and transfers heat emitted from the light source to a bottom surface of the rear housing body, is configured to slide on the bottom surface of the rear housing body, such that the light source which is held together with the light guide plate by the heat spreader also slides according to an expansion and contraction of the light guide plate..
Sakai Display Products Corporation


05/19/16
20160139329 
 Light source device and display apparatus patent thumbnailLight source device and display apparatus
Light sources are disposed to face two opposite end surfaces of light guide plate. Cutout parts are provided at respective centers of other two opposite end surfaces of the light guide plate.
Sakai Display Products Corporation


05/19/16
20160139328 
 Light emitting device patent thumbnailLight emitting device
A light emitting device (1) is provided comprising a light source (2) adapted for, in operation, emitting light (13) with a first spectral distribution, a first luminescent light guide (4) comprising a first light input surface (41) and a first light exit surface (42) extending at an angle different from zero to one another, and being adapted for receiving the light (13) with the first spectral distribution at the first light input surface (41), converting the light (13) with the first spectral distribution to light (14) with a second spectral distribution, guiding the light (14) with the second spectral distribution to the first light exit surface (42) and coupling the light (14) with the second spectral distribution out of the first light exit surface (42), and a first transparent heat sink element (3) arranged adjacent to at least one surface of the first luminescent light guide (4) and in the optical path between the light source (2) and the first luminescent light guide (4), the at least one surface being different from the light exit surface (42), wherein the first transparent heat sink element (3) is adapted for redirecting light by means of any one of refraction and diffraction.. .
Koninklijke Philips N.v.


05/19/16
20160139327 
 Backlight unit, display device comprising the same and  manufacturing the same patent thumbnailBacklight unit, display device comprising the same and manufacturing the same
A backlight unit includes first light guide plates (lgps) provided in a line shape, and second lgps provided in a line shape and disposed between the first lgps. The backlight unit may include a controller configured to control a plurality of light sources to provide a light to the first lgps when a three-dimensional (3d) image is displayed on a display panel that receives the light from at least one of the first lgps and the second lgps, and to provide the light to the first lgps and the second lgps when a two-dimensional (2d) image is displayed on the display panel..
Samsung Electronics Co., Ltd.


05/19/16
20160139326 
 Backlight unit, display device comprising the same and  manufacturing the same patent thumbnailBacklight unit, display device comprising the same and manufacturing the same
A display device includes a backlight unit. The backlight unit may include a first light guide plate (lgp) comprising a first optical material and a second optical material.
Samsung Electronics Co., Ltd.


05/19/16
20160139324 

Laminate, producing laminate, light guide body for light source devices, and light source device


A laminate which comprises a core layer, a first cladding layer, a second cladding layer and a light reflecting layer, and wherein the light reflecting layer, the second cladding layer, the core layer and the first cladding layer are sequentially laminated. The refractive index of the first cladding layer and the refractive index of the second cladding layer are lower than the refractive index of the core layer, and the light reflecting layer has a thickness of 50 μm or more..
Mitsubishi Rayon Co., Ltd.


05/19/16
20160139323 

Flat light guide


The present disclosure describes a flat lightguide configured to be illuminated by one or more small light sources, such as light emitting diode (led) light sources. The one or more small light sources inject light into an end of a stepped lightguide that includes light redirecting elements capable of changing the direction of the light to exit perpendicular to the stepped lightguide and enter an edge of a planar lightguide..
3m Innovative Properties Company


05/19/16
20160139320 

Backlight unit


A backlight unit includes a printed circuit board; a light source on the printed circuit board; a light guide plate that receives light emitted from the light source on one surface and directs light outwards through another surface; and a light blocking unit between the light source and the light guide plate. The light blocking unit may be spaced apart from the light guide plate..
Samsung Display Co., Ltd.


