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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


Physiological sensor having biodegradable optics

Biometric information image-capturing device, biometric authentication apparatus and manufacturing method of biometric…

Light guide plate

Date/App# patent app List of recent Light Guide-related patents
07/17/14
20140200566
 Multi-spot laser probe with micro-structured distal surface patent thumbnailMulti-spot laser probe with micro-structured distal surface
An optical surgical probe, configured to optically couple to a light source; comprising a cannula; a light guide within the cannula, configured to receive a light beam from the light source, to guide the light beam to a distal end of the light guide, and to emit the light beam at the distal end of the light guide; and a multi-spot generator at a distal end of the cannula, the multi-spot generator having a faceted proximal surface with oblique facets, configured to receive the light beam emitted at the distal end of the light guide and to split the received light beam into multiple beam-components, and a distal surface through which the multiple beam-components exit the multi-spot generator, wherein the distal surface is micro-structured with a modulation length smaller than a wavelength of the light beam in order to reduce the reflectance of light back into the probe.. .
07/17/14
20140200421
 Physiological sensor having biodegradable optics patent thumbnailPhysiological sensor having biodegradable optics
Medical sensor assemblies configured to provide enhanced patient comfort when worn over a period of time are provided. The medical sensor assemblies may include sensors in optical communication with one or more biodegradable light guides that facilitate the transmission of light to and from an internal tissue of the patient.
07/17/14
20140198957
 Biometric information image-capturing device, biometric authentication apparatus and manufacturing method of biometric information image-capturing device patent thumbnailBiometric information image-capturing device, biometric authentication apparatus and manufacturing method of biometric information image-capturing device
A biometric information image-capturing device includes an image capturing unit configured to photograph a body part including biometric information to generate a biometric image in which the biometric information is represented, at least one light source disposed in the periphery of the image capturing unit and configured to illuminate light toward a photographing range of the image capturing unit, and a light guide member disposed to be opposed to the at least one light source in the periphery of the image capturing unit and provided with a concaved portion located at a surface of the light guide member, the concaved portion being nearer to the image capturing unit side than the at least one light source.. .
07/17/14
20140198531
 Light guide plate patent thumbnailLight guide plate
The light guide plate includes two layers having different particle concentrations, in which the thicknesses of the two layers are varied to change the combined particle concentration of the light guide plate, and conditional expressions of 0.3 mm≦tlg≦4 mm and 0.3≦tcen/tlg≦1 are satisfied when the thickness in the direction perpendicular to the light exit surface is defined as tlg and the thickness at the center of the second layer is defined as tcen. The light guide plate of the present invention can have a large and thin shape, can emit light having high light use efficiency and small luminance unevenness, can obtain a middle-high or bell-shaped brightness distribution and can be easily manufactured..
07/17/14
20140198530
 Circuit board and flat panel display including the same patent thumbnailCircuit board and flat panel display including the same
Provided are a circuit board for irradiating light to a light guide plate and a flat panel display having a structure for efficiently fixing the circuit board and the light guide plate, the circuit board, including: a support substrate comprising a first area and a second area, the second area being bent from the first area; a plurality of light emitting device mounting parts disposed in the first area; and a protective member connecting part of an outer side of the plurality of light emitting device mounting parts.. .
07/17/14
20140198527
 Visual media soft light system patent thumbnailVisual media soft light system
Improved soft lighting systems for the arts, media, and entertainment industry are disclosed. In certain aspects, the systems employ one or more edge-lit led light guide panels using high flux, optical grade, and/or binned leds to produce higher quality, uniform, diffused soft visual media light.
07/17/14
20140198526
 Light guide plate and lighting lamp patent thumbnailLight guide plate and lighting lamp
A light guide plate (lgp) and a lighting lamp including the lgp. The lgp has no frame and is easy to be spliced together.
07/17/14
20140198525
 Interactive image system and image display device patent thumbnailInteractive image system and image display device
An interactive image system includes an image display device and a control device. The image display device includes a housing, a display unit, a light emitting component and at least one light guide element.
07/17/14
20140198524
 Light guide plate with v-shaped micro-structures on light output surface patent thumbnailLight guide plate with v-shaped micro-structures on light output surface
A light guide plate includes a bottom surface and a light output surface opposite to the bottom surface. A number of scattering domes are positioned on the bottom surface.
