EP3382266B1 - Dispositif de projection de faisceau lumineux à actionneur mécanique, module optique et projecteur muni d'un tel dispositif - Google Patents

Dispositif de projection de faisceau lumineux à actionneur mécanique, module optique et projecteur muni d'un tel dispositif Download PDF

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Publication number
EP3382266B1
EP3382266B1 EP18163462.7A EP18163462A EP3382266B1 EP 3382266 B1 EP3382266 B1 EP 3382266B1 EP 18163462 A EP18163462 A EP 18163462A EP 3382266 B1 EP3382266 B1 EP 3382266B1
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EP
European Patent Office
Prior art keywords
light beam
light
mechanical actuator
optical axis
angle
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.)
Active
Application number
EP18163462.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3382266A1 (fr
Inventor
Marine Courcier
Benoit Reiss
Jean-Paul Ravier
Vanesa Sanchez
Baptiste BOUISSOU
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
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Valeo Vision SAS
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Publication date
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Publication of EP3382266A1 publication Critical patent/EP3382266A1/fr
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Publication of EP3382266B1 publication Critical patent/EP3382266B1/fr
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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
    • 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
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving 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
    • 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
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/25—Projection lenses
    • 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
    • F21S41/635—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 moving refractors, filters or transparent cover plates
    • 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
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
    • 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
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • 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
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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]

Definitions

  • the invention also relates to a motor vehicle headlight provided with such an optical module.
  • the displacement follows a periodic function substantially in time slots.
  • the upper 16 and lower plates 17 of the slots correspond to the holding time in each of the two extreme positions, and the slopes 18 each joining a high plate 16 to a low plate 17 correspond to the transition time.
  • the hold time lasts about four times longer than the hold time. transition.
  • the holding time is at least four times longer than the transition time, preferably at least twenty times, more preferably at least fifty times.
  • the angle of resolution of the shadow area is reduced to 0.5 °.
  • the shadow zones 21 can only appear on certain components with a resolution angle of 0.5 °, an additional component always being on. More precisely, only one component of a resolution angle of 0.5 ° out of two of the beam can appear extinct.
  • the mechanical actuator 5 is configured to periodically move the source assembly 2 between an intermediate position and another position at choose from two extreme positions opposite to the intermediate position.
  • the periodic displacement between the intermediate position and the first extreme position makes it possible to reveal a shadow zone with a resolution angle of 0.5 ° on the beam with an inactive light source.
  • the periodic displacement between the intermediate position and the second extreme position makes it possible to reveal an additional shadow zone with a resolution angle of 0.5 ° on the beam with the same inactive light source. Consequently, the axis of the beam is periodically oriented between an intermediate direction and a second direction chosen from two extreme directions corresponding to the movement of the source element 2.
  • the device 1 comprises a mirror 9 configured to reflect the light beam coming from the source assembly 2 towards the projection lens 3.
  • the mechanical actuator 5 moves the mirror 9, either in translation when the mirror 9 is the only one element to be moved, either in rotation when it moves together with the source assembly 2.
  • the description presents examples of the invention of a resolution angle divided by two.
  • the device could be adapted so as to further divide the beam resolution angle.
  • the actuator 5 is configured to periodically move at least one of the elements of the device 1 to three positions.
  • the frequency of displacement of the beam is therefore chosen so that the displacement is not perceptible to an observer. In the three-directional example, the frequency is at least 60Hz.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
EP18163462.7A 2017-03-31 2018-03-22 Dispositif de projection de faisceau lumineux à actionneur mécanique, module optique et projecteur muni d'un tel dispositif Active EP3382266B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1752808A FR3064720B1 (fr) 2017-03-31 2017-03-31 Dispositif de projection de faisceau lumineux a actionneur mecanique, module optique et projecteur muni d'un tel dispositif.

