EP2442016A3 - Glass of a lighting and/or signalling device with variable light-transmission coefficient - Google Patents

Glass of a lighting and/or signalling device with variable light-transmission coefficient Download PDF

Info

Publication number
EP2442016A3
EP2442016A3 EP11184082A EP11184082A EP2442016A3 EP 2442016 A3 EP2442016 A3 EP 2442016A3 EP 11184082 A EP11184082 A EP 11184082A EP 11184082 A EP11184082 A EP 11184082A EP 2442016 A3 EP2442016 A3 EP 2442016A3
Authority
EP
European Patent Office
Prior art keywords
lighting
variable light
transmission coefficient
glass
signalling device
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.)
Withdrawn
Application number
EP11184082A
Other languages
German (de)
French (fr)
Other versions
EP2442016A2 (en
Inventor
Pierre Albou
Jean-Claude Puente
Damien Chardaire
Olivier Ruat
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 SAS filed Critical Valeo Vision SAS
Publication of EP2442016A2 publication Critical patent/EP2442016A2/en
Publication of EP2442016A3 publication Critical patent/EP2442016A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
    • F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
    • F21S41/645—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
    • 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
    • F21S43/255—Filters
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

L'invention concerne une glace 4 d'un système d'éclairage et/ou de signalisation 1 pour véhicule automobile, caractérisée en ce qu'elle comprend une première zone 8 présentant un coefficient de transmission lumineuse variable.The invention relates to an ice 4 of a lighting and / or signaling system 1 for a motor vehicle, characterized in that it comprises a first zone 8 having a variable light transmission coefficient.

L'invention couvre également un dispositif d'éclairage et/ou de signalisation équipé d'une telle glace.The invention also covers a lighting and / or signaling device equipped with such ice.

Application aux véhicules automobiles.

Figure imgaf001
Application to motor vehicles.
Figure imgaf001
EP11184082A 2010-10-12 2011-10-06 Glass of a lighting and/or signalling device with variable light-transmission coefficient Withdrawn EP2442016A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1058296A FR2965889B1 (en) 2010-10-12 2010-10-12 LIGHTING AND / OR SIGNALING DEVICE ICE WITH VARIABLE LIGHT TRANSMISSION COEFFICIENT

Publications (2)

Publication Number Publication Date
EP2442016A2 EP2442016A2 (en) 2012-04-18
EP2442016A3 true EP2442016A3 (en) 2012-08-08

Family

ID=44146873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11184082A Withdrawn EP2442016A3 (en) 2010-10-12 2011-10-06 Glass of a lighting and/or signalling device with variable light-transmission coefficient

Country Status (2)

Country Link
EP (1) EP2442016A3 (en)
FR (2) FR2965889B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10240741B2 (en) 2014-07-23 2019-03-26 Myotek Holdings, Inc. Fog lamp lens and assembly
AT516080B1 (en) 2014-07-28 2016-04-15 Zizala Lichtsysteme Gmbh Cover for a lighting device
FR3041070A1 (en) * 2015-09-14 2017-03-17 Peugeot Citroen Automobiles Sa VEHICLE PROJECTOR
FR3059082B1 (en) * 2016-11-21 2019-07-12 Peugeot Citroen Automobiles Sa ZONED SCREEN LIGHTING DEVICE HAVING DIFFERENT LIGHT TRANSMISSION COEFFICIENTS
CN108844039A (en) * 2018-06-08 2018-11-20 华域视觉科技(上海)有限公司 A kind of car light multifunctional ligand photo structure and light distributing method
KR102585750B1 (en) * 2018-08-13 2023-10-11 현대자동차주식회사 Lighting apparatus for vehicle
CN111237711A (en) * 2018-11-29 2020-06-05 深圳市绎立锐光科技开发有限公司 Light source system and lighting device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590965A1 (en) * 1985-11-29 1987-06-05 Cibie Projecteurs Signalling light with two states of illumination for a vehicle such as a motor vehicle
FR2605086A1 (en) * 1986-10-10 1988-04-15 Cibie Projecteurs Lighting devices with electrochromic screen, in particular for motor vehicles
DE8812322U1 (en) * 1988-09-29 1988-12-08 Rohrer, Emil, 8901 Koenigsbrunn, De
DE102005058127A1 (en) * 2005-11-30 2007-06-06 Schefenacker Vision Systems Germany Gmbh Vehicle lamp e.g. motor vehicle rear lamp, has translucent mediums that are nontransparent in radiating direction of light which is transmitted from illuminants in translucent manner and in opposite direction of light
FR2927858A1 (en) * 2008-02-26 2009-08-28 Peugeot Citroen Automobiles Sa Illuminating headlight for motor vehicle, has intermittent screen housed in case and interposed in fixed position on path of light beam delivered by optical module for blocking or releasing path when headlight is not in or in service

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63129903U (en) * 1987-02-18 1988-08-25
US6491416B1 (en) * 2001-05-25 2002-12-10 Illume, L.L.C. Headlight masking method and apparatus
DE20316660U1 (en) * 2003-10-29 2003-12-24 Rank, Franz Car has components, especially indicator or brake lights or head lamps, with surface layer whose color and optical density can be altered by adjusting electric field on electrochromic layer
KR20090009465A (en) * 2007-07-20 2009-01-23 기아자동차주식회사 Led lamp floodlight quantity control device and the method which uses the variable glass

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2590965A1 (en) * 1985-11-29 1987-06-05 Cibie Projecteurs Signalling light with two states of illumination for a vehicle such as a motor vehicle
FR2605086A1 (en) * 1986-10-10 1988-04-15 Cibie Projecteurs Lighting devices with electrochromic screen, in particular for motor vehicles
DE8812322U1 (en) * 1988-09-29 1988-12-08 Rohrer, Emil, 8901 Koenigsbrunn, De
DE102005058127A1 (en) * 2005-11-30 2007-06-06 Schefenacker Vision Systems Germany Gmbh Vehicle lamp e.g. motor vehicle rear lamp, has translucent mediums that are nontransparent in radiating direction of light which is transmitted from illuminants in translucent manner and in opposite direction of light
FR2927858A1 (en) * 2008-02-26 2009-08-28 Peugeot Citroen Automobiles Sa Illuminating headlight for motor vehicle, has intermittent screen housed in case and interposed in fixed position on path of light beam delivered by optical module for blocking or releasing path when headlight is not in or in service

Also Published As

Publication number Publication date
FR2965889A1 (en) 2012-04-13
FR2965889B1 (en) 2016-01-08
FR3025288A1 (en) 2016-03-04
EP2442016A2 (en) 2012-04-18
FR3025288B1 (en) 2018-08-24

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