WO2003026031A1 - Condensing element and forming method therefor and condensing element-carrying led lamp and linear light emitting device using led lamp as light source - Google Patents

Condensing element and forming method therefor and condensing element-carrying led lamp and linear light emitting device using led lamp as light source Download PDF

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Publication number
WO2003026031A1
WO2003026031A1 PCT/JP2002/009236 JP0209236W WO03026031A1 WO 2003026031 A1 WO2003026031 A1 WO 2003026031A1 JP 0209236 W JP0209236 W JP 0209236W WO 03026031 A1 WO03026031 A1 WO 03026031A1
Authority
WO
WIPO (PCT)
Prior art keywords
led lamp
condensing element
translucent
face
condensing unit
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.)
Ceased
Application number
PCT/JP2002/009236
Other languages
English (en)
French (fr)
Other versions
WO2003026031A9 (fr
Inventor
Hare Tazawa
Masato Yoshikawa
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Bridgestone Corp filed Critical Bridgestone Corp
Priority to EP02767941A priority Critical patent/EP1434277A4/en
Priority to JP2003529545A priority patent/JPWO2003026031A1/ja
Priority to US10/488,750 priority patent/US20040264188A1/en
Publication of WO2003026031A1 publication Critical patent/WO2003026031A1/ja
Anticipated expiration legal-status Critical
Publication of WO2003026031A9 publication Critical patent/WO2003026031A9/ja
Ceased 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
    • G02B6/0001—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/241—Light guides characterised by the shape of the light guide of complex shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/251—Light guides the light guides being used to transmit light from remote light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • 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
    • G02B6/0011—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
    • G02B6/0021—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 for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from 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
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/35—Brake lights
    • 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
    • F21W2106/00—Interior vehicle lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
PCT/JP2002/009236 2001-09-11 2002-09-10 Condensing element and forming method therefor and condensing element-carrying led lamp and linear light emitting device using led lamp as light source Ceased WO2003026031A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP02767941A EP1434277A4 (en) 2001-09-11 2002-09-10 CONDENSATION ELEMENT AND MANUFACTURING METHOD THEREFOR AND CONDENSING ELEMENT-CARRYING LED LAMP AND LINEAR LIGHT EMITTING DEVICE WITH LED LAMP AS A LIGHT SOURCE
JP2003529545A JPWO2003026031A1 (ja) 2001-09-11 2002-09-10 集光素子及びその形成方法並びに集光素子付きｌｅｄランプ及びｌｅｄランプを光源とする線状発光装置
US10/488,750 US20040264188A1 (en) 2001-09-11 2002-09-10 Condensing element and forming method threfor and condensing element-carrying led lamp and linear light emitting device using led lamp as light source

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001-274988 2001-09-11
JP2001275002 2001-09-11
JP2001274988 2001-09-11
JP2001-275002 2001-09-11
JP2001337549 2001-11-02
JP2001-337549 2001-11-02

Publications (2)

Publication Number Publication Date
WO2003026031A1 true WO2003026031A1 (en) 2003-03-27
WO2003026031A9 WO2003026031A9 (fr) 2004-04-22

Family

ID=27347478

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/009236 Ceased WO2003026031A1 (en) 2001-09-11 2002-09-10 Condensing element and forming method therefor and condensing element-carrying led lamp and linear light emitting device using led lamp as light source

Country Status (4)

Country Link
US (1) US20040264188A1 (ja)
EP (1) EP1434277A4 (ja)
JP (1) JPWO2003026031A1 (ja)
WO (1) WO2003026031A1 (ja)

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US7280288B2 (en) * 2004-06-04 2007-10-09 Cree, Inc. Composite optical lens with an integrated reflector
JP2009021086A (ja) * 2007-07-11 2009-01-29 Panasonic Electric Works Co Ltd 発光ユニット
US7625512B2 (en) 2003-07-15 2009-12-01 Hewlett-Packard Development Company, L.P. Method and a system for producing an object using solid freeform fabrication
JP2010107948A (ja) * 2008-11-03 2010-05-13 Chien-Chung Chen 高効率導光機能を有する組合せ式導光モジュール
US8226282B2 (en) 2008-12-17 2012-07-24 Koito Manufacturing Co., Ltd. Vehicle lamp
JP2018098111A (ja) * 2016-12-16 2018-06-21 シチズン電子株式会社 面状ライトユニット及びその製造方法

