JP7492665B2 - 照明装置、車両及び光の照射方法 - Google Patents

照明装置、車両及び光の照射方法 Download PDF

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Publication number
JP7492665B2
JP7492665B2 JP2020094183A JP2020094183A JP7492665B2 JP 7492665 B2 JP7492665 B2 JP 7492665B2 JP 2020094183 A JP2020094183 A JP 2020094183A JP 2020094183 A JP2020094183 A JP 2020094183A JP 7492665 B2 JP7492665 B2 JP 7492665B2
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Japan
Prior art keywords
reflecting surface
rotation axis
light
reflector
light source
Prior art date
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Active
Application number
JP2020094183A
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English (en)
Japanese (ja)
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JP2021190292A5 (https=
JP2021190292A (ja
Inventor
和 北原
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.)
Nichia Corp
Original Assignee
Nichia Corp
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Filing date
Publication date
Application filed by Nichia Corp filed Critical Nichia Corp
Priority to JP2020094183A priority Critical patent/JP7492665B2/ja
Priority to US17/314,242 priority patent/US11391434B2/en
Publication of JP2021190292A publication Critical patent/JP2021190292A/ja
Publication of JP2021190292A5 publication Critical patent/JP2021190292A5/ja
Application granted granted Critical
Publication of JP7492665B2 publication Critical patent/JP7492665B2/ja
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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
    • F21S41/67—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
    • F21S41/16—Laser 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
    • 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
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/08—Optical design with elliptical curvature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/50—Projected symbol or information, e.g. onto the road or car body
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2020094183A 2020-05-29 2020-05-29 照明装置、車両及び光の照射方法 Active JP7492665B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020094183A JP7492665B2 (ja) 2020-05-29 2020-05-29 照明装置、車両及び光の照射方法
US17/314,242 US11391434B2 (en) 2020-05-29 2021-05-07 Lighting device, vehicle, and method of casting light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020094183A JP7492665B2 (ja) 2020-05-29 2020-05-29 照明装置、車両及び光の照射方法

Publications (3)

Publication Number Publication Date
JP2021190292A JP2021190292A (ja) 2021-12-13
JP2021190292A5 JP2021190292A5 (https=) 2023-05-23
JP7492665B2 true JP7492665B2 (ja) 2024-05-30

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JP2020094183A Active JP7492665B2 (ja) 2020-05-29 2020-05-29 照明装置、車両及び光の照射方法

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US (1) US11391434B2 (https=)
JP (1) JP7492665B2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023191345A1 (ko) * 2022-03-29 2023-10-05 에스엘 주식회사 조명 장치
KR20230140163A (ko) * 2022-03-29 2023-10-06 에스엘 주식회사 조명 시스템

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016088283A (ja) 2014-11-05 2016-05-23 株式会社小糸製作所 車両用前照灯システム
JP2018106928A (ja) 2016-12-27 2018-07-05 株式会社小糸製作所 車両用前照灯
JP2019006366A (ja) 2017-06-23 2019-01-17 晃弘 楠本 進路予告灯

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT513123B1 (de) 2012-07-11 2023-11-15 Zkw Group Gmbh Beleuchtungsvorrichtung für ein Kraftfahrzeug, Scheinwerfer sowie Scheinwerfersystem
JPWO2015122303A1 (ja) 2014-02-12 2017-03-30 株式会社小糸製作所 光学ユニットおよび車両用灯具
JP6349139B2 (ja) 2014-04-23 2018-06-27 株式会社小糸製作所 照明制御システム
JP6770790B2 (ja) 2015-04-01 2020-10-21 株式会社小糸製作所 車両用描画装置
CN107960069B (zh) 2015-04-17 2024-02-02 株式会社小糸制作所 车辆用灯具
JP6985807B2 (ja) 2017-04-18 2021-12-22 株式会社小糸製作所 光学ユニット
JP6255555B1 (ja) 2017-06-29 2018-01-10 フェニックス電機株式会社 発光ダイオードランプ
TWI662222B (zh) 2017-06-29 2019-06-11 Phoenix Electric Co., Ltd. 發光二極管燈
JP7009097B2 (ja) * 2017-07-10 2022-01-25 株式会社小糸製作所 光学ユニット
EP3660391A4 (en) 2017-07-26 2021-04-07 Koito Manufacturing Co., Ltd. OPTICAL UNIT
JP7053227B2 (ja) * 2017-11-16 2022-04-12 スタンレー電気株式会社 光照射装置及び車両用灯具
JP7265306B2 (ja) 2018-09-28 2023-04-26 株式会社小糸製作所 車両用前照灯
JP7115255B2 (ja) * 2018-11-28 2022-08-09 トヨタ自動車株式会社 車両用前照灯装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016088283A (ja) 2014-11-05 2016-05-23 株式会社小糸製作所 車両用前照灯システム
JP2018106928A (ja) 2016-12-27 2018-07-05 株式会社小糸製作所 車両用前照灯
JP2019006366A (ja) 2017-06-23 2019-01-17 晃弘 楠本 進路予告灯

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US20210372586A1 (en) 2021-12-02
US11391434B2 (en) 2022-07-19
JP2021190292A (ja) 2021-12-13

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