|| List of recent Light Guide-related patents
| Light guide for assisting intubation|
A light guide for assisting intubation can be used to assist the intubation, and includes a catheter and a light emitting element. The emitted light penetrates the surface of the animal's body out from the interior of the animal so as to recognize the location of the catheter for facilitating the subsequent intubation..
| Optical module assembly with connecting mechanism|
An optical module assembly comprises a first optical module and a second optical module engaged with the first optical module. Each of the first and second optical modules comprises a ferrule comprising a first planar surface, a second surface opposite to the first planar surface and at least one connecting mechanism exposed on the second surface of the ferrule, an optical waveguide mounted on the first planar surface of the ferrule, a light guide device coupling to the optical waveguide and disposed on the ferrule, an optical signal transmitted between the first planar surface and the second surface through the light guide device; and wherein the first optical module can be connected with the second optical module by the connecting mechanisms for increasing the transmitting distance of the optical signal..
| Image sensing apparatus for fingerprint identification and related decoder circuit|
An image sensing apparatus includes a substrate, a light guide plate, a plurality of photosensors and a light source. The substrate has a first side.
| Light guide plate for backlight and manufacturing method therefor|
A light guide plate for a backlight. The light guide plate includes: a light source unit for generating light; a light guide plate proximate to the light source unit and including an upper surface and a lower surface; and a light emission pattern configured to diffuse a portion of the light directed toward an image display panel, and a first straight pattern configured to channel the light along a direction substantially parallel to a direction of propagation of the light generated by the light source unit, both the light emission pattern and the first straight pattern being disposed on one of the upper surface and the lower surface of the light guide plate, in which the first straight pattern has peaks and valleys formed in alternating and repeating manner in a direction substantially perpendicular to a direction of propagation of the light generated by the light source unit..
| Display apparatus and light emitting module thereof|
A display apparatus comprising a display panel and a light emitting module disposed oppositely is provided. The light emitting module comprises a light guide plate, a plurality of light guide grooves and at least a light unit.
| Backlight assembly and display device|
Exemplary embodiments of the present invention relate to a backlight assembly and a display device, including a backlight unit including a light emitting diode (led) light source of and a light guide, and a bottom chassis disposed at a rear surface of the backlight unit, wherein the bottom chassis includes a bottom chassis main body, an inner supporting member disposed at an inner surface of the bottom chassis main body, an outer supporting member disposed at an outer surface of the bottom chassis main body, and a fastener to fasten at least two of the bottom chassis main body, the inner supporting member, and the outer supporting member.. .
| Display device including backlight assembly|
A display device includes: a backlight assembly which generates and outputs light; and a display panel which displays an image with the light from the backlight assembly. The backlight assembly includes: a light emitting unit which generates the light; a light guide plate which guides the light provided from the light emitting unit toward the display panel and includes a protruding part which protrudes laterally from the light guide plate from the light guide plate at a first corner thereof; and a reflective member which is on a surface of the protruding part and reflects the light provided from the light emitting unit toward the protruding part and toward a second corner of the light guide plate and the periphery of the second corner..
| Narrow border backlight module and manufacturing method thereof|
A narrow border backlight module includes a frame, a reflective isolation layer, and a light guide element. The frame includes a plural of sidewalls connected to each other, and the bottom of the frame is hollow.
| Candle light led light bulbs|
A light bulb includes a light emitting device at the base of the bulb and a light guide (320) that guides the emitted light to a diffusion element (330) above the base of the bulb. The diffusion element is configured to diffuse the light so as to emulate the predominantly radial light distribution pattern produced by a candle.
| Lighting appliance for vehicles|
A lighting appliance has a flat light guide and multiple light sources radiating light beams and a section for coupling-in light of the flat light guide, wherein the flat light guide has a surface for coupling-in the light beam and a deflecting surface for deflecting the coupled-in light beam toward a main section of the light guide, onto which a surface for coupling-out of light abuts in the light guiding direction, that the main section extends between the section for coupling-in of light and the surface for coupling-out of light has opposing flat sides, on which the coupled-in light beam is fully reflective in direction of the surface for coupling-out of light, wherein the surface for coupling-in of light is embodied so that the coupled-in light beam is directed under a tipping angle relative to a main radiation direction of the light source in the direction of the deflecting surface.. .
