|| List of recent Light Guide-related patents
Where n1 is a refractive index of the light guide member, n2 is a refractive index of the securing material, and θi is a spread angle of incoming light from the optical fiber.. .
| Optical communication device|
An optical communication device includes a planar optical waveguide, a circuit board, a light emitting element, and a light receiving element. The circuit board includes a mounting surface.
| Backlight module having non-dot area and light guide plate using same|
A light guide plate includes a light mixing part and a visual part. The light mixing part includes a light mixing bottom surface, a light incident surface, and a top surface opposite to the light mixing bottom surface.
| Backlight assembly and display device having the same|
A backlight assembly includes a light guide plate (lgp) having a stepped portion formed at a corner of the lgp, an optical sheet disposed over the lgp and a receiving container receiving the lgp and the optical sheet. The receiving container includes a bottom plate, first through fourth sidewalls and a first lgp fixing portion.
| Light guide element and backlight module|
A light guide element includes a wedge-shaped light coupling member and a rectangular light guide plate. The light coupling member includes a first bottom surface, a top surface opposite to the first bottom surface, a light incident surface interconnected between the first bottom surface and the top surface, a first connecting surface parallel with and opposite to the light incident surface, a slanted surface connecting the first connecting surface to the top surface, and a reflection film formed on the top surface and the slanted surface.
| Led lighting device which has stable structure and is easily assembled and disassembled|
The led lighting device comprises a light guide plate comprising a top surface; an upper case comprising a base disposed on the top surface of the light guide plate, and an edge extending from the base, wherein the base is thicker than the edge; a lower case comprising a body coupled to the edge of the upper case; a reflective sheet disposed between the top surface of the light guide plate and the base of the upper case; and a light source unit disposed between the light guide plate and the body of the lower case.. .
| Illuminating device and display with illuminating device|
An illuminating device includes one or more light sources that output light, a translucent light guide member having one or more side surfaces and a light output surface, and a lens sheet positioned over the light output surface of the light guide member and including a first array of lenses and a second array of lenses extended in directions intersecting each other. The light source is positioned to have an optical axis substantially in agreement with a normal direction of the side surface of the translucent light guide member, and the first array or the second array of the lenses which is extended in a direction substantially orthogonal to the optical axis of the light source has a surface area in a range of from 20% to 50% with respect to a total surface area of the first and second arrays of the lenses..
| Mirror device for motor vehicles|
An outer housing with a cover having a pvd coating; a lens; and an illumination device such as leds, light guides, light emitting surfaces and/or blinkers. The lens has a first area internal to the cover, and a second, transparent area extending to one side of the outer housing.
| Flat device for illuminating the interior of a vehicle|
The invention relates to a device for illuminating an assembly in the interior of a vehicle. The device comprises a flat light guide that is at least partially covered by an optical lacquer coat.
| Planar surgical lamp|
A planar surgical lamp includes a plurality of planar light source modules connected to form the planar surgical lamp. Each planar light source module includes a plurality of planar light source unit and each planar light source unit includes a light guide plate, which has a light incidence face and a light exit face; a light source, which generates light that enters the light guide plate via the light incidence face and projects out through the light exit face; a diffusion board, which is arranged at one side of the light exit face of the light guide plate; a surface panel, through which the light transmits; and a light guide sheet, which is arranged between the diffusion board and the surface panel.
| Luminous keyboard device|
A luminous keyboard device includes plural keys, a light-emitting element, and a light guide plate. By the light guide plate, a light beam emitted by the light-emitting element is guided to the plural keys.
| Display apparatus|
In a display apparatus, image light emitted from an image forming device is incident on an image light incidence portion of a light guide member after being diffracted by a second diffractive optical element, and emitted from an image light emission portion after moving forward in the light guide member. The image light emitted from the image light emission portion is diffracted by a first diffractive optical element and reaches the eyes of an observer.
| Virtual image display apparatus|
An observer can observe a video in a state in which the visual line of the observer is caused to overlook the downward side. In particular, in a virtual image display apparatus, even when the positions of the eyes, the nose, and the ears of the observer deviate from standard positions and the observer cannot observe a video in a targeted overlooking direction in a worn state in standard setting, it is possible to change an angle in an overlooking direction with respect to a front direction and cause the observer to perform observation in a suitable visual line by changing, with a nose receiving section functioning as an adjusting section, the posture of the virtual image display apparatus and adjusting an emission state of video light from a light guide member according to individual differences of the observer..
| Optical communication device|
An optical communication device includes a planar optical waveguide, a substrate and an optical-electric element. The planar optical waveguide includes a first side surface and a light guide portion formed in the planar optical waveguide.
