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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


Display device and television device

Display device and multi-display device

Date/App# patent app List of recent Light Guide-related patents
08/21/14
20140233904
 Optical device patent thumbnailnew patent Optical device
An optical device includes a light guiding member that guides light an optical element that functions by being irradiated with the light guided by the light guiding member and a holding member that internally includes a first housing portion housing the light guiding member and a second housing portion housing the optical element and internally holds the light guiding member and the optical element by the first housing portion and the second housing portion so that the light guiding member and the optical element are internally coupled optically. The first housing portion and the second housing portion are communicatively connected inside the holding member and the light guiding member housed in the first housing portion and the optical element housed in the second housing portion are in contact with each other inside the holding member..
08/21/14
20140233900
 Microstructured optical fibre having a large core and a flattened fundamental mode, production method thereof and use of same in laser microfabrication patent thumbnailnew patent Microstructured optical fibre having a large core and a flattened fundamental mode, production method thereof and use of same in laser microfabrication
The fibre comprises a core (2) having an index n and diameter of 10 μm or more, surrounded by a ring (4) having an index n+Δn and thickness Δr, and cladding (6) surrounding the ring and comprising for example air gaps (8). According to the invention: Δn≧10−3 and Δr=α/(Δn)β [1] where: 5×10−4 μm≦α≦5×10−2 μm and 0.5≦β≦1.5.
08/21/14
20140233261
 Display device and multi-display device patent thumbnailnew patent Display device and multi-display device
A display device (100) includes: a display panel (110) having a display area where an image is displayed; a light guide member (150) that has an inner side face (150a) set at an 80 to 110° angle θ to the surface of the display panel (110) and that guides light from the periphery of the display panel (110) to outside of the display area; and a mirror (160) that covers the inner side face (150a) of the light guide member (150).. .
08/21/14
20140233260
 Changing graphics in an apparatus including user interface illumination patent thumbnailnew patent Changing graphics in an apparatus including user interface illumination
An apparatus includes a light guide. A first light input section receives light in a first direction into said light guide.
08/21/14
20140233259
 Display device patent thumbnailnew patent Display device
A display device includes a display module configured to output image information, a front case configured to cover a front edge portion of the display module, with an opening formed in a central portion, and a rear case coupled to the front case to cover a back side of the display module, with a rib projected therefrom to support the back side of the display module. The display module includes a display panel, a light guide unit arranged on the back side of the display panel, a back cover configured to cover the first lateral side of the light guide unit and a predetermined portion of the back side of the light guide unit, and a light source coupled to the back cover.
08/21/14
20140233208
 Pointer-type display device patent thumbnailnew patent Pointer-type display device
Disclosed is a pointer-type display device having a high degree of design freedom, with which a design can be efficiently illuminated. Said device is provided with a light guide letter board (10), a light guide body (20), and a pointer (30), and a first light source (51).
08/21/14
20140233062
 Touch pad and electronic device having the same patent thumbnailnew patent Touch pad and electronic device having the same
A touch pad with a simple structure to enable an electronic device to be manufactured more slimly and with low manufacturing costs. The touch pad includes a cover having a plurality of function icons a cover frame to support the cover, the cover frame including a plurality of light guide hollows, and a board, which is engaged with the cover frame and includes touch sensors and luminous elements to illuminate the function icons mounted thereon, the touch sensors and luminous elements being respectively mounted at positions on the board corresponding to the plurality of function icons..
08/21/14
20140232945
 Display device and television device patent thumbnailnew patent Display device and television device
A liquid crystal display device 10 according to the present invention includes leds 17, a liquid crystal panel 11, a light guide plate 16, a holding member hm, a screw member sm, and a screw attachment portion 21. The light guide plate 16 is arranged on a side opposite to a display surface 11c side of the liquid crystal panel 11 with an end surface thereof being opposite the leds 17.
08/21/14
20140232027
 Continuous method for the production of light guide plates patent thumbnailnew patent Continuous method for the production of light guide plates
The present invention relates to a method for continuously producing light guide plates, e.g. For use as backlighting in lc displays, and to an apparatus for carrying out said method..