05/19/16
20160139319 

Backlight module and liquid crystal display device


The present invention discloses a backlight module, which includes: a backplane, which has a sidewall; a light guide plate, which is carried on the backplane and includes a light incidence end section, a light exit surface, and a bottom surface opposite to the light exit surface; a light source, which is mounted on the sidewall and adjacent to the light incidence end section; an intermediate frame, which is set on and covers the light guide plate and the light source; a first retention slot, which is formed in the light incidence end section and has an opening facing the intermediate frame; a second retention slot, which is formed in the light incidence end section and close to the first retention slot and has an opening facing the backplane; a first quantum dot strip, which is received in the first retention slot; and a second quantum dot strip, which is received in the second retention slot. The present invention also discloses a liquid crystal display device.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


05/19/16
20160139318 

Backlight module and display apparatus


The present disclosure provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a light source located at one side of the light guide plate at the light incident surface, a lampshade accommodating the light source and being provided with an opening structure with an adjustable size and/or position, and a control device for adjustment of the size and/or position of the opening structure on the lampshade.
Hefei Boe Optoelectronics Technology Co., Ltd.


05/19/16
20160139317 

Light emission module and light guide plate and manufacturing method thereof


A light emission module and a light guide plate and a manufacturing method thereof are provided. The light guide plate is configured to guide the light received and has a first lateral surface and a tongue extending from the first lateral surface toward a light source.
Darfon Electronics Corp.p.


05/19/16
20160139316 

Wall wash luminaire with light guide and optical element therefore


A light shaping article includes a solid optic having a cross-sectional profile including an input interface; a convex output surface opposite the input interface; a concave first side surface extending between the input interface and the convex output surface; and a second side surface opposite the concave first side surface extending from between input interface to the convex output surface. The concave first side surface and the convex output surface are configured such that, when the solid optic receives input light having an input angular range in a plane of the cross-sectional profile, the solid optic guides the light to and emits the light from the output surface in an output angular range in the plane.
Quarkstar Llc


05/19/16
20160137122 

Headlight unit and headlight


A headlight unit includes: a light source that emits a light beam for irradiating a forward area in a traveling direction; a light guide portion that receives the light beam and forms planar light having a divergence angle; a projection lens portion that projects the planar light forward; and a drive unit that changes a position of the projection lens portion. The drive unit is disposed in a region overlapping with the projection lens portion, as optically viewed from an optical axis direction of the light guide portion or the projection lens portion..
Mitsubishi Electric Corporation


05/19/16
20160135689 

Photoacoustic image-generating apparatus and light source control method


At least a tip portion of a puncture needle 15 is inserted into a subject. The puncture needle 15 includes a light guide member which guides light from a laser unit 13, and a light emission unit which is provided in the vicinity of the tip portion and emits light guided by the light guide member, and generates a photoacoustic wave caused by light from the light emission unit in the tip portion.
Fujifilm Corporation


05/12/16
20160134776 

Original reading reading image of an original


A light guide includes a plurality of boss portions. A round hole portion is provided near the center of a base member for fixing the light guide, and slit portions are provided on both ends thereof.
Canon Kabushiki Kaisha


05/12/16
20160134775 

Light irradiator, image reader and image forming apparatus


Wherein s1 represents a divided cross-sectional area near the reading optical axis and s2 represents a divided cross-sectional area far from the reading optical axis when a virtual cross-sectional area s parallel to the incident surface of the light guide is divided by a plane passing the center of the incident surface, formed by a direction perpendicular thereto and the incident surface and the main scanning direction; s (x) represents a virtual cross-sectional area distant from the incident surface of the light guide by x; l is a distance from the incident surface to the emission surface; and 0≦x<l.. .

05/12/16
20160134063 

Electrical connector assembly with a light guide member


An electrical connector assembly includes a connector, an inner printed circuit board, and a light guide member made of transparent or semitransparent material. The connector comprising an insulative housing and a plurality of contacts received in the insulative housing, and each contact has a contacting portion and a soldering portion.
Dongguan Xuntao Electronic Co., Ltd.


