CA2413760C - Light extraction from leds with light pipes - Google Patents

Light extraction from leds with light pipes Download PDF

Info

Publication number
CA2413760C
CA2413760C CA002413760A CA2413760A CA2413760C CA 2413760 C CA2413760 C CA 2413760C CA 002413760 A CA002413760 A CA 002413760A CA 2413760 A CA2413760 A CA 2413760A CA 2413760 C CA2413760 C CA 2413760C
Authority
CA
Canada
Prior art keywords
light
optical element
exit face
side wall
reflecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002413760A
Other languages
English (en)
French (fr)
Other versions
CA2413760A1 (en
Inventor
William A. Jr. Parkyn
David G. Pelka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seoul Semiconductor Co Ltd
Original Assignee
Teledyne Lighting and Display Products Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teledyne Lighting and Display Products Inc filed Critical Teledyne Lighting and Display Products Inc
Publication of CA2413760A1 publication Critical patent/CA2413760A1/en
Application granted granted Critical
Publication of CA2413760C publication Critical patent/CA2413760C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • H10H20/856—Reflecting means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/901—Illuminating or display apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Led Device Packages (AREA)
CA002413760A 2001-12-10 2002-12-10 Light extraction from leds with light pipes Expired - Lifetime CA2413760C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/007,949 2001-12-10
US10/007,949 US6560038B1 (en) 2001-12-10 2001-12-10 Light extraction from LEDs with light pipes

Publications (2)

Publication Number Publication Date
CA2413760A1 CA2413760A1 (en) 2003-06-10
CA2413760C true CA2413760C (en) 2007-03-27

Family

ID=21728984

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002413760A Expired - Lifetime CA2413760C (en) 2001-12-10 2002-12-10 Light extraction from leds with light pipes

Country Status (4)

Country Link
US (1) US6560038B1 (enExample)
EP (1) EP1320135A3 (enExample)
JP (1) JP2003227974A (enExample)
CA (1) CA2413760C (enExample)

