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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 4514. Отображено 100.
19-01-2012 дата публикации

Illumination apparatus

Номер: US20120014128A1
Автор: Yu-Yuan Lin
Принадлежит: Qisda Corp

An illumination apparatus is disclosed and includes a light-guiding module and a light source module. The light-guiding module has a light-in surface, which is annular surface inside the light-guiding module. The light source module includes a plurality of light-emitting devices. Each light-emitting device is disposed toward the light-in surface and can emit light through the light-in surface into the light-guiding module. The light-guiding module can be a light-guiding plate with a through hole, a sidewall of which is treated as the light-in surface. The light source module can use an annular circuit board disposed in the through hole. The light-emitting devices are disposed on an outer annular surface of the annular circuit board toward the sidewall. Thereby, the invention can provide illumination of radially guiding light.

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Номер записи: 1
23-02-2012 дата публикации

Golf Training Devices

Номер: US20120046118A1
Автор: Ki Y. Nam
Принадлежит: Individual

Golf training devices for practicing driving a ball while providing a visual indication of the orientation of the face of the golf club and location on the face of the club when impact with the ball occurs. The information may be recorded and which can be later analyzed by playback to effectively reproduce the swing of the player. The club uses a row of flashing light sources parallel to the face of the head of the club which creates a line visible to the user to see the orientation of the club and location of the impact of the club with a ball. Various aspects and uses of the club are disclosed.

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Номер записи: 2
06-09-2012 дата публикации

Led lighting device which has stable structure and is easily assembled and disassembled

Номер: US20120224391A1
Автор: Han Gyoul Kim, Hwa Young Kim, II Yeong Kang, Jin Wook Kim
Принадлежит: LG Innotek Co Ltd

Disclosed is an LED lighting device which is easily assembled and disassembled and has a stable assemblability without structural shaking. The LED lighting device is able to improve a heat radiating characteristic and optical efficiency. The LED lighting device according to the embodiment includes a lower case; a light source unit disposed on one side of the lower case; a light guide plate disposed in parallel with the light source unit; and an upper case disposed on the light guide plate and coupled to the lower case in an attachable and removable way.

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Номер записи: 3
27-09-2012 дата публикации

Solar lighting apparatus with hybrid solar light diffuser having diffusion-refraction and diffusion-reflection functions

Номер: US20120243252A1
Автор: Byung Chul Kim
Принадлежит: ABM Greentech Co Ltd

A solar lighting apparatus uses optical fibers to transmit solar light for illumination. The apparatus includes a support frame, optical fibers, a hybrid solar light diffuser and a reflective sheet. The optical fibers are fastened to the support frame and are spaced apart from each other at regular intervals. The hybrid solar light diffuser is coupled to a lower portion of the support frame and includes a diffusion plate and diffusion lenses which are provided on the diffusion plate at positions corresponding to the respective optical fibers. Each diffusion lens has a width increasing from a top thereof to a bottom. An incident depression is formed in the upper end of each diffusion lens. A reflective surface is formed on the circumferential outer surface of each diffusion lens to diffuse and reflect solar light. The reflective sheet is applied to the lower surface of the support frame.

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Номер записи: 4
27-09-2012 дата публикации

Led lighting device with light guide plate

Номер: US20120243256A1
Автор: Ke-Chin Lee, Shu-Cheng Hsu
Принадлежит: Zhongshan Weiqiang Technology Co Ltd

A light guide plate includes a lateral side through which light enters and a front side through which light exits. A phosphor is coated on the lateral side. A light source includes a plurality of light emitting diodes (LEDs) having wavelengths of 230-520 nanometers (nm). The LEDs are mounted proximate to the lateral side and corresponding to, but separated from, the phosphor. A reflector includes a reflective surface and is mounted on a back side of the light guide plate with the reflective surface facing the light guide plate. A frame fixes the light guide plate, the light source, and the reflector. Colors of the phosphor and the light source are complementary. The phosphor absorbs light from the light source to transition into an excited state. The light guide plate outputs light from the light source and the phosphor through the front side.

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Номер записи: 5
08-11-2012 дата публикации

Lighting assembly

Номер: US20120281432A1
Автор: Alexey Titov, Fumitomo Hide, Ian Hardcastle, Jeffery R. Parker, Joseph Crookston, Martin E. Ligas, Timothy A. McCollum
Принадлежит: RAMBUS INC

A lighting assembly includes a light guide having opposed major surfaces between which light propagates by total internal reflection and a light input edge. The light assembly also includes a light engine. The light engine has a heat conductive armature having a receptacle for a portion of the light guide that includes the light input edge and a light source retained by and thermally coupled to the armature. The armature functions as a heat sink for dissipating heat generated by the light source. The light guide is mechanically retained in the receptacle, and the light guide and the armature cooperate to align the light input edge with the light source for inputting light from the light source into the light guide through the light input edge.

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Номер записи: 6
08-08-2013 дата публикации

Lampshade with tapered light guide

Номер: US20130201717A1
Автор: Robert L. Holman
Принадлежит: Qualcomm Mems Technologies Inc

This disclosure provides systems, methods and apparatus for illumination. In one aspect, a lampshade includes a light source coupled to a tapered light guide sheet. The light guide sheet extends laterally and is curved around a vertical axis. The light source injects light into the wide end of the tapered light guide sheet and the tapered sidewalls of the light guide sheet allow the light to escape out of the light guide sheet and in the general direction of the narrow end of the tapered light guide sheet, thereby allowing the lampshade to act as an up-light or down-light, depending on the direction that the narrow end is pointing. The lampshade may include light extracting and turning features and/or a reflector configured to eject light laterally outward from the light guide sheet, thereby allowing the lampshade to illuminate objects on the same plane as the lampshade.

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Номер записи: 7
17-10-2013 дата публикации

Lateral light source processing module and lighting device with the same

Номер: US20130272026A1
Автор: ming tang Yao
Принадлежит: E LON OPTRONICS CO Ltd

A lateral light source processing module and a lighting device with the lateral light source processing module are provided. The lateral light source processing module includes a first surface and a second surface opposed to the first surface. In addition, plural saw-toothed structures are formed on the second surface. An included angle between any surface of any saw-toothed structure and a normal line perpendicular to the first surface is a specified angle. Consequently, the light beams projected on the saw-toothed structure are subject to total internal reflection. According to the specified angle, the reflected light beams are propagated along a corresponding direction.

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Номер записи: 8
07-11-2013 дата публикации

Solar simulator and method for operating a solar simulator

Номер: US20130294045A1
Автор: Nico Morgenbrod
Принадлежит: OSRAM GMBH

A solar simulator with at least one lamp module, where the luminous module contains multiple light generating units is disclosed. Each of the light generating units contain at least one semiconductor light source, which generate light in a plurality of separately controllable wavelength ranges. Disposed downstream from the light generating units is a light-concentrating primary optical unit. A light-homogenizing secondary optical unit is likewise disposed downstream of the light generating units. And an imaging tertiary optical unit is disposed downstream of the secondary optical unit. A method for operating the solar simulator and the light generating units in such a way that the solar simulator generates light radiation that alters over time is also disclosed.

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Номер записи: 9
05-12-2013 дата публикации

Lighted Floor Panels and Portable Lighted Stage Systems Comprised of Same

Номер: US20130322110A1
Автор: Alfredo Gomez, Jose Cantu
Принадлежит: Individual

A lighted floor system has been invented to facilitate quick temporary installation, and ease of removal whereby the floor is particularly suitable for highly durable applications. A durable and inexpensive modular system permits these devices to be used as flooring for high-performance lighted stage is suitable for use in concerts and other performing art expositions. In particular, these lighted floor systems presented herein are formed of a ‘repeat unit’ element which may be affixed to similar or identical units in a paving scheme to cover a large area floor space. Each repeat unit includes one or more light panels to provide highly dynamic color light outputs of high uniformity with respect to the illumination fields. These panels include a construction suitable for high durability—i.e. they support being walked on; highly portable they support quick installation—uninstallation; and are quite inexpensive due to their unique construction.

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Номер записи: 10
20-02-2014 дата публикации

Solid State Lighting Strip for Mounting in or on a Panel Support Element of a Modular Panel System

Номер: US20140049980A1
Автор: Cornelis Gerardus Maria De Haas, Fetze Pijlman, Jochen Renaat Van Gheluwe, Maarten Marinus Johannes Wilhelmus Van Herpen, Menno Van Baardwijk, Michel Cornelis Josephus Marie Vissenberg, Siebe Tjerk De Zwart, Theodorus Johannes Petrus Van Den Biggel, Wilhelmus Petrus Adrianus Johannus Michiels
Принадлежит: Koninklijke Philips NV

The invention relates to a solid state lighting strip ( 100 ) for mounting in or on a panel support element ( 210 ) of a modular panel system ( 200 ). The strip comprises a plurality of solid state lighting elements ( 110, 110′ ), a light extraction layer ( 120 ) and a glare reducing layer ( 130 ). The solid state lighting elements are arranged such that the light emitted by said elements is coupled into the glare reducing layer via the light extraction layer. The solid state lighting strip ( 100 ) can be used as part of alighting system, a panel support element ( 210 ) and a modular panel system ( 200 ).

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Номер записи: 11
01-01-2015 дата публикации

Hollow light duct bend

Номер: US20150003102A1
Автор: David G. Freier, Steven H. Kong
Принадлежит: 3M Innovative Properties Co

The disclosure generally relates to efficient hollow light duct bends ( 200 ) that are capable of retaining a higher on axis transmission for partially collimated light propagating within a light duct ( 220, 230 ). In particular, the described hollow light duct bends ( 200 ) include input and output plates ( 214, 216 ) that have low reflectivity for near nonnal incident light, and high reflectivity for near grazing incident light.

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Номер записи: 12
27-01-2022 дата публикации

Light-emitting module and planar light source

Номер: US20220026043A1
Автор: Daisuke Iwakura
Принадлежит: Nichia Corp

A light-emitting module includes: a light source; a light guide plate including an upper surface and a lower surface, the lower surface being at a side opposite to the upper surface, the light guide plate being configured to guide light from the light source; a first light-reflective member located at a lower surface side of the light guide plate, wherein the first light-reflective member includes: a first resin member, and a first reflector, wherein a refractive index of the first reflector is lower than a refractive index of the first resin member; and a second light-reflective member located at a lower surface side of the first light-reflective member, wherein the second light-reflective member includes: a second resin member, and a second reflector, wherein a refractive index of the second reflector is higher than a refractive index of the second resin member.

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Номер записи: 13
27-01-2022 дата публикации

OPTICAL FIBER ILLUMINATION APPARATUS

Номер: US20220026617A1
Автор: Ahn Byoung Suk, Han Seung Sik, KIM Ji Yeon, Lee Ki Hong, LIM Jung Wook, Yu Jin Hee
Принадлежит:

Disclosed is an optical fiber illumination apparatus configured for ensuring high light efficiency and uniform luminosity when displaying an illumination pattern with flexible optical fibers in fiber optic lighting. 1. An optical fiber illumination apparatus comprising:a light source module including a light source configured to emit light, and a group of optical fibers configured to transmit the light when the light emitted from the light source is incident onto the optical fibers;a guide unit extending in a longitudinal direction of the optical fiber illumination apparatus and configured to fix arrangement and positions of the optical fibers so that each of the optical fibers extends in the longitudinal direction and a predetermined illumination pattern is implemented by the group of optical fibers; anda fixing unit mounted between the light source module and the guide unit and configured to align the optical fibers wound around a circumferential external surface of the guide unit so that the optical fibers are spaced from each other.2. The optical fiber illumination apparatus according to claim 1 , wherein the light source module includes:a bracket on a first side of which the light source is installed; anda ferrule disposed on a second side of the bracket to face the light source so that an end portion of each of the optical fibers is sheathed into the ferrule to be fixed thereto.3. The optical fiber illumination apparatus according to claim 2 ,wherein the bracket includes a first bracket portion and a second bracket portion, wherein each of the first and second bracket portions includes a first installation end portion that the light source is disposed and a second installation end portion which is bent from the first installation end portion and on which the ferrule is disposed,wherein when the first and second bracket portions are assembled to form the bracket, the second installation end portions of the first and second bracket portions are coupled to each ...

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Номер записи: 14
03-02-2022 дата публикации

KEYBOARD DEVICE CAPABLE OF PRODUCING MULTI-ZONE LIGHTING EFFECT AND ILLUMINATION MODULE THEREOF

Номер: US20220035416A1
Автор: Huang Yi-Chao, LIN HUI-LING, Pan Ding-Hsiang
Принадлежит:

A keyboard device includes a keyboard module and an illumination module. The keyboard module includes plural first keys and at least one second key. The illumination module includes a light guide plate and a circuit board. The light guide plate includes plural first mapping zones and a second mapping zone. The first mapping zones are located under the corresponding first keys. The second mapping zone is located under the second key. Moreover, at least one side-view light-emitting element and at least one top-view light-emitting element are installed on the circuit board. The side-view light-emitting element emits a first light beam. The top-view light-emitting element emits a second light beam. The first light beam is extracted through the corresponding first mapping zone and transferred to the corresponding first key. The second light beam is transferred to the second key. 1. A keyboard device , comprising:a keyboard module comprising plural first keys and at least one second key; and a light guide plate comprising plural first mapping zones and at least one second mapping zone, wherein the first mapping zones are located under the corresponding first keys, and the at least one second mapping zone is located under the at least one second key; and', 'a circuit board, wherein plural side-view light-emitting elements and at least one top-view light-emitting element are installed on the circuit board, wherein each side-view light-emitting element emits a first light beam, and the top-view light-emitting element emits a second light beam, wherein the first light beam is extracted through the corresponding first mapping zone and transferred to the corresponding first key, and the second light beam is directly transferred to the second key., 'an illumination module located under the keyboard module, and comprising2. The keyboard device according to claim 1 , wherein the circuit board is located under the light guide plate claim 1 , and the light guide plate comprises ...

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Номер записи: 15
17-01-2019 дата публикации

REFRIGERATOR

Номер: US20190017679A1
Автор: CHOI Changbong, JUNG Hyesun
Принадлежит:

A refrigerator apparatus includes a case opening passing through an inner case; and an lighting device in the opening, wherein the device includes: a lamp case having a cavity defined therein; a light-emitting unit accommodated in the cavity, wherein the light-emitting unit is disposed more outwardly than the case opening, wherein the light-emitting unit irradiates light toward an inner surface of the cavity; a cover coupled with the lamp case to cover the case opening, wherein light from the light-emitting unit is reflected from the cavity through the cover toward the refrigerator interior space; and a reflection portion formed on the cover, wherein the reflection portion is configured to allow light from the light-emission unit directed toward the case opening to be redirected toward the inner surface of the cavity.

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Номер записи: 16
22-01-2015 дата публикации

Display device

Номер: US20150023057A1
Автор: Hee-Kwang SONG, Jung Hyun Kim, Juyoung Yoon, Seokhyun NAM
Принадлежит: Samsung Display Co Ltd

A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices.

