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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
06/16/16
20160172131 
 Keyboard backlight system patent thumbnailKeyboard backlight system
Disclosed systems provide keyboard backlighting from organic light emitting diodes (oleds) placed under the keys. A keyboard stack optionally includes a light guide or reflector.
Dell Products, Lp


06/16/16
20160170565 
 Light guide assembly for optical touch sensing, and  detecting a touch patent thumbnailLight guide assembly for optical touch sensing, and detecting a touch
A light guide assembly (2) for use in a touch sensitive area (3) of an optical touch sensing device (1) for touch screens is configured to receive light, to allow the light thereby received to propagate in the light guide assembly, and to deliver the light thereby propagated in the light guide assembly further out of the light guide assembly. The light guide assembly comprises a plurality of light guide stripes (4, 5) for controlling the propagation of light.
Multi Touch Oy


06/16/16
20160170562 
 Light guide assembly for optical touch sensing, and  detecting a touch patent thumbnailLight guide assembly for optical touch sensing, and detecting a touch
A light guide assembly (2) for use in a touch sensitive area (3) of an optical touch sensing device (1) for touch screens is configured to receive light, to allow the light thereby received to propagate in the light guide assembly, and to deliver the light thereby propagated in the light guide assembly further out of the light guide assembly. The light guide assembly comprises a plurality of light guide stripes (4, 4′ 5) for controlling the light propagation, and an interaction arrangement (27; 17; 21) configured to define at least one restricted interaction area (11) within the touch sensitive area for interaction between the light and the external object.
Multi Touch Oy


06/16/16
20160170510 
 Touch control device for electric fireplace patent thumbnailTouch control device for electric fireplace
A touch control device for an electric fireplace includes a touch control panel, a face shell, a sensing electrode, an led light, and a light guide cover. The face shell is installed on the touch control panel.
Dong Guan Song Wei Electric Technology Co., Ltd


06/16/16
20160170132 
 Lighting device and display apparatus patent thumbnailLighting device and display apparatus
A lighting device used as a backlight of a display apparatus includes multiple light guide plates, and a light source located near an entrance edge of each light guide plate to emit light. A gap is provided between the light guide plates, and the position of the entrance edge is fixed among the edges of the light guide plate.
Sakai Display Products Corporation


06/16/16
20160170131 
 Nvis compatible backlight device and lcd using the same patent thumbnailNvis compatible backlight device and lcd using the same
Exemplary embodiments provide an electronic display assembly comprising a liquid crystal layer and a light guide positioned behind the liquid crystal layer. The light guide preferably includes a light emission surface and a light-collecting portion opposing the light emission surface.
American Panel Corporation


06/16/16
20160170130 
 Backlight unit and liquid crystal display device including the same patent thumbnailBacklight unit and liquid crystal display device including the same
Provided is a backlight unit in which a light blocking film is attached between a reflective sheet and a circuit board of a light source unit to shield a space between the reflective sheet and the circuit board, thus suppressing the reflective sheet from being stripped and minimizing light leakage. The backlight unit includes the light source unit, a light guide plate, the reflective sheet, and the light blocking film..
Lg Display Co., Ltd.


06/16/16
20160170128 
 Light guide plate and  the production thereof patent thumbnailLight guide plate and the production thereof
light guide plates, e.g. In backlight units (blus) or in light panels, have maximum uniformity of thickness and are composed of colourless transparent materials.

06/16/16
20160170127 
 Display apparatus and  manufacturing the same patent thumbnailDisplay apparatus and manufacturing the same
A display apparatus according to an embodiment of the inventive concept may include a display panel, a light guide panel, and the light source. The light guide plate may include a light guide portion, a barrier rib portion, a wavelength conversion portion, and a cover portion.
Samsung Display Co., Ltd.