08/14/14
20140226364
 Backlight device and display device including the same patent thumbnailBacklight device and display device including the same
A backlight device includes: a light guide plate; a pair of light sources which is provided along left and right sides of the light guide plate respectively; and a frame which defines positions of the light guide plate and the light sources, wherein the position of the light guide plate with respect to the light sources is defined by a fixing member provided to the frame on upper and lower sides of the light guide plate, and the fixing member biases the light guide plate toward left and right sides of the light guide plate on the upper and lower sides of the light guide plate.. .
08/14/14
20140226363
Backlight assembly and display device including the same
A backlight assembly includes a first light guide member; a second light guide member overlapping the first light guide member; a groove defined in the second light guide member; and a light source unit in the groove. The light source unit generates and supplies light to the first light guide member and the second light guide member..
08/14/14
20140226359
Lighting device for a motor vehicle
A lighting device for a motor vehicle, includes a light guide for total-reflective guiding of light along a direction of light propagation. The light originates from at least one light source and can be coupled-in via at least one coupling surface on one end face of the light guide.
08/14/14
20140226142
Mirror system comprising at least one mirror for use for guiding illumination and imaging light in euv projection lithography
A mirror serves for use for guiding illumination and imaging light in euv projection lithography. The mirror has a reflective surface, the reflective surface forming a magnetic field in such a way that at least one polarization property of the illumination and imaging light is influenced via the magnetic field upon reflection.
08/14/14
20140226108
Liquid crystal display device
A liquid crystal display device includes a liquid crystal display panel formed by a pair of transparent substrates facing each other with a liquid crystal layer therebetween, and a backlight device mounted on a back surface of the liquid crystal display panel. The backlight device includes a light source in which multiple light emitting elements are arranged in parallel on a surface of a substrate, and a light guide plate for converting light from the light source that is provided in the periphery of the light guide plate, into planar light (backlight beam) and emitting the planar light.
08/14/14
20140226106
Liquid crystal display device having improved cooling efficiency
A liquid crystal display device includes a liquid crystal display panel, a light guide plate disposed on a lower part of the liquid crystal display panel, an led circuit substrate disposed along at least one side of the light guide plate to accommodate an led on a front surface thereof, and a heat transmission member having a first part that faces a lower surface of the light guide plate and a second part that is extendedly bent from the first part and faces the led circuit substrate.. .
08/14/14
20140226081
Display unit and television receiving apparatus
A liquid crystal display device 10 according to the present invention includes: leds 17; a liquid crystal panel 11 capable of displaying images through light from the leds 17; a light guide plate 16 that is disposed so as to overlap the side opposite to a display surface 11c of the liquid crystal panel 11 and that has end faces facing the leds 17; a chassis 14 disposed on the side of the light guide plate 16 opposite to the liquid crystal panel 11; a light transmissive panel 13 that is arranged so as to overlap the display surface 11c of the liquid crystal panel 11, that houses the leds 17 between the light transmissive panel 13 and the chassis 14, and that sandwiches the liquid crystal panel 11 and the light guide plate 16 while allowing light to pass through; and a light-shielding member 25 that is disposed on the light transmissive panel 13 surrounding a display area aa of the liquid crystal panel 11 and that blocks light around the display area aa, a part of the light-shielding member being made of a transparent part 26 that allows light to pass through.. .
08/14/14
20140226080
Display unit and television receiving apparatus
A liquid crystal display unit (10) includes: an led (17); a heat dissipating member (19) to which the led (17) is attached; a liquid crystal panel (11) that performs display using light of the led (17); a flexible substrate (22) connected to an edge of the liquid crystal panel (11); a light guide plate (16) disposed on a side of the liquid crystal panel (11) opposite to a display surface (11c) of the liquid crystal panel (11), the light guide plate being disposed such that an end face of the light guide plate faces the led (17); holding members (hm) that hold and sandwich the liquid crystal panel (11) and the light guide plate (16) from the side of the display surface (11c) and from the side opposite thereto; and a light-shielding member (26) disposed on the heat dissipating member (19), the light-shielding member being interposed between the liquid crystal panel (11) and the led (17) for preventing light from the led (17) from directly entering the liquid crystal panel (11), the light shielding part (26) being configured such that a flexible substrate passage (fs) through which the flexible substrate (22) passes is formed between the light-shielding member (26) and a frame (13), of the holding members (hm), that is disposed on the side of the display surface (11c).. .