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US7213945B2 (en) 2002-05-17 2007-05-08 Ccs, Inc. Light emitting diode and method for fabricating the same
US7456499B2 (en) 2004-06-04 2008-11-25 Cree, Inc. Power light emitting die package with reflecting lens and the method of making the same
DE102005006758A1 (de) * 2005-02-15 2006-08-24 Norbert Wagner Beleuchtungseinrichtung mit einer Lichtquelle und einem Leuchtengehäuse
WO2006089450A2 (de) * 2005-02-28 2006-08-31 Lucea Ag Wey & Spiess Treuhand- Und Revisionsgesellschaft Lichtquelle
DE102005018336A1 (de) * 2005-02-28 2006-08-31 Osram Opto Semiconductors Gmbh Lichtleiter
DE202005006915U1 (de) * 2005-04-29 2005-07-07 Röhrig, Martin Lichtlenkungselement für LED-Leuchte
JP2009503793A (ja) * 2005-07-28 2009-01-29 ライト プレスクリプションズ イノベーターズ エルエルシー バックライトおよびフロントライト用のエテンデュ保存型照明光学部品
DE102005052356A1 (de) * 2005-09-30 2007-04-12 Osram Opto Semiconductors Gmbh Beleuchtungseinheit mit Lumineszenzdiodenchip und Lichtleiter, Verfahren zum Herstellen einer Beleuchtungseinheit und LCD-Display
EP1832902A1 (de) * 2006-03-10 2007-09-12 Delphi Technologies, Inc. Flache Leuchtvorrichtung
WO2008008994A2 (en) 2006-07-14 2008-01-17 Light Prescriptions Innovators, Llc Brightness-enhancing film
DE102006038759A1 (de) * 2006-08-17 2008-02-21 Hella Kgaa Hueck & Co. Stabförmiger Lichtleiter
WO2008122915A2 (en) * 2007-04-06 2008-10-16 Koninklijke Philips Electronics N.V. Lighting structure
US8322881B1 (en) * 2007-12-21 2012-12-04 Appalachian Lighting Systems, Inc. Lighting fixture
JP2009301988A (ja) * 2008-06-17 2009-12-24 Rohm Co Ltd 照明装置
US8235556B2 (en) 2008-10-20 2012-08-07 Reflexite Corporation Condensing element, array, and methods thereof
TW201030281A (en) 2009-02-13 2010-08-16 Ama Precision Inc Light-emitting apparatus and light-guiding member thereof
US8333493B2 (en) 2009-04-03 2012-12-18 North American Lighting, Inc. Dual-direction light pipe for automotive lighting
JP4576491B1 (ja) * 2009-08-24 2010-11-10 フェニックス電機株式会社 発光装置
GB2478986B (en) * 2010-03-26 2015-07-01 Iti Scotland Ltd LED arrays
GB2478987A (en) 2010-03-26 2011-09-28 Iti Scotland Ltd Encapsulation of an LED array forming a light concentrator for use with edge-lit light-guided back lights
US8702292B2 (en) * 2010-09-22 2014-04-22 Terralux, Inc. Linear illumination devices having light guides and LED-based illumination modules
KR20140033527A (ko) * 2012-08-14 2014-03-19 삼성전자주식회사 집광렌즈 및 이를 포함하는 조명장치
DE102012112075B4 (de) * 2012-12-11 2021-07-01 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge mit jeweils einem flächigen, durch eine Lichtscheibe abgedeckten und Streuelemente aufweisenden Lichtleiter an den beiden Seiten einer Fuge
US10208923B2 (en) * 2013-03-15 2019-02-19 Cree, Inc. Optical components for luminaire
DE102013227195A1 (de) * 2013-12-27 2015-07-02 Automotive Lighting Reutlingen Gmbh Kraftfahrzeugleuchte mit einem linien- oder flächenhaften Erscheinungsbild
US12372219B2 (en) * 2014-05-30 2025-07-29 Cree Lighting Usa Llc LED luminaire with a cavity, finned interior, and a curved outer wall extending from a surface on which the light source is mounted
DE102015112848A1 (de) 2015-08-05 2017-02-09 Luke Roberts Gmbh Verbesserte Raumleuchte
FR3044778B1 (fr) * 2015-12-07 2019-08-16 Valeo Vision Element optique transparent avec facettes de renvoi pour duplication d'image
JP6721453B2 (ja) 2016-08-08 2020-07-15 マクセル株式会社 ヘッドアップディスプレイ装置およびその映像表示装置
US10809436B2 (en) * 2017-05-31 2020-10-20 Lumileds Llc Shaping input surfaces of LED light-guides for increased light extraction efficiency
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
CN108800052A (zh) * 2018-04-20 2018-11-13 长春海拉车灯有限公司 一种光导及具有该光导的车灯
US10739513B2 (en) 2018-08-31 2020-08-11 RAB Lighting Inc. Apparatuses and methods for efficiently directing light toward and away from a mounting surface
US10632907B2 (en) 2018-09-10 2020-04-28 Ford Global Technologies Llc Vehicle lamp assembly for the passenger compartment having a first and second optic for functional lighting
US10801679B2 (en) 2018-10-08 2020-10-13 RAB Lighting Inc. Apparatuses and methods for assembling luminaires
US11572994B2 (en) * 2019-12-14 2023-02-07 Valeo North America, Inc. Homogeneous light emission and light guide arrangement of an automobile vehicle for a uniform lit appearance
WO2021209492A1 (en) * 2020-04-15 2021-10-21 CommScope Connectivity Belgium BV Device and method for sealing cables in telecommunications enclosures
JP7324919B2 (ja) * 2021-01-13 2023-08-10 マクセル株式会社 車両

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JPH10133026A (ja) * 1996-10-31 1998-05-22 Canon Inc 導光体を有する照明装置
WO2001008228A1 (fr) * 1999-07-26 2001-02-01 Labosphere Institute Lentille en masse, corps luminescent, dispositif d'eclairage et systeme d'information optique

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US20040264188A1 (en) 2004-12-30
WO2003026031A9 (fr) 2004-04-22
EP1434277A4 (en) 2005-01-26
EP1434277A1 (en) 2004-06-30

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