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Номер записи: 17
23-01-2020 дата публикации

FIBER OPTIC TWINKLING STAR PATTERNS BY MEANS OF LIGHT ENGINE AND SPECIALIZED OPTICS

Номер: US20200029406A1
Автор: Beckman John Christiaan, Bonilla Diana Elizabeth, Chang Kevin Julian, Chen David D., Cipolla Christopher Michael
Принадлежит:

Systems, methods, and apparatus for fiber optic lighting panels that produce twinkling star patterns by means of a light engine and specialized optics are disclosed. In one or more embodiments, a disclosed panel for creating a lighted scene comprises a substrate comprising a first surface, a second surface spaced from the first surface, and a plurality of apertures through the first and second surfaces. The panel further comprises an optical lens disposed on the first surface within each of the apertures. Also, the panel comprises a light distribution unit (LDU) comprising a plurality of light sources coupled to the second surface. Further, the panel comprises a bundle of optical fibers coupled to each of the light sources, where each of the optical fibers is in communication with one of the optical lenses for transferring light emitted by the light sources to create the lighted scene. 1. A panel for creating a lighted scene , the panel comprising:a substrate comprising a first surface, a second surface spaced from the first surface, and a plurality of apertures through the first and second surfaces;an optical lens disposed on the first surface within each of the apertures;a light distribution unit (LDU) comprising a plurality of light sources coupled to the second surface; anda bundle of optical fibers coupled to each of the light sources, wherein each of the optical fibers is in communication with one of the optical lenses for transferring light emitted by the light sources to create the lighted scene.2. The panel of claim 1 , wherein the substrate is configured to be mounted to an interior of a vehicle.3. The panel of claim 2 , wherein the vehicle is one of an airborne vehicle claim 2 , a terrestrial vehicle claim 2 , or a marine vehicle.4. The panel of claim 1 , wherein each of the optical lenses is convex in shape.5. The panel of claim 1 , wherein each of the optical lenses allows for light to be observed from up to an eighty-five (85) degree viewing angle.6. ...

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Номер записи: 18
23-01-2020 дата публикации

LIGHT GUIDE, DISPLAY DEVICE, AND GAME MACHINE

Номер: US20200029407A1
Автор: Takagi Yoshihiko
Принадлежит: Omron Corporation

Provided is a light guide for achieving an appearance resembling a stainless-steel surface with polishing marks. A light guide () guides incident light rays and emits some of the incident light rays from a light exit surface (). A plurality of light exit areas (), configured to change the directions of the incident light rays and emit the incident light rays from the light exit surface (), are arranged adjacent to one another. Each of the light exit areas () includes a plurality of light exit parts () in which directions of light rays with maximum intensities out of the light rays to be emitted are substantially the same. The light exit parts () in each of the light exit areas () are configured so that the directions of the light rays with the maximum intensities out of the light rays to be emitted from each of the light exit areas () are random. Each of the light exit areas () has a strip shape. 1. A light guide that guides incident light rays and emits some of the incident light rays from a light exit surface , the light guide comprisinga plurality of light exit areas arranged adjacent to one another and configured to change directions of the incident light rays and emit the incident light rays from the light exit surface,whereineach of the light exit areas includes a plurality of light exit parts in which directions of light rays with maximum intensities out of light rays to be emitted are substantially the same,the light exit parts in each of the light exit areas are configured so that the directions of the light rays with the maximum intensities out of the light rays to be emitted from each of the light exit areas are random, andeach of the light exit areas has a strip shape, and lengths of the light exit areas are random.2. (canceled)3. The light guide according to claim 1 , wherein the light exit area is linear or curved.4. The light guide according to claim 3 , wherein at least some of the light exit areas have linear strip shapes claim 3 , and the linear ...

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Номер записи: 19
17-02-2022 дата публикации

Light diffusing multi-fiber design configured for use with uv leds

Номер: US20220050252A1
Автор: Stephan Lvovich Logunov
Принадлежит: Corning Inc

Disclosed herein are embodiments of an ultraviolet (UV) illumination system. The UV illumination system includes at least one UV light emitting diode (LED) and a light-diffusing optical fiber bundle. The light-diffusing optical fiber bundle includes a bundle jacket and a plurality of optical fibers disposed within the bundle jacket. Each optical fiber is made up of a glass core having a glass composition with less than 90 mol % silica and a cladding surrounding the glass core. At least one of the glass core or the cladding includes scattering centers. Further, the light-diffusing optical fiber bundle is optically coupled to the UV LED. Also disclosed herein are a UV light-diffusing fiber and a method of sterilizing an object using a UV illumination system contain a UV light-diffusing fiber.

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Номер записи: 20
31-01-2019 дата публикации

Illumination Devices Including Multiple Light Emitting Elements

Номер: US20190033510A1
Автор: Allan Brent York, Brian D. Ogonowsky, Christopher H. Lowery, George E. Smith, George Lerman, Hans Peter Stormberg, Ingo Speier, Jacqueline Teng, Louis Lerman, Robert C. Gardner, Robert V. Steele, Wilson Dau
Принадлежит: QUARKSTAR LLC

A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting.

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Номер записи: 21
15-02-2018 дата публикации

Backlight module

Номер: US20180045396A1
Автор: Toshihiko Terashima
Принадлежит: Asia Optical Co Inc, Sintai Optical Shenzhen Co Ltd

A backlight module includes a housing, a lighting curtain, a light source, and a diffusion plate. The housing includes a base plate and a side wall inclined relative to the base. The lighting curtain is disposed in the housing, and includes a central portion separated from the base plate, and an edge portion inclined relative to the central portion. The edge portion is connected to the side wall. The light source is disposed on the base plate, and located under the central portion. The diffusion plate is located on the lighting curtain, and separated from the central portion. The edge of the diffusion plate is connected to the side wall.

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Номер записи: 22
03-03-2022 дата публикации

Solar flash light

Номер: US20220065414A1
Автор: Tung-Yao Yang
Принадлежит: Individual

A solar flash light includes a base, light guiding unit, inserting rod and solar photovoltaic module, where the base is provided with a through inserted hole, and a plurality of light emitting elements in electric connection with a circuit board, each light emitting element is configured in the inserted hole, and the on and off thereof is controlled by the circuit board; the light guiding unit includes two light guiding plates inserted in the inserted hole, and the bottoms of the plates face the corresponding light emitting elements; the surface of each light guiding plate is provided with a decorative pattern, the inserting rod is configured on the bottom of the base, and the solar photovoltaic module is assembled on the inserting rod, thereby converting solar energy into electrical energy to make light emitting elements irradiate, and achieving environmental protection and power saving.

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Номер записи: 23
03-03-2022 дата публикации

LIGHT GENERATING SYSTEM COMPRISING AN ELONGATED LUMINESCENT BODY

Номер: US20220066109A1
Автор: BENOY DANIEL ANTON, De Boer Dirk Kornelis Gerhardus, HAENEN LUDOVICUS JOHANNES LAMBERTUS, Hoelen Christoph Gerard August, JANSEN JOHANNES MARTINUS, KADIJK SIMON EME, SCARIA ABRAHAM VAMATTATHIL, YU JIANG HONG
Принадлежит:

The invention provides an elongated luminescent body () comprising an elongated support () and a coating layer (), wherein the elongated luminescent body () further comprises a body axis (BA), and a length parameter P of a body dimension perpendicular to the body axis (BA), wherein the length parameter P is selected from height (H), width (W) and diameter (D), wherein:—the elongated support () comprises a support material (), a support material index of refraction n1, wherein the support material index of refraction n1 is at least 1.4, a support surface (), and a support length (L);—the coating layer () is configured on at least part of the support surface () over at least part of the support length (L), wherein the coating layer () comprises a coating layer material (), a coating layer index of refraction n2, wherein coating layer index of refraction n2 is at least 1.4, and a coating layer thickness (d), wherein the coating layer material () has a composition different from the support material (), wherein the coating layer material () comprises a luminescent material () configured to absorb one or more of UV radiation and visible light, and to convert into luminescent material light () having one or more wavelengths in one or more of the visible and the infrared; and—the support material () is transmissive for the luminescent material light (), and (i) −0.2≤n1−n2≤0.2 and (ii) d/P≤0.25 apply.

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Номер записи: 24
14-02-2019 дата публикации

LAMP

Номер: US20190049093A1
Автор: HOROVITZ MICHAEL, HOROVITZ REUVEN NATAN NETA
Принадлежит:

A lamp, including: a plate, material thereof being optically transparent, the plate including two parallel surfaces and at least one rough width surface for illuminating outside the lamp; a plurality of illuminating sources disposed adjacent and along at least another width surface of the plate; and a user-movable shutter, for covering any of the plurality of illuminating sources, thereby the at least one rough width surface is uniformly illuminated, and thereby moving of the shutter adjusts intensity of the uniform illumination. 2. A lamp according to claim 1 , wherein said two parallel surfaces of said plate are optically polished claim 1 , thereby providing total internal reflection therealong.356. A lamp according to claim 1 , wherein said shutter comprises a roller shutter ().4. The lamp according to claim 1 , wherein at least one of said least one rough illuminating surface is parallel to said other width surface of said plate. The invention relates to the field of lamps. More particularly, the invention relates to a mechanical operable lamp.There is a long felt need to provide a mechanical operable lamp, for providing uniform intensity.A lamp, including: a plate, material thereof being optically transparent; a plurality of illuminating sources; and a user-movable shutter, for covering any of the plurality of illuminating sources.The drawings are not necessarily drawn to scale.The invention will be understood from the following detailed description of embodiments of the invention, which are meant to be descriptive and not limiting. For the sake of brevity, some well-known features are not described in detail.The reference numbers have been used to point out elements in the embodiments described and illustrated herein, in order to facilitate the understanding of the invention. They are meant to be merely illustrative, and not limiting. Also, the foregoing embodiments of the invention have been described and illustrated in conjunction with systems and methods ...

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Номер записи: 25
14-02-2019 дата публикации

Light-emitting unit, display apparatus, and lighting apparatus

Номер: US20190049651A1
Автор: Soya Araki, Takeshi Yamamoto, Tomoyuki Yoshimatsu
Принадлежит: Sony Corp

A light-emitting unit according to an embodiment of the present disclosure includes: a plurality of side-emission type light-emitting devices disposed two-dimensionally on a mounting surface; a light guide plate that is disposed at a position opposed to each of the light-emitting devices, and has uneven layers on a bottom surface and a top surface, the uneven layers controlling entry and exit of light; and a reflective structure that is fixed to at least the bottom surface out of the mounting surface and the bottom surface, and has a reflective section, the reflective section reflecting output light from each of the light-emitting devices toward the bottom surface.

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Номер записи: 26
10-03-2022 дата публикации

STIMULATION SYSTEMS WITH A LENS ARRANGEMENT FOR LIGHT COUPLING AND METHODS OF MAKING AND USING

Номер: US20220072329A1
Автор: Howard Joshua Dale
Принадлежит:

An implantable light generation arrangement for an optical or optical/electrical stimulation system includes a light source having an emission surface, wherein the light source is configured to generate light and emit the light from the emission surface; an optical waveguide having a first end and a core; a ball lens disposed between the light source and the optical waveguide and configured to receive the light emitted from the light source and direct the light onto the core at the first end of the optical waveguide; and a fixture holding the light source, optical waveguide, and ball lens in a fixed arrangement. 1. An implantable light generation arrangement for an optical or optical/electrical stimulation system , comprising:a light source having an emission surface, wherein the light source is configured to generate light and emit the light from the emission surface;an optical waveguide having a first end and a core;a ball lens disposed between the light source and the optical waveguide and configured to receive the light emitted from the light source and direct the light onto the core at the first end of the optical waveguide, wherein the ball lens is spaced apart from both the emission surface of the light source and the first end of the optical waveguide; anda fixture holding the light source, optical waveguide, and ball lens in a fixed arrangement.2. The implantable light generation arrangement of claim 1 , further comprising a casing surrounding the light source claim 1 , a portion of the optical waveguide claim 1 , the ball lens claim 1 , and the fixture.3. The implantable light generation arrangement of claim 1 , further comprising a lead comprising terminals disposed along a proximal end of the lead and conductors coupled to the terminals and extending along the lead claim 1 , wherein at least two of the conductors are coupled to the light source to electrically couple the light source to at least two of the terminals.4. The implantable light generation ...

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Номер записи: 27
28-02-2019 дата публикации

Molded Part and a Method for Manufacturing Such a Molded Part

Номер: US20190061614A1
Автор: Tobias Neuner
Принадлежит: Novem Car Interior Design GmbH

A molded part can comprise a backing and a decorative layer. The decorative layer has a back side facing the backing and a visible front side. A transparent or translucent layer is provided on the front side of the decorative layer, with a light source being provided about the molded part. An optical fiber can be connected to the light source on the visible, front side of the decorative layer. The optical fiber(s) can run parallel to the front side of the decorative layer in one or more grooves in at least some sections on the front side of the decorative layer. The optical fiber(s) may be formed by a transparent or translucent filler material introduced into the groove(s), the refractive index of the filler material being greater than the refractive index of the high-gloss layer. Implementations further include a method of making the same.

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Номер записи: 28
15-03-2018 дата публикации

ILLUMINATING UNIT AND DISPLAY APPARATUS

Номер: US20180074249A1
Автор: HIRASAWA Takeaki
Принадлежит:

An illuminating unit includes: a light-guiding section including a plurality of light-guiding plates, in which the light-guiding plates are stacked in a thickness direction and each have a light entrance section and a light output surface; a plurality of light sources that output light toward the light entrance sections of the respective light-guiding plates of the light-guiding section; and a substrate that supports the plurality of light sources and on which a circuit section is disposed, in which the circuit section drives each of the light sources. A first portion, on which the circuit section is disposed, of the substrate is disposed in opposition to a back surface of the light-guiding section. 1. An illuminating unit comprising:a light-guiding section including a plurality of light-guiding plates, the light-guiding plates being stacked in a thickness direction and each having a light entrance section and a light output surface;a plurality of light sources that output light toward the light entrance sections of the respective light-guiding plates of the light-guiding section; anda substrate that supports the plurality of light sources and on which a circuit section is disposed, the circuit section driving each of the light sources,a first portion, on which the circuit section is disposed, of the substrate being disposed in opposition to a back surface of the light-guiding section.2. The illuminating unit according to claim 1 , whereinthe substrate includes the first portion and a second portion, and has a bent shape, the second portion being disposed in opposition to the light entrance section, the bent shape being folded between the first portion and the second portion, andthe plurality of light sources are disposed at the second portion of the substrate.3. The illuminating unit according to claim 1 , further comprising a structure that is provided between the plurality of light-guiding plates and covers a portion on side of the light entrance section of the ...

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Номер записи: 29
24-03-2022 дата публикации

LIGHTING FIXTURE

Номер: US20220090748A1
Автор: ZHAO Yuxin
Принадлежит:

A lighting fixture includes a housing, a first light source, a light guide plate, and a second light source. The housing has an inner cavity and a mounting hole, the mounting hole communicates the inner cavity with an external environment of the housing, the light guide plate is installed in the mounting hole. A side of the light guide plate faces the inner cavity, the other side of the light guide plate faces an outside of the housing. The second light source projects second light to the light guide plate, the second light is capable of being projected to the outside of the housing through the light guide plate. The first light source projects first light, and is configured such that the first light is projected to the outside of the housing through the light guide plate, and the housing is a non-light-transmitting housing. 1. Alighting fixture , comprising:a housing,comprising an inner cavity and a mounting hole, the mounting hole communicates the inner cavity with an external environment of the housing, wherein the housing is a non-light-transmitting housing;a light guide plate installed in the mounting hole, wherein a side of the light guide plate faces the inner cavity, other side of the light guide plate faces an outside of the housing;a first light source that projects first light, wherein the first light is projected to the outside of the housing through the light guide plate; anda second light source projects second light to the light guide plate, the second light is capable of being projected to the outside of the housing through the light guide plate.2. The lighting fixture according to claim 1 , wherein the first light source and the second light source respectively project the first light and the second light onto different light incident surfaces of the light guide plate claim 1 , and the first light and the second light are emitted to the outside of the housing through a same light emitting surface of the light guide plate.3. The lighting fixture ...

