EP3767161A1 - Dispositif d'éclairage pour un phare de véhicule automobile - Google Patents

Dispositif d'éclairage pour un phare de véhicule automobile Download PDF

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Publication number
EP3767161A1
EP3767161A1 EP19186770.4A EP19186770A EP3767161A1 EP 3767161 A1 EP3767161 A1 EP 3767161A1 EP 19186770 A EP19186770 A EP 19186770A EP 3767161 A1 EP3767161 A1 EP 3767161A1
Authority
EP
European Patent Office
Prior art keywords
lighting device
substrate layer
micro
section
optically effective
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Withdrawn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
EP19186770.4A
Other languages
German (de)
English (en)
Inventor
Josef Gürtl
Alexander Hacker
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.)
ZKW Group GmbH
Original Assignee
ZKW Group GmbH
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 ZKW Group GmbH filed Critical ZKW Group GmbH
Priority to EP19186770.4A priority Critical patent/EP3767161A1/fr
Priority to EP20732221.5A priority patent/EP3999773B1/fr
Priority to KR1020217042679A priority patent/KR20220015440A/ko
Priority to CN202080047094.1A priority patent/CN114026360B/zh
Priority to US17/623,444 priority patent/US11746980B2/en
Priority to JP2022502408A priority patent/JP2022541188A/ja
Priority to PCT/EP2020/066448 priority patent/WO2021008793A1/fr
Publication of EP3767161A1 publication Critical patent/EP3767161A1/fr
Withdrawn legal-status Critical Current

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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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • F21S41/295—Attachment thereof specially adapted to 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
    • F21S41/10—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
    • 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
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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
    • 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