06/16/16
20160170125 
 Display device patent thumbnailDisplay device
A display device includes a display panel receiving light and displaying an image, a light guide plate guiding the light to the display panel, a printed circuit board disposed adjacent to one side of the light guide plate and including first and second areas alternately defined therein, light sources mounted on the printed circuit board to correspond to the first area and to supply the light to the light guide plate, a first barrier wall disposed on the printed circuit board and extending in a direction in which the light sources are arranged, and a second barrier wall facing the first barrier wall such that the light sources are disposed between the first and second barrier walls, the second barrier wall disposed on the printed circuit board, and extending in the direction.. .
Samsung Display Co., Ltd.


06/16/16
20160170124 

Reflection sheet, light source device and display apparatus


Provided are a reflection sheet which is capable of, when light sources, and the like are disposed on one side surface side of a light guide plate, preventing the reflection sheet from coming into contact with the light sources, and the like at a central part of the one edge thereof, and a light source device and a display apparatus. A reflection sheet which is oppositely disposed to the other surface of a light guide plate for emitting light made incident on one side surface from one surface thereof, and reflects the light made incident on the light guide plate to the one surface side of the light guide plate, includes a cutout part provided at a central part of one edge of four sides of the rectangular reflection sheet, and the reflection sheet is arranged so that the one edge is disposed on one side surface side of the light guide plate..
Sakai Display Products Corporation


06/16/16
20160170123 

Backlight unit and liquid crystal display device including the same


Provided are a backlight and a liquid crystal display device including the same. The backlight unit includes a light source assembly which emits light; a light guide plate which receives at a light incident surface thereof light from the light source assembly; and a bottom chassis having a bottom unit on which the light guide plate is disposed.
Samsung Display Co., Ltd.


06/16/16
20160170122 

Backlight apparatus and display apparatus having the same


Disclosed herein are a backlight apparatus and a display apparatus having a light guide plate that includes light guide patterns in a waveform shape.. .
Samsung Electronics Co., Ltd.


06/16/16
20160169808 

Liquid and plate sensors for microplate injector system


In a sample analyzing apparatus, an injector assembly injects a reagent onto a sample, and luminescent light from the sample is transmitted to a detector. The assembly may be movable toward and away from the sample.
Molecular Devices, Llc


06/16/16
20160169745 

Infrared temperature sensor and device using infrared temperature sensor


Provided are: an infrared temperature sensor which is reduced in film deformation and achieves higher accuracy, while ensuring reliability; and a device which uses this infrared temperature sensor. An infrared temperature sensor is provided with: a film which absorbs infrared light; a case which covers and holds the film so as to form airtight spaces between itself and the film, and which is provided with a light guide part that has an opening and guides infrared light and a shielding part that has a shielding wall and shields infrared light; ventilation portion which allow air permeation between the spaces and the outside; a heat-sensitive element for infrared detection, which is arranged on the film at a position that corresponds to the light guide part; and a heat-sensitive element for temperature compensation, which is arranged on the film at a position that corresponds to the shielding part..
Semitec Corporation


06/16/16
20160168712 

Chemical compound being used for forming a random wrinkle structure, composition containing the compound, film having the structure, forming the film, and oled comprising the film


Provided are a random wrinkle structure-formable compound, a composition including the same, a film including a random wrinkle structure, a method of forming the film, and an organic light emitting device including the film. A compound according to the present invention is coated and then, a film having a surface structure of random wrinkles may be simply formed through simple ultraviolet (uv) curing or thermosetting.
Electronics And Telecommunications Research Institute


06/09/16
20160161669 

Refrigerator with shelf lighting


A refrigerator with shelf lighting is provided that may include a refrigerator main body having a storage room, at least one shelf provided inside of the storage room, a light source provided at a rear end of the shelf, a power supply provided at a rear of the storage room, the power supply supplying power to the light source, and a light guide plate provided at the at least one shelf. The light guide plate may guide light of the light source to a front of the shelf.
Lg Electronics Inc.