08/14/14
20140226073
Illumination device, display device, and television receiving device
The backlight device (24) of the present invention is provided with: a heat-dissipating member (36) having a bottom surface part (36a); a light guide plate (20) that has a light-receiving face (20a) on the side face thereof and that is arranged such that the back surface of the plate faces the front of the bottom surface part (36a); and led light-source (28) that is arranged opposite to the light-receiving face (20a) above the front surface of the bottom surface part (36a); a reflective sheet (26) that is arranged to be in contact with the back surface of the light-guide plate (20); and a protruding part (38) that is formed so as to protrude from the front surface of the bottom surface part (36a) between the led light source (28) and the light-receiving face (20a), the protruding part (38) being higher than the back surface of the light guide plate (20).. .
08/14/14
20140226072
Display device and television receiver
A liquid crystal display device (10) related to the present invention is provided with an led (17); a heat-dissipating member (19) mounted with the led (17); a liquid crystal panel (11) that uses light from the led (17) to display; a light guide plate (16) that is disposed on a side of the liquid crystal panel (11) opposite to the display surface (11a), the light guide plate being disposed such that an end surface thereof faces the led (17); a chassis (14) arranged on a side of the light guide plate (16) opposite to the liquid crystal panel (11); a frame (13) that is arranged on the display surface (11a) of the liquid crystal panel (11), the frame holding the liquid crystal panel (11) and the light guide plate (16) by sandwiching the liquid crystal panel (11) and the light guide plate (16) with the chassis (14) while housing the led (17) and the heat-dissipating member (19) therein, the frame constituting the exterior of the liquid crystal display device (10); and a protruding member (21) that protrudes from the frame (13) to the heat dissipating member (19), the protruding member being provided to attach the heat dissipating member (19) to the frame (13), the protruding member having a heat insulating layer (hir) interposed between the protruding member and the heat dissipating member (19).. .
08/14/14
20140225128
Light collecting module
A light collecting module includes a pliable light guide, an inner light source, and a photocell. A surface of the light guide has a first area, a second area, and a third area.
08/14/14
20140223787
Backlit graphic display device
A graphic display device illuminates interchangeable graphic panels and is mountable to a translucent mounting surface. The graphic display device includes a housing assembly, a light guide assembly, and select device support structure.
08/07/14
20140219870
Optical device for performing an assay
There is provided a device, such as a microfluidic device, for performing an assay including: a substrate comprising a channel, such as a microfluidic channel; at least one optical element having an input port arranged to be optically coupled to a light source; an output port optically coupled to at least a portion of the channel; and a light guide portion optically connecting the input port and output port; and a detection port optically coupled to said at least a portion of the channel. The device provides an improved geometry which addresses problems related to traditional orthogonal detection arrangements and in-line detection systems..
08/07/14
20140218972
Light guiding apparatus and light source device including the same
A light guiding apparatus includes a light guiding apparatus and a second light guide. The first light guide includes a first end-surface, a second end-surface and a side-surface, in which the first end-surface includes a first light incident surface thereon, the second end-surface includes a first light emitting surface thereon, and the side-surface is located between the first end-surface and the second end-surface of the first light guide.
08/07/14
20140218970
Light guide plate, backlight source and liquid crystal display device
A light guide plate used for an led backlight source. The led backlight source comprises a plurality of led lamps.
08/07/14
20140218968
Planar lighting device
A planar lighting device includes a light guide plate and a side-emitting lighting module. The light guide plate includes a light emission surface, a back light surface, and at least one side surface.
08/07/14
20140218967
Backlight system
A backlight system includes a first light guide layer, first light sources, a second light guide layer and second light sources. The first light sources are configured to emit first light into the first light guide layer.
08/07/14
20140218966
Lighting device and cove lighting module using the same
A lighting device and a cove lighting module are provided. The lighting device includes a shell body, at least one light emitting diode element, and at least one light guide plate.