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Номер записи: 30
18-03-2021 дата публикации

LIGHT SOURCE MODULE AND LIGHT GUIDE PLATE

Номер: US20210080078A1
Автор: Lee Hsin-Hung, Lee Kun-Hsien, Liu Chin-Ku, Wu Chung-Hao
Принадлежит: CHAMP VISION DISPLAY INC.

The invention provides a light source module including a light guide plate and light emitting elements. The light guide plate includes a main plate body and a plurality of optical microstructures. The main plate body has a light emitting surface and a back surface opposite to each other, and a light incident surface connected therebetween. The optical microstructures are formed on the back surface. Each optical microstructure includes at least two sections connected to each other, each section having a reflective surface. The light emitting elements are disposed on the light incident surface, and light emitted by each of the light emitting elements is reflected by at least some of the reflective surfaces and transmitted to the light emitting surface. In any optical microstructure, the reflective surfaces are not parallel to each other. 1. A light source module , comprising a light guide plate and a plurality of light emitting elements , wherein the main plate body comprises a light emitting surface and a back surface opposite to each other, and comprises a light incident surface connected between the light emitting surface and the back surface; and', 'the plurality of optical microstructures are formed on the back surface, each of the plurality of optical microstructures comprising at least two sections connected to each other, and each of the at least two sections comprising a reflective surface; and, 'the light guide plate comprises a main plate body and a plurality of optical microstructures, wherein'}the plurality of light emitting elements are disposed on the light incident surface, light emitted by each of the plurality of light emitting elements being reflected by at least some of the reflective surfaces and transmitted to the light emitting surface,wherein in any one of the plurality of optical microstructures, the reflective surfaces are not parallel to each other.2. The light source module according to claim 1 , wherein at least two sections of each of the ...

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Номер записи: 31
24-03-2016 дата публикации

Illuminated light duct joint

Номер: US20160084458A1
Автор: David G. Freier, Karl J. L. Geisler
Принадлежит: 3M Innovative Properties Co

The present disclosure provides a novel construction for an illuminated light splitter in a mirror-lined light duct. In particular, the present disclosure addresses the ability to split partially collimated light travelling through a light duct into two different light ducts using light diverters, while extracting a portion of the light from each of the light ducts and also from the common intersection region. In some cases, the visual appearance of the illumination in the intersection region can appear non-uniform due to the presence of the light diverters, and the present disclosure provides an illuminated light duct splitter ( 100, 200, 300 ) configuration that homogenizes the output from the illuminated duct within the intersection region ( 117, 217, 317 ).

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Номер записи: 32
31-03-2022 дата публикации

LIGHT SOURCE DEVICE AND LIGHTING DEVICE

Номер: US20220099273A1
Автор: Fujimoto Kazuyoshi, KUBO Yoshinori
Принадлежит:

A light source device of the present disclosure includes a sapphire plate having a first surface and a second surface facing each other, a wavelength conversion material located opposite the first surface of the sapphire plate, and a first excitation light source emitting a first excitation light having directivity to the wavelength conversion material through the second surface, in which an angle between the first surface and the second surface, and a c-axis of sapphire less than 10°, and an angle between the c-axis and an optical axis of the first excitation light is 5° or more and 75° or less. 1. A light source device comprising:a sapphire plate having a first surface and a second surface facing each other,a wavelength conversion material located opposite the first surface of the sapphire plate, anda first excitation light source emitting a first excitation light having directivity to the wavelength conversion material through the second surface, whereinan angle between the first surface and the second surface, and a c-axis of sapphire is less than 10°, andan angle between the c-axis and an optical axis of the first excitation light is 5° or more and 75° or less.2. The light source device according to claim 1 , wherein an angle between the c-axis and an optical axis of the first excitation light is 10° or more and 65° or less.3. The light source device according to claim 2 , wherein an incident angle of the first excitation light to the second main surface is 15° or more and 55° or less.4. The light source device according to claim 1 , further comprising a second excitation source emitting a second excitation light having directivity to the wavelength conversion material through the second surface claim 1 , wherein the first excitation light and the second excitation light are at least partially overlapped with the wavelength conversion material.5. The light source device according to claim 4 , wherein an angle between the c-axis and an optical axis of the first ...

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Номер записи: 33
12-03-2020 дата публикации

LIGHTING DEVICE AND LAMP FOR AUTOMOBILE INCLUDING SAME

Номер: US20200080697A1
Автор: Lee Dong Hyun
Принадлежит:

An embodiment provides a lighting device and a lamp for an automobile including the same, the lighting device comprising: a light source module extending in a first direction; and a lens arranged on the light source module and extending in the first direction, wherein the light source module comprises a light guide member extending in the first direction, a light emitting element disposed on one side of the light guide member, and a reflection member disposed on a circumference surface of the light guide member, and the light guide member comprises a light emitting portion extending in the first direction. 1. A lighting device comprising:a light source module which extends in a first direction; anda lens which is disposed on the light source module and extends in the first direction, whereinthe light source module includes a light guide member which extends in the first direction and having a bar shape,a light-emitting element which is disposed at one side of the light guide member,a reflection member which is disposed on an outer circumferential surface of the light guide member,the light guide member includes a light-emitting portion facing to the lens, andthe light-emitting portion is an area where the reflection member is not disposed on the light guide member.2. The lighting device of claim 1 , further comprising a housing including a first accommodation portion in which the light source module is disposed and a second accommodation portion in which the lens is disposed.3. The lighting device of claim 2 , wherein the housing includes an opening which connects the first accommodation portion and the second accommodation portion claim 2 ,wherein the opening has a tapered shape in which an area is increased in a direction from the first accommodation portion to the second accommodation portion.4. The lighting device of claim 1 , wherein the lens converts divergent light emitted through the light-emitting portion to parallel light.5. The lighting device of claim 4 ...

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Номер записи: 34
29-03-2018 дата публикации

Vehicular lamp and vehicular exterior rear view device

Номер: US20180086252A1
Автор: Shigehiko Kazaoka
Принадлежит: Koito Manufacturing Co Ltd

A vehicular lamp includes a light guide body configured with a two-color molded article of a light-transmitting member and a non-translucent member, and a light source configured to introduce light to the translucent member. The light guide body has a curved portion. The translucent member has a reflective step formed on a first surface thereof, which is in contact with the non-translucent member, so as to emit the light of the light source from a second surface, which is opposite the first surface. The second surface is exposed to an outside of a vehicle body on which the vehicular lamp is mounted.

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Номер записи: 35
31-03-2016 дата публикации

Solid State Broad Band Near-Infrared Light Source

Номер: US20160091367A1
Автор: Micheels Ronald H.
Принадлежит:

A light source for near-infrared transmission and reflection spectroscopy can be constructed from a combination of a high power blue or blue-green light emitting diode (LED) and a phosphor element based on an inorganic material. The phosphor element absorbs the LED light and, in response to the LED excitation, emits luminescence that continuously covers the 700-1050 nm range. One possible material that can be used for such a near-infrared emitting phosphor element is a single crystal rod of Ti+3 doped Sapphire. An alternative near-infrared emitting phosphor material is a disk or rectangular shaped composite of Tidoped Sapphire powder embedded in a clear optical epoxy or silicone encapsulant. Such a combination of a blue LED for excitation of a phosphor element that emits in a broad wavelength band has been widely used in white LEDs where the emission is in the 400-700 nm range. 1. A light source for use in spectroscopy comprising:a blue or blue-green high-power LED with center wavelength between 460 and 490 nm; and{'sup': +3', '+3', '+3, 'a Ti-Sapphire luminescent element selected from the group consisting of: a single crystal rod, a single crystal disk, a polycrystalline rod, a polycrystalline disk, a layer of Ti-Sapphire powder embedded in a clear optical encapsulant, and a layer of Ti-Sapphire powder mixed with one or more luminescent powders and embedded in a clear optical encapsulant;'}wherein the LED light passes through the luminescent element to produce luminescent emission which is used to illuminate a sample for spectroscopic measurement.2. The light source of claim 1 , further comprising a reflector surrounding the LED and luminescent element claim 1 , the reflector selected from the group consisting of a cylindrical aluminum coated reflector claim 1 , a cylindrical gold coated reflector claim 1 , and a cylindrical solid aluminum reflector.3. The light source of claim 1 , further comprising a transmission element positioned to relay light from the ...

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Номер записи: 36
05-05-2022 дата публикации

Single Edge Lit Lighting Module With Bi-Lobed Light Distribution

Номер: US20220137287A1
Автор: BÉLAND Stephane, GAGNE Jean, Kelly Timothy, Miles Andrew, Yaphe Howard, Yeo Terence
Принадлежит:

A single edge lit lighting module is disclosed which produces tailored light distributions valuable in many illumination applications. The lighting module comprises a unique light scattering optical element with volumetric light scattering properties which works in combination with configured reflective surfaces and optional surface relief features, Light distributions attainable using the invention are non-lambertian and anisotropic. Light distributions with one or more lobes of peak intensity can be produced which include, but are not limited to, symmetric and asymmetric batwing distributions, asymmetric distributions for perimeter lighting and symmetric distributions. The invention's unique single edge lit construction provide the means for achieving this without need for conventional two lit edges and within a compact form factor with narrow width, particularly well-suited for linear lighting fixtures that are suspended, surface mounted or recessed. Various embodiments also provide means for adjusting light distributions dynamically to control light output characteristics by the use of an additional cover lens or glare control films, and by controlling the input signals to the LED board included in the assembly.

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Номер записи: 37
29-03-2018 дата публикации

Backlight unit including curved light source unit and display apparatus having the same

Номер: US20180092207A1
Автор: Dong-Wook Kim, Jaesul An, Minsu JUNG
Принадлежит: Samsung Display Co Ltd

A display apparatus includes a display panel which displays an image with light and a backlight unit which provides the light to the display panel. The backlight unit includes a first light source, a second light source and a circuit board. The circuit board includes in a top plan view, a first edge lengthwise extending parallel to a first direction and a second edge lengthwise extending parallel to a second direction crossing the first direction, and a sidewall portion extending from the bottom portion. In a third direction crossing the first and second directions, the sidewall portion includes first and second sidewall portions respectively extending from the first and second edges, and on which the first and second light sources are mounted.

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Номер записи: 38
05-04-2018 дата публикации

HEATED LENS LIGHTING ARRANGEMENT

Номер: US20180094802A1
Автор: CAI Hongyi, FITZSIMMONS Eric, SCHROCK Steven D.
Принадлежит:

According to aspects of the embodiments, a lighting fixture is designed to help prevent the accumulation of snow or ice on the light emitting face (e.g., lens) of the lighting fixture. The lighting fixture harvests both the light and heat generated by at least one light source, such as but not limited to at least one LED light source. The lighting fixture adopts a flip-mount light source mounting design in which one side of a passive heat exchanger is mounted or secured closely adjacent or proximate to the lens, and the light source is mounted or secured to another side of the passive heat exchanger. The heat generated by the light source is conducted by the passive heat exchanger to heat the lens. Additionally, the light emitted from the light source is redirected back through the passive heat exchanger and to the lens using a bundle of light fiber cables. 1. A lighting fixture , comprising:a lens;a heat exchanger including at least one aperture through the heat exchanger;a housing that secures the lens and the heat exchanger at respective positions with facing surfaces thereof in proximity to each other;a light source secured to the heat exchanger; andat least one light fiber cable that extends from the light source at a first distal end to the at least one aperture at a second distal end.2. The lighting fixture according to claim 1 , wherein:the light source comprises a plurality of light emitting diode (LED) light sources mounted on the heat exchanger for substantially uniform conduction of heat throughout the heat exchanger.3. The lighting fixture according to claim 1 , wherein:the heat exchanger comprises a mounting niche formed at a proximate center of the heat exchanger for conduction of heat from the proximate center; andthe light source is mounted in the mounting niche.4. The lighting fixture according to claim 1 , wherein:the housing secures the lens and the heat exchanger with a space between the facing surfaces thereof; andthe space is substantially ...

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Номер записи: 39
28-03-2019 дата публикации

Planar illumination device

Номер: US20190094614A1
Автор: Makoto Furuta, Takashi Edamitsu
Принадлежит: MinebeaMitsumi Inc

A planar illumination device according to an embodiment includes a light guide plate, a substrate, a light source, a first fixing member, and a second fixing member. The light guide plate outputs, from a principal surface, light entering from a side surface. The substrate is disposed substantially in parallel with the principal surface of the light guide plate. The light source is provided on the substrate in a manner facing the side surface of the light guide plate. The light source has a light-emitting surface that outputs the light incident on the side surface. The first fixing member is disposed between the light guide plate and the substrate and fixes the light guide plate to the substrate. The second fixing member is disposed opposite to the first fixing member across the light guide plate and fixes the light guide plate to the light source.

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Номер записи: 40
06-04-2017 дата публикации

Illuminated feature for an led luminaire

Номер: US20170097460A1
Автор: Ken Czech, Krutin S. Desai, Michael David SanFacon, Michael Scott GARNER
Принадлежит: Focal Point LLC

Aspects of this invention relate to a system that provides an illuminated feature for an LED luminaire that can be used with opposite linear runs of LEDs to light the edges or sides of a luminaire without requiring additional LEDs. The system may include a light guide assembly located along an end housing of a light fixture, the light guide assembly including a light guide with a light guide end located proximate to one or more captured LEDs from a first plurality of LEDs located along a first side housing of the light fixture, and another light guide end located proximate to one or more captured LEDs from a second plurality of LEDs located along a second side housing of the light fixture, wherein the light guide receives the light from the one or more captured LEDs from the first plurality of LEDs and the one or more captured LEDs from the second plurality of LEDs and projects the light through the light guide, wherein when covered by a lens, the light emitted from the light guide is equivalent in appearance to the light emitted from the first plurality of LEDs and the second plurality of LEDs.

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Номер записи: 41
26-03-2020 дата публикации

REFRIGERATOR

Номер: US20200096252A1
Автор: LEE Sangmyung
Принадлежит:

A refrigerator includes a cabinet, a door, and a transparent display assembly covering an opening of the door through which an inside of the refrigerator is visible. The transparent display assembly includes a front panel, a rear panel defining, a display disposed between the front and second panels, a light guide plate spaced apart from the display, a spacer disposed between the front panel and the light guide plate and configured to maintain a predetermined distance between the light guide plate and the display, a display light configured to emit light to the light guide plate, and a light guide plate stopper disposed between an end of the light guide plate and the display light and configured to prevent the display light from contacting the end of the light guide plate by protruding toward the light guide plate further than the display light. 1. A refrigerator comprising:a cabinet defining a storage space;a door configured to open and close at least a portion of the cabinet, the door including an outer plate defining a front surface of the door and an opening to the storage space; and a front panel configured to cover the opening of the door,', 'a rear panel provided at a rear side of the front panel,', 'a module frame provided between the front panel and the rear panel,', 'a display provided in a space defined by the front panel, the rear panel, and the module frame,', 'a light guide plate provided at a rear side of the display to guide light toward the display,', 'a display light provided at an outer periphery of the light guide plate and configured to emit light to the light guide plate, the display light including a substrate spaced apart from the light guide plate, and light sources provided on the substrate, and', 'a light guide plate stopper configured to protrude from the substrate and toward the light guide plate, and, 'a transparent display assembly that is provided at the opening, wherein the transparent display assembly includeswherein a distance ...