07/17/14
20140198522
 Side-edge backlight module patent thumbnailSide-edge backlight module
The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane and the backlight source receive an aluminum-extruded heat sink arranged therebetween.
07/17/14
20140198476
Illumination-type push button device
An illumination-type push button device including a board for light source, a diffusing lens having a dome shape, a first light source portion and a second light source portion, and a light guide member, where the diffusing lens is configured such that light of the second light source portion enters the diffusing lens from a back surface, and is diffused from a front surface of the diffusing lens, thereby being irradiated to an outside of the device, and the light guide member is configured such that light of the first light source portion enters the light guide member from an incident surface opposed to the first light source portion on the one end side of the light guide member to be guided inside the light guide member, and exits from an outgoing surface on the other end side of the light guide member, thereby being irradiated to the outside.. .
07/17/14
20140198279
Display apparatus having haze element
A display apparatus comprising a display panel, a light module and a haze element is provided. The light module comprises a light guide plate, a plurality of light guide elements and a first light emitting unit.
07/17/14
20140197322
Multi-spot collection optics
Apparatus for detecting optical radiation emitted from an array of spots on an object. The apparatus includes a plurality of light guides having respective input ends and output ends, with the input ends ordered in a geometrical arrangement corresponding to the array of the spots.
07/17/14
20140197321
Composite gamma-neutron detection system
The present invention provides a gamma-neutron detector based on mixtures of thermal neutron absorbers that produce heavy-particle emission following thermal capture. The detector consists of one or more thin screens embedded in transparent hydrogenous light guides, which also serve as a neutron moderator.
07/17/14
20140197301
Global shutter image sensors with light guide and light shield structures
An image sensor operable in global shutter mode may include an array of image pixels. Each image pixel may include a photodiode for detecting incoming light and a separate storage diode for temporarily storing charge.
07/10/14
20140194954
Photoradiation device and photoradiation therapy/prophylaxis device comprising same
A photoradiation device of the present invention includes a light emitting unit that radiates radiation light; a reflection unit that reflects the radiation light; and a light guide unit that guides the reflected radiation light to an irradiation target body. The light guide unit includes a first light guide face and a second light guide face.
07/10/14
20140194862
Multi-spot laser probe with micro-structured faceted proximal surface
An optical surgical probe includes a cannula; a light guide within the cannula, configured to receive a light beam from the light source, to guide the light beam to a distal end of the light guide, and to emit the light beam at the distal end of the light guide; and a multi-spot generator at a distal end of the cannula, the multi-spot generator having a faceted proximal surface with oblique facets, configured to receive the light beam emitted at the distal end of the light guide and to split the received light beam into multiple beam-components, and a distal surface through which the multiple beam-components exit the multi-spot generator, wherein the proximal surface of the multi-spot generator is micro-structured with a modulation length smaller than a wavelength of the light beam in order to reduce the reflectance of light back into the probe.. .
07/10/14
20140192559
Light guide structures and display devices
Light guide structures that include a transparent plate having a first end and a second end; and a plurality of transparent light guide members, each transparent light guide member extending from the first end to the second end along one surface of the transparent plate and being configured to emit white light in response to light applied thereto are described.. .
07/10/14
20140192558
Illumination systems providing direct and indirect illumination
Illumination devices are described for illuminating a target area, e.g., floors of a room, using solid-state light sources. In general, an illumination device includes a first light guide extending along a first plane, the first light guide to receive light from first light emitting elements (lees) and guide the light in a first direction in the first plane; a second light guide extending along the first plane, the second light guide to receive light from second lees and guide the light in a second direction in the first plane opposite to the first direction; a first redirecting optic to receive light from the first light guide and direct the light in first and second angular ranges; and a second redirecting optic to receive light from the second light guide and direct the light in third and fourth angular ranges, where the first, second, third and fourth angular ranges are different..
07/10/14
20140192556
Backlight unit
A back light unit includes a light source and a light guide unit having a first surface emitting light to a display panel, a second surface facing the first surface, and a plurality of connecting surfaces connecting the first surface and the second surface. The connecting surfaces includes a first side surface, a second side surfaces and a third side surface between the first side surface and a second side surface, a first included angle of the first incident surface and the first diffusion surface is equal to or greater than about 90 degree..