Publications (2)

Publication Number Publication Date
EP3382266A1 EP3382266A1 (fr) 2018-10-03
EP3382266B1 true EP3382266B1 (fr) 2019-12-18

Family

ID=58707914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18163462.7A Active EP3382266B1 (fr) 2017-03-31 2018-03-22 Dispositif de projection de faisceau lumineux à actionneur mécanique, module optique et projecteur muni d'un tel dispositif

Country Status (5)

Country Link
US (1) US10408410B2 (zh)
EP (1) EP3382266B1 (zh)
JP (1) JP2018174138A (zh)
CN (1) CN108692276B (zh)
FR (1) FR3064720B1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3913280A1 (de) * 2020-05-19 2021-11-24 ZKW Group GmbH Kraftfahrzeugscheinwerfer
DE102021101279A1 (de) 2021-01-21 2022-07-21 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Kraftfahrzeug, insbesondere Scheinwerfer
CN113048440A (zh) * 2021-04-16 2021-06-29 张其建 一种没有炫目感的汽车远近光大灯
US20240011616A1 (en) 2022-06-29 2024-01-11 Docter Optics Se Motor vehicle
CN116677948B (zh) * 2023-08-03 2024-01-12 常州星宇车灯股份有限公司 汽车照明场景的实现方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008184013A (ja) * 2007-01-30 2008-08-14 Mitsubishi Electric Corp 車両用照明装置
JP4881255B2 (ja) * 2007-08-13 2012-02-22 株式会社小糸製作所 車両用前照灯
JP5221174B2 (ja) * 2008-03-13 2013-06-26 株式会社小糸製作所 車両用前照灯
JP5233627B2 (ja) * 2008-12-05 2013-07-10 トヨタ自動車株式会社 車両用照明装置
US8444272B2 (en) * 2010-01-25 2013-05-21 Corning Incorporated Multi-projector system using multiplexed illumination
EP2666671B1 (en) * 2012-05-23 2019-10-16 SL Corporation Automotive headlamp system and method of controlling the same
FR2993831B1 (fr) * 2012-07-27 2015-07-03 Valeo Vision Systeme d'eclairage adaptatif pour vehicule automobile
KR20140015029A (ko) * 2012-07-27 2014-02-06 현대모비스 주식회사 차량용 헤드 램프 및 이를 포함하는 차량
AT514967B1 (de) * 2013-10-25 2015-08-15 Zizala Lichtsysteme Gmbh Mikroprojektions-Lichtmodul für einen Kraftfahrzeugscheinwerfer
JP6356454B2 (ja) * 2014-03-25 2018-07-11 スタンレー電気株式会社 光スキャナ及び車両用前照灯装置
FR3025151B1 (fr) * 2014-08-29 2018-03-16 Valeo Vision Procede de controle d'un faisceau lumineux et module d'eclairage et/ou de signalisation correspondant
JP2016110853A (ja) * 2014-12-08 2016-06-20 株式会社小糸製作所 車両用前照灯
CN204648161U (zh) * 2015-04-16 2015-09-16 赵明奇 用于自行车车轮的发光环及其组成的同步发光系统
DE102015207560A1 (de) * 2015-04-24 2016-10-27 Osram Gmbh Beleuchtungsvorrichtung mit Halbleiter-Primärlichtquellen und mindestens einem Leuchtstoffkörper
AT517294A1 (de) * 2015-06-09 2016-12-15 Zkw Group Gmbh Scheinwerfer für Fahrzeuge
JP6790433B2 (ja) * 2015-06-25 2020-11-25 株式会社リコー 照明光学系、光学エンジン及び画像投影装置
AT517887B1 (de) * 2015-10-23 2018-06-15 Zkw Group Gmbh Mikroprojektions-Lichtmodul für Fahrzeugscheinwerfer
JP2019114325A (ja) * 2016-04-28 2019-07-11 マクセル株式会社 固体光源装置とそれを利用した電子装置

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Title
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Also Published As

Publication number Publication date
FR3064720B1 (fr) 2019-04-05
US10408410B2 (en) 2019-09-10
FR3064720A1 (fr) 2018-10-05
US20180283641A1 (en) 2018-10-04
CN108692276A (zh) 2018-10-23
CN108692276B (zh) 2020-12-29
EP3382266A1 (fr) 2018-10-03
JP2018174138A (ja) 2018-11-08

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