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Номер записи: 42
02-06-2022 дата публикации

Light Fixture with Single Edge Lit Optical Assembly

Номер: US20220171119A1
Автор: BÉLAND Stephane, GAGNE Jean, Kelly Timothy, Miles Andrew, Yaphe Howard, Yeo Terence
Принадлежит:

A light fixture with a single edge lit optical assembly produces various light distributions which provide targeted control of light output with peak intensity that is non-normal to the light guide output face. The compact form factor of the light fixture embodiments having narrow width are particularly well-suited for use in linear lighting applications requiring suspended, surface and recessed installations typically used to illuminate walls, floors and/or ceilings. The light fixture can also be selectively configured and oriented during assembly and installation to achieve various lighting distributions. Optical components within the light fixture are typically positioned and retained in optical alignment with internal support features of a linear housing. The optical assembly typically includes LED board, light guide, and one or more reflectors, and an optically transmitting component further providing a fixture assembler a range of design choices. A variety of light distributions can be achieved including asymmetrical and symmetrical with one or more peak intensities. Further embodiments utilize selective alignment of light guide with one or more reflectors to achieve different light distributions. 2. The light fixture of wherein the linear housing includes internal support features integral to the extended cross-sectional profile area.3. The light fixture of wherein a specific internal support feature is a support ledge that supports the light guide and LED board preventing either from falling out of the light fixture when suspended vertically.4. The light fixture of wherein the back of reflector and front of light guide are retained in a configured spacing between support features.5. The light fixture of wherein the reflector and light guide are retained in a horizontal orientation when the light fixture is suspended vertically.6. The light fixture of wherein the LED board further comprises at least one electrical connector mounted onto the PCB.7. The light ...

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Номер записи: 43
19-04-2018 дата публикации

ILLUMINATION DEVICE

Номер: US20180106943A1
Автор: Ogura Wataru, ONOZUKA Katsuyuki, TANAKA Yoshitaka
Принадлежит: NICHIA CORPORATION

An illumination device includes: an optical fiber, the optical fiber allowing light emitted from a light source to be introduced at a first end portion thereof and to be guided through the optical fiber while emitting a portion of the light through a side surface of the optical fiber; a light-transmissive tube, the light-transmissive tube covering the side surface of the optical fiber such that a gap is located between the tube and the side surface of the optical fiber; and a light-shielding cap covering a second end portion of the tube at a side opposite the light source such that a space is located between a bottom portion of the cap and the second end portion of the tube. A second end portion of the optical fiber projects past the second end portion of the tube and is located at an inner side of the cap. 1. An illumination device comprising:an optical fiber having a first end portion and a second end portion opposite to the first end portion, the optical fiber allowing light emitted from a light source to be introduced at the first end portion thereof and to be guided through the optical fiber while emitting a portion of the light through a side surface of the optical fiber;a light-transmissive tube having a first end portion and a second end portion opposite to the first end portion, the light-transmissive tube covering the side surface of the optical fiber such that a gap is located between the tube and the side surface of the optical fiber; anda light-shielding cap covering the second end portion of the tube at a side opposite the light source such that a space is located between a bottom portion of the cap and the second end portion of the tube,wherein the second end portion of the optical fiber projects past the second end portion of the tube and is located at an inner side of the cap.2. The illumination device according to claim 1 , wherein the cap is made of aluminum or an alloy of aluminum.3. The illumination device according to claim 1 , wherein the tube ...

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Номер записи: 44
18-04-2019 дата публикации

REFRIGERATOR

Номер: US20190113274A1
Автор: LEE Sangmyung
Принадлежит:

A refrigerator includes a cabinet, a door, and a transparent display assembly covering an opening of the door through which an inside of the refrigerator is visible. The transparent display assembly includes a front panel, a rear panel defining, a display disposed between the front and second panels, a light guide plate spaced apart from the display, a spacer disposed between the front panel and the light guide plate and configured to maintain a predetermined distance between the light guide plate and the display, a display light configured to emit light to the light guide plate, and a light guide plate stopper disposed between an end of the light guide plate and the display light and configured to prevent the display light from contacting the end of the light guide plate by protruding toward the light guide plate further than the display light. 2. The refrigerator according to claim 1 , wherein the light guide plate stopper is integrally formed with the substrate.3. The refrigerator according to claim 1 , the light guide plate stopper is disposed both left and light sides end of the substrate.4. The refrigerator according to claim 1 , wherein the light guide plate stopper is disposed at a first side of the display light and a second side of the display light except for a center of the display light between the first and second sides.5. The refrigerator according to claim 1 , wherein the light guide plate stopper comprises:a pair of stoppers extending along both sides of a light emitting member among the plurality of light emitting members, each stopper protruding toward the light guide plate further than the light emitting member; anda stopper connection part connecting ends of the pair of stoppers to each other.6. The refrigerator according to claim 1 , further comprising a module frame connecting the front panel to the rear panel and sealing a space between the front panel and the rear panel claim 1 , the module frame defining a circumference of the transparent ...

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Номер записи: 45
13-05-2021 дата публикации

Joint layout and method for joining components and light guide element for use therein

Номер: US20210141161A1
Автор: Carmen Bungenstock, Heinrich Schäfer, Janis Schäfer
Принадлежит: Hella GmbH and Co KGaA

A joint layout is provided for the firm bonding of components by means of a light-activated joining agent. A light guide element is arranged at least in sections in a joint gap between the components. The light guide element is embedded into the joining agent in the joint gap, and light for activating the joining agent can be outcoupled from the light guide element in the joint gap. In this context, at least one spacer is arranged in the joint gap between the light guide element and at least one of the components.

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Номер записи: 46
25-08-2022 дата публикации

ILLUMINATED INDICATOR FOR DOORBELL

Номер: US20220270450A1
Автор: Kintz Gregory, Murphy Patrick Lloyd
Принадлежит: SimpliSafe, Inc.

An illuminated indicator for a doorbell can be arranged to receive light along an optical axis (e.g., that is perpendicular to a front face of the doorbell housing) and emit the light from an output portion that defines a closed loop (e.g., that extends around the optical axis) and in a direction that is parallel to the optical axis. The illuminated indicator can include a light pipe that receives light along the optical axis and reflects the light to follow a radially outward and divergent path, e.g., that is perpendicular to the optical axis. The radially outward and divergent light can be reflected to follow a path that is parallel to the optical axis for emission at an output portion of the light pipe. The light pipe can be configured to transmit a doorbell switch activation force to other parts of the doorbell to cause actuation of the switch. 1. An illuminated indicator for use with a doorbell , comprising:one or more light emitting devices each configured to emit light in a direction along an optical axis; anda light pipe having an input portion configured to receive light from the one or more light emitting devices directed along the optical axis, and an output portion configured to emit the light, the light pipe including one or more light reflecting portions optically between the input portion and the output portion, the one or more light reflecting portions configured to receive light in the direction along the optical axis and reflect the light to travel along a radially outward and divergent path that is transverse to the optical axis.2. The illuminated indicator of claim 1 , comprising a plurality of light emitting devices and wherein the light pipe is configured to homogenize light from the plurality of light emitting devices for emission from the output portion.3. The illuminated indicator of claim 1 , wherein the one or more light reflecting portions each include a surface of the light pipe having a partial frusto-conical shape.45.-. (canceled)6. ...

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Номер записи: 47
01-09-2022 дата публикации

LIGHTING DEVICE AND OPTICAL ELEMENT FOR A LIGHTING DEVICE

Номер: US20220276427A1
Автор: WÖLFING Bernd
Принадлежит: SCHOTT AG

A lighting device is provided that includes a light source and an optical element. The light source emits primary light having a primary emission characteristic. The optical element has a light entry face and a light exit face. The optical element includes light guiding elements each forming part of the light entry and exit faces. The light entry faces inject the primary light into the optical element. The light guiding elements each have a boundary surface that totally internally reflects the primary light so that the light exit face emits a secondary light. The optical element reduces a divergence of the primary light such that the secondary light has a secondary emission characteristic with an emission angle (β) that is smaller than an emission angle (α) of the primary emission characteristic. The light exit face is larger than the light entry face. 1. A lighting device , comprising:a light source configured to emit primary light having a primary emission characteristic; andan optical element having a light entry face and a light exit face, the optical element comprising a plurality of light guiding elements each forming part of the light entry face and part of the light exit face, the light entry face being configured to inject the primary light into the optical element, the plurality of light guiding elements each having a boundary surface extending between the light entry face and the light exit face, the boundary surface totally internally reflecting the primary light so that the light exit face emits a secondary light from the optical element,wherein the optical element is configured to reduce a divergence of the primary light such that the secondary light has a secondary emission characteristic with an emission angle (β) that is smaller than an emission angle (α) of the primary emission characteristic, andwherein the plurality of light guiding elements each have a cross-sectional area at the light exit face that is larger than a cross-sectional area at the ...

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Номер записи: 48
23-04-2020 дата публикации

Shaping input surfaces of led light-guides for increased light extraction efficiency

Номер: US20200124783A1
Автор: Frederic Stephane Diana, Gregory Donald GUTH, Jeroen Den Breejen
Принадлежит: LUMILEDS LLC

A method, apparatus, and system are disclosed for increasing light extraction efficiency in a light guide optical system. The light guide optical system may comprise a light emitting source. The light emitting source may be, for example, a light-emitting diode (LED) or plurality of LEDS. The light guide optical system may also comprise a light guide plate (LGP). The LGP may include light extraction features located on surfaces of the LGP. The LGP may also include a shaped injection surface on an input surface of the LGP. The shaped injection surface may be angled to deviate near-parallel light emitted from the LED to enable the near-parallel light emitted from the LED to be extracted from the LGP via the light extraction features. The shaped injection surface may be a split edge (i.e., a V-groove) or a curved edge.

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Номер записи: 49
07-08-2014 дата публикации

Linear illumination devices having light guides and led-based illumination modules

Номер: US20140218957A1
Автор: Anthony Catalano
Принадлежит: TerraLux Inc

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.

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Номер записи: 50
17-05-2018 дата публикации

System and Technique for Tensioned Wall of Individual LED Tiles

Номер: US20180135837A1
Автор: Ward Matthew E.
Принадлежит:

Support wires can be used to hold up light tiles to provide a lightweight display system or technique. 1. A method comprising:providing support wires; andcoupling at least two light tiles separately to the support wires, wherein the at least two light tiles are supported by the support wires, the light tiles include a light source and a light guide, and the support wires extend in a direction parallel to a light-emitting surface of the light tiles.2. The method of wherein the light tiles further include a heat sink coupled to side edges of the light tiles that are perpendicular to the light-emitting surface.3. The method of wherein the light tiles include a translucent shell claim 1 , within which the light source and light guide are encased.4. The method of wherein a first light tile comprises a first attachment unit for connecting to a first support wire claim 1 ,a second light tile comprises a second attachment unit for connecting to the first support wire, anda first length from a first end of the first support wire to the first attachment unit is different from a second length from the first end of the first support wire to the second attachment unit.5. The method of wherein the light tiles attach to two of the support wires claim 1 , each of the support wires being directly connected to at least three tiles.6. The method of wherein the support wires are parallel.7. The method of wherein the light source comprises an LED.8. The method of wherein each light source is fully sealed within its light tile claim 1 , thereby preventing any water from permeating to the light source.9. The method of wherein light tiles are connected to one another for power and data distribution.10. A method comprising:providing a light tile comprising a light source and a light guide operably connected to the light source and encased within the light tile; andforming an attachment unit on the light tile, wherein the attachment unit is adapted for attaching the light tile to a support ...

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Номер записи: 51
15-09-2022 дата публикации

LIGHT ASSEMBLY, VEHICLE DESIGN ELEMENT, REAR VIEW DEVICE AND DOOR FINISHER

Номер: US20220289104A1
Автор: Chapman-Winter Mathew, Dekievit Gary, Koehne Shane Randell
Принадлежит:

The present disclosure relates to a system comprising a light assembly for a 360° illumination of a design element, in particular configured for a vehicle design element, comprising: one or more light pipes, wherein each light pipe comprises a core, and two or more light pipes and/or two end portions of one light pipe at least partially overlap, providing at least one region of overlap to substantially close a loop; one or more light sources, disposed at least partially within an interior of the system, wherein each light source is configured to emit light based on at least receiving electrical power from an electrical power source, and each light source is arranged adjacent to and directed towards at least one of the one or more light pipes such that the emitted light results in reflected light propagating within the core and diffuse light exiting the one or more light pipes along the same; and a lens substantially enclosing the interior, the one or more light pipes and the one or more light sources, wherein the lens, having an inner surface and an outer surface disposed opposite the inner surface, is provided with a continuous transparent and/or translucent coating on the outer surface, and with the one or more light sources receiving electrical power from the electrical power source, the continuous transparent and/or translucent coating is at least partially permeable to at least some of the diffuse light which is passed through the lens; wherein the continuous transparent and/or translucent coating depends on at least one characteristic of the one or more light pipes and/or the one or more light sources, and/or the transparent and/or translucent coating comprises a metal, an alloy or a conductive metalloid, preferably providing a chromium or chromium-based reflective coating, to provide a homogenous illumination of a 360° illumination window when the one or more light sources receive electrical power from the electrical power source. 117-. (canceled)18. A system ...

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Номер записи: 52
02-06-2016 дата публикации

Luminaire

Номер: US20160154168A1
Автор: Kenneth Martin, Patrik Gassner
Принадлежит: Zumtobel Lighting GmbH Austria

The invention relates to a luminaire ( 1 ) having a housing which is closed by a translucent cover ( 11 ). The housing accommodates a light source and control gear ( 6 ), the light source being formed from a plurality of LEDs ( 8 ) arranged on at least one circuit board ( 9 ). According to the invention the light from the LEDs ( 8 ) is coupled into at least one light guide ( 7 ) which extends from the cover ( 11 ) towards the LEDs ( 8 ). The coupled-in light from the LEDs ( 8 ) is guided in the light guide ( 7 ) to the cover ( 11 ) and is preferably emitted diffusely.

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Номер записи: 53
17-06-2021 дата публикации

STEPPED LIGHT GUIDE ILLUMINATION SYSTEMS

Номер: US20210181404A1
Автор: VASYLYEV SERGIY
Принадлежит:

A stepped light guide illumination system employing a planar sheet of an optically transmissive material having a stepped light guiding structure including one or more parallel arrays of channels. Light is input into the stepped light guiding structure using a number of side-emitting LED sources located within the channels and coupled to the stepped light guiding structure at multiple locations. The LED sources are mounted to a printed circuit board extending along one or more channels and having a width which is greater than a width of the respective channel. Light is extracted from the stepped light guiding structure using a two-dimensional pattern of light extraction features formed in a surface of the planar sheet. 1. An illumination system , comprising:a planar sheet of an optically transmissive material configured for guiding light using total internal reflection and having a first broad-area surface and an opposing second broad-area surface extending parallel to the first broad-area surface;a plurality of parallel rectangular channels formed in the planar sheet;a first printed circuit board positioned along the second broad-area surface;a first plurality of side-emitting LEDs mounted on the first printed circuit board and each having a bottom surface facing the first printed circuit board, a top surface facing the planar sheet and a light emitting side surface extending between the top and bottom broad-area surfaces generally perpendicular to a plane of the first printed circuit board; anda two-dimensional pattern of light extraction features formed in the second broad-area surface with a variable spacing,wherein each of the plurality of side-emitting LEDs is positioned within a first one of the plurality of parallel rectangular channels and optically coupled to a side wall of the first one of the parallel rectangular channels, wherein a width of the printed circuit board is greater than a width of the first one of the parallel rectangular channels, and ...