08/07/14
20140218965
Lighting module
A lighting module may be provided that includes: a first light guide plate which includes a top surface and a bottom surface, each of which emits light, and a light incident side; a second light guide plate which is disposed below the first light guide plate and includes a top surface and a bottom surface, each of which emits light, and a light incident side; a reflector which is disposed between the first light guide plate and the second light guide plate; and a light source which includes first light emitting devices disposed on a side of the first light guide plate, and second light emitting devices disposed on a side of the second light guide plate.. .
08/07/14
20140218963
Backlight module
The present invention provides a backlight module, which includes: a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane to correspond to the backlight source, a reflector plate disposed on a bottom of the light guide plate, an optic film disposed on a top of the light guide plate, and elastic members mounted to the backplane. The optic film has a top edge forming suspension sections and two first sidewalls respectively at left and right sides and each forming lugs.
08/07/14
20140218957
Linear illumination devices having light guides and led-based illumination modules
In various embodiments, led-based illumination devices include an inlet region for receiving the led light that is complementary in shape to the lens of the led.. .
08/07/14
20140218951
Vehicular lamp
A vehicular lamp has a light source, a pillar-shaped light guide having a plurality of light controlling portions formed on a side surface thereof, and a lens disposed in front of the light guide. Light emitted from the light source enters the light guide from one end surface of the light guide.
08/07/14
20140218918
Multi display system, and display device
The present invention aims at mitigating a light guide member being peeled off and a display panel being damaged by stress exerted on an adhesive section or the like between the light guide members. A multi-display system has a plurality of display devices (100) arranged in a matrix such that a cushioning member (310) is arranged alongside a light guide member (150) and between the respective light guide members (150) of two of the adjacent display devices (100) among the plurality of display devices (100).
08/07/14
20140218890
Backlight keyboard and structure thereof
A backlight keyboard structure includes a light guide plate, a base plate and a keyboard frame. The keyboard frame comprising a fixing portion.
08/07/14
20140218779
Image display device
An image display device includes an image forming device, collimating optical system, and optical device, with the optical device including a light guide plate, first diffraction grating member and second diffraction grating member which are made up of a volume hologram diffraction grating, and with central light emitted from the pixel of the center of the image forming device and passed through the center of the collimating optical system being input to the light guide plate from the near side of the second diffraction grating member with a certain angle. Thus, the image display device capable of preventing occurrence of color irregularities, despite the simple configuration, can be provided..
08/07/14
20140218734
Paper sheet recognition apparatus, light guide and light guide casing for use in spectrometric measurement of paper sheet
A paper sheet recognition apparatus that recognizes a paper sheet based on optical characteristics of the paper sheet is proposed. The paper sheet recognition apparatus includes at least one light source that emits a light toward the paper sheet; a light-guiding member that receives any of reflected lights reflected from plural regions on the paper sheet and transmitted lights that have passed through plural regions on the paper sheet because of emission of the light on the paper sheet from the light source, condenses the received lights, and outputs the condensed light from a light outputting section; an optical processing unit that generates spectral distribution from the condensed light output from the light outputting section of the light-guiding member; and a recognition processing unit that recognizes the paper sheet based on a feature of the spectral distribution generated by the optical processing unit..
08/07/14
20140218660
Dual display module and method for enhancing display brightness
A dual display module including a transmissive display panel, at least one transparent light guide device, and at least one light source is provided. The transmissive display panel has a first display surface and a second display surface opposite to the first display surface.
08/07/14
20140218618
Display device
A display device includes a display device body, a display portion arranged on the front side, a light source, a light source substrate, a light guide plate having a light incident surface, and a heat sink arranged to be opposed to the light incident surface of the light guide plate between the light guide plate and the light source substrate, including a light source arrangement hole configured to arrange the light source and a spacer portion arranged to be opposed to the light incident surface of the light guide plate between the light guide plate and the light source substrate and keeping an interval between the light incident surface of the light guide plate and the light source at a prescribed interval.. .
08/07/14
20140218617
Display device
A display device includes a display portion displaying an image on the front side, a light guide plate arranged on the rear side of the display portion, a heat radiation member arranged on the rear side of the light guide plate, radiating the heat of the light source, and a reflective sheet arranged between the light guide plate and the heat radiation member, including a heat reflecting portion capable of reflecting the heat radiated from the heat radiation member to the heat radiation member on the rear side, while the heat radiation member includes a heat releasing portion configured to release the heat reflected by the heat reflecting portion to the rear side of the heat radiation member.. .