06/09/16
20160161667 

Backlight unit and liquid crystal display device including the same


Disclosed is a backlight unit and lcd device having a fixing device attached to a bottom cover and a guide panel to prevent the guide panel from shifting and detaching from the bottom cover. The backlight unit comprises a bottom cover having a bottom portion including a first hole, and a side portion having a second hole; a light guide plate on the bottom portion of the bottom cover; at least one optical sheet on the light guide plate; a guide panel adjacent the guide plate and the optical sheet; and a fixing device.
Lg Display Co., Ltd.


06/09/16
20160161666 

Backlight assembly with lightproof arrangement


A backlight assembly is provided with upper and lower reflective layers secured together and folded to form a concealed space; a light guide layer in the space and including at least one light entrance; an opaque blocking layer at either side portion joining the upper and lower reflective layers; and at least one light source each at the light entrance. Light emitted by the light source travels to the light entrance, and further travels to predetermined areas via paths defined by the upper and lower reflective layers.

06/09/16
20160161665 

Display device and backlight module


A display device including a heat dissipation component, a display panel, a light guide plate, an optical film set, and a light source set is provided. The heat dissipation component has a supporting surface, a first connecting surface, and a second connecting surface.
Young Lighting Technology Inc.


06/09/16
20160161664 

Display apparatus


The present invention reduces brightness unevenness at the periphery of a non-display region in a display device that uses an edge-type backlight by means of a display device being provided with a liquid crystal panel, a light guide plate, which has the surface opposing the liquid crystal panel as the light emitting surface and one lateral surface other than the light emitting surface and the surface opposite the light emitting surface as the light incident surface, a light source unit, which opposes the light incident surface, and an opening that pierces the light guide plate from the light emitting surface to the surface opposite the light emitting surface, the configuration being such that the length (x) from the light incident surface to the center of the opening is at least ½ the length (l) from the light incident surface to the lateral surface opposite the light incident surface.. .
Sharp Kabushiki Kaisha


06/09/16
20160161663 

Dual-sided film with compound prisms


Dual-sided optical films have extended prisms formed in one major surface, and extended lenslets formed in an opposite major surface. Some or all of the prisms are compound prisms, in which the two inclined surfaces of each compound prism each include a tip portion, a base portion, and an intermediate portion disposed between the tip portion and the base portion, the intermediate and tip portions forming a concave shape and the intermediate and base portions forming a convex shape, or vice versa.
3m Innovative Properties Company


06/09/16
20160161662 

Directional backlight unit


Provided is a directional backlight unit. The directional backlight unit includes a source light unit configured to generate dot source light, a linear source light generator configured to separate a plurality of source lights, which are output in a direction vertical to a line type output surface, from the dot source light according to different grating periods and generate the separated plurality of source lights as linear source lights, and a light guide panel configured to output backlight, which has a form of flat source lights and includes the plurality of source lights, in a direction vertical to a plate type output surface according to the different grating periods.
Electronics And Telecommunications Research Institute


06/09/16
20160161661 

Display device and backlight unit included therein


A display device includes a display panel, a backlight unit outputting light to the display panel, and an optical member refracting or reflecting the light output from the backlight unit and providing the display panel with the light. The backlight unit includes a light source emitting the light, a light guide plate scattering the light emitted from the light source and irradiating the scattered light to a front surface of the backlight unit, a reflective sheet reflecting the light, which is irradiated to a rear surface of the light guide plate, to the light guide plate, a quantum dot sheet for converting the light, which is irradiated to the front surface of the light guide plate, into a white light, and a light-converting material provided on an edge portion of the reflective sheet to convert the light into the white light..
Samsung Electronics Co., Ltd.


06/09/16
20160161660 

Display apparatus


Provided is a display apparatus including a display panel, a light guide plate, a first light source unit, and a first reflective member. The display panel may receive light to display an image.
Samsung Display Co., Ltd.