Families Citing this family (137)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003026031A1 (en) * 2001-09-11 2003-03-27 Bridgestone Corporation Condensing element and forming method therefor and condensing element-carrying led lamp and linear light emitting device using led lamp as light source
WO2004032254A1 (en) * 2002-09-30 2004-04-15 Teledyne Lighting And Display Products, Inc. Illuminator assembly
US6896381B2 (en) * 2002-10-11 2005-05-24 Light Prescriptions Innovators, Llc Compact folded-optics illumination lens
DE10250383B4 (de) * 2002-10-29 2007-05-10 Diemount Gmbh Leuchtdiodenanordnung mit Reflektor
US7163327B2 (en) * 2002-12-02 2007-01-16 3M Innovative Properties Company Illumination system using a plurality of light sources
US7042655B2 (en) * 2002-12-02 2006-05-09 Light Prescriptions Innovators, Llc Apparatus and method for use in fulfilling illumination prescription
US6924943B2 (en) * 2002-12-02 2005-08-02 Light Prescriptions Innovators, Llc Asymmetric TIR lenses producing off-axis beams
US7377671B2 (en) 2003-02-04 2008-05-27 Light Prescriptions Innovators, Llc Etendue-squeezing illumination optics
US6850095B2 (en) * 2003-04-25 2005-02-01 Visteon Global Technologies, Inc. Projector optic assembly
US7021797B2 (en) * 2003-05-13 2006-04-04 Light Prescriptions Innovators, Llc Optical device for repositioning and redistributing an LED's light
US7329029B2 (en) * 2003-05-13 2008-02-12 Light Prescriptions Innovators, Llc Optical device for LED-based lamp
US8075147B2 (en) * 2003-05-13 2011-12-13 Light Prescriptions Innovators, Llc Optical device for LED-based lamp
US7400805B2 (en) * 2003-06-10 2008-07-15 Abu-Ageel Nayef M Compact light collection system and method
US7360936B2 (en) * 2003-06-10 2008-04-22 Abu-Ageel Nayef M Method and system of LED light extraction using optical elements
WO2005012951A2 (en) * 2003-07-28 2005-02-10 Light Prescriptions Innovators, Llc Three-dimensional simultaneous multiple-surface method and free-form illumination-optics designed therefrom
EP1660918B1 (en) * 2003-07-29 2017-03-15 Light Engine Limited Circumferentially emitting luminaires and lens elements formed by transverse-axis profile-sweeps
US20050201100A1 (en) * 2003-09-08 2005-09-15 Cassarly William J. Led lighting assembly
US6819506B1 (en) 2003-09-30 2004-11-16 Infinity Trading Co. Ltd. Optical lens system for projecting light in a lambertion pattern from a high power led light source
US7229200B1 (en) 2003-10-27 2007-06-12 Schott Corporation Light conductive rod elements and light-delivery tool including a base for introducing light into a light conductive rod element
US20050116635A1 (en) * 2003-12-02 2005-06-02 Walson James E. Multiple LED source and method for assembling same
US7403680B2 (en) * 2003-12-02 2008-07-22 3M Innovative Properties Company Reflective light coupler
US7329887B2 (en) * 2003-12-02 2008-02-12 3M Innovative Properties Company Solid state light device
US7250611B2 (en) * 2003-12-02 2007-07-31 3M Innovative Properties Company LED curing apparatus and method
US20050116235A1 (en) * 2003-12-02 2005-06-02 Schultz John C. Illumination assembly
US7473013B2 (en) * 2003-12-10 2009-01-06 Okaya Electric Industries Co., Ltd. Indicator lamp having a converging lens
US7456805B2 (en) * 2003-12-18 2008-11-25 3M Innovative Properties Company Display including a solid state light device and method using same
CN101619834B (zh) * 2004-03-30 2011-09-07 照明管理解决方案公司 用于改进的照明区域填充的设备和方法
DE202004011015U1 (de) * 2004-07-14 2004-11-11 Tridonic Optoelectronics Gmbh LED-Strahler mit trichterförmiger Linse
DE102004036157B4 (de) * 2004-07-26 2023-03-16 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Elektromagnetische Strahlung emittierendes optoelektronisches Bauelement und Leuchtmodul
US7371066B2 (en) * 2004-09-15 2008-05-13 Miltex, Inc. Illuminated dental examination instrument
US20060057535A1 (en) * 2004-09-15 2006-03-16 Welch Allyn, Inc. Cordless intraoral dental examination instrument having non-plano mirror