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Номер записи: 54
22-09-2022 дата публикации

Lighting Device for a Motor Vehicle, and Method for Producing Such a Lighting Apparatus

Номер: US20220299187A1
Автор: Bülters Mike, GEUKES Jonathan, Mügge Martin, Smarslik Christian
Принадлежит:

A lighting apparatus for a motor vehicle comprises a light source to produce light, a planar light guide into which the light produced by the light source enters at least partially, the light guide having an output surface from which the light emerges at least partially, and a plurality of microstructure elements arranged on the output surface of the light guide to deflect the light emerging from the output surface of the light guide. 1. A lighting apparatus for a motor vehicle , comprisinga light source to produce light;a planar light guide into which the light produced by the light source enters at least partially, the light guide having an output surface from which the light emerges at least partially; anda plurality of microstructure elements arranged on the output surface of the light guide to deflect the light emerging from the output surface of the light guide.2. The lighting apparatus of claim 1 , wherein the microstructure elements allow more than 80% of the light to emerge from the output surface.3. The lighting apparatus of claim 1 , wherein the microstructure elements allow more than 90% of the light to emerge from the output surface.4. The lighting apparatus of claim 1 , wherein the microstructure elements have a center-to-center distance varying stochastically between 0.03 mm and 0.20 mm.5. The lighting apparatus of claim 1 , wherein an incident surface of the light guide through which the light produced by the light source enters is an end face of the light guide.6. The lighting apparatus of claim 1 , wherein the light guide has a curved or angled light feed section for the light produced by the light source and/or input optics for the light produced by the light source.7. The lighting apparatus of claim 1 , wherein a thickness of the light guide decreases in a propagation direction of the light in the light guide claim 1 , starting from the incidence surface claim 1 , the propagation direction being perpendicular to the output surface.8. The lighting ...

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Номер записи: 55
07-06-2018 дата публикации

Planar illumination apparatus

Номер: US20180156958A1
Автор: Takahito Yoshida
Принадлежит: MinebeaMitsumi Inc

A planar illumination apparatus according to an embodiment includes a light guide plate that includes an emission surface that emits light and a reflective surface that is a surface opposite to the emission surface and that reflects light, a light blocking member that defines an effective region of the emission surface, and a light source arranged so as to face a light incident side surface of the light guide plate. In a portion of the effective region beside a light blocking region of the light blocking member, a first reflective surface is provided that includes a region that is inclined in a direction approaching the emission surface side with an increase in a distance from the light incident side surface.

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Номер записи: 56
24-06-2021 дата публикации

CURVED LIGHT-GUIDE OPTICS FOR LEDS LIGHTING

Номер: US20210190293A1
Автор: Aas Mehdi, Diana Frederic Stephane, Schrama Charles André
Принадлежит:

A luminaire can include a curved light guide plate including a first receiving surface, an emitting surface, a major surface opposing the emitting surface, second and third receiving surfaces, the first receiving surface extending in a first dimension between the major surface and the emitting surface and extending in a second dimension between the second and third receiving surfaces, the first receiving surface, emitting surface, and major surface including a positive, non-zero radius of curvature (R) and the second and third receiving surfaces generally planar, and a plurality of LEDs positioned to emit light into one or more of the first receiving surface, second receiving surface, third receiving surface, or a fourth receiving surface, the fourth receiving surface opposing the first receiving surface. 1. A luminaire , comprising: a first receiving surface;', 'an emitting surface;', 'a major surface opposing the emitting surface;', 'second and third receiving surfaces, the first receiving surface extending in a first dimension between the major surface and the emitting surface and extending in a second dimension between the second and third receiving surfaces, the first receiving surface, emitting surface, and major surface including a positive, non-zero radius of curvature (R) and the second and third receiving surfaces generally planar; and, 'a curved light guide plate includinga plurality of LEDs positioned to emit light into one or more of the first receiving surface, second receiving surface, third receiving surface, or a fourth receiving surface, the fourth receiving surface opposing the first receiving surface.2. The luminaire of claim 1 , wherein the first receiving surface claim 1 , fourth receiving surface claim 1 , emitting surface claim 1 , and major surface are symmetric about a first axis longitudinally bisecting the emitting surface.3. The luminaire of claim 1 , wherein the first receiving surface claim 1 , fourth receiving surface claim 1 , ...

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Номер записи: 57
14-06-2018 дата публикации

SKIN MATERIAL FOR VEHICLE INTERIOR

Номер: US20180162268A1
Автор: EGAWA Kousei, ITO Atsuhiko, SAKAI Hirohiko, YAMADA Takamasa, YAMAMOTO Takayoshi
Принадлежит:

There is provided a skin material for vehicle interior, which is woven from a side emission type optical fiber and a synthetic resin fiber, forms a design surface in a vehicle compartment and functions as an illumination. The skin material for vehicle interior is a skin material for vehicle interior including a woven fabric woven by using a synthetic resin fiber and a side emission type optical fiber as warp or weft, wherein the ratio (d/d) of the fineness (d) of the synthetic resin fiber to the fineness (d) of the side emission type optical fiber ranges from 1.5 to 7.0. When the synthetic resin fiber is a multifilament the ratio (d/d) of the fineness (d) thereof to the fineness (d) of the side emission type optical fiber ranges from 2.0 to 7.0. Also, when the synthetic resin fiber is a monofilament, the ratio (d/d) of the fineness (d) thereof to the fineness (d) of the side emission type optical fiber ranges from 1.5 to 6.0. 1. A skin material for vehicle interior , which is joined to a substrate for vehicle interior made of a resin ,{'sub': S', 'f', 'S', 'f, 'the skin material for vehicle interior comprising a woven fabric woven by using a synthetic resin fiber and a side emission type optical fiber as warp or weft, wherein the ratio (d/d) of the fineness (d) of the synthetic resin fiber to the fineness (d) of the side emission type optical fiber ranges from 1.5 to 7.0.'}2. The skin material for vehicle interior according to claim 1 , wherein the synthetic resin fiber is a multifilament claim 1 , and the ratio (d/d) of the fineness (d) of the multifilament to the fineness (d) of the side emission type optical fiber ranges from 2.0 to 7.0.3. The skin material for vehicle interior according to claim 2 , wherein the 2 to 5 side emission type optical fibers are woven between the adjacent multifilaments.4. The skin material for vehicle interior according to claim 1 , wherein the synthetic resin fiber is a monofilament.5. The skin material for vehicle interior according ...

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Номер записи: 58
29-09-2022 дата публикации

LIGHT-GUIDING ASSEMBLY, VEHICLE LAMP, AND VEHICLE

Номер: US20220307670A1
Автор: NING Xiao, SHU Huai, WU Fanrui, ZHANG Piao, ZHAO Yakun, Zhu Xiaoyong
Принадлежит: VALEO VISION

The present invention relates to a light-guiding assembly having a first light-guiding element, which is allocated to a first light source and used to receive and guide light from the first light source, and is provided with a first light incidence portion, a first light exit portion, and a first intermediate optical portion that is arranged between them. A second light-guiding element, which is allocated to a second light source and used to receive and guide light from the second light source, and is provided with a second light incidence portion, a second light exit portion, and a second intermediate optical portion that is arranged between them. Wherein the first light exit portion faces the second intermediate optical portion, and light leaving the first light exit portion can pass through the second intermediate optical portion and exit from the second light exit portion. 1. A light-guiding assembly , comprising:a first light-guiding element, which is allocated to a first light source and used to receive and guide light from the first light source, wherein the first light-guiding element is provided with a first light incidence portion, a first light exit portion, and a first intermediate optical portion that is arranged between the first light incidence portion and the first light exit portion in a main guiding direction of light from the first light source in the first light-guiding element, light from the first light source being guided in a deflective manner towards the first light exit portion by the first intermediate optical portion;and a second light-guiding element, which is allocated to a second light source and used to receive and guide light from the second light source, wherein the second light-guiding element is provided with a second light incidence portion, a second light exit portion, and a second intermediate optical portion that is arranged between the second light incidence portion and the second light exit portion in a main guiding ...

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Номер записи: 59
21-05-2020 дата публикации

Fabric that Passes Colonnaded Light

Номер: US20200157711A1
Автор: BELL Rachael Sara, Bennett Alexander Norman, BOGAN Kelly M., WITT Eric Paul
Принадлежит: Microsoft Technology Licensing, LLC

A method for manufacturing fabric that passes colonnaded light is described herein. The method includes weaving a first yarn and a second yarn to create a woven fabric and weaving a light emitting yarn through the woven fabric, wherein the light emitting yarn creates a plurality of loops of light emitting yarn on at least one side of the woven fabric. The method also includes finishing the woven fabric to create columns of light emitting yarn throughout the fabric by removing the plurality of loops. 1. A method for manufacturing fabric that passes colonnaded light , comprising:weaving a first yarn and a second yarn to create a woven fabric;weaving a light emitting yarn through the woven fabric, wherein the light emitting yarn creates a plurality of loops of light emitting yarn on at least one side of the woven fabric; andfinishing the woven fabric to create columns of light emitting yarn throughout the fabric by removing the plurality of loops.2. The method of claim 1 , wherein finishing the woven fabric comprises encapsulating the fabric prior to removing the plurality of loops.3. The method of claim 1 , wherein the finishing the woven fabric comprises splitting or skiving the fabric.4. The method of claim 1 , wherein weaving a light emitting yarn through the woven fabric comprises weaving at least one additional layer of weft yarns with the light emitting yarn.5. The method of claim 1 , wherein the woven fabric is an inner fabric claim 1 , and weaving a light emitting yarn through the woven fabric comprises weaving at least one additional layer of weft yarns with the light emitting yarn claim 1 , and finishing the woven fabric comprises removing the one additional layer to create columns of light emitting yarn in the woven fabric with an optical core exposed.6. The method of claim 1 , finishing the woven fabric comprises flattening the fabric.7. The method of claim 1 , wherein light emitting yarn is between thirty and thirty-five picks per inch of the woven fabric ...

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Номер записи: 60
06-06-2019 дата публикации

LIGHT ASSEMBLY INCLUDING LINEAR LENS

Номер: US20190170322A1
Автор: Veenstra Thomas J.
Принадлежит:

A light assembly including a light pipe and a plurality of light sources. The light pipe is an elongated, single, unitary piece having a generally linear light-exiting surface along one edge. The light pipe includes a plurality of lens portions along its length. Each lens portion forms a portion of the light existing surface. Each light source is associated with one of the lens portions to emit light into the lens portion and, therefore, the light pipe as a whole. The light from the light sources mixes within the light pipe before exiting the light pipe through the light-exiting surface in a generally linear pattern. 1. A light assembly comprising:an elongated, single-piece, unitary light pipe having a length and including a plurality of lens portions along the length, the light pipe having a generally linear light-exiting surface, each of the lens portions forming a portion of the light-exiting surface; anda plurality of light sources, each light source associated with one of the lens portions for directing light into the associated lens portion for ultimate exit through the light-exiting surface.2. A light assembly as defined in wherein each lens portion includes redirecting features adapted to redirect at least a portion of the light from the light source to the light-exiting surface.3. A light assembly as defined in wherein the redirecting features comprise voids in the light pipe.4. A light assembly as defined in wherein the lens portions are generally identical to one another.5. A light assembly as defined in wherein each lens portion includes a light injection surface adapted to receive and to distribute light from the associated light source.6. A light assembly as defined in wherein each lens portion includes a reflector portion adapted to reflect at least a portion of the light from the associated light source.7. A light assembly as defined in wherein each light source comprises an LED (light emitting diode).8. A light assembly as defined in wherein the ...

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Номер записи: 61
05-07-2018 дата публикации

Headlight module and headlight device

Номер: US20180187850A1
Автор: Kuniko Kojima, Masashige Suwa, Muneharu Kuwata, Ritsuya Oshima
Принадлежит: Mitsubishi Electric Corp

A headlight module includes a light source, a light guide element, and a projection optical element. The light source emits light. The light guide element has a reflecting surface for reflecting light emitted from the light source and an emitting surface for emitting light reflected by the reflecting surface. The projection optical element projects light emitted from the emitting surface. In a direction of an optical axis of the projection optical element, an end portion on the emitting surface side of the reflecting surface includes a point located at a focal position of the projection optical element.

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Номер записи: 62
20-06-2019 дата публикации

Linear light source

Номер: US20190187352A1
Автор: Bernd Woelfing, Stephan Schabacker
Принадлежит: SCHOTT AG

A linear light source is provided that includes a light-emitting element and a light guide, which has a core with an end and a longitudinal extension. In the operating state, light from the light emitting element is injected on the end and is guided along the longitudinal extension. The core includes at least one scattering element that changes a propagation direction of the light guided in the core. The light guide having a lateral surface with a light-blocking coating at least partially or in portions thereof. The light-blocking coating being structured so that the light guide has a light-transmissive portion extending along the longitudinal extension and so that the light scattered on the at least one scattering element and striking the light-transmissive portion is able to escape from the light guide, at least partially. The coating having a light transmittance that is lower than a light transmittance of the light-transmissive portion.

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Номер записи: 63
22-07-2021 дата публикации

Water shut-off structure

Номер: US20210222852A1
Автор: Atsushi Takeuchi, Kenichi Kawaguchi, Kiyotaka Kinoshita, Satoshi Yokoi, Tatsuya Nakayama, Yasuo Takada
Принадлежит: Tokai Rika Co Ltd

A water shut-off structure includes a member and a holder that holds the member. The holder includes an insertion hole through which the member is inserted. The member includes a flange larger in outer geometry than the insertion hole and a shaft portion connected to the flange and inserted through the insertion hole. The holder includes a flange receiving portion that receives the flange. The flange receiving portion includes an annular rib in a shape surrounding the entire circumference of the insertion hole and projecting toward the flange.

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Номер записи: 64
22-07-2021 дата публикации

ELECTRIC WORKING MACHINE, ILLUMINATOR ATTACHMENT, AND METHOD OF RADIATING LIGHT FROM ELECTRIC WORKING MACHINE

Номер: US20210222866A1
Автор: Niwa Akira
Принадлежит: MAKITA CORPORATION

An electric working machine according to one aspect of the present disclosure includes a motor, a driving mechanism, a housing, a grip, a first light emitter, and a light guide. The first light emitter emits light. The light guide has a ring-shape. The light guide is extending along an outer circumference of the housing. The light guide includes a light entering surface receiving the light emitted from the first light emitter. While propagating the light entered from the light entering surface in the light guide, the light guide radiates the light from a surface of the light guide. 1. An electric working machine comprising:a motor,a driving mechanism configured to transmit rotational force of the motor to a tool;a housing accommodating the motor and the driving mechanism therein;a grip configured to be held by a user of the electric working machine;a first light emitter configured to emit light; anda light guide having a ring-shape, the light guide extending along an outer circumference of the housing, the light guide including a light entering surface configured to receive the light emitted from the first light emitter, the light guide being configured such that while propagating the light entered from the light entering surface in the light guide, the light guide radiates the light from a surface of the light guide.2. The electric working machine according to claim 1 , further comprisinga reflector configured to reflect the light radiated in a first direction from the light guide toward a second direction opposite the first direction.3. The electric working machine according to claim 2 ,wherein the light guide has a center axis, andwherein the first direction and the second direction intersect with a first virtual plane orthogonal to the center axis.4. The electric working machine according to claim 2 ,wherein the reflector includes an annular member having a ring-shape, andwherein the light guide is arranged so as to face the annular member.5. The electric ...