06/09/16
20160161659 

Display apparatus


A display apparatus including a display panel and a backlight to supply light to the display panel is provided. The backlight includes a light guide plate to guide light to the display panel, at least one three dimensional light source disposed to face a side end of the light guide plate, a two dimensional light source disposed at a rear of the light guide plate, and at least one diffusion member disposed between the at least one three dimensional light source and the side end of the light guide plate..
Samsung Electronics Co., Ltd.


06/09/16
20160161658 

Backlight module and lcd device


The present invention proposes an lcd device having a backlight module. The backlight module includes a light guide plate, a first light source unit set up in a corner of a first light-in side of the light guide plate, and a second light source unit set up in a corner of a second light-in side of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


06/09/16
20160161656 

Illumination device having a light guide with leaky side surfaces


An illumination device includes one or more light-emitting elements (lees) arranged to provide light; a light guide includes a receiving end and an opposing end, the receiving end being arranged to receive the light provided by the lees. The light guide further includes a pair of opposing side surfaces extending along a length of the light guide between the receiving and opposing ends.
Quarkstar Llc


06/09/16
20160161078 

Lamp for vehicle


A lamp for a vehicle includes a light source configured to generate light, a light guider configured to guide the light generated by the light source along a set moving path, and a barrier rib structure including a plurality of cells accommodating the light guided by the light guider. The barrier rib structure may be configured to emit the light accommodated in each cell in a shape of the cell..
Hyundai Motor Company


06/09/16
20160157730 

Acoustic wave detection probe and photoacoustic measurement apparatus provided with the same


In an acoustic wave detection probe provided with a light guide section that guides measuring light such that the measuring light is outputted toward a subject and an acoustic wave transducer that detects a photoacoustic wave generated in the subject by the projection of the measuring light, the light guide section includes a homogenizer that flat-tops an energy profile of the measuring light entered from the upstream side of the optical system, a light condensing member that condenses the measuring light transmitted through the homogenizer, and a bundle fiber which includes a plurality of optical fibers and is disposed such that the measuring light transmitted through the light condensing member enters from an entrance end of the bundle fiber.. .
Fujifilm Corporation


06/02/16
20160157316 

A light emitting device and a dimming a light emitting device


A light emitting device, comprising at least two light sources (21, 22, 23, 24) adapted for, in operation, emitting light with a first spectral distribution, a first light guide (4) comprising a first light input surface (41), which is arranged parallel to the main waveguiding direction of the first light guide (4), and a first light exit surface (42) extending in an angle different from zero in relation to the first light input surface (41), the first light guide being adapted for receiving the light with the first spectral distribution at the first light input surface, converting at least a part of the light 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), the at least two light sources (21, 22, 23, 24) being arranged at mutually different distances from the first light exit surface (42) of the first light guide (4), and a control device (90) adapted for dimming the light emitting device starting with the light source of the at least two light sources (21, 22, 23, 24) which is arranged at a largest distance from the first light exit surface (42) of the first light guide (4).. .
Koninklijke Philips N.v.


06/02/16
20160156857 

Method and image capture through a display screen


An exemplary display device is a liquid crystal display (lcd), the on-screen imager is referred to as an lcd imager. Without affecting the display functions of an lcd device, an image sensing module is provided behind or within an lcd unit in the lcd device.

06/02/16
20160154533 

Integrated light guide and touch screen frame


A touch screen assembly including a display, infra-red light emitters, photo diodes, a transparent frame including an exposed upper edge along its perimeter, and internally reflective facets for directing light emitted by the emitters along light paths that travel upward through one side of the frame, over the display screen, downward through the opposite side of the frame, and onto the photo diodes, and a processor operative to identify a location of an object touching the display, based on amounts of light detected by photo diodes when light emitted by light emitters is blocked along its light path by the object, and to recognize the object touching an outer wall of the frame, based on amounts of light detected by activated photo diodes when light emitted by activated emitters is absorbed along its light path by the object at the outer wall, thereby providing touch sensitivity to the frame itself.. .
Neonode Inc.