07/10/14
20140192554
Illumination device and display device provided therewith
Provided is an illumination device that can suppress uneven brightness in a member to be illuminated caused by the positioning structure of the light guide plate. An illumination device (10) includes light sources (11), a light guide plate (13) that guides light from the light sources, and positioning members (14) that position the light guide plate.
07/10/14
20140192553
Backlight module with light-varying structures formed in a light guide plate
A backlight module is disclosed. A light guide plate includes a main body and a plurality of light-varying structures.
07/10/14
20140192552
Backlight module
The present invention provides a backlight module which contains a collection device for collecting sunlight, an optical fiber cable, at least a light guide device connecting the collection device through the optical fiber cable, and a diffusion device and an optical member fixed at a distance from a side of each light guide device. Sunlight is collected by the collection device and is introduced into each light guide device; and each light guide device then guides and projects the collected sunlight onto the diffusion device and the optical member sequentially.
07/10/14
20140192550
Luminaire
The invention relates to a luminaire that enables the use of more sparsely distributed light sources, having a uniform fixture surface brightness and good color mixing. The luminaire comprises first and second light guide layers (10, 11) optically coupled together by at least one optical coupler (12a, 12b), which allows the passage of light from the first (10) to the second light guide layer (11).
07/10/14
20140192546
Vehicular light guides and assemblies with uniform illumination
A light guide is provided that includes a light chamber defined by isotropically luminant top, bottom, and back surfaces, and a front surface having a translucent lens. The light guide also includes a reflective diaphragm within the chamber that defines a top gap between the diaphragm and the top surface, and a bottom gap between the diaphragm and the bottom surface.
07/10/14
20140192521
Light guide element
A light guide element (201) for modifying a light distribution pattern of a light source (202) is presented. The light source radiates first light beams to a first quarter-space and second light beams to a second quarter-space, where the first and second quarter-spaces are defined by mutually perpendicular spatial planes and one of the spatial planes constitutes a planar boundary between the first and second quarter-spaces.
07/10/14
20140192405
Adjustable collimator for coupling a light guide to a microscope
A solid state illumination system is provided as a replacement for conventional arc light, metal halide and xenon white-light sources for applications in life sciences including, microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white light output from led light sources.
07/10/14
20140192293
Liquid crystal display device
A liquid crystal display device includes: a light guide plate including a front surface, a back surface and an edge surface, the light guide plate being arranged such that the edge surface faces a light source, the light guide plate internally reflecting light incident from the edge surface and causing surface emission from the front surface; a liquid crystal display panel; and a reflective sheet arranged so as to face the back surface of the light guide plate. The back surface includes a first portion and a second portion.
07/10/14
20140192006
Touch sensor integrated with a light guide
Various approaches discussed herein provide a display screen that integrates both capacitive touch sensing and a light guide onto a single optically clear substrate. The substrate can be integrated into a portable device, such as an electronic reader (e-reader) device having a reflective display in order to both illuminate content displayed on the e-reader device and to provide touch sensing input to the device.
07/10/14
20140191427
Selective uv curing of epoxy adjacent to optical fibers by transmitting uv energy through the fiber cladding
A method and system for affixing multi-core fiber (mcf) within a ferrule includes a uv light source and a light guide. Mcfs are placed into epoxy filled holders, e.g., channels or v-grooves, of a ferrule.
07/10/14
20140191118
Apparatus and system for measuring flicker of display panel
An apparatus and a system for measuring flicker of a display panel are disclosed. The apparatus comprises a light guide tube, a measuring probe for flicker measurement, and an optical device for diverging fight.
07/03/14
20140187864
Endoscope
An endoscope includes: an insertion portion; an operation portion provided on a proximal end side of the insertion portion, and including a first and a second sheath bodies; a fluid tube, a light guide fiber bundle, and a signal cable extended from a distal end portion and guided into an internal space of the operation portion; a main board provided in the internal space of the operation portion, wherein the fluid tube, the light guide fiber bundle, and the signal cable are provided on a surface of the main board; and an position regulating member attachable/detachable to/from a predetermined position of the main board, and in a state of being attached to the main board, regulates insertion states of the fluid tubes, the light guide fiber bundle, and the signal cable extended from the insertion portion toward the main board into a predetermined insertion state.. .
07/03/14
20140186792
Illumination system for dentistry applications
A dental illumination apparatus includes a lamp system mounted on a support structure. The lamp system includes a light source.