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Номер записи: 65
12-07-2018 дата публикации

Illumination Devices Including Multiple Light Emitting Elements

Номер: US20180196189A1
Автор: Dau Wilson, Gardner Robert C., Lerman George, Lerman Louis, Lowery Christopher H., Ogonowsky Brian D., Smith George E., Speier Ingo, Steele Robert V., Stormberg Hans Peter, Teng Jacqueline, York Allan Brent
Принадлежит:

A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting. 147-. (canceled)48. A luminaire , comprising:a plurality of light guides, each extending along a common direction from an input end and an output end and configured to guide light received at the input end to the output end;each light guide being optically coupled to an optical extractor configured to receive light guided by the light guide and direct the received light into one or more output directions; anda plurality of light emitting elements (LEEs arranged at the input ends of the light guides and being arranged to emit light that is coupled into the light guides at the input ends.49. The luminaire of claim 48 , wherein each light guide has a first dimension and a second dimension claim 48 , the first dimension corresponding to a depth of the light guide from the input end to the output end and the second dimension being a thickness of the light guide measured orthogonal to the first dimension claim 48 , wherein the first dimension is in a range from about 1 cm to about 20 cm.50. The luminaire of ...

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Номер записи: 66
20-07-2017 дата публикации

LIGHTING DEVICE AND LIGHTING SYSTEM

Номер: US20170205045A1
Автор: Baaijens Johannes Petrus Wilhelmus, SEKULOVSKI DRAGAN
Принадлежит:

A lighting device comprising a housing with a light emission window and, opposite thereto, a reflector. A planar light transmissive carrier arranged in between the light emission window and the reflector and comprising, at least on a side facing towards the reflector, a grid of a plurality of light sources. The plurality of light sources comprise a first group of first light sources and a second group of second light sources. Each first light source has a respective first emission orientation in a respective first direction away from the reflector and each second light source has a respective second emission orientation to issue light towards the reflector, which light, after reflection, is redirected into a respective first direction. The lighting device is able to provide accent lighting and/or diffuse lighting issued by light sources arranged on one planar carrier. 1. A lighting device comprising:a housing comprising a light emission window and, opposite thereto, a reflector,a planar carrier between the light emission window and the reflector, the planar carrier being light transmissive and comprising, at least on a side facing the reflector, a grid of a plurality of light sources,the plurality of light sources comprising a first group of first light sources and a second group of second light sources, wherein each of the first light sources has a respective first emission orientation in a respective first direction away from the reflector, and each of the second light sources has a respective second emission orientation to issue light towards the reflector, wherein the light issued by the second light sources, after reflection by the reflector, is redirected substantially into the respective first direction, wherein the first light sources alternate with the second light sources on the grid.2. The lighting device of claim 1 , wherein the first and second groups are independently controllable.3. The lighting device of claim 1 , wherein each of the first light ...

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Номер записи: 67
06-08-2015 дата публикации

Waveguide Luminaire with Guide Imbedded Activity Sensor

Номер: US20150219825A1
Автор: Mohammad Zafar Shahbaz, Nicholas R. Trincia, Xiaoping Wu
Принадлежит: ABL IP HOLDING LLC

An edge-fed waveguide luminaire includes a light waveguide having a planar body, a waveguide edge support structure, and an anchor opening in the planar body of the light waveguide, which is displaced from said waveguide edge support structure. A sensor is fixed in the anchor opening of said light waveguide so as to be responsive to conditions in the space below the luminaire. The sensor, which will have minimal impact on the aesthetic qualities of the luminaire, is in communication with light switching means for adjusting the light output from the luminaire in response to changes in conditions in the space below the luminaire.

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Номер записи: 68
26-07-2018 дата публикации

Illumination Devices Including Multiple Light Emitting Elements

Номер: US20180210140A1
Автор: Dau Wilson, Gardner Robert C., Lerman George, Lerman Louis, Lowery Christopher H., Ogonowsky Brian D., Smith George E., Speier Ingo, Steele Robert V., Stormberg Hans Peter, Teng Jacqueline, York Allan Brent
Принадлежит:

A variety of illumination devices are disclosed that are configured to manipulate light provided by one or more light-emitting elements (LEEs). In general, embodiments of the illumination devices feature one or more optical couplers that redirect illumination from the LEEs to a reflector which then directs the light into a range of angles. In some embodiments, the illumination device includes a second reflector that reflects at least some of the light from the first reflector. In certain embodiments, the illumination device includes a light guide that guides light from the collector to the first reflector. The components of the illumination device can be configured to provide illumination devices that can provide a variety of intensity distributions. Such illumination devices can be configured to provide light for particular lighting applications, including office lighting, task lighting, cabinet lighting, garage lighting, wall wash, stack lighting, and downlighting. 147-. (canceled)48. A light fixture , comprising: one or more light emitting elements, and', 'a corresponding light guide, each light guide comprising a transparent material having a length, l, extending along a z-direction and thickness, t, extending along a second direction orthogonal to the z-direction, where t>l,', 'wherein the one or more light emitting elements are arranged at an input edge of the corresponding light guide and positioned so that light emitted from each light emitting element is coupled into the input edge of the corresponding light guide, the coupled light being guided by the light guide to an output end of the light guide opposite the input end,, 'a plurality of luminaire modules, each of the luminaire modules configured in a curved shape and each comprising'}wherein the plurality of luminaire modules are arranged to collectively form a structure having a circular or elliptical contour in an x-y plane orthogonal to the z-direction.49. The light fixture of claim 48 , wherein at ...

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Номер записи: 69
05-08-2021 дата публикации

LIGHT EMITTING MODULE, SURFACE LIGHT SOURCE, AND A METHOD OF MANUFACTURING LIGHT EMITTING MODULE

Номер: US20210239298A1
Автор: HASHIMOTO Toru
Принадлежит: NICHIA CORPORATION

A light emitting module includes at least one light source, a light guide member having a demarcating groove configured to demarcate at least one light emitting region, and at least one light source arrangement part located in each of the at least one light emitting region and accommodating a light source, a first light-reflecting member disposed in the demarcating groove, and a wavelength converting member covering an upper surface of the light guide member. 1. A light emitting module comprising:at least one first light source; a demarcating groove configured to demarcate at least one first light emitting region, and', 'at least one first light source arrangement part provided in the at least one first light emitting region and accommodating a corresponding one of the at least one first light source;, 'a light guide member comprising'}a light-reflecting member disposed in the demarcating groove; anda wavelength converting member covering an upper surface of the light guide member.2. The light emitting module according to claim 1 , wherein the demarcating groove surrounds the at least one first light source arrangement part.3. The light emitting module according to claim 1 , further comprising at least one second light source claim 1 , whereinthe light guide member further comprises at least one second light source arrangement part located in at least one second light emitting region adjacent to the at least one first light emitting region in a top plan view and accommodating a corresponding one of the at least one second light source, andthe demarcating groove is located between the at least one first light source arrangement part and the at least one second light source arrangement part.4. The light emitting module according to claim 1 , wherein an air layer is included between the upper surface of the light guide member and the wavelength converting member.5. The light emitting module according to claim 1 , wherein the demarcating groove opens at least to the ...

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Номер записи: 70
02-07-2020 дата публикации

LIGHTING DEVICE FOR INSPECTION

Номер: US20200208805A1
Автор: HATABE Shinya
Принадлежит:

Provided is a lighting device for inspection allowing inspection using lights of a plurality of colors with a simple structure. The lighting device includes: a housing; four light source units disposed inside the housing; a light guide plate that guides light emitted from the light source units and that has four end face portions; and a reflective portion that is formed on an upper face of the light guide plate and that reflects light toward a lower face of the light guide plate. Each of the light source units is disposed for each of the end face portions of the light guide plate and is able to emit light of one color and is independently controlled for dimming, and the four light source units are able to emit lights of collectively two or more colors. 1. A lighting device for inspection , comprising:a housing;four light source units disposed inside the housing;a light guide plate that guides light emitted from the light source units and that has four end face portions; anda reflective portion that is formed on an upper face of the light guide plate and that reflects light toward a lower face of the light guide plate,wherein each of the light source units is disposed for each of the end face portions and is able to emit light of one color and is independently controlled for dimming, andthe four light source units are able to emit lights of collectively two or more colors.2. The lighting device for inspection according to claim 1 , whereineach of the light source units is independently installed in the housing without being interconnected with the other light source units. This application is the U.S. National Phase of International Application No. PCT/JP2018/044235, filed Nov. 30, 2018. That application claims priority to JP2017-232960, filed Dec. 4, 2017. Both of those applications are incorporated by reference in their entireties.The present invention relates to a lighting device for inspection that irradiates light to an article to inspect the article.Articles ...

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Номер записи: 71
09-07-2020 дата публикации

STEPPED LIGHT GUIDE ILLUMINATION SYSTEMS

Номер: US20200218006A1
Автор: VASYLYEV SERGIY
Принадлежит:

A stepped light guide illumination system employing a planar sheet of an optically transmissive material having a stepped light guiding structure including one or more parallel arrays of channels. Light is input into the stepped light guiding structure using a number of light sources, such as LEDs, located within the channels and coupled to the stepped light guiding structure at multiple locations. Light is extracted from the stepped light guiding structure by two-dimensional patterns of light extraction features provided in surface areas of the stepped light guiding structure located between the parallel channels. 1. An illumination system , comprising:a planar sheet of an optically transmissive material defined by a first broad-area surface configured for light output and an opposing second broad-area surface;a plurality of parallel rectangular channels formed in the second broad-area surface with regular spacing intervals;a plurality of LEDs positioned within the parallel rectangular channels and optically coupled to edges of the parallel rectangular channels;a first plurality of light extraction features formed in the second broad-area surface in spaces between the plurality of parallel rectangular channels; anda second plurality of light extraction features formed in a surface of the planar sheet within at least one of the plurality of parallel rectangular channels,wherein a distribution density of the first plurality of light extraction features is different from a distribution density of the second plurality of light extraction features.2. An illumination system as recited in claim 1 , wherein a relative surface area of the first plurality of light extraction features is different than a relative surface area of the second plurality of light extraction features.3. An illumination system as recited in claim 1 , wherein a relative surface area of the second plurality of light extraction features is greater than a relative surface area of the first plurality of ...

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Номер записи: 72
09-09-2021 дата публикации

DECORATIVE ILLUMINATION DEVICE, CONTROL DEVICE FOR DECORATIVE ILLUMINATION DEVICE, AND GAME MACHINE

Номер: US20210275910A1
Автор: AGATA Takehiro, FUJITA Junya, ONITSUKA Hiroyuki
Принадлежит: Omron Corporation

A long decorative illumination device which is long in the vertical direction and for being installed in the sides of a game machine may be provided with a plurality of light guide plates that can be individually illuminated. The plurality of light guide plates may be arranged in the vertical direction with gaps therebetween and in a slanted state so that the light emitting surfaces thereof are oriented toward a window part which is open from at least two directions of the front surface and the side surfaces of the decorative illumination device. A controller may control the light emission of the plurality of light guide plates to perform visual effect lighting having an impactful visual effect, while controlling the light emission from the plurality of light guide plates to convey predetermined information. 1. A decorative illumination device that is elongated and configured for installation in an enclosure of a game machine , the decorative illumination device comprising:a plurality of light guide plates configured to reflect light entering from an end surface thereof with reflection surfaces formed in recesses, and causing the light to be emitted from a light emitting surface;a plurality of light sources corresponding to the plurality of light guide plates;a long window part open from at least two directions of a front surface of the decorative illumination device and side surfaces connected to the front surface; anda controller; whereinthe plurality of light guide plates is slanted with gaps therebetween, so that in a slanted state the light emitting surfaces are oriented toward the window part; and operation as a visual effects function unit configured to control light emission of the plurality of light guide plates by controlling the driving of the plurality of light sources to control light emission from the plurality of light guide plates to perform visual effect lighting; and', 'operation as a notification function unit configured to control light emission ...

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Номер записи: 73
23-09-2021 дата публикации

LUMINAIRE STRUCTURE

Номер: US20210293405A1
Автор: JAMES Thomas, LAVICTOIRE Steven, Miles Andrew, Yaphe Howard
Принадлежит:

Disclosed is a luminaire including a ceiling mountable housing that defines an inner cartridge-receiving cavity accessible at an opening that is accessible in a healthcare space. A cartridge is provided to be received in the housing. The housing and the cartridge are configured to establish a first NSF-compliant sealing interface formed by at least one first barrier member extending along a first peripheral region between the housing and the cartridge to establish a first NSF-compliant pathogen barrier. The cartridge includes a light output region that is configured to locate an interior light guide and an exterior lens with an optical spacing therebetween. A second NSF-compliant sealing barrier interface is provided between the lens and the light guide formed by at least one second barrier member extending along a second peripheral region between the lens and light guide, and which is configured to establish a second NSF-compliant pathogen barrier therein. 1. A luminaire structure comprising a ceiling-mountable housing structure which defines an inner cartridge-receiving cavity accessible at an opening which is to be accessible in a healthcare space , and a luminaire cartridge structure to be sealingly received in the inner cartridge-receiving cavity , the ceiling-mountable housing structure and the luminaire cartridge structure being configured to establish a first NSF-compliant sealing barrier interface therebetween formed by at least one first barrier member extending along a first peripheral region between the ceiling-mountable housing structure and the luminaire cartridge structure to establish a first NSF-compliant pathogen barrier therein , the luminaire cartridge structure further comprising a light output region which is configured to locate an interior light guide and an exterior lens at a designated optical spacing therebetween , and a second NSF-compliant sealing barrier interface between the exterior lens and the interior light guide formed by at least ...

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Номер записи: 74
08-09-2016 дата публикации

Illuminating device, display device, and mobile electronic apparatus

Номер: US20160259113A1
Автор: Hidekazu Kobayashi, Masatoshi Yonekubo
Принадлежит: Seiko Epson Corp

An illuminating device includes a first light-emitting element formed of a light-emitting diode and a light-guide plate having on a side surface thereof a first light-incident portion opposing the first light-emitting element. The light-guide plate in plan view has a shape having a curved surface on the side surface thereof at a distance from the first light incident portion. A plurality of first bevels facing the first light-incident portion at a certain angle exceeding (90°—critical angle) with respect to a virtual line extending from a center of the first light-incident portion are provided in at least part of an area of the curved surface in a circumferential direction.

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Номер записи: 75
01-10-2015 дата публикации

Illuminated windshield system

Номер: US20150276174A1
Автор: Michael Trajlinek, Philip A. Oakes
Принадлежит: Taylor Made Group LLC

An illuminated windshield system includes a trim member with a channel for receiving a windshield, and a windshield mounted in the channel and having an edge. A light source is interposed between the channel of the trim member and the edge of the windshield. The light source is disposed facing the edge of the windshield.