06/02/16
20160154532 

Light guide panel including diffraction gratings


An example provides an apparatus including a light guide panel with a plurality of diffraction gratings to cause light to propagate within the light guide panel by total internal reflection and scatter light in response to a presence of an object adjacent to the light guide panel.. .
Hewlett-packard Development Company, Lp


06/02/16
20160154294 

Image projection device and image projection method


An image projection device includes: an image generating unit that includes an optical modulation element generating an image using light emitted from a light source; an illumination optical unit that includes one or more optical elements guiding the light emitted from the light source to the image generating unit; a projecting unit that projects the image generated by the image generating unit; a first control unit that performs control to move the image generating unit movable with respect to the illumination optical unit; and a second control unit that performs control to move an illumination area indicating an area illuminated with the light guided to the image generating unit by the illumination optical unit according to a movement amount of the image generating unit.. .

06/02/16
20160154291 

Liquid crystal coupled light modulation


Liquid crystal coupled light modulation includes a light guide to guide light by total internal reflection (tir), a diffraction grating and a liquid crystal sandwiched between the diffraction grating and the light guide. The liquid crystal has a state with a first refractive index to defeat tir and another state with a second refractive index to facilitate tir at a surface of the light guide.
Hewlett-packard Development Company L.p.


06/02/16
20160154269 

Image display device


There is provided an image display device that includes a display in which a background is transparently seen from a front surface side, and has a high degree of freedom at the time of installation. A liquid crystal panel (32) for adjusting transparency/light-emission adjusts, for each pixel, a ratio between transmitted light-source light and ambient light by respectively controlling a polarization direction of a reflected polarization component of the light-source light irradiated to a reflection-type polarization plate (20) from a light guide plate (180) and a polarization direction of a transmitted polarization component of the ambient light incident to the reflection-type polarization plate (20) from a rear surface side of the display, based on transparent/light-emitting pixel information.
Sharp Kabushiki Kaisha


06/02/16
20160154174 

Light guide plate, backlight module, and liquid crystal display device


A light guide plate includes a light exit surface, a light guide plate bottom surface, and at least one light incidence surface. The light exit surface and the light guide plate bottom surface are opposite to each other.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


06/02/16
20160154172 

Lighting device and display device


A backlight device includes leds, a light guide plate, and a frame. The light guide plated includes peripheral surfaces including an led opposing surface and an led non-opposing surface and includes plate surfaces including a light exit surface and an opposite plate surface on the opposite side from the light exit surface.
Sharp Kabushiki Kaisha


06/02/16
20160154171 

Lighting device


A lighting device according to one embodiment includes a light guide member, at least one light source and a substrate on which the light source is mounted. The light guide member includes a first surface facing an outside of the lighting device, a second surface opposite to the first surface, and a side surface extending from an end of the first surface to an end of the second surface.
Kabushiki Kaisha Toshiba


06/02/16
20160154170 

Ultra-thin display using thin flexible led light sheet


Various applications and customizations of a thin flexible led light sheet are described. Microscopic led dice are printed on a thin substrate, and the leds are sandwiched between two conductor layers to connect the leds in parallel.
Nthdegree Technologies Worldwide Inc.


06/02/16
20160154169 

Light guide plate, backlight module, and display device


Disclosed is a light guide plate for use in a backlight module. The light guide plate includes a light incidence surface, a light exit surface, and a bottom surface opposite to the light exit surface.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


06/02/16
20160154168 

Luminaire


The invention relates to a luminaire (1) having a housing which is closed by a translucent cover (11). The housing accommodates a light source and control gear (6), the light source being formed from a plurality of leds (8) arranged on at least one circuit board (9).
Zumtobel Lighting Gmbh


06/02/16
20160154167 

Light guide plate and manufacturing method thereof


The present invention provides a light guide plate and a manufacturing method thereof. The light guide plate includes a light incident surface formed on a lateral side of the light guide plate, a reflection surface formed on a bottom of the light guide plate, and a light exit surface formed on a top of the light guide plate.
Shezhen China Star Optoelectronics Technology Co., Ltd.