08/07/14
20140218295
Computer mouse having a capacitive trigger layer
A computer mouse is provided with a curved cover, an operating zone formed on an outer surface of the cover, and a capacitive trigger layer formed on an inner surface of the cover, the capacitive trigger layer including first and second sensors arranged in matrix, the first sensors arranged perpendicular to the second sensors, and the sensors corresponding to the operating zone so that a touch of the operating zone changes capacitances of the sensors to generate a touch signal; a pcb disposed on the base and including a controller for processing and transmitting the touch signal, and a photo-sensing assembly for sensing reflected light, generating a signal representing the reflected light, and processing the reflected light signal; and a base complementarily, detachably secured to the cover, and a light guide for directing and converging light disposed on the base.. .
07/31/14
20140211509
Warping buffering structure for light guide plate and backlight module
The present disclosure provides a warping buffering structure for a light guide plate and a backlight module. The warping buffering structure includes: a first member with one side thereof contacting one end of the light guide plate of a backlight module; a second member with one side thereof flexibly connected to a side wall of a back cover of the backlight module, and the second member capable of sliding along an extending direction of the side wall; a first inclined surface formed on an end of one side of the first member which is away from the light guide plate; and a second inclined surface formed on an end of one side of the second member which is away from the side wall, and the second inclined surface contacting the first inclined surface and being slidably engaged with the second inclined surface..
07/31/14
20140211505
Backlight structures and backlight assemblies for electronic device displays
An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through the display layers in the display.
07/31/14
20140211501
Light guide plate and backlight module including same
A backlight module includes a light guide plate and a number of light sources. The light guide plate includes a frosted light incident surface, diffusion structures positioned on the frosted light incident surface, and dot-shaped micro-recesses positioned on the diffusion structures.
07/31/14
20140211457
Simplified low profile module witih light guide for pendant, surface mount, wall mount and stand alone luminaires
A luminaire having a waveguide suspended beneath a mounting element, the waveguide has a first surface proximal to the mounting element, a second surface distal to the mounting element, and an edge between the first and the second surfaces. At least one cavity extends into the waveguide from the first surface to the second surface.
07/31/14
20140211271
Scanner module and image scanning apparatus employing the same
A scanner module and an image scanning apparatus employing the same. The scanner module comprises an illuminator for illuminating light on an object to be scanned.
07/31/14
20140211127
Light guide plate, surface light source device, and display device
A light guide plate includes a body portion, and a plurality of unit shaped elements defining a light exit surface and arranged on one-side surface of the body portion side by side in an arrangement direction intersecting a light guide direction. Each unit shaped element extends in a direction intersecting the arrangement direction.
07/31/14
20140211126
Electronic device
An electronic device is provided. The electronic device includes a light source, a light guide, a display unit and a frame.
07/31/14
20140211125
Light guide plate and surface illumination device
A light guide plate includes a light introduction unit that confines light incident from a point light source through the light incident surface and a light guide plate body. The light introduction unit includes an inclined surface inclined toward an end of a surface of the light guide plate body from a surface in a portion having the thickness greater than that of the light guide plate body.
07/31/14
20140210793
User interface for white goods and associated multi-channel proximity sensors
A touch sensor including a housing, a light guide mounted in the housing the light guide featuring an aperture through which light exits and enters the light guide, and an inner surface facing the interior of the housing, the sensor further includes two light emitters mounted in the housing for emitting light beams into the light guide that exit the aperture at diverging angles and a light receiver mounted in the housing for receiving reflected light beams entering the aperture at an angle of incidence different than the diverging angles.. .
07/31/14
20140210332
Led lighting assembly and an led retrofit lamp having the led lighting assembly
An led lighting assembly may include a printed circuit board with an led chip, and a heat sink thermally conducted with the printed circuit board, wherein the led lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the led chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface.. .
07/31/14
20140210190
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 having front and rear surfaces, an emblem portion having one or more translucent areas and an illumination source.


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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