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Номер записи: 76
28-10-2021 дата публикации

A SOLAR LIGHT COLLECTING AND GUIDING SYSTEM

Номер: US20210332963A1
Автор: CHEN Mingyang, WANG Ling, Xu Xiaoming
Принадлежит:

This invention presents a solar light collecting and guiding system for stabilizing the output light intensity, wherein the system comprising an array of converging lenses and optical fibers for collecting light focused by converging lenses. The fibers and the lenses are in one-to-one correspondence wherein the input end of an optical fiber is located in the focus position of the corresponding converging lens, and the axis of the optical fiber overlaps with the principal axis of the corresponding converging lens. The system is equipped with a sunlight tracking positioning device for synchronized motion, wherein the device is applied to tracking the sun light ray vertical incident into the central converging lens. The system has the function of outputting stable light intensity, that is, it can effectively reduce the variation of the collecting efficiency caused by the positioning deviation between the incident angle of sunlight and the designed input angle. 2. A solar light collecting and guiding system as claimed in claim 1 , wherein all the converging lenses are of the same type and having the same size and focal length.3. A solar light collecting and guiding system as claimed in claim 1 , wherein all the optical fibers are of the same type and having the same core radius and numerical aperture.6. A solar light collecting and guiding system as claimed in claim 1 , wherein the radius of the light spot of the sunlight r concentrated by the converging lens should not be greater than the radius of the fiber core R claim 1 , that is claim 1 , r≤R. The invention relates to the field of solar energy utilization, in particular to a solar light collecting and guiding system.In systems such as solar concentrators, it is generally necessary to converge the solar through a lens system, so as to input into the transmission medium with a small cross-sectional area, such as an optical fiber. Since the size of lens is limited by the manufacturing process and the size of the spot, ...

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Номер записи: 77
20-08-2020 дата публикации

INTERCONNECTABLE LIGHT GUIDE TILES

Номер: US20200264363A1
Автор: Den Breejen Jeroen, Diana Frederic Stephane
Принадлежит:

Interlocking light emitting diode (“LED”) light guide tiles are disclosed. The tiles have interlocking edge features that provide physical interlock fitting between tiles and present a continuous appearance, both in an “on,” where LEDs are powered on and emitting light state and an “off” state, where LEDs are powered off and not emitting light. The LED light guide tiles interface with LEDs (housed in or embodied as integrated circuit LED packages) to output light through the surfaces of the light guide. The interlocking edge features of the light guide tiles are shaped to obscure or block an image of the LED packages from being seen by observers looking at the light guide tiles. Light guide tile assemblies or installations can be easily formed out of interchangeable tiles with little or no requirement for relative directional alignment of the tiles. 1. A device , comprising:a waveguide including a first surface,the first surface including a generally planar portion and a curved edge portion that adjoins the generally planar portion, the curved edge portion includes a convex portion,', 'the convex portion includes an arc,', 'the arc has an internal location, spaced apart from opposing ends of the arc, at which the arc is orthogonal to the generally planar portion, and', 'the curved edge portion further includes a concave portion that adjoins the convex portion., 'the curved edge portion being shaped such that when viewed in a cross-section that is substantially orthogonal to the generally planar portion and is substantially parallel to a surface normal at the curved edge portion2. The device of claim 1 , wherein the waveguide further includes an incident surface that adjoins the curved edge portion of the first surface and forms a corner with the concave portion.3. The device of claim 2 , wherein the incident surface is generally parallel to the generally planar portion of the first surface.4. The device of claim 2 , wherein the second surface includes a second ...

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Номер записи: 78
05-10-2017 дата публикации

Vehicle interior lighting apparatus

Номер: US20170282789A1
Автор: Kazuya Sato, Tomonori Ohashi
Принадлежит: Yazaki Corp

A vehicle interior lighting apparatus for illuminating the interior of a vehicle, being equipped with a first lighting section having a light source emitting light and a light guide plate emitting light by virtue of the light from the light source, wherein the first lighting section has a planar light emitting section emitting light emitted from the light source in a planar manner and a linear light emitting section integrated with the planar light emitting section and emitting light emitted from the light source linearly.

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Номер записи: 79
04-10-2018 дата публикации

Interior lighting module for a motor vehicle

Номер: US20180281675A1
Автор: Jingjing Xue, Martin Trebes, Peter Haebler, Pierre-Louis Tassy
Принадлежит: VALEO VISION SAS

An interior lighting module for a motor vehicle interior, the lighting module including at least two light sources, each light source being associated with an optical guide in order to make at least two distinct light beams. The lighting module thus makes it possible to produce at least two light functions, preferentially distinct from one another. According to the invention, the light sources of the lighting module are secured to one and the same planar substrate in order to facilitate the incorporation thereof in the interior of the motor vehicle and to facilitate the establishing of the electrical connections with the electrical circuit of the interior and also relates to a motor vehicle interior including such an interior lighting module.

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Номер записи: 80
27-08-2020 дата публикации

LIGHTING DEVICE

Номер: US20200271294A1
Автор: BAEK SEUNG JONG, Han Kyu Sung, LIM Eay Jin
Принадлежит:

An embodiment provides a lighting device comprising: a plurality of light sources which are disposed on the circumference of a concentric circle; a light guide portion which surrounds the light sources and is disposed adjacent to the light sources; and a cover member which surrounds the upper surfaces of the light sources and the upper and side surfaces of the light guide portion, wherein the light guide portion has a first surface in the light source direction and a second surface in a direction opposite to the light source which have an inclination with respect to the optical axis of the light emitted from the light sources, and wherein the cover member has a light transmitting pattern in a light diffusion region facing the upper surface of the light guide portion. 1. A lighting device comprising:a plurality of light sources disposed at a circumference of a concentric circle;a light guide disposed adjacent to the light sources while surrounding the light sources; anda cover member configured to surround upper surfaces of the light sources and upper and side surfaces of the light guide,wherein the light guide is configured such that a first surface thereof in a direction of the light sources and a second surface thereof in a direction opposite to the light sources have inclinations with respect to an optical axis of light emitted from the light sources, respectively, and the cover member has a light-transmissive pattern in a light diffusion area thereof facing the upper surface of the light guide,the light guide is provided with a plurality of grooves at a central first area thereof such that the plural light sources are inserted into the grooves, respectively, andwherein shapes of the plurality of grooves are identical in point symmetry with resect to a center of the concentric circle.2. The lighting device according to claim 1 , wherein light exit surfaces of the plural light sources are disposed in a direction opposite to the center of the concentric circle.3. ...

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Номер записи: 81
11-10-2018 дата публикации

LIGHT-EMITTING DEVICE

Номер: US20180290588A1
Автор: Suzuki Masanori
Принадлежит:

A light-emitting device includes a board, a light-emitting element mounted on a surface of the board, a support member on which the board is placed, and a cover having a plate shaped main cover body covering the light-emitting element and a tubular portion which receives a light guide body that guides light emitted from the light-emitting element. The main cover body includes a base, a protrusion protruding from the base toward the board, and a ridge disposed on a protruded end of the protrusion. A step is formed by the protrusion and the ridge, and the protrusion and the ridge extend in a same direction along the base. 1. A light-emitting device comprising:a board;a light-emitting element mounted on a surface of the board;a support member on which the board is placed;a cover including a main cover body that has a plate shape covering the light-emitting element, and a tubular portion configured to mount a light guide body that guides light emitted from the light-emitting element; a base;', 'a protrusion protruding from the base toward the board; and', 'a ridge disposed on a protruded end of the protrusion,, 'wherein the main cover body compriseswherein a step is formed by the protrusion and the ridge, andwherein the protrusion and the ridge extend in a same direction along the base.2. The light-emitting device according to claim 1 , wherein the protrusion has a length same as a length of the ridge.3. The light-emitting device according to claim 1 , wherein the protrusion includes a pair of protrusions juxtaposed to each other claim 1 , and the ridge includes a pair of ridges juxtaposed to each other claim 1 , andthe cover includes a ridge-joining section connecting ends of the pair of ridges.4. The light-emitting device according to claim 1 , wherein a through-hole is formed in the main cover body claim 1 , the through-hole communicating with an inner hole of the tubular portion claim 1 , andthe protrusion is disposed at a position out of alignment with the through- ...

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Номер записи: 82
19-09-2019 дата публикации

Light-Emitting Diode Wave Guide Down Light Retrofit Fixtures

Номер: US20190285259A1
Автор: Green Russell Bryant, Harpenau Kevin Roy, Tickner Jerold Alan
Принадлежит:

A system for mounting a light emitting diode (LED) wave guide down light retrofit fixture. The system can include a mounting plate having a number of apertures symmetrically positioned around a center of the mounting plate. The system can also include at least one fastening device mechanically coupled to an upper surface of the mounting plate using at least a first aperture of the apertures, where the at least one fastening device mechanically couples to a base of an existing fixture. The system can further include a coupling device mechanically coupled to a lower surface of the mounting plate. The system can also include a trim assembly having a frame and a LED light source mechanically coupled to the frame. The frame can have a coupling feature disposed on a top surface of the frame, where the coupling feature mechanically couples to the coupling device. 1. A surface-mounted light emitting diode (LED) fixture , comprising:a frame comprising a top surface that has a first aperture disposed therethrough;a reflector plate removably coupled to the frame, wherein the reflector plate is disposed in the first aperture when the reflector plate is coupled to the frame, wherein the reflector plate has a bottom surface comprising a reflective material.2. The surface-mounted LED fixture of claim 1 , wherein the bottom surface of the reflector plate is disposed above and adjacent to a light guide.3. The surface-mounted LED fixture of claim 2 , wherein the reflector plate is at least as large as the light guide.4. The surface-mounted LED fixture of claim 1 , wherein the reflector plate further comprises at least one extension that includes at least one first coupling feature claim 1 , wherein the frame comprises at least one recess disposed adjacent to the first aperture claim 1 , wherein the at least one recess comprises at least one second coupling feature claim 1 , wherein the first coupling feature and the at least one second coupling feature are coupled to each other when ...

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Номер записи: 83
10-09-2020 дата публикации

LIGHTING DEVICE

Номер: US20200282904A1
Автор: YAMAGATA Kazuyoshi
Принадлежит:

A lighting device includes a light guide that propagates incoming light, and a lighting panel including a lighting region. A front side of the lighting panel excluding the lighting region is configured to prevent transmission of light, the light guide is covered by the lighting panel, the lighting device is configured such that the light emitted from the light guide passes through the lighting region of the lighting panel for illumination, and surfaces of the lighting panel surrounding the light guide are white in color. 1. A lighting device , comprising:a light guide that propagates incoming light; anda lighting panel including a lighting region, whereina front side of the lighting panel excluding the lighting region is configured to prevent transmission of light;the light guide is covered by the lighting panel;the lighting device is configured such that the light emitted from the light guide passes through the lighting region of the lighting panel for illumination; andsurfaces of the lighting panel surrounding the light guide are white in color.2. The lighting device as claimed in claim 1 , wherein an outer wall provided on a periphery of the front side where the lighting region is formed, and', 'an inner wall provided inside of the outer wall;, 'the lighting panel includes'}the lighting region is formed between the outer wall and the inner wall;the light guide is disposed in a groove between the outer wall and the inner wall; anda surface of the outer wall facing the light guide and a surface of the inner wall facing the light guide are the surfaces of the lighting panel surrounding the light guide.3. The lighting device as claimed in claim 1 , wherein each of the light guide and the lighting region has an annular shape and includes sections having different curvatures.4. The lighting device as claimed in claim 1 , further comprising:an operation knob disposed on the front side of the lighting panel in a region surrounded by the lighting region. The present ...

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Номер записи: 84
26-09-2019 дата публикации

Light emission display device, light emission display switch, and sound collection device

Номер: US20190293279A1
Автор: Hitoshi NAKATSUKASA
Принадлежит: Yamaha Corp

A light emission display device according to an aspect of the present invention includes: a light guide member that converts rays of incident light from a back face thereof to produce diffused light and emits the diffused light from the front face; a plurality of point light sources that are arranged at intervals on a side of the back face of the light guide member, in which the light guide member includes a light shield structure that partitions the front face into a plurality of light emission regions each corresponding to at least one point light source of the plurality of point light sources immediately below the front face, such that transmission of the rays of light to an adjacent light emission region is reduced.

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Номер записи: 85
03-10-2019 дата публикации

LUMINAIRE FOR EMITTING DIRECTIONAL AND NON-DIRECTIONAL LIGHT

Номер: US20190302339A1
Автор: Yaphe Howard
Принадлежит:

Disclosed is an LED luminaire, comprising a housing positionable at a building structure location. The housing has at least one light output boundary and configured to direct light therein toward the light output boundary. A light guide configured to be located at the light output boundary to receive light operationally contained within the housing, so as to emit non-directional light at the light output boundary. At least one first LED light engine is located within the housing, the at least one first LED light engine including at least one first LED light source to emit directional light at the light output boundary. 1a luminaire defining a light output region;a light guide configured to be located at the light output region, the light guide defining at least one directional light source location thereon; at least one first LED light source; and', 'a shroud configured to operatively position the first LED light source therein and inwardly spaced from the shroud;', 'the shroud being positionable adjacent the light guide at the directional light source location, to deliver directional light via the directional light source location to a target location, in a target region beyond the luminaire;', 'the light guide being configured to optically couple with the first LED light source in the luminaire to define a non-directional light output to deliver non-directional light., 'at least one LED light located within the luminaire, comprising. An LED luminaire, comprising: This application is a Continuation-in-Part of copending U.S. patent application Ser. No. 15/466,697, filed Mar. 22, 2017, which is a Continuation-in-Part of U.S. patent application Ser. No. 14/936,371, filed Nov. 9, 2015 (Now U.S. Pat. No. 10,180,521), which claims priority to U.S. Provisional Application No. 62/077,039, filed Nov. 7, 2014. This application is also a Continuation-in-Part of copending International PCT application No. PCT/US2015/059770, filed Nov. 9, 2015. The disclosures set forth in the ...

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Номер записи: 86
03-12-2015 дата публикации

Illuminator

Номер: US20150346413A1
Автор: Ryoma Murase, Shinji Kadoriku
Принадлежит: Panasonic Intellectual Property Management Co Ltd

A light guide plate 40 comprises: an annular part 41 formed in an annular shape along an element array of multiple light emitting elements 22 ; and an annular inner part 42 formed on an annular inside of the annular part 41 continuously with the annular part 41 . The annular part 41 comprises: an element array-facing part 44 which is a part facing the element array and which has an incident surface 44 b to allow light emitted from the light emitting elements 22 to enter; and a first reflecting part 45 which is a part located closer to the annular inner part than the element array-facing part 44 , and which has a reflecting surface for reflecting the light entering from the incident surface 44 b toward the annular inner part 42 . The first reflecting part 45 comprises a first light scattering region 45 b having a light scattering treatment applied thereto.

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Номер записи: 87
15-11-2018 дата публикации

Planar illumination apparatus

Номер: US20180329133A1
Автор: Mayuko SUGIYAMA, Mio ANMA, Takashi Edamitsu
Принадлежит: MinebeaMitsumi Inc

A planar illumination apparatus according to an embodiment includes a light guiding plate, a frame member, and an attenuation part. The light guiding plate includes a light extracting surface; and a light incident side surface on which light emitted from a light source is made incident. The light incident side surface is a side surface intersecting with the light extracting surface. The frame member including side walls are arranged to be along side surfaces other than the light incident side surface of the light guiding plate. The side walls are separated from the side surfaces. The attenuation part is arranged close to at least one of the side surfaces other than the light incident side surface to attenuate light emitted from the at least one side surface.