06/02/16
20160154166 

Display device


A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light.
Samsung Display Co., Ltd.


06/02/16
20160154163 

Backlight assembly and display device having the same


A display device includes a backlight assembly generating a light and a display panel receiving the light to display an image. The backlight assembly includes a light emitting unit, a light guide plate, a prism plate, and a reflective polarizing plate.
Samsung Display Co., Ltd.


06/02/16
20160154162 

Quantum dot backlight module and display device


A quantum dot backlight module includes: a reflector, a light guide plate disposed above the reflector, a plurality of dot units disposed on an upper surface of the light guide plate at intervals, and a quantum dot packaged in each of the plurality of dot units, and light emitting diodes disposed on a edge side of the light guide plate. According to the present invention, the quantum dot material can be used less, which is good for reducing the production cost.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


06/02/16
20160153903 

Optical-characteristics measurement device and optical-characteristics measurement method


Disclosed are an optical-characteristics measurement device and an optical-characteristics measurement method capable of reducing a measurement load for optical characteristics of a material and performing a simple and high-accuracy measurement in a short period of time. An optical-characteristics measurement device (for example, a brdf measurement device) includes a light irradiation unit (for example, a light source unit and a point light source) which irradiates a sample with light, and a light reception unit which receives light from the sample.
Fujifilm Corporation


06/02/16
20160153836 

Optical transmission device, light guide plug, optical fiber plug, light reception device, and portable apparatus


A jack (10) of the invention includes a holding body (9) having an insertion hole (15) into which an optical plug is able to be inserted, a window material (6) through which infrared radiation passing through the insertion hole (15) is transmitted, and a light reception unit (2) which detects infrared radiation of 6 μm or more and 15 μm or less transmitted through the window material (6). The window material (6) is provided in the holding body (9) so as to prevent water from intruding into the light reception unit (2), and arranged at a bottom of the insertion hole (15).
Sharp Kabushiki Kaisha


05/26/16
20160150640 

Planar illumination device


A planar illumination device includes: a light guide plate; a point light source disposed to face a light incident surface of the light guide plate; and a circuit substrate on which the point light source is mounted. The circuit substrate includes: a base film; a first conductive layer and a first coverlay film stacked in sequence on a first surface of the base film, the first conductive layer including a pair of lands to which a pair of electrode terminals of the point light source are electrically connected; and a second conductive layer and a second coverlay film stacked in sequence on a second surface of the base film the second coverlay film including a light absorber.
Minebea Co., Ltd.


05/26/16
20160150221 

Display apparatus


A display apparatus, and a light guide plate (lgp) of the display apparatus are provided. The lgp may include a first light guide segment and a second light guide segment that are alternately arranged in a first direction.
Samsung Electronics Co., Ltd.


05/26/16
20160147169 

Image forming apparatus and light guide member


A light guide member has a transmitting/reflecting portion transmitting and reflecting light that is emitted from a light source, to enter one end of the light guide member in a longitudinal direction, and be guided to the other end of the light guide member so that the light is applied to: a position between the developing roller and the transfer roller on the image carrier on a downstream side in the traveling direction of the transfer target member; and a position between the transfer roller and the cleaning portion on the image carrier on an upstream side in the traveling direction of the transfer target member. Furthermore, the light guide member has a convex portion having an arc-shaped cross section and being formed outward at a position opposing the transmitting/reflecting portion in a part of a predetermined specific region at one end or both ends in the longitudinal direction..
Kyocera Document Solutions Inc.


05/26/16
20160147009 

Lamp device


A lamp device includes a heat dissipating seat, a light emitting unit, a mounting seat and a light guide plate. The heat dissipating seat defines an accommodation space with an opening.
Radiant Opto-electronics Corporation


05/26/16
20160147008 

Light source device


According to an aspect, a light source device includes a light guide body, a first frame body on which a partial penetration part is formed, a second frame body, and a spacer held between the second frame body and the light guide body via the penetration part. The spacer includes a base part and a protrusion.
Japan Display Inc.