|Method and apparatus for motion compensation in interferometric sensing systems|
An optical interrogation system, e.g., an ofdr-based system, measures local changes, of index of refraction of a sensing light guide subjected to a time-varying disturbance. Interferometric measurement signals detected for a length of the sensing light guide are transformed into the spectral domain.
|Backlight unit of display device and white led|
A backlight unit of a display device includes a light bar and a light guide plate (lgp), where a plurality of ultraviolet (uv) light emitting diodes (leds) are arranged on the light bar, and a light incident surface of the lgp and the uv leds are oppositely arranged. At least one red-green-blue (rgb) quantum dot phosphor layer is arranged in a path of a light from the uv leds to a light emitting surface of the lgp.
|Led-based lamp including shaped light guide|
A light guide (302) for a lamp includes a proximal end (510) configured to receive light from at least one led. The received light forms an internal beam inside the light guide.
|Vehicle lighting device|
A vehicle lighting device according to embodiments includes a light emitting unit, a holding unit, a light guide, a cover and an attachment unit. The light emitting unit has one or more light emitting elements.
Lighting device, which is intended especially for external end lighting of motor vehicles, consists of an elongated light guide, provided with a light source at least at one of its ends and located in the space between the white rear cover of the lighting device and its front lens, while along the light guide on the side facing the front lens there is produced a transparent shielding filter in the form of a strip, for shielding the light guide, which is provided with a set of optical elements for directing the guided luminous flux onto the exit surface of the light guide, which is oriented in the direction of the internal surface of the white rear cover.. .
|Led fluorescent tube|
The invention relates to an led fluorescent tube, characterized in that the tube comprises: a light guide column; two round aluminum substrates or round copper-aluminum bases distributed symmetrically at both sides of the light guide column in the axial direction of the light guide column, gradually far away from the light guide column; two cylindrical hollow column radiators equipped with wire passing holes; and two holders. The led fluorescent tube of the invention has not only good heat dissipation, but also light weight and excellent energy-saving effect due to the structural advantages..
|Backlit keyboard and light guide module and manufacture method thereof|
A backlit keyboard includes a keyboard module having a plurality of key units and a light guide module including a light guide plate, a metal layer, and an insulation layer. The light guide plate has a light-exit surface and a bottom surface.
|Liquid crystal display apparatus and liquid crystal television|
A liquid crystal panel module includes a liquid crystal panel, an optical sheet and a light guide plate, which are sequentially laminated from the front side to the back side. A front cabinet is provided with an opening through which a screen of the liquid crystal panel is viewed.
|Liquid crystal display|
A liquid crystal display includes a liquid crystal panel, a backlight assembly, and a digitizer module. The liquid crystal panel is configured to display an image.
|Phase control backlight|
This document describes techniques and apparatuses for implementing a phase control backlight. A phase control backlight is configured to concentrate light to each pupil of a viewer of a display to cause images to be displayed to each pupil of the viewer.
|Light source module|
A light source module includes a light guide element, at least one light-emitting element, and a quantum dot element. The light guide element has a light incident surface and a light exiting surface.
An optical sensor has a light source, a characteristic light-guiding member, a characteristic changing part, a detecting unit, and an optical connecting unit. The optical connecting unit has a light branching unit configured to branch the light emitted from the light source to the characteristic light-guiding member, and branches the light guided by the characteristic light-guiding member to the detecting unit..
|Light source unit and image reading device|
The light source unit comprises a light source emitting visible light and light of a non-visible wavelength; a rod-like light guide at the end of which the light source is provided and within which incident light from the light source is propagated in the long axis direction; a reflector that is linear along the long axis direction and provided on the contour surface of the light guide; and a support member encompassing the reflector and light guide, having a given width in the direction perpendicular to the long axis direction, and provided with an opening extending along the long axis direction. The reflector and support member are formed by a reflecting material containing a substance reflecting the light of a non-visible light wavelength and reflecting the visible light and light of a non-visible light wavelength..