US20060057537A1 (en) * 2004-09-15 2006-03-16 Welch Allyn, Inc. Combination dental instrument
KR100601708B1 (ko) * 2004-11-17 2006-07-18 삼성전자주식회사 반사형 콜리메이터를 구비한 조명장치 및 이를 채용한화상투사장치
US20060134576A1 (en) * 2004-12-21 2006-06-22 John West Dental illumination device with single or multiple total internal reflectors (TIR)
US7275849B2 (en) * 2005-02-25 2007-10-02 Visteon Global Technologies, Inc. LED replacement bulb
US8016470B2 (en) * 2007-10-05 2011-09-13 Dental Equipment, Llc LED-based dental exam lamp with variable chromaticity
US7445340B2 (en) 2005-05-19 2008-11-04 3M Innovative Properties Company Polarized, LED-based illumination source
EP1890076A4 (en) 2005-06-01 2009-11-04 Ccs Inc LIGHT IRRADIATION DEVICE
EP1897150A2 (en) * 2005-06-23 2008-03-12 Koninklijke Philips Electronics N.V. A light-emitting device and method for its design
EP1920285A4 (en) * 2005-07-28 2010-11-03 Light Prescriptions Innovators LENS OPTICAL FREE-FORM ELEMENTS AND THEIR APPLICATION TO CAPACITORS AND HEADLIGHTS
CN101228391B (zh) * 2005-07-28 2010-09-29 光处方革新有限公司 用于背光源和前灯的聚光本领-保持的照明光学器件
US7401948B2 (en) * 2005-10-17 2008-07-22 Visteon Global Technologies, Inc. Near field lens having reduced size
US7489453B2 (en) * 2005-11-15 2009-02-10 Visteon Global Technologies, Inc. Side emitting near field lens
US7160010B1 (en) 2005-11-15 2007-01-09 Visteon Global Technologies, Inc. Light manifold for automotive light module
US7564070B2 (en) * 2005-11-23 2009-07-21 Visteon Global Technologies, Inc. Light emitting diode device having a shield and/or filter
US7438454B2 (en) * 2005-11-29 2008-10-21 Visteon Global Technologies, Inc. Light assembly for automotive lighting applications
DE102005061204A1 (de) * 2005-12-21 2007-07-05 Perkinelmer Elcos Gmbh Beleuchtungsvorrichtung, Beleuchtungssteuergerät und Beleuchtungssystem
US7540616B2 (en) * 2005-12-23 2009-06-02 3M Innovative Properties Company Polarized, multicolor LED-based illumination source
US7798678B2 (en) * 2005-12-30 2010-09-21 3M Innovative Properties Company LED with compound encapsulant lens
TWM294622U (en) * 2006-01-12 2006-07-21 Genius Electronic Optical Co Ltd Collimating lens of the LED lamp
US20070165404A1 (en) * 2006-01-13 2007-07-19 Chih-Chen Cheng Curing light source device
US8434912B2 (en) 2006-02-27 2013-05-07 Illumination Management Solutions, Inc. LED device for wide beam generation
EP2383562A1 (en) * 2006-02-27 2011-11-02 Illumination Management Solutions, Inc. An improved led device for wide beam generation
US20080074898A1 (en) * 2006-06-02 2008-03-27 Bookham Technology Plc Light source assemblies
US7795632B2 (en) * 2006-06-26 2010-09-14 Osram Sylvania Inc. Light emitting diode with direct view optic
EP2064487A4 (en) * 2006-07-14 2010-09-01 Light Prescriptions Innovators BRIGHTNESS-REINFORCED FILM
WO2008027692A2 (en) * 2006-08-02 2008-03-06 Abu-Ageel Nayef M Led-based illumination system
WO2008022064A2 (en) * 2006-08-10 2008-02-21 Light Prescriptions Innovators, Llc Led light recycling device
WO2008022065A2 (en) * 2006-08-11 2008-02-21 Light Prescriptions Innovators, Llc Led luminance-enhancement and color-mixing by rotationally multiplexed beam-combining
US20080074885A1 (en) * 2006-08-31 2008-03-27 Brands David C Led light unit
EP2100182A4 (en) * 2006-12-22 2012-01-04 Lighting Science Group Corp OPTICAL ARRANGEMENTS OF MULTIPRIMARY LED BUNDLING
US7758208B2 (en) * 2006-12-22 2010-07-20 Lighting Science Group Corporation Multi-primary LED collimation optic assemblies
US7611271B2 (en) * 2007-03-19 2009-11-03 3M Innovative Properties Company Efficient light injector
EP2135005B1 (en) * 2007-04-05 2010-10-06 Koninklijke Philips Electronics N.V. Light-beam shaper
US7554742B2 (en) * 2007-04-17 2009-06-30 Visteon Global Technologies, Inc. Lens assembly
US20080260329A1 (en) * 2007-04-20 2008-10-23 3M Innovative Properties Company Lightguides having curved light injectors
