TWI560478B - Light guide with decoupling portion and shield collecting the decoupled rays - Google Patents

Light guide with decoupling portion and shield collecting the decoupled rays

Info

Publication number
TWI560478B
TWI560478B TW101123386A TW101123386A TWI560478B TW I560478 B TWI560478 B TW I560478B TW 101123386 A TW101123386 A TW 101123386A TW 101123386 A TW101123386 A TW 101123386A TW I560478 B TWI560478 B TW I560478B
Authority
TW
Taiwan
Prior art keywords
decoupled
rays
light guide
decoupling portion
shield
Prior art date
Application number
TW101123386A
Other languages
English (en)
Other versions
TW201307918A (zh
Inventor
Vincent Godbillon
Original Assignee
Valeo Vision
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 Valeo Vision filed Critical Valeo Vision
Publication of TW201307918A publication Critical patent/TW201307918A/zh
Application granted granted Critical
Publication of TWI560478B publication Critical patent/TWI560478B/zh

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
    • F21S43/20—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
    • 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
    • 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
    • F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
    • 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
    • F21S43/249—Light guides with two or more light sources being coupled into 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
    • G02B6/0005—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
    • G02B6/001—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 along at least a portion of the lateral surface of the fibre
    • 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
    • G02B6/0018—Redirecting means on the surface 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
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
TW101123386A 2011-06-29 2012-06-29 Light guide with decoupling portion and shield collecting the decoupled rays TWI560478B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1155785A FR2977332B1 (fr) 2011-06-29 2011-06-29 Guide de lumiere avec portion de decouplage et cache recoltant les rayons decouples

Publications (2)

Publication Number Publication Date
TW201307918A TW201307918A (zh) 2013-02-16
TWI560478B true TWI560478B (en) 2016-12-01

Family

ID=46319071

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101123386A TWI560478B (en) 2011-06-29 2012-06-29 Light guide with decoupling portion and shield collecting the decoupled rays

Country Status (5)

Country Link
US (1) US9256019B2 (zh)
EP (1) EP2541291B1 (zh)
CN (1) CN102854560B (zh)
FR (1) FR2977332B1 (zh)
TW (1) TWI560478B (zh)

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JP5779045B2 (ja) * 2011-08-25 2015-09-16 スタンレー電気株式会社 車両用灯具
US20140192521A1 (en) * 2013-01-10 2014-07-10 Ledil Oy Light guide element
JP2015179579A (ja) * 2014-03-18 2015-10-08 株式会社東芝 導光体および照明装置
AT515864B1 (de) * 2014-06-11 2016-03-15 Zizala Lichtsysteme Gmbh Beleuchtungsvorrichtung für Fahrzeuge sowie Kraftfahrzeugscheinwerfer
US9488767B2 (en) * 2014-08-05 2016-11-08 Cree, Inc. LED based lighting system
US9151461B1 (en) * 2014-08-11 2015-10-06 Min Hsiang Corporation Lens for a vehicular lamp
US10061071B2 (en) * 2015-01-22 2018-08-28 Philips Lighting Holding B.V. Panel luminaire
EP4293417A3 (en) * 2015-11-13 2024-01-24 RealD Spark, LLC Surface features for imaging directional backlights
FR3050011A1 (fr) * 2016-04-11 2017-10-13 Valeo Vision Module d'emission d'un faisceau lumineux pour projecteur de vehicule automobile
KR101811433B1 (ko) * 2016-06-09 2017-12-21 현대모비스 주식회사 자동차의 조명장치
DE102016007709B4 (de) * 2016-06-23 2023-02-02 Mercedes-Benz Group AG Kraftfahrzeugzierteil
CN106369549A (zh) * 2016-09-30 2017-02-01 马瑞利汽车零部件(芜湖)有限公司 发光均匀且尾部无光斑的车灯光导
JP6744196B2 (ja) * 2016-10-31 2020-08-19 スタンレー電気株式会社 車両用灯具
US10012784B1 (en) * 2017-03-30 2018-07-03 Intel Corporation Tiled light guide with deflection structures
US10260683B2 (en) 2017-05-10 2019-04-16 Cree, Inc. Solid-state lamp with LED filaments having different CCT's
FR3066252B1 (fr) * 2017-05-15 2020-10-30 Automotive Lighting Rear Lamps France Dispositif d'eclairage pour un feu de signalisation pour vehicule automobile, favorisant la propagation d'une plus grande quantite de lumiere dans un guide de lumiere
US10330902B1 (en) 2017-06-16 2019-06-25 Dbm Reflex Enterprises Inc. Illumination optics and devices
CN107228325B (zh) * 2017-07-05 2020-06-23 上海小糸车灯有限公司 具有衍射状点灯效果的汽车灯
US11085604B2 (en) * 2017-09-12 2021-08-10 Lumileds Llc Holder for vehicle signaling light
JP6670874B2 (ja) * 2018-03-08 2020-03-25 株式会社小糸製作所 線状発光パターンを形成する発光装置
CN108627911B (zh) * 2018-05-15 2024-04-05 杭州矽能新材料有限公司 异形导光部件及发光装饰组件
US10480745B1 (en) 2018-05-24 2019-11-19 Valeo North America, Inc. Arranged light pipes for automotive lighting systems
CN109323209A (zh) * 2018-11-13 2019-02-12 华域视觉科技(上海)有限公司 截面可变的导光件、车灯及汽车
FR3090075B1 (fr) * 2018-12-18 2021-06-11 Valeo Vision Module lumineux avec masque de style
DE102020132976A1 (de) * 2019-12-20 2021-06-24 Olsa S.P.A. Lichtleiter für leuchten und zugehörige leuchten für kraftfahrzeuge
CN211780819U (zh) * 2020-01-02 2020-10-27 市光法雷奥（佛山）汽车照明***有限公司 光导部件、相应的车灯和车辆
CN111536487B (zh) * 2020-04-22 2021-03-19 东风汽车集团有限公司 一种汽车信号灯配光装置
CN215216048U (zh) * 2021-04-26 2021-12-17 市光法雷奥（佛山）汽车照明***有限公司 一种导光装置、车灯及车辆

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CN102072447A (zh) * 2009-11-03 2011-05-25 汽车照明罗伊特林根有限公司 用于机动车的照明装置

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CN102072447A (zh) * 2009-11-03 2011-05-25 汽车照明罗伊特林根有限公司 用于机动车的照明装置

Also Published As

Publication number Publication date
CN102854560B (zh) 2016-08-31
US20130003398A1 (en) 2013-01-03
CN102854560A (zh) 2013-01-02
FR2977332A1 (fr) 2013-01-04
US9256019B2 (en) 2016-02-09
EP2541291A1 (fr) 2013-01-02
EP2541291B1 (fr) 2021-04-07
TW201307918A (zh) 2013-02-16
FR2977332B1 (fr) 2017-08-11

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