A fiber sensor includes a light source, and an optical fiber having flexibility to guide light emitted from the light source. The optical fiber has at least one light characteristics conversion portion.
|Light guide bar and light emitting device|
A light guide bar includes a light guide member and a light scattering member. The light guide member defines a cutout.
|Light guide element for controlling light shape|
A light guide element for controlling light shape includes a light-incident surface, a light-emitting surface, a first reflecting surface, and a second reflecting surface. The light-incident surface includes a first outer peripheral edge and a first inner peripheral edge.
|Optical coherence tomography|
Provided is an optical tomographic device including a measurement optical system that irradiates light from a light source to inside a subject and guides reflected light therefrom; a reference optical system that guides the light from the light source as reference light; a calibration optical system that irradiates at least one calibration reflecting surface with light from the light source branched from the measurement or reference optical system, and guides the reflected light reflected by the calibration reflecting surface; a light-receiving element that receives the interfering light for measurement formed by synthesizing the reflected light guided by the measurement optical system and the reference light, and the interfering light for calibration formed by synthesizing the reflected light guided by the calibration optical system and the reference light; and an arithmetic logic unit that corrects the received interfering light for measurement by using an analysis result obtained by analyzing the received the interfering light for calibration.. .
|Illuminating device, liquid crystal display device, electronic device, and manufacturing method of light guide panel|
When first grooves are formed by irradiating a lower surface facing a light outgoing surface of a light guide plate for an illuminating device with laser beams, an outer circumferential region is firstly irradiated with the laser beams to form second grooves. Then, the second grooves are inspected.
|Liquid crystal display apparatus and liquid crystal television|
A liquid crystal display apparatus includes a light source mounted on one surface of a substrate, a light guide plate on which light from the light source is made incident through a side face thereof, and a liquid crystal panel which receives light emitted from one surface of the light guide plate through a back face thereof to display an image on a front thereof. A connector which is disposed on one surface of the substrate to supply a power to the light source, a front cabinet which covers a front peripheral edge part of the liquid crystal panel and the substrate, and a cover which covers the light guide plate and the substrate from the back side.
Provided is a liquid crystal display device (display device) 1 equipped with a backlight device (backlight unit) 3 and a liquid crystal panel (display unit) 2. In the liquid crystal display device 1, the backlight device 3 is provided with a light guide plate 6 that, while guiding the light from a light emitting diode (light source) 4 in a predetermined direction, emits light to the liquid crystal panel 2 side.
|Display device and method for adjusting display device|
According to one embodiment, a method is disclosed for adjusting a display device. The device includes light sources, light guides, light extraction units, and a controller.
|Organic light emitting display device with side-view protecting feature|
A method of operating a light emitting, image display device that is configured to normally display to one or more viewers, a corresponding image thereof with a relatively wide viewing angle and relatively good contrast, includes selectively outputting to one or more peripheral portions of the wide viewing angle, privacy-protecting light rays of sufficient luminance to substantially reduce, for corresponding viewers viewing from the respective one or more peripheral portions of the relatively wide viewing angle, the otherwise normal and relatively good contrast of the image so as to thereby inhibit viewing of the image from the respective one or more peripheral portions. In one embodiment, the method is carried out using an organic light emitting diode (oled) panel and a light source part disposed on a backside of the oled panel and comprising at least one light guide plate and at least one light source..
|Virtual image display apparatus|
An optical unit housing section and a light guide device are supported by a frame. Durability of sections having an optical function in an entire apparatus is maintained.
|Electrochemical test sensor with light guide|
An electrochemical test sensor for detecting the analyte concentration of a fluid test sample includes a base, a dielectric layer, a reagent layer, a light guide area, and a lid. The base provides a flow path for the test sample haying on its surface a counter electrode and a working electrode adapted to electrically communicate with a detector of electrical current.
|Wirelessly-powered illumination of biological tissue|
In exemplary implementations of this invention, an implant device is wholly or partially implanted in a mammal. The implant device includes an antenna, circuitry, a supercapacitor, one or more light sources, and an array of optical fibers or light guides.
|Method for manufacturing artificial smouldering scent-stick|
A method for manufacturing the hemispherical light emitting portion of an artificial smouldering scent-stick comprises the steps of providing a light guide pipe and a light emitting element. The light guide pipe includes a bottom portion and a top portion opposite to the bottom portion.
|Depositing polymer solutions to form optical devices|
Provided are methods of depositing polymer solutions on substrates to form various optical elements. A polymer solution may include about 0.1%-0% by weight of a specific polymer having rigid rod-like molecules.
|Light emitting device and image forming apparatus|
A light emitting device includes a light source, a light guide plate, a diffusion sheet, and a lens. The light source is configured to perform partial light emission.
|Composite light guide plate, device and method for making same|
Composite light guide plate includes a substrate, a first transparent layer, and a second transparent layer. The substrate includes an upper surface and an opposite lower surface.
|Light guide device and backlight module containing the same|
A light guide device includes a light guide plate and a reflector. The light guide plate includes a light transmissive body with opposite first and second surfaces, and a plurality of first and second light guide structures extending along a first direction.