US20080260328A1 (en) * 2007-04-20 2008-10-23 3M Innovative Properties Company Led light extraction bar and injection optic for thin lightguide
AT505464B1 (de) * 2007-05-14 2009-06-15 Durst Phototech Digital Tech Tintenversorgungssystem für einen tintenstrahldrucker
EP2607169B1 (en) * 2007-05-21 2021-07-07 Signify Holding B.V. An improved LED device for wide beam generation and method of making the same
US20090050905A1 (en) * 2007-08-20 2009-02-26 Abu-Ageel Nayef M Highly Efficient Light-Emitting Diode
DE102007045018B4 (de) * 2007-09-20 2011-02-17 Perkinelmer Optoelectronics Gmbh & Co.Kg Strahlungsleitvorrichtung für einen Detektor, Streustrahlungsdetektor
FR2922304B1 (fr) * 2007-10-12 2009-11-20 Sp3H Dispositif de spectrometrie pour l'analyse d'un fluide
FR2922303B1 (fr) 2007-10-12 2010-05-07 Sp3H Dispositif de spectrometrie pour l'analyse d'un fluide
FR2922306B1 (fr) * 2007-10-12 2009-11-20 Sp3H Dispositif de spectrometrie pour l'analyse d'un fluide
RU2010139765A (ru) * 2008-02-28 2012-04-10 Конинклейке Филипс Электроникс, Н.В. (Nl) Устройство для распределения света от множества источников для устранения видимых границ между ними, устройства для световой терапии, включающие такое устройство и способы
US7985004B1 (en) 2008-04-30 2011-07-26 Genlyte Thomas Group Llc Luminaire
US7972036B1 (en) 2008-04-30 2011-07-05 Genlyte Thomas Group Llc Modular bollard luminaire louver
US8388193B2 (en) * 2008-05-23 2013-03-05 Ruud Lighting, Inc. Lens with TIR for off-axial light distribution
AU2009249557B2 (en) * 2008-05-23 2014-02-20 Ideal Industries Lighting Llc Recessed LED lighting fixture
US8348475B2 (en) 2008-05-23 2013-01-08 Ruud Lighting, Inc. Lens with controlled backlight management
US7766509B1 (en) 2008-06-13 2010-08-03 Lumec Inc. Orientable lens for an LED fixture
US8002435B2 (en) * 2008-06-13 2011-08-23 Philips Electronics Ltd Philips Electronique Ltee Orientable lens for an LED fixture
CN103459919B (zh) * 2008-08-14 2016-10-26 库帕技术公司 用于偏置宽光束生成的led设备
US7934851B1 (en) 2008-08-19 2011-05-03 Koninklijke Philips Electronics N.V. Vertical luminaire
US8189189B1 (en) 2008-10-08 2012-05-29 Herendeen Robert O LED sensor for process control
MX2011005753A (es) 2008-12-03 2011-11-18 Illumination Man Solutions Inc Una lámpara led de repuesto y un método de sustitución de luminarias preexistentes con ensamble de luminaria led.
US8070328B1 (en) 2009-01-13 2011-12-06 Koninkliljke Philips Electronics N.V. LED downlight
US20100202129A1 (en) * 2009-01-21 2010-08-12 Abu-Ageel Nayef M Illumination system utilizing wavelength conversion materials and light recycling
TW201028613A (en) * 2009-01-23 2010-08-01 Everlight Electronics Co Ltd Optical lens structure
US8246212B2 (en) * 2009-01-30 2012-08-21 Koninklijke Philips Electronics N.V. LED optical assembly
WO2010093956A1 (en) * 2009-02-13 2010-08-19 PerkinElmer LED Solutions, Inc. Led illumination device
US8576406B1 (en) 2009-02-25 2013-11-05 Physical Optics Corporation Luminaire illumination system and method
US9072572B2 (en) 2009-04-02 2015-07-07 Kerr Corporation Dental light device
US9255686B2 (en) 2009-05-29 2016-02-09 Cree, Inc. Multi-lens LED-array optic system
US8066417B2 (en) * 2009-08-28 2011-11-29 General Electric Company Light emitting diode-light guide coupling apparatus
US8353615B2 (en) * 2009-09-02 2013-01-15 Dell Products L.P. Optically coupled light guide
US8152327B2 (en) * 2009-10-02 2012-04-10 Coast Cutlery Company Focusing lens system
US8371710B2 (en) * 2009-10-02 2013-02-12 Coast Cutlery Company Focusing lens system
WO2011066421A2 (en) 2009-11-25 2011-06-03 Cooper Technologies Company Systems, methods, and devices for sealing led light sources in a light module
US8330342B2 (en) * 2009-12-21 2012-12-11 Malek Bhairi Spherical light output LED lens and heat sink stem system