07/03/14
20140186487
Pin having light guide for injection mold
A pin having a light guide for an injection mold includes an outer sleeve having a hollow portion, an inner sleeve fixed to the hollow portion of the outer sleeve, a bundle sleeve fixed to a hollow portion of the inner sleeve, a bundle fiber fixed to a hollow portion of the bundle sleeve. A leading end portion of the bundle sleeve has a substantially cone-shaped caulked portion.
07/03/14
20140186482
Hot pressing equipment for forming spherical portions of light guide bodies
Exemplary hot pressing equipment for forming spherical portions of light guide bodies includes a top pressing plate, a bottom pressing plate facing to the top pressing plate, a heating unit located in the top pressing plate or the bottom pressing plate to raise the temperature of the top pressing plate and the bottom pressing plate, and a cooling tube located between the top pressing plate and the bottom pressing plate. Grooves having spherical end surfaces array on the top pressing plate and the bottom pressing plate.
07/03/14
20140185321
Light guide plate and backlight module
A light guide plate includes a plate body and a light incident portion, wherein the plate body has a top plate surface. The light incident portion is formed on a side of the plate body and has a thickness increasing as the light incident portion extends away from a center of the plate body.
07/03/14
20140185320
Optical coupling device and backlight module
An optical coupling device is used for optically coupling light sources with a light guide plate. The optical coupling device includes transparent light guide portions.
07/03/14
20140185319
Backlight module and display apparatus
The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel.
07/03/14
20140185318
Backlight assembly and a display device using the same
A backlight assembly includes a light guide member extending in a direction and having a light incident surface and a light exiting surface. A light source faces the light guide member and supplies light to the light guide member through the light incident surface.
07/03/14
20140185317
Back light unit and image display device using the same
According to one embodiment, an edge light-type back light unit includes, a light source, a light guide plate and a light quantity controller. The light source configured to exit light.
07/03/14
20140185316
Display device and method of manufacturing the same
A display device according to an embodiment of the invention includes a display member configured to display images, a light source member configured to generate light, and a light guiding member disposed between the light source member and the display member. The light guiding member is configured to guide the light to the display member.
07/03/14
20140185315
Backlight module
The present invention provides a backlight module, which includes a backplane, a backlight source arranged inside the backplane, a reflector plate arranged inside the backplane, a light guide plate arranged on the reflector plate, and a mold frame mounted to the backplane. The mold frame forms a projection.
07/03/14
20140184986
Display device
A display device according to this technique includes a slanting surface provided at a lower section of a housing accommodating a display panel and slanted in a depth direction; a receiving light guide member located at the slanting surface and having an incident surface exposed from a front surface of the housing, an emitting surface for emitting light to a light receiving sensor, and a reflective surface provided between the incident surface and the emitting surface; and an emitting light guide member, located at the slanting surface and having a front emitting surface slanted so as to be substantially flush with the slanting surface, for guiding light from a light emitting diode to the front surface of the housing.. .
07/03/14
20140184929
Display device and television receiver
Provided are: a thin display device that has reduced dimensions between a light guide plate and a display panel; and a television receiver provided with the display device. By threading screws, the edge of an opening and a bottom part press, with an elastic member interposed therebetween, the display panel and the light guide plate together.
07/03/14
20140184768
Scanning endoscope system
A scanning endoscope system has a light guide portion that guides an illuminating light, a drive portion capable of causing the light guide portion to swing so that an irradiation position of the illuminating light draws a locus corresponding to a predetermined scanning pattern, a light detecting portion that receives a return light of the illuminating light and outputs a signal, a control portion that drives the drive portion to perform scan so that the irradiation position of the illuminating light becomes a locus in a spiral shape, and an image generating portion that generates an image of an object based on a signal outputted from the light detecting portion in a predetermined timing, wherein the control portion further performs control for driving the drive portion so that the irradiation position of the illuminating light circles on a same circumference in the predetermined timing.. .
07/03/14
20140184084
Electronic incense assembly
An electronic incense assembly includes a burning chamber, an electronic stick, a camera module, an image processor and a controller. The burning chamber includes a sidewall.
