JP7423371B2 - 車両用灯具 - Google Patents

車両用灯具 Download PDF

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Publication number
JP7423371B2
JP7423371B2 JP2020052029A JP2020052029A JP7423371B2 JP 7423371 B2 JP7423371 B2 JP 7423371B2 JP 2020052029 A JP2020052029 A JP 2020052029A JP 2020052029 A JP2020052029 A JP 2020052029A JP 7423371 B2 JP7423371 B2 JP 7423371B2
Authority
JP
Japan
Prior art keywords
light
lens body
light source
incident
section
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
JP2020052029A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021150262A (ja
JP2021150262A5 (enExample
Inventor
将太 西村
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.)
Stanley Electric Co Ltd
Original Assignee
Stanley Electric Co Ltd
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 Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Priority to JP2020052029A priority Critical patent/JP7423371B2/ja
Priority to PCT/JP2021/011862 priority patent/WO2021193588A1/ja
Priority to EP21776071.9A priority patent/EP4130569B1/en
Priority to CN202180016276.7A priority patent/CN115151756B/zh
Priority to US17/911,427 priority patent/US11713858B2/en
Publication of JP2021150262A publication Critical patent/JP2021150262A/ja
Publication of JP2021150262A5 publication Critical patent/JP2021150262A5/ja
Application granted granted Critical
Publication of JP7423371B2 publication Critical patent/JP7423371B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21S41/10—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like 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
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/24—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
    • 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
    • F21S41/27—Thick 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • 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
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2020052029A 2020-03-24 2020-03-24 車両用灯具 Active JP7423371B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2020052029A JP7423371B2 (ja) 2020-03-24 2020-03-24 車両用灯具
PCT/JP2021/011862 WO2021193588A1 (ja) 2020-03-24 2021-03-23 車両用灯具
EP21776071.9A EP4130569B1 (en) 2020-03-24 2021-03-23 Vehicle lighting
CN202180016276.7A CN115151756B (zh) 2020-03-24 2021-03-23 车辆用灯具
US17/911,427 US11713858B2 (en) 2020-03-24 2021-03-23 Vehicle lighting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020052029A JP7423371B2 (ja) 2020-03-24 2020-03-24 車両用灯具

Publications (3)

Publication Number Publication Date
JP2021150262A JP2021150262A (ja) 2021-09-27
JP2021150262A5 JP2021150262A5 (enExample) 2023-03-24
JP7423371B2 true JP7423371B2 (ja) 2024-01-29

Family

ID=77849484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020052029A Active JP7423371B2 (ja) 2020-03-24 2020-03-24 車両用灯具

Country Status (5)

Country Link
US (1) US11713858B2 (enExample)
EP (1) EP4130569B1 (enExample)
JP (1) JP7423371B2 (enExample)
CN (1) CN115151756B (enExample)
WO (1) WO2021193588A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7540299B2 (ja) * 2020-10-30 2024-08-27 市光工業株式会社 車両用前照灯
WO2023032638A1 (ja) * 2021-08-30 2023-03-09 株式会社小糸製作所 マイクロレンズアレイおよびマイクロレンズアレイを用いた車両用灯具
WO2025047540A1 (ja) * 2023-08-31 2025-03-06 株式会社小糸製作所 車両用前照灯

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016006138A1 (ja) 2014-07-08 2016-01-14 三菱電機株式会社 前照灯モジュール及び前照灯装置
WO2018043663A1 (ja) 2016-09-02 2018-03-08 株式会社小糸製作所 車両用灯具

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08167301A (ja) 1994-12-12 1996-06-25 Nippondenso Co Ltd 車両用前照灯
EP2322848B1 (en) * 2009-11-12 2017-09-27 Stanley Electric Co., Ltd. Vehicle light
US9951918B2 (en) * 2013-08-12 2018-04-24 Mitsubishi Electric Corporation Vehicle headlight device and light guide element
KR101614684B1 (ko) * 2014-04-24 2016-04-22 은현수 헤드라이트용 플라스틱 아크로매틱렌즈
WO2016013340A1 (ja) * 2014-07-25 2016-01-28 スタンレー電気株式会社 車両用灯具
JP6516495B2 (ja) * 2015-02-13 2019-05-22 株式会社小糸製作所 車両用灯具
CN104832859B (zh) * 2015-05-29 2018-08-07 奇瑞汽车股份有限公司 一种远近光一体的前照灯
KR20170112253A (ko) * 2016-03-31 2017-10-12 에스엘 주식회사 차량용 램프
FR3050011A1 (fr) * 2016-04-11 2017-10-13 Valeo Vision Module d'emission d'un faisceau lumineux pour projecteur de vehicule automobile
KR20190081690A (ko) * 2017-12-29 2019-07-09 에스엘 주식회사 차량용 램프
FR3084755B1 (fr) * 2018-08-02 2020-12-18 Valeo Vision Piece optique comprenant un bloc avec un dioptre formant plieuse pour deux faisceaux
JP7142918B2 (ja) 2019-03-22 2022-09-28 国立研究開発法人農業・食品産業技術総合研究機構 全球測位衛星システム受信機搭載の対空標識

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016006138A1 (ja) 2014-07-08 2016-01-14 三菱電機株式会社 前照灯モジュール及び前照灯装置
WO2018043663A1 (ja) 2016-09-02 2018-03-08 株式会社小糸製作所 車両用灯具

Also Published As

Publication number Publication date
EP4130569A1 (en) 2023-02-08
WO2021193588A1 (ja) 2021-09-30
EP4130569B1 (en) 2025-07-09
US20230100039A1 (en) 2023-03-30
CN115151756A (zh) 2022-10-04
EP4130569A4 (en) 2023-10-04
JP2021150262A (ja) 2021-09-27
CN115151756B (zh) 2024-09-17
US11713858B2 (en) 2023-08-01

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