US8686382B2 (en) 2010-07-12 2014-04-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Opto-isolator that uses a nontransparent hollow tube as the optical waveguide extending between the transmitter and receiver modules of the opto-isolator
US8388198B2 (en) 2010-09-01 2013-03-05 Illumination Management Solutions, Inc. Device and apparatus for efficient collection and re-direction of emitted radiation
US8534901B2 (en) 2010-09-13 2013-09-17 Teledyne Reynolds, Inc. Collimating waveguide apparatus and method
FR2968745B1 (fr) * 2010-12-14 2012-12-07 Valeo Systemes Thermiques Temoin lumineux
US9052086B2 (en) 2011-02-28 2015-06-09 Cooper Technologies Company Method and system for managing light from a light emitting diode
US9140430B2 (en) 2011-02-28 2015-09-22 Cooper Technologies Company Method and system for managing light from a light emitting diode
US8608328B2 (en) 2011-05-06 2013-12-17 Teledyne Technologies Incorporated Light source with secondary emitter conversion element
USD657087S1 (en) 2011-05-13 2012-04-03 Lsi Industries, Inc. Lighting
US8585238B2 (en) 2011-05-13 2013-11-19 Lsi Industries, Inc. Dual zone lighting apparatus
TWI471505B (zh) * 2011-12-29 2015-02-01 Ind Tech Res Inst 半導體光源裝置
US10408429B2 (en) 2012-02-29 2019-09-10 Ideal Industries Lighting Llc Lens for preferential-side distribution
US9541257B2 (en) 2012-02-29 2017-01-10 Cree, Inc. Lens for primarily-elongate light distribution
US9541258B2 (en) 2012-02-29 2017-01-10 Cree, Inc. Lens for wide lateral-angle distribution
FR2989149B1 (fr) * 2012-04-04 2014-05-02 G I A Systeme d'eclairage, plaque d'immatriculation eclairante et procede de fabrication de la plaque d'immatriculation
CN103375708B (zh) * 2012-04-26 2015-10-28 展晶科技(深圳)有限公司 发光二极管灯源装置
USD697664S1 (en) 2012-05-07 2014-01-14 Cree, Inc. LED lens
US8969784B2 (en) 2012-05-14 2015-03-03 Avago Technologies General Ip (Singapore) Pte. Ltd. Optical lens assembly and optical devices thereof
KR101259086B1 (ko) 2012-05-25 2013-04-29 (주)웨이브스타 전광판용 엘이디 모듈 및 그의 제조방법
US9080739B1 (en) 2012-09-14 2015-07-14 Cooper Technologies Company System for producing a slender illumination pattern from a light emitting diode
US9200765B1 (en) 2012-11-20 2015-12-01 Cooper Technologies Company Method and system for redirecting light emitted from a light emitting diode
WO2014080398A1 (en) * 2012-11-26 2014-05-30 Magic Lighting Optics Outdoor lighting device
USD718490S1 (en) 2013-03-15 2014-11-25 Cree, Inc. LED lens
US9318649B2 (en) * 2013-09-25 2016-04-19 Phoseon Technology, Inc. Multi-wavelength LED curing lamp
US9523479B2 (en) 2014-01-03 2016-12-20 Cree, Inc. LED lens
FR3018363B1 (fr) * 2014-03-07 2016-03-04 Thales Sa Guide de lumiere pour source de lumiere ponctuelle et dispositif d'eclairage associe
US10025028B2 (en) 2014-09-13 2018-07-17 Sensor Electronic Technology, Inc. Fluid-based light guiding structure and fabrication thereof
CN107073145B (zh) * 2014-09-13 2020-12-04 首尔伟傲世有限公司 漫射光照明器
WO2017024250A1 (en) * 2015-08-05 2017-02-09 Playhard, Inc. Systems and methods for a stellate beam splitter
US9749600B2 (en) 2015-12-30 2017-08-29 Surefire Llc Systems and methods for enhancing media with optically narrowcast content
US10468566B2 (en) 2017-04-10 2019-11-05 Ideal Industries Lighting Llc Hybrid lens for controlled light distribution
US9853740B1 (en) 2017-06-06 2017-12-26 Surefire Llc Adaptive communications focal plane array
DE102017223361B4 (de) * 2017-12-20 2022-01-05 Osram Gmbh Optisches Element, Lichtleiter, Linsenkörper, Linsenkörperanordnung und Leuchte sowie Herstellungsverfahren
US10250948B1 (en) 2018-01-05 2019-04-02 Aron Surefire, Llc Social media with optical narrowcasting
US10473439B2 (en) 2018-01-05 2019-11-12 Aron Surefire, Llc Gaming systems and methods using optical narrowcasting
US10236986B1 (en) 2018-01-05 2019-03-19 Aron Surefire, Llc Systems and methods for tiling free space optical transmissions
JP7027991B2 (ja) * 2018-03-19 2022-03-02 いすゞ自動車株式会社 ライトガイド及び車両用灯具
JP2020042061A (ja) * 2018-09-06 2020-03-19 住友電工デバイス・イノベーション株式会社 発光モジュール