|Display sub-assembly for an hvac controller|
An hvac controller including a printed circuit board (pcb) and a display sub-assembly. The display sub-assembly may include a frame, a display, and a light guide.
|Light guide plate and backlight module having same|
A backlight module includes a light guide plate and a light source module. The light guide plate includes a light incident surface.
|Light source module|
A light source module with a wide angle of illumination into a light guide plate includes a light source unit and a light guide plate. The light source unit includes a laser light source, a light converging member, and a reflective member.
|Back light unit with light guide plate preventing dark area between leds|
A backlight unit with a light guide plate preventing a dark area between leds is provided, wherein dark area-preventing patterns may adequately compensate for the brightness in a gap between the leds that may be a dark area even under the condition that the gap is relatively large and greater than or equal to the width of an led and thus, uniform brightness may be obtained without an occurrence of the dark area. Accordingly, the number of the leds may decrease and thus, a large-sized backlight unit may be fabricated with a relatively low cost..
A backlight device (10) includes a chassis (11), reflective sheets (16l and 16r) on the surface of the chassis, and an edge-lit light guide plate (13) on the reflective sheets. The two reflective sheets cover the chassis.
|Light guide plate structure controlling uniformity from central portion to edge, and lighting lamp using same|
The objective of the present invention is to orient an led emitting surface not toward an upper surface, but rather toward a portion of a light guide plate on which the light is incident by using the scattering pattern of the light guide plate, and then maintain the uniformity of the distribution of the light emitted from the light guide plate by means of a scattering pattern of the light guide plate, in order to increase light-emitting efficiency. Provided is a light guide plate structure controlling light uniformity from a central portion to an edge, which includes said light guide plate having a hole in the center thereof for accommodating a light source means, wherein the light from the light source means is incident thereon, said light source means being arranged so as to emit light laterally through the incident light portion of the hole, the light guide plate being provided, on the upper surface thereof, with the scattering pattern, the size per unit area of which gradually increases from the central portion toward the edge such that the light distribution is uniform, wherein the light source means is accommodated in the hole of the light guide plate so as to emit light to the portion of the light guide plate on which the light is incident.
|Optical element and backlight module incorporating the same|
An optical element includes a light guide plate, a reflector received in a mounting hole of the light guide plate, and a supporting rod secured to and extending upwardly from the reflector. The light guide plate defines the mounting hole extending through the light guide plate from a top face to a bottom face thereof.
|Lighting device for vehicles|
A lighting device for vehicles with an elongated light guide comprising an end face for the coupling-in of light, into which a light beam radiated from a light source can be coupled-in. The lighting device further comprises elements for the coupling-out of light for the deflection of the coupled-in light beam in the direction of a front skin surface of the elongated light guide, on which the light beam can be coupled-out for the generation of a given light function, such that the front skin surface of the elongated light guide is connected to a rear skin surface by means of a curved dispersion surface.
|Lighting system for vehicle|
In a lighting system for a vehicle provided with a main light, an extension arranged between a reflector of the main light and an outer lens, a light guide member located in the vicinity of the extension, and a light source for the light guide member provided separately from a light source for the main light, the light source and a driver for the light guide member are arranged effectively to improve external appearance. A light incident section provided in the light guide member for admitting light from the light source for the light guide member, and a driver for the light guide member for adjusting power supply amount to the light source for the light guide member, are arranged in such a position as to be covered with an extension in a front view..
A vehicle headlamp includes an led light source, a light guide plate optically coupled to the led light source, and a convergent lens positioned therebetween to converge light from the led light source to an optical fiber bundle which is connected with the light guide plate. The light guide plate includes a light incident face for receiving light exiting from the convergent lens, a light exit face, a bottom face adjacent to the light incident face for reflecting light toward the light exit face thereof, and at least a bent surface extending between the bottom face and the light exit face.
|Bulb structure and light guide lamp cover thereof|
A bulb structure and a light guide lamp cover thereof are provided. The bulb structure comprises a light source and a lamp body.
|Light guide and illumination assembly incorporating the same|
A light guide (15) for delivering an illumination, in particular a reference or background illumination, the light guide comprising: a mirror box (21) which defines a mirror cavity (23), which receives a light source (19) therein, and includes an illumination aperture (25) from which an illumination is delivered; a transmissive diffuser (27) which is located at the illumination aperture to render the illumination diffuse; and a shutter member (41) which is movable into the cavity to obstruct the light source and provide for control of the radiance of the delivered illumination, whereby control of the radiance of the delivered illumination is determined by a position of the shutter member in the cavity.. .