Definitions

  • a light distribution is generated by a lighting device or its at least one projection device, with the at least one or more projection devices being mounted on the support frame of the lighting device and then having to be adjusted. In the case of several projection devices, these are also adjusted or aligned with one another.
  • the substrate layer comprises an edge section encircling the optically effective section and protruding in a partially planar extent of the optically effective section, the edge section being at least partially attached to the support frame by means of an adhesive.
  • the term “optically transparent” or “translucent material” means a material with a transmittance T greater than 0.88, preferably greater than 0.999.
  • the specified degree of transmission preferably relates to light in a wavelength range between approximately 400 nm and approximately 700 nm (i.e. visible light).
  • the at least one substrate layer and the at least one micro-optics array are preferably arranged in parallel to one another and perpendicular to the optical axis or the main emission direction of the projection device.
  • the optical axis of the projection device preferably coincides with the main emission direction of the motor vehicle headlight if the projection device is professionally installed in such a device.
  • the adhesive can be applied at least in regions to the support frame and / or the edge section of the substrate layer.
  • the micro-optics array which is arranged on the substrate layer, is then positioned in front of the support frame, the light source being switched on and the micro-optics array being illuminated. The resulting light distribution is measured and the micro-optics array is adjusted and finally aligned on the support frame.
  • the adhesive is then cured. This process can be repeated for further projection devices of the lighting device.
  • the required installation space for example in a motor vehicle headlight, can be significantly reduced.
  • the at least one substrate layer is made of glass.
  • the at least one substrate layer made of glass can be particularly advantageous to use the at least one substrate layer made of glass.
  • a glass substrate layer increases the stability and strength of the projection device, which enables automated manufacturing processes, for example.
  • a glass substrate layer offers high transparency and increases the chemical and thermal resistance of the projection device.
  • the substrate layer has a thickness of 0.5 to 4 mm, preferably a thickness of 1.1 mm.
  • the at least one micro-optics array is made from silicone.
  • the use of transparent silicone increases the robustness of the projection device. Robust refers to the permanent connection between the micro-optic array and the substrate layer or permanent adhesion of the at least one micro-optic array to the at least one substrate layer.
  • the substrate layer should therefore be formed from a material which has good light transparency and is dimensionally stable enough.
  • dimensionally stable enough means that the substrate layer carries the micro-optic array made of (soft) silicone and does not lose its shape, i.e. against heat or the like, both during the formation of the micro-optic array on the first surface of the substrate layer and during use of the projection device in a motor vehicle headlight . ⁇ . resilient in shape.
  • the at least one micro-optics array is formed from micro-optics formed in one piece with one another.
  • edge section of the substrate layer is not optically effective.
  • the edge section of the substrate layer is opaque.
  • the lighting device has at least two projection devices.
  • the support frame comprises an opening assigned to the at least one projection device, the opening having a circumferential edge area, which edge area corresponds to the edge section of the at least one substrate layer, the edge section being attachable to the edge area of the opening by means of the adhesive .
  • the extent of the opening corresponds at least to the extent of the optically effective section of the substrate layer.
  • edge section completely surrounds the optically effective section of the substrate layer.
  • the edge section protrudes from the optically effective section of the substrate layer in the radial direction to the main emission direction of the at least one projection device.
  • Fig. 1 shows an exemplary lighting device 10 for a motor vehicle headlight, which lighting device 10 in the example shown has two projection devices 100 , the projection devices 100 being arranged on a support frame 50 of the lighting device 10 .
  • the projection devices 100 each include a micro-optics array 200 which has a plurality of micro-optics 210 arranged in a matrix-like manner in a plane orthogonal to a main emission direction X of the projection devices 100 .
  • the micro-optic arrays 200 are each arranged on a substrate layer 300 of the respective projection device 100 , the micro-optic array 200 being arranged on an optically effective section 310 of the respective substrate layer 300 , which optically effective section 310 is at least partially transparent.
  • a projection device 100 comprises a light source 400, which is set up to emit light beams, the light beams being coupled into the optically effective section 310 of the substrate layer 300 and being coupled out by the micro-optics array 200 in front of the lighting device 10 as a light distribution.
  • each substrate layer 300 comprises a the optically active portion 310 completely encircling and projecting in a planar extension of the optically effective portion 310 rim portion 320, the edge portion 320 is at least partially fixed to the support frame 50 by means of an adhesive 500th The edge section 320 projects over or in front of the optically effective section 310 of the substrate layer 300 in the radial direction to the main emission direction X of the respective projection device 100 .
  • the support frame 50 has an opening 51 assigned to each projection device 100 , the opening 51 having a circumferential edge area 52 , which edge area 52 corresponds to the edge section 320 of the respective substrate layer 300 , the edge section 320 being applied to the edge area by means of the adhesive 500 52 of the opening 51 can be fastened.
  • the extent of the opening 51 corresponds to the extent of the optically effective section 310 of the substrate layer 300.
  • Fig. 2 shows an exemplary substrate layer 300 with an optically active section 310 and the optically active portion 310 protruding edge portion 320, where a micro-optics array 200 disposed on the optically functional section 320 and is attached.
  • the edge section 320 is generally not optically effective and can be made opaque, ie the substrate layer 300 can be produced from two different materials or in at least two operations.
  • the substrate layer can be made of glass, the micro-optics array 200 being made of silicone.
  • FIG. 10 shows the exemplary substrate layer 300 with the micro-optics array 200 from Fig. 2 in a top view.
  • the micro-optics array 200 is formed from micro-optics 210 formed in one piece with one another.
  • ⁇ b> LIST OF REFERENCES ⁇ /b> Lighting device 10 Carrying frame 50 opening 51 Edge area (opening) 52 Projection device 100 Micro-optic array 200 Micro-optics 210 Substrate layer 300 opt. effective section 310 Edge section 320 Light source 400 Adhesive 500 Main direction of radiation X

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)
EP19186770.4A 2019-07-17 2019-07-17 Dispositif d'éclairage pour un phare de véhicule automobile Withdrawn EP3767161A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP19186770.4A EP3767161A1 (fr) 2019-07-17 2019-07-17 Dispositif d'éclairage pour un phare de véhicule automobile
EP20732221.5A EP3999773B1 (fr) 2019-07-17 2020-06-15 Dispositif d'éclairage pour un phare de véhicule automobile
KR1020217042679A KR20220015440A (ko) 2019-07-17 2020-06-15 자동차 헤드램프용 조명 장치
CN202080047094.1A CN114026360B (zh) 2019-07-17 2020-06-15 用于机动车前照灯的照明设备
US17/623,444 US11746980B2 (en) 2019-07-17 2020-06-15 Illumination apparatus for a motor vehicle headlight
JP2022502408A JP2022541188A (ja) 2019-07-17 2020-06-15 自動車前照灯用照明装置
PCT/EP2020/066448 WO2021008793A1 (fr) 2019-07-17 2020-06-15 Dispositif d'éclairage destiné à un phare de véhicule automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19186770.4A EP3767161A1 (fr) 2019-07-17 2019-07-17 Dispositif d'éclairage pour un phare de véhicule automobile