05/12/16
20160131927 

Liquid crystal display device


Provided is a liquid crystal display device that is narrow in viewing angle and that is capable of excellent image quality. The liquid crystal display device of the present invention includes: a liquid crystal panel; a prism sheet; a light guide plate; and a visible light absorber, which are provided in the stated order from a viewer side.
Nitto Denko Corporation


05/12/16
20160131907 

Thin curved eyepiece for see-through 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 eye-ward facing surface, a world facing surface, and a recess disposed in the world facing surface in the viewing region.
Google Inc.


05/12/16
20160131898 

Projection display apparatus


A projection display apparatus includes a light source configured to emit a first light, a reflective light modulator configured to modulate the first light to form a second light conveying a rendered image, a polarizer and a light guide plate. The light guide plate can include a plurality of optical elements embedded in the thickness of the light guide plate or provided on an outer surface of the light guide plate.
Himax Display, Inc.


05/12/16
20160131831 

Illumination device, display device, and tv receiver


An illumination device, including: a light source; a light guide plate having a light-entering face into which light from the light source enters and a light-exiting surface; a reflective sheet covering at least a portion on a light-entering face side of a bottom surface of the light guide plate; a chassis on a side of the reflective sheet opposite to the light guide plate, including at least a plate-shaped portion along the bottom surface of the light guide plate and a cut-out in the plate-shaped portion on the light-entering face side; and an opposite-side member on a side of the chassis opposite to the light guide plate, including a protrusion protruding from a light guide plate-side of a top surface of the opposite-side member through the cut-out towards the light guide plate, a top of the protrusion supporting a portion of the reflective sheet on the light-entering face side.. .
Sharp Kabushiki Kaisha


05/12/16
20160131830 

Chassis for display backlight


An electronic device may be provided with a display. Backlight structures may be used to provide backlight for the display.
Apple Inc.


05/12/16
20160131829 

Backlight assembly and display device having the same


A backlight assembly includes a light guide plate (lgp) having a stepped portion formed at a corner of the lgp, an optical sheet disposed over the lgp and a receiving container receiving the lgp and the optical sheet. The receiving container includes a bottom plate, first through fourth sidewalls and a first lgp fixing portion.
Samsung Display Co., Ltd.


05/12/16
20160131828 

Illumination device, display device, and tv receiver


A backlight device of the present invention includes: a light guide plate having light-entering faces on opposing end faces thereof and a light-exiting surface on the front surface thereof; leds arranged selectively along one section of the light-entering faces of the light guide plate; a front cabinet arranged on a side of the light-exiting surface of the light guide plate and having a frame-like shape along a periphery of the light guide plate; and a rear cabinet arranged on a side of the light guide plate opposite to the front cabinet such that the rear cabinet and the front cabinet sandwich the light guide plate therebetween. The rear cabinet has a fixed portion that is disposed facing a section of the light-entering face that does not correspond to the one section where the leds are selectively arranged, and the fixed portion is fixed to the front cabinet..
Sharp Kabushiki Kaisha


05/12/16
20160131827 

Backlight assembly and display device having the same


A backlight assembly and display device having the same. The backlight assembly may include a light source, a light guide formed at one side of the light source, at least one optical sheet disposed on the light guide and have first to fourth sides and first to fourth corners and a mold frame which accommodates and fixes the optical sheet, wherein the optical sheet includes a first tab which protrudes in a same plane as the optical sheet and in a direction perpendicular to the second side while being adjacent to the second corner, and a second tab which protrudes in the same plane as the optical sheet and in a direction perpendicular to the third side and is disposed to be between and spaced apart from the third corner and the fourth corner..
Samsung Display Co., Ltd.


05/12/16
20160131826 

Lighting device, display device, and television device


A backlight device includes leds, a light guide plate, and a heat dissipation member. The light guide plate includes edge surfaces including a light entrance surface through which light from the leds enters, a front plate surface as a light exit surface through which the light from the leds exits, and another plate surface as an opposed surface on an opposite side from the light exit surface.
Sharp Kabushiki Kaisha


05/12/16
20160131824 

Backlight module and liquid crystal display device


A backlight module is disclosed. The backlight module includes a light guide plate, a light source, a back plate, and a positioning component for maintaining a light coupling distance between the light emitting surface of the light source and the light incident surface of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


05/12/16
20160131822 

Display device, multilayer light guide plate structure and front light module


A display device that includes a display panel, a multilayer light guide plate structure, and a light source is provided. The display panel has a display surface.
E Ink Holdings Inc.