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5310862Y2 (enExample) * 1972-12-28 1978-03-23
US3825741A (en) * 1973-03-05 1974-07-23 Tinsley Labor Inc Light source with high efficiency light collection means
JPS5669607A (en) * 1979-11-09 1981-06-11 Mitsubishi Electric Corp Photocoupler
US4342908A (en) * 1980-08-28 1982-08-03 Westinghouse Electric Corp. Light distribution system for optical encoders
US4767172A (en) * 1983-01-28 1988-08-30 Xerox Corporation Collector for an LED array
US4898450A (en) * 1987-08-31 1990-02-06 Physical Optics Corporation Expanded beam non-imaging fiber optic connector
DE69104859T2 (de) * 1990-02-07 1995-04-27 Shinetsu Chemical Co Epoxidharzzusammensetzungen, enthaltend hochtransparente Kieselsäure-Titandioxid-Glaskugeln.
CA2078839A1 (en) * 1991-09-25 1993-03-26 Marc Hoffman Double refraction and total reflection solid nonimaging lens
JPH05113526A (ja) * 1991-10-21 1993-05-07 Omron Corp 光結合ユニツトおよびそれを用いたフアイバ光電センサ
US5271077A (en) * 1992-09-09 1993-12-14 Gte Products Corporation Nonimaging reflector for coupling light into a light pipe
IT1265106B1 (it) * 1993-07-23 1996-10-30 Solari Udine Spa Sistema ottico per diodi emettitori di luce
US5408563A (en) * 1993-07-28 1995-04-18 Beland; Robert High efficiency/high voltage optocoupler
US5581241A (en) * 1994-08-12 1996-12-03 Voice Products Inc. Ultra-sensitive smoke detector
US5526190A (en) * 1994-09-29 1996-06-11 Xerox Corporation Optical element and device for providing uniform irradiance of a surface
JP3270269B2 (ja) * 1994-11-18 2002-04-02 株式会社長田中央研究所 光照射器
US5699201A (en) * 1995-03-27 1997-12-16 Hewlett-Packard Co. Low-profile, high-gain, wide-field-of-view, non-imaging optics
JPH09230013A (ja) * 1996-02-21 1997-09-05 Matsushita Electric Ind Co Ltd 光磁界センサプローブ及び磁気光学素子
GB9606695D0 (en) * 1996-03-29 1996-06-05 Rolls Royce Power Eng Display sign and an optical element for use with the same
US5894195A (en) * 1996-05-03 1999-04-13 Mcdermott; Kevin Elliptical axial lighting device
JPH1068845A (ja) * 1996-08-27 1998-03-10 Matsushita Electric Works Ltd 光搬送システム
US6048084A (en) * 1997-04-01 2000-04-11 The Coleman Company, Inc. Illumination reflector for area projection
JP3597013B2 (ja) * 1997-05-30 2004-12-02 株式会社長田中央研究所 光重合用ハンドピース
US5757557A (en) * 1997-06-09 1998-05-26 Tir Technologies, Inc. Beam-forming lens with internal cavity that prevents front losses
US6155699A (en) * 1999-03-15 2000-12-05 Agilent Technologies, Inc. Efficient phosphor-conversion led structure
WO2000067660A1 (en) * 1999-05-06 2000-11-16 Martin Geoffrey Young Curing device and method
US6361190B1 (en) * 1999-06-25 2002-03-26 Mcdermott Kevin Large surface LED lighting device
US6181476B1 (en) 1999-07-22 2001-01-30 Teledyne Lighting And Display Products, Inc. Light collimating and distributing apparatus
US6166860A (en) 1999-08-17 2000-12-26 Teledyne Lighting And Display Products, Inc. Screen illumination apparatus and method
US6304693B1 (en) * 1999-12-02 2001-10-16 Fiberstars Incorporated Efficient arrangement for coupling light between light source and light guide
JP2001258904A (ja) * 2000-03-15 2001-09-25 Osada Res Inst Ltd 光重合用ハンドピース及びハンドピースを備えた歯科治療ユニット
US6328456B1 (en) * 2000-03-24 2001-12-11 Ledcorp Illuminating apparatus and light emitting diode