Publications (1)

Publication Number Publication Date
EP3767161A1 true EP3767161A1 (fr) 2021-01-20

Family

ID=67437848

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19186770.4A Withdrawn EP3767161A1 (fr) 2019-07-17 2019-07-17 Dispositif d'éclairage pour un phare de véhicule automobile
EP20732221.5A Active EP3999773B1 (fr) 2019-07-17 2020-06-15 Dispositif d'éclairage pour un phare de véhicule automobile

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20732221.5A Active EP3999773B1 (fr) 2019-07-17 2020-06-15 Dispositif d'éclairage pour un phare de véhicule automobile

Country Status (6)

Country Link
US (1) US11746980B2 (fr)
EP (2) EP3767161A1 (fr)
JP (1) JP2022541188A (fr)
KR (1) KR20220015440A (fr)
CN (1) CN114026360B (fr)
WO (1) WO2021008793A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2827049A2 (fr) * 2013-07-18 2015-01-21 Automotive Lighting Reutlingen GmbH Phare pour un phare de route anti-éblouissement
EP3312501A1 (fr) * 2016-10-19 2018-04-25 HELLA GmbH & Co. KGaA Dispositif d'eclairage pour véhicules
EP3492804A1 (fr) * 2017-12-04 2019-06-05 ZKW Group GmbH Phares de véhicule automobile et procédé

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58119106A (ja) * 1982-01-07 1983-07-15 日産自動車株式会社 車両用灯体
DE4106261A1 (de) * 1991-02-28 1992-09-03 Hella Kg Hueck & Co Scheinwerfer fuer fahrzeuge
DE102004045589A1 (de) * 2004-09-17 2006-04-06 Hella Kgaa Hueck & Co. Leuchtvorrichtung für Kraftfahrzeuge
DE102006039705A1 (de) * 2006-08-18 2008-02-28 Schott Ag Linsenvorsatz für einen Scheinwerfer
CN102353003B (zh) * 2011-08-16 2013-10-23 胡文松 用于车辆之远、近灯的led投射灯具
JP6494241B2 (ja) * 2014-10-28 2019-04-03 株式会社小糸製作所 二色成形品
US10578272B2 (en) 2015-05-22 2020-03-03 Flex-N-Gate Advanced Product Development, Llc Lit image projection lamp and method
TW201736772A (zh) * 2016-04-14 2017-10-16 鴻海精密工業股份有限公司 投射透鏡及車燈結構
JP2018138949A (ja) * 2017-02-24 2018-09-06 コニカミノルタ株式会社 波長変換部材及び画像形成装置
DE102017104838A1 (de) * 2017-03-08 2018-09-13 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge sowie Montageverfahren
DE102018107214A1 (de) * 2018-03-27 2019-10-02 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
JP6994605B2 (ja) * 2018-07-25 2022-02-04 華域視覚科技（上海）有限公司 照明表示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2827049A2 (fr) * 2013-07-18 2015-01-21 Automotive Lighting Reutlingen GmbH Phare pour un phare de route anti-éblouissement
EP3312501A1 (fr) * 2016-10-19 2018-04-25 HELLA GmbH & Co. KGaA Dispositif d'eclairage pour véhicules
EP3492804A1 (fr) * 2017-12-04 2019-06-05 ZKW Group GmbH Phares de véhicule automobile et procédé

Also Published As

Publication number Publication date
US11746980B2 (en) 2023-09-05
CN114026360B (zh) 2024-03-26
EP3999773B1 (fr) 2023-08-09
WO2021008793A1 (fr) 2021-01-21
KR20220015440A (ko) 2022-02-08
CN114026360A (zh) 2022-02-08
JP2022541188A (ja) 2022-09-22
EP3999773A1 (fr) 2022-05-25
US20220349545A1 (en) 2022-11-03

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