05/12/16
20160131821 

Illumination device, display device, and tv receiver


A backlight device includes: a light guide plate, at least one end face thereof being a light-receiving face; and a plurality of light-emitting units arranged in a row along the light-receiving face such that light emitted from light-emitting units enters the light-receiving face of the light guide plate, wherein the plurality of light-emitting units are grouped into a plurality of groups such that an amount of light emitted by each light-emitting unit in a center group on a center-side of the row is less than an amount of light emitted by each light-emitting unit in a peripheral group on a relatively end-side of the row.. .
Sharp Kabushiki Kaisha


05/12/16
20160131820 

Display device


A display device includes a display panel and a backlight module. The display panel has an active area.
Qisda Corporation


05/12/16
20160131818 

Lighting device for vacuum cleaner


A light guide plate which guides light from light sources at both ends and reflection surface grooves having plural types of reflection surfaces formed on a reverse side of the light guide plate are provided in a direction perpendicular to a front direction of a suction tool, thereby forming light rays radiating to a floor surface from three directions and lighting the floor surface as the surface to be cleaned in front of the suction tool over a wide range.. .
Panasonic Intellectual Property Management Co., Ltd.


05/12/16
20160131817 

Method for producing laminate, laminate, light guide body for light source devices, and light source devices


A laminate which is provided with a core layer, a first cladding layer, a second cladding layer and a light output means, and wherein the second cladding layer, the core layer and the first cladding layer are sequentially laminated. The refractive index of the first cladding layer and the refractive index of the second cladding layer is lower than the refractive index of the core layer.
Mitsubishi Rayon Co., Ltd.


05/12/16
20160131816 

Illumination device


An illumination device of edge light type includes a light emitting unit provided at one side surface of a light guide plate. The light guide plate includes a plurality of recesses having a v-shaped cross-section and provided on a bottom surface in parallel to an x-axis direction at a predetermined pitch and a plurality of protrusions having a lenticular lens shape in the cross-sectional view and provided in parallel to a y-axis direction at a prearranged pitch.
Kuraray Co., Ltd.


05/12/16
20160131815 

Light guide plate and backlight module having the same


The disclosure is related to a light guide plate, comprising a light incident surface, a light emitting surface, and a bottom surface opposite to the light emitting surface. The light emitting surface connects to the light incident surface.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


05/12/16
20160131814 

Light emitting module and display device


A light emitting module is provided. A light emitting unit includes a light emitting surface including a middle light emitting area and a peripheral light emitting area.
E Ink Holdings Inc.


05/12/16
20160131813 

Light emitting device


A light emitting device (1) comprising a light source (2) adapted for, in operation, emitting light (13) with a first spectral distribution, a first light guide (3) comprising a first light input surface (31) and a first light exit surface (32) arranged opposite to one another, and further comprising an end surface (35) extending perpendicular with respect to the first light input surface (31), and a second light guide (4) comprising a second light input surface (41) and a second light exit surface (42) extending perpendicular with respect to one another. The first light guide (3) is adapted for receiving the light with the first spectral distribution from the light source (2) at the first light input surface (31), guiding the light with the first spectral distribution to the first light exit surface (32) and to the end surface (35) and coupling a part of the light with the first spectral distribution out of the first light exit surface (32) into the second light guide (4) and coupling another part of the light with the first spectral distribution out of the end surface (35).
Koninklijke Philips N.v.


05/12/16
20160131622 

Sensing device for spectroscopic detection of hydrogen peroxide


A sensing device for determining the presence of hydrogen peroxide is disclosed. The sensing device comprises a light guide having a distal portion terminating at a light guide tip and a proximal portion, wherein the light guide tip is proximal to a layer of prussian blue (pb), which is pure (or essentially free of contaminants).
Uvic Industry Partnerships Inc.




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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