| A light guide|
A light guide (201) including a transparent element is presented. The transparent element includes a first end (203) including a place for a light source, a second end (204) opposite the first end, an outer surface (205) between the first and second ends, and an interior channel (206) extending from the first end to the second end.
| Wearable data display|
A transparent wearable data display having a source of collimated light a deflector for deflecting the collimated light into a scanned beam, and a first array including one column and integer n rows of switchable grating elements sandwiched between first and second parallel transparent substrates. The substrates together functioning as a first light guide, and a second array including m columns and n rows of switchable grating elements sandwiched between third and fourth parallel transparent substrates which together function as a second lightguide.
| Light emitting device, super luminescent diode, and projector|
A light emitting device includes: an active layer; and a first cladding layer and a second cladding layer that sandwich the active layer, wherein the active layer forms an optical waveguide that guides light, a traveling direction of the light guided in the optical waveguide changes at a first reflection part provided on a first side surface of the active layer, and the first reflection part is located outside of a region in which the first cladding layer and the second cladding layer are provided in a plan view.. .
| Liquid crystal display device with brightness adjustment|
An lcd device includes a backlight module, a liquid crystal layer, a brightness detecting module and a control unit. The backlight module includes a light guide plate and light sources.
| Liquid crystal display device|
The present invention provides a liquid crystal display device, comprising: a light source, a light guide plate having a light-exiting surface, a substrate having a first surface and a second surface opposite to the first surface, a display area of the second surface comprising a pixel area and at least one non-pixel area, and a gap provided between the light-exiting surface of the light guide plate and the first surface of the substrate, wherein, at least one slot is provided on the light-exiting surface of the light guide plate; a part of the light generated by the light source and entering the light-exiting surface of the light guide plate, after being refracted by the slot and the gap sequentially, is refracted by the first surface of the substrate into the substrate, and then enters the pixel area. According to the present invention, it is able to change the light transmission path, thereby to effectively reduce the light entering a non-pixel area..
| Liquid crystal display device|
Disclosed is an lcd device with reduced thickness and bezel width. The lcd device includes a liquid crystal display panel configured to include an upper substrate and a lower substrate that are facing-coupled to each other, a backlight unit configured to include a light guide plate which irradiates light incident from a light source module on the liquid crystal display panel and an optical sheet disposed on the light guide plate, and a coupling member configured to couple the liquid crystal display panel to the light guide plate with the optical sheet therebetween such that a sealed space is provided between the liquid crystal display panel and the light guide plate..
| Electronic device|
An electronic device includes a housing, a metallic support plate, a mounting frame, and a backlight module. The housing includes a side frame, and a mounting frame mounted on the side frame.
| Illumination device, display device, and television reception device|
A backlight device (24) of the present invention includes: a chassis (22) having at least a bottom plate (22a) that is rectangular in a plan view; a light guide plate (20) that has light-receiving faces (20a), which are side faces, and a rear surface that faces the surface side of the bottom plate (22a); led light sources (28) that are arranged on the surface side of the bottom plate (22a) and that face the respective light-receiving faces (20a); protruding parts that have a protruding shape and spacer parts positioned on the surface side of the bottom plate (22a), facing the light guide plate (20) side; and a reflective sheet (26) that is arranged between the light guide plate (20) and bottom plate (22a). A portion of the end edge of the reflective sheet (26) is a free section (26b) that allows movement in the plate surface direction of the light guide plate (20), and the other end edges are restricted sections (26a) that restrict movement in the plate surface direction of the light guide plate (20) by being held between the respective spacer members and the light guide plate (20)..
| Scintillation detector with active light guide|
A scintillation detector array includes a scintillator array comprising a plurality of scintillator elements, a photodetector array comprising a plurality of photodetector elements, an active light guide separating the scintillator array from the photodetector array. The active light guide formed of a scintillator material having different emission properties than the plurality of scintillator elements..
|Multi-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.. .
|Physiological 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.
|Biometric 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.. .
|Light 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..
|Circuit 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.. .
|Visual 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.
|Light 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.
|Interactive 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.
|Light 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.
|Side-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.
|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.. .
|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.
|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.
|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.
|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.
|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.
|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.. .
|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.. .
|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..
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..
|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.
|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.
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.
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).
|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.
|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.
|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.
|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.
|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.
|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.
|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.
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.. .
|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.
|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.
|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.