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Номер записи: 88
24-10-2019 дата публикации

Illumination System Based on Active and Passive Illumination Devices

Номер: US20190324185A1
Автор: Gardner Robert C., Lerman Louis, Speier Ingo, Stormberg Hans Peter, York Allan Brent
Принадлежит:

Illumination systems are described for illuminating a target area, e.g., a floor of a room, using active illumination devices in optical communication with passive illumination devices. The active and passive illumination devices of the illumination system are configured and arranged relative to each other in a variety of ways so a variety of intensity distributions can be provided by the illumination system. Such illumination system is implemented to provide light for particular lighting applications, including office lighting, garage lighting, or cabinet lighting. 123-. (canceled)24. An illumination system , comprising:an active illumination device configured to output backward light in obtuse angles relative to a forward direction, the forward direction extending from the active illumination device to a target surface; anda passive illumination device arranged to receive backward light output by the active illumination device and redirect the received light toward the target surface,wherein an entirety of the active illumination device and an entirety of the passive illumination device are spaced apart from each other in all directions perpendicular to the forward direction.25. The illumination system of claim 24 , wherein the active illumination device is configured further to output forward light in acute angles relative to the forward direction.26. The illumination system of claim 25 , wherein the forward light from the active illumination device overlaps with the redirected light from the passive illumination device on the target surface.27. The illumination system of claim 25 , wherein the active illumination device includes a refractive optic configured to provide the backward light and the forward light from light received from light-emitting diodes.28. The illumination system of claim 25 , wherein the active illumination device is configured to output the forward light with a batwing light distribution.29. The illumination system of claim 24 , wherein the ...

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Номер записи: 89
15-10-2020 дата публикации

Edge-lit reading lamp including an anti-glare plate and a diffuser plate for reducing visible blue light

Номер: US20200324694A1
Автор: Houli Chen, LI SHEN, Xue Tian
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

An edge-lit reading lamp for an automobile is disclosed. The edge-lit reading lamp includes a housing having an open end and one or more sidewalls and a plurality of light emitting diodes (LEDs) disposed along the one or more sidewalls of the housing. The plurality of LEDs are configured to emit visible light, where the visible light includes blue visible light. The edge-lit reading lamp also includes a light guide plate surrounded by the plurality of LEDs and a diffuser plate positioned to receive the visible light emitted by the plurality of LEDs. The edge-lit reading lamp also includes anti-glare plate having an anti-glare plate having a plurality of light scattering microstructures disposed along a surface of the anti-glare plate that are oriented to face away from the visible light generated by the plurality of LEDs.

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Номер записи: 90
30-11-2017 дата публикации

WOVEN FABRIC, METHOD FOR MANUFACTURING DESIGN WOVEN FABRIC AND METHOD FOR MANUFACTURING INTERIOR MATERIAL

Номер: US20170342607A1
Автор: ITO Atsuhiko, KANAMORI Hideo, OKAHARA Shingo, SAKOH Mitsutaka, YAMADA Takamasa, YAMAMOTO Takayoshi
Принадлежит:

A woven fabric includes a first constituent yarn having an optical fiber yarn and a non-light guiding yarn and a second constituent yarn having a non-light guiding yarn. The woven fabric has a first region in which the first and second constituent yarns are woven in one layer and a second region which is positioned adjacent to the first region and in which the first and second constituent yarns and are woven in two or more separable layers. The woven fabric has an optical fiber layer and a back protecting layer as the separable layers. The optical fiber layer is a layer formed of the optical fiber yarns. The back protecting layer is a layer in which the non-light guiding yarn of the first constituent yarn and the non-light guiding yarn of the second constituent yarn are woven. Further, the woven fabric can further comprise a front protecting layer. 1. A woven fabric comprising a first constituent yarn as one of a warp and a weft and a second constituent yarn as the other , whereinthe first constituent yarn has an optical fiber yarn and a non-light guiding yarn other than the optical fiber yarn,the second constituent yarn has a non-light guiding yarn;the woven fabric has a first region in which the first and second constituent yarns are woven in one layer and a second region which is positioned adjacent to the first region and in which the first and second constituent yarns are woven in two or more separable layers;the woven fabric has an optical fiber layer and a back protecting layer as the separable layers;the optical fiber layer is a layer formed of the optical fiber yarn; andthe back protecting layer is a layer in which the non-light guiding yarn of the first constituent yarn and the non-light guiding yarn of the second constituent yarn are woven.2. The woven fabric according to claim 1 , whereinthe second region comprises three or more separable layers;the three layers are a front protecting layer, the optical fiber layer and the back protecting layer in this ...

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Номер записи: 91
10-12-2015 дата публикации

Edgelit LED Blade Fixture

Номер: US20150355406A1
Автор: James H. Blessitt, Paul W. Lewis, Jr.
Принадлежит: Cooper Technologies Co

A lighting fixture that includes a frame, a heat sink assembly, an LED assembly, and a reflector. The frame includes a first end plate and a second end plate, each end plate including a slot formed therein. The slot extends from a top edge of the end plates towards a bottom edge of the end plates. The heat sink assembly includes one or more LEDs and a lightguide having a first longitudinal edge that receives light emitted from the LEDs. A first edge and a second edge of the lightguide are slidably inserted respective slots. The heat sink assembly includes a heat sink base and a heat sink cap coupled thereto which forms a first cavity for housing the LEDs and a second cavity adjacent the first cavity for housing a portion of the lightguide. The reflector is coupled to the end plates.

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Номер записи: 92
30-11-2017 дата публикации

Woven fabric

Номер: US20170343736A1
Автор: Atsuhiko Ito, Takamasa Yamada, Takayoshi Yamamoto
Принадлежит: Daiki Co Ltd, Toyota Boshoku Corp

In a woven fabric woven from first constituent yarns as one of warps and wefts and second constituent yarns as the other, a part of the first constituent yarns are side emission type optical fibers; at least a part of the second constituent yarns are light shielding yarns; the woven fabric has a light shielding structure which shields light emission on a design surface side of the side emission type optical fiber; the light shielding structure includes a first group of light shielding yarns and a second group of light shielding yarns each formed of the 2 to 4 continuous light shielding yarns intersecting the side emission type optical fiber on the design surface side; the one light shielding yarn arranged between the first group of light shielding yarns and the second group of light shielding yarns and intersecting the side emission type optical fiber on a non-design surface side.

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Номер записи: 93
29-11-2018 дата публикации

SKIN MATERIAL FOR VEHICLE INTERIOR

Номер: US20180339649A1
Автор: SAKAI Hirohiko, YAMADA Takamasa, YAMAMOTO Takayoshi
Принадлежит:

The skin material includes a woven fabric woven by using synthetic resin fibers 1and 1, side emission type optical fibers, and heat fusible fibers as warps or wefts. A ratio (d/d) of fineness (d) of the synthetic resin fibers to fineness (d) of the side emission type optical fibers is from 1.5 to 7.0. The synthetic resin fibers and the side emission type optical fibers adjacent to the synthetic resin fibers are bonded in respective longitudinal directions thereof by the heat fusible fibers. When a plurality of the side emission type optical fibers are woven between the adjacent synthetic resin fibers, the adjacent side emission type optical fibers are bonded to each other in the longitudinal direction by the heat fusible fibers. 1. A skin material for vehicle interior bonded to a resinous vehicle interior base , the skin material for vehicle interior comprising a woven fabric woven by using synthetic resin fibers , side emission type optical fibers , and heat fusible fibers as warps or wefts , wherein:{'sub': S', 'f', 'S', 'f, 'a ratio (d/d) of fineness (d) of the synthetic resin fibers to fineness (d) of the side emission type optical fibers is from 1.5 to 7.0; and'}the synthetic resin fibers and the side emission type optical fibers adjacent to the synthetic resin fibers are bonded in respective longitudinal directions by the heat fusible fibers.2. The skin material for vehicle interior according to claim 1 , wherein:{'sub': S1', 'f', 'S1', 'f, 'the synthetic resin fibers are multifilaments; and a ratio (d/d) of fineness (d) of the multifilaments to fineness (d) of the side emission type optical fibers is from 2.0 to 7.0.'}3. The skin material for vehicle interior according to claim 1 , wherein:{'sub': S2', 'f', 'S2', 'f, 'the synthetic resin fibers are monofilaments; and a ratio (d/d) of fineness (d) of the monofilaments to fineness (d) of the side emission type optical fibers is from 1.5 to 6.0.'}4. The skin material for vehicle interior according to any one of ...

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Номер записи: 94
29-11-2018 дата публикации

LIGHT EMITTING DEVICE

Номер: US20180341057A1
Автор: FUJISHIRO Kenji, Homma Dai
Принадлежит:

A light emitting device includes: a light source; a fixing part on which the light source is mounted; and a rotary light emitting part rotatably supported by the fixing part around a rotational axis Ax and provided such that a light axis of the light source is aligned with the rotational axis. The rotary light emitting part includes: a rod-shaped light guide having an incidence surface from which light from the light source enters and an exit surface from which the light guided inside exits, the rod-shaped light guide being arranged along the rotational axis Ax; a half mirror that changes a direction of light emitted from the exit surface of the rod-shaped light guide; and a light guide plate that receives light from the half mirror and emits light accordingly. 1. A light emitting device comprising:a light source;a fixing part on which the light source is mounted; anda rotary light emitting part rotatably supported by the fixing part around a rotational axis and provided such that a light axis of the light source is aligned with the rotational axis, whereinthe rotary light emitting part includes:a rod-shaped light guide having an incidence surface from which light from the light source enters and an exit surface from which the light guided inside exits, the rod-shaped light guide being arranged along the rotational axis;a light direction changing element that changes a direction of light emitted from the exit surface of the rod-shaped light guide; anda light emitting body that receives light from the light direction changing element and emits light accordingly.2. The light emitting device according to claim 1 , whereina cross section of the rod-shaped light guide is shaped in a regular polygon.3. The light emitting device according to claim 2 , whereinthe regular polygon is a regular triangle, regular tetragon, or regular hexagon.4. The light emitting device according to claim 1 , whereinthe exit surface of the rod-shaped light guide includes a frost finished part.5 ...

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Номер записи: 95
06-12-2018 дата публикации

Shaping input surfaces of led light-guides for increased light extraction efficiency

Номер: US20180348420A1
Автор: Frederic Stephane Diana, Gregory GUTH, Jeroen Den Breejen
Принадлежит: LUMILEDS LLC

A method, apparatus, and system are disclosed for increasing light extraction efficiency in a light guide optical system. The light guide optical system may comprise a light emitting source. The light emitting source may be, for example, a light-emitting diode (LED) or plurality of LEDS. The light guide optical system may also comprise a light guide plate (LGP). The LGP may include light extraction features located on surfaces of the LGP. The LGP may also include a shaped injection surface on an input surface of the LGP. The shaped injection surface may be angled to deviate near-parallel light emitted from the LED to enable the near-parallel light emitted from the LED to be extracted from the LGP via the light extraction features. The shaped injection surface may be a split edge (i.e. a V-groove) or a curved edge.

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Номер записи: 96
06-12-2018 дата публикации

PLANAR ILLUMINATION APPARATUS

Номер: US20180348422A1
Автор: OHTO Kazuki
Принадлежит:

A planar illumination apparatus according to an embodiment includes a light guide plate, a light source, a frame, a first support member, a first adhesive member, a second support member, and a second adhesive member. The light guide plate has a light extraction surface and a light entering side face. The light source is arranged on the light entering side-face side. The frame has a floor face, and houses the light guide plate and the light source. The first support member supports the light guide plate from the floor face side of the frame. The first adhesive member causes the light guide plate and the first support member to adhere to each other. The second support member supports the light source from the floor face side of the frame. The second adhesive member causes the light source and the second support members to adhere to each other. 1. A planar illumination apparatus comprising:a light guide plate having a light extraction surface and a light entering side face on which light is incident, the light entering side face being configured to constitute a side face intersecting with the light extraction surface;a light source arranged on the light entering side face side of the light guide plate, the light source having a light-emitting surface configured to emit light to be incident on the light entering side face;a frame having a floor face, the frame being configured to house the light guide plate and the light source;a first support member configured to support the light guide plate from the floor-face side of the frame;a first adhesive member configured to cause the light guide plate and the first support member to adhere to each other;a second support member configured to support the light source from the floor-face side of the frame; anda second adhesive member configured to causes the light source and the second support member to adhere to each other.2. The planar illumination apparatus according to claim 1 , whereinthe first support member includesa ...

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Номер записи: 97
06-12-2018 дата публикации

STEPPED LIGHT GUIDE ILLUMINATION SYSTEMS

Номер: US20180348423A1
Автор: VASYLYEV SERGIY
Принадлежит:

A stepped light guide illumination system employing a planar sheet of an optically transmissive material having a stepped light guiding structure and one or more parallel arrays of channels. Light is input into the stepped light guiding structure using a number of light sources, such as LEDs, located within the channels and coupled to the stepped light guiding structure at multiple locations. Light is extracted from the stepped light guiding structure by two-dimensional patterns of light extraction features provided within the parallel channels and in surface areas of the stepped light guiding structure located between the parallel channels. 1. An illumination system , comprising:a first planar sheet of an optically transmissive material defined by a first broad-area surface configured for light output and an opposing second broad-area surface, the first planar sheet is configured for guiding light along a prevalent plane of the first planar sheet;a plurality of second planar sheets of an optically transmissive material attached to the second broad-area surface and spaced apart from each other by non-zero spacing distances;a first plurality of light extraction features formed in the second broad-area surface of the first sheet in spaces between the plurality of second planar sheets;a second plurality of light extraction features formed in a surface of at least one of the plurality of second planar sheets; anda plurality of LEDs optically coupled to an edge of at least one of the plurality of second planar sheets.2. An illumination system as recited in claim 1 , wherein a relative surface area of the first plurality of light extraction features is different than a relative surface area of the second plurality of light extraction features.3. An illumination system as recited in claim 1 , wherein a relative surface area of the first plurality of light extraction features is greater than a relative surface area of the second plurality of light extraction features at ...

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Номер записи: 98
15-12-2016 дата публикации

Solid-filled encapsulated led bulb

Номер: US20160363271A1
Автор: Chih-Hsien Wu, Chun-Chieh Huang, Sen-Yuh Tsai, Yu-Chang Chen
Принадлежит: Unity Opto Technology Co Ltd

A solid-filled encapsulated LED bulb with a base, at least one LED light source and at least one power supply element includes a transparent solid-filled heat-dissipating light guide member attached and covered onto the LED light source and the power supply element. A side of the heat-dissipating light guide member is packaged with the base to form the LED bulb. The heat of the LED light source is conducted and dissipated to the outside through the heat-dissipating light guide member. A light of the LED light source is outputted with an intensity I A through the heat-dissipating light guide member. The intensity I A of the light and the intensity IB of the LED light source satisfy the condition of (I A /I B )>70%. The use of a conventional dissipating structure is skipped to reduce the production cost and expedite the assembling and packaging processes while maintaining excellent heat dissipation and light output effects.

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Номер записи: 99
29-10-2020 дата публикации

Led light engine features

Номер: US20200340655A1
Автор: Frederic Stephane Diana, Michael Wasilko, Seng-Hup TEOH
Принадлежит: Lumileds Holding BV

A lighting engine, system and method of fabrication are described. The engine contains a chassis having a side wall and bottom surface that define a cavity. A recess is formed in the bottom surface. A flexible printed circuit (FPC) is on the side wall and LEDs are mounted on the FPC to emit light toward a center of the cavity. A light guide positioned within the cavity receives light emitted by the LEDs through an edge of the light guide. A gasket disposed within the recess is in contact with a first surface of the light guide. A reflector within the cavity is adjacent to a second surface of the light guide opposite the first surface of the light guide. A backplate is attached to the chassis and configured to seal the cavity. Other apparatuses, systems, and methods are also disclosed.

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Номер записи: 100