07/03/14
20140183571
Display device
A display device includes a micro-lens film which has a high fill-factor and a high luminance ratio and prevents generation of moiré. The display device includes a display panel configured to display an image, a plurality of light emitting diodes (leds) configured to generate light to supply light to the display panel, a light guide panel configured to guide light to the display panel, and a micro-lens film including a base film that concentrates and diffuses light emitted from the light guide panel, a lens unit at an upper surface of the base film, and a back-coating film at a lower surface of the base film.
07/03/14
20140183367
Display device
This technique provides a display device including an optical unit that is located at a lower section of a housing accommodating a display panel. The optical unit has a unit main body that includes a plurality of light guide members integrally provided at a base, and a case accommodating the unit main body.
06/26/14
20140180264
Grin fiber multi-spot laser probe
A surgical probe includes a cannula assembly, having a graded index (grin) fiber that is configured to receive a multi-spot light beam at a proximal end and to emit the multi-spot light beam at a distal end ; an adapter, having a distal end, configured to receive the cannula assembly, with the proximal end of the grin fiber, a proximal end, configured to couple to a light guide via a connector and to receive a light delivered by the light guide from a laser source to the adapter, and an interface, configured to couple the light delivered by the light guide to the proximal end of the grin fiber; wherein a length of the grin fiber is sufficiently long that the interface is outside a patient's eye during a photocoagulation procedure.. .
06/26/14
20140180039
Wearable monitoring devices having sensors and light guides
A monitoring device includes a housing configured to be attached to a body of a subject. An optical emitter, optical detector, and sensor for measuring motion noise are located within the housing.
06/26/14
20140177278
Light guide member and method of manufacturing light guide member
To provide a light guide member such that more uniform brightness can be ensured in a wide region. A light guide member according to the present invention that receives light through side surfaces and outputs the light through main surfaces includes recesses formed by a machine in at least one of the main surfaces in a groove-like or dot-like shape, the recesses having bottom surfaces formed of molten material at the deepest part of the recesses.
06/26/14
20140177277
Light guiding plate
A light guide plate includes a light incident surface, a light output surface, a bottom surface opposite to the light output surface, and a plurality of dots formed on the bottom surface. Each dot includes a first curved surface, a second curved surface and two flat surfaces separately interconnecting the first curved surface and the second curved surface.
06/26/14
20140177276
Light guide plate having uniform light emission and backlight module
A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a light incident surface, and a side surface opposite to the light incident surface. The bottom surface is imaginarily divided into a plurality of rectangular portions along a direction from the light incident surface to the side surface.
06/26/14
20140177274
Light guide element and light source device using the light guide element
A light guide element and a light source device using the same are provided. The light guide element has a main body.
06/26/14
20140177273
Backlight module using laser emitters as light source
A backlight module includes a laser light source and a light guide plate. The light source locates beside a side surface of the light guide plate.
06/26/14
20140177269
Light guide plate having uniform light emission and manufacturing method thereof
A light guide plate includes a main body and a number of micro protrusions. The main body includes a light emitting surface, a bottom surface, and a light incident surface.
06/26/14
20140177265
Electronic incense censer
An electronic incense censer includes an electronic incense which consists of a light guide for guiding light and a sheath coated on a circumferential periphery of the light guide, a light source arranged at a light incident end of the light guide, and a light emitting portion arranged at a light output end of the light guide. A color of light generated by the light source is adjustable by mixing light beams having different colors, wherein intensities of the light beams are adjustable.
06/26/14
20140177261
Light source module
A light source module includes a light source and a light guiding pole. The light guiding pole is made of transparent material and has a light incident surface and at least one side surface connected to the light incident surface.
06/26/14
20140177249
Turn lamp for vehicle outside mirror
While a light source is arranged on the back side of a light guide lens, light beams can be emitted from the light source with respective optical axes directed in one direction and be guided toward opposite ends of the light guide lens. A light source and a reflective surface are arranged on the back side of a light guide lens.
06/26/14
20140177214
Elongated led luminaire and associated methods
A fluorescent tube retrofit luminaire includes a lamp, a light guide, and a heat dissipating frame. The lamp may include a bi-pin base, middle structure, and outer structure, which may include a light-emitting diode (led)-based light source in thermal communication with a finned heat sink section of the middle structure.
06/26/14
20140177198
Light source module and keyboard having the same
A light source module includes a light guide plate, a reflective plate, and at least one light emitting component. The reflective plate is provided at one side of the light guide plate, and the light emitting component is adjacent to the light guide plate.


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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