Also Published As

Publication number Publication date
JP2003227974A (ja) 2003-08-15
EP1320135A2 (en) 2003-06-18
CA2413760A1 (en) 2003-06-10
US6560038B1 (en) 2003-05-06
EP1320135A3 (en) 2004-08-18

Similar Documents

Publication Publication Date Title
CA2413760C (en) Light extraction from leds with light pipes
US7719022B2 (en) Phosphor illumination optics for LED light sources
US7543959B2 (en) Illumination system with optical concentrator and wavelength converting element
JP4925618B2 (ja) 光源装置および該光源装置を備える内視鏡
US20110149592A1 (en) Light collector for a white light led illuminator
JP5421128B2 (ja) 光ガイド方向付けコネクタ
CN104023668A (zh) 辐射源和光导体装置
US20120281389A1 (en) Light source with secondary emitter conversion element
AU2004201025A1 (en) Photoirradiation Device and Fiber Rod
CN106030198A (zh) 具有转换装置的照明装置
US7726861B2 (en) Brightness enhancement with directional wavelength conversion
US20110085348A1 (en) LED light source for fiber optic cable
US9631794B2 (en) Lighting apparatus
JP5555318B2 (ja) 効率の高い発光デバイス及び斯様なデバイスを製造する方法
US7806577B2 (en) High brightness light emitting diode device
CN101442086A (zh) 发光二极管组合
KR101340605B1 (ko) 광섬유를 이용한 광전송 장치
JP2003317518A (ja) 照明装置
JPS6119003A (ja) 照射装置
JP7618047B2 (ja) 発光装置
CN210662719U (zh) 一种具有侧发光功能的透镜
JP2007258466A (ja) 照明装置及び発光装置
EP1233487A3 (en) Optical semiconductor module equipped with a light monitor for monitoring signal light emitted from a light emitting element
CN117823855A (zh) 灯具
JP2009231063A (ja) 光源装置

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20221212