05/26/16
20160147006 

Laminated backlight unit


A backlight unit includes a light guide layer including a plurality of extraction features disposed along a rear face of the light guide layer, a first cladding layer adhesively secured to the rear face of the light guide layer, a plurality of turning structures disposed along the first cladding layer, and a second cladding layer adhesively secured to a front face of the light guide layer. The first cladding layer has a first refractive index lower than a guide refractive index of the light guide layer.
Microsoft Technology Licensing, Llc


05/26/16
20160147005 

Lighting device and liquid crystal display apparatus


A lighting device 40 reflecting light from a light source 61, making reflected light enter one side surface of a light guide plate 80, and outputting entered light from one surface of the light guide plate 80. The reflection part 96 reflecting light at an inner surface and having, at an inside of the reflection part 96, a hollow part extending in a long side direction of one side surface of the light guide plate 80, a cross section of the hollow part perpendicular to the long side direction of the one side surface having a circular shape, and a plurality of light sources 61 arranged in the long side direction of the one side surface along an outer side surface of the reflection part 96, wherein the reflection part 96 includes a first opening 94 through which light enters inside from the plurality of light sources 61, and a second opening 95 for outputting light entered from the first opening 94 and reflected at an inner surface to the one side surface of the light guide plate 80, the lighting device further comprising a light shielding part 93 shielding light output from the second opening 95 and leaking to an outside of the one side surface of the light guide plate 80..

05/26/16
20160147004 

Backlight module having a prism structure


A backlight module for illuminating a display or keypad is described. The backlight module may be provided in an electronic device along with a light source.
Blackberry Limited


05/26/16
20160147003 

Backlight unit for holographic display apparatus and holographic display apparatus including the same


A backlight unit (blu), for a binocular holographic display apparatus, and the binocular holographic display apparatus including the blu are provided. The blu includes: a light source unit that emits coherent illumination light; and a light guide plate that is transparent and includes a light incidence surface onto which the coherent illumination light emitted by the light source unit is incident and a light emission surface through which the illumination light is output.
Samsung Electronics Co., Ltd.


05/26/16
20160146999 

Led device, light guide plate and backlight module


Embodiments of the present disclosure provide a led device, a light guide plate and a backlight module, which are capable of generating red light, green light and blue light under excitation of ultraviolet light, and reducing damages of human eyes due to blue light by attenuating or eliminating light intensity of the blue light having a wavelength of 460 nm. The led device comprises an ultraviolet illuminant and a quantum dot film located on a light emitting side of the ultraviolet illuminant.
Beijing Boe Optoelectronics Technology Co., Ltd.


05/26/16
20160146671 

Pyrometric detection device, calibrating the same, and producing three-dimensional work pieces


A pyrometric detection device for use in an apparatus for producing three-dimensional work pieces comprises a pyrometric detecting unit (10) configured to receive thermal radiation emitted at different points of a detection plane in a detection direction and a calibration device (12) comprising a substrate (14) and a plurality of light guides (16) each having a first end (18) for coupling light into the light guide (16) and a second end (20) for emitting light from the light guide (16), the second end (20) being fixed to the substrate (14). The substrate (14) is adapted to be removably arranged relative to the pyrometric detecting unit (10) in such a manner that the second ends (20) of the plurality of light guides (16) are arranged in the detection plane and emit light in the detection direction, in a calibration state of the pyrometric detection device..
Slm Solutions Group Ag


05/26/16
20160143727 

Implantable myopia lens and preparation method thereof


The invention discloses an implantable myopia lens, comprising a lens body and a plurality of sheet-shaped support arms, cut and formed along the edge of the lens body. The angle between the plane of the support arms and the plane of the lens body is between 10 and 20 degrees, making the whole of the lens a spheroid.
Wuxi Vision Pro Ltd.


05/19/16
20160143094 

Display 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


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


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


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


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


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


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


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


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


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




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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