JP7471885B2 - 車両用灯具 - Google Patents

車両用灯具 Download PDF

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Publication number
JP7471885B2
JP7471885B2 JP2020053271A JP2020053271A JP7471885B2 JP 7471885 B2 JP7471885 B2 JP 7471885B2 JP 2020053271 A JP2020053271 A JP 2020053271A JP 2020053271 A JP2020053271 A JP 2020053271A JP 7471885 B2 JP7471885 B2 JP 7471885B2
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JP
Japan
Prior art keywords
light
vehicle
exit surface
projection lens
line
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
JP2020053271A
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English (en)
Japanese (ja)
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JP2021153024A5 (enExample
JP2021153024A (ja
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 JP2020053271A priority Critical patent/JP7471885B2/ja
Priority to US17/207,809 priority patent/US11320108B2/en
Publication of JP2021153024A publication Critical patent/JP2021153024A/ja
Publication of JP2021153024A5 publication Critical patent/JP2021153024A5/ja
Application granted granted Critical
Publication of JP7471885B2 publication Critical patent/JP7471885B2/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
    • F21S41/20—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
    • F21S41/14—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]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • 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
    • F21S41/30—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21W2102/155—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 having inclined and horizontal cutoff lines
    • 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

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)
JP2020053271A 2020-03-24 2020-03-24 車両用灯具 Active JP7471885B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020053271A JP7471885B2 (ja) 2020-03-24 2020-03-24 車両用灯具
US17/207,809 US11320108B2 (en) 2020-03-24 2021-03-22 Lighting tool for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020053271A JP7471885B2 (ja) 2020-03-24 2020-03-24 車両用灯具

Publications (3)

Publication Number Publication Date
JP2021153024A JP2021153024A (ja) 2021-09-30
JP2021153024A5 JP2021153024A5 (enExample) 2023-03-27
JP7471885B2 true JP7471885B2 (ja) 2024-04-22

Family

ID=77855681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020053271A Active JP7471885B2 (ja) 2020-03-24 2020-03-24 車両用灯具

Country Status (2)

Country Link
US (1) US11320108B2 (enExample)
JP (1) JP7471885B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102695115B1 (ko) * 2019-12-20 2024-08-13 하스코 비전 테크놀로지 컴퍼니 리미티드 광학 소자, 차량용 램프 모듈, 차량용 램프 및 차량
KR20230056465A (ko) * 2021-10-20 2023-04-27 현대모비스 주식회사 차량용 램프
JP7753818B2 (ja) * 2021-11-12 2025-10-15 市光工業株式会社 ランプユニット、車両用灯具
WO2023164023A1 (en) * 2022-02-28 2023-08-31 J.W. Speaker Corporation Headlamp for a vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008171773A (ja) 2007-01-15 2008-07-24 Koito Mfg Co Ltd 車両用灯具
JP2012174653A (ja) 2011-02-24 2012-09-10 Koito Mfg Co Ltd 車両用灯具
JP2016071976A (ja) 2014-09-29 2016-05-09 市光工業株式会社 車両用灯具
JP2017174734A (ja) 2016-03-25 2017-09-28 スタンレー電気株式会社 レンズ体、レンズ結合体及び車両用灯具

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2830073B1 (fr) * 2001-09-27 2003-12-12 Valeo Vision Projecteur d'eclairage elliptique de vehicule automobile comportant un systeme optique secondaire
JP5883588B2 (ja) * 2011-07-26 2016-03-15 株式会社小糸製作所 車輌用灯具
JP2013134974A (ja) * 2011-12-27 2013-07-08 Ichikoh Ind Ltd 車両用前照灯
JP5953742B2 (ja) * 2011-12-27 2016-07-20 市光工業株式会社 車両用前照灯
JP5828278B2 (ja) * 2011-12-27 2015-12-02 市光工業株式会社 車両用前照灯
JP5897913B2 (ja) * 2012-01-26 2016-04-06 株式会社小糸製作所 灯具ユニット
JP6131571B2 (ja) * 2012-11-13 2017-05-24 市光工業株式会社 車両用灯具
EP2985522B1 (en) * 2013-04-02 2021-03-24 Ichikoh Industries, Ltd. Vehicle lamp
US9939122B2 (en) * 2013-05-17 2018-04-10 Ichikoh Industries, Ltd. Vehicle headlamp
US20170239273A1 (en) * 2014-08-22 2017-08-24 Kang Zhang Compositions and methods to treat and/or prevent vision disorders of the lens of the eye
JP6722030B2 (ja) * 2016-04-19 2020-07-15 スタンレー電気株式会社 車両用灯具
FR3051884A1 (fr) * 2016-05-27 2017-12-01 Koito Mfg Co Ltd Lampe de vehicule
JP6713869B2 (ja) 2016-07-25 2020-06-24 スタンレー電気株式会社 車両用灯具
EP3508777A4 (en) * 2016-09-02 2020-06-24 Koito Manufacturing Co., Ltd. VEHICLE LAMP
CN110023673B (zh) * 2016-12-22 2021-10-01 本田技研工业株式会社 车辆用前照灯
TWI647131B (zh) * 2018-02-08 2019-01-11 樺薪光電有限公司 車燈

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008171773A (ja) 2007-01-15 2008-07-24 Koito Mfg Co Ltd 車両用灯具
JP2012174653A (ja) 2011-02-24 2012-09-10 Koito Mfg Co Ltd 車両用灯具
JP2016071976A (ja) 2014-09-29 2016-05-09 市光工業株式会社 車両用灯具
JP2017174734A (ja) 2016-03-25 2017-09-28 スタンレー電気株式会社 レンズ体、レンズ結合体及び車両用灯具

Also Published As

Publication number Publication date
US20210301995A1 (en) 2021-09-30
JP2021153024A (ja) 2021-09-30
US11320108B2 (en) 2022-05-03

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