JP7814397B2 - 車輌用灯具 - Google Patents

車輌用灯具

Info

Publication number
JP7814397B2
JP7814397B2 JP2023543805A JP2023543805A JP7814397B2 JP 7814397 B2 JP7814397 B2 JP 7814397B2 JP 2023543805 A JP2023543805 A JP 2023543805A JP 2023543805 A JP2023543805 A JP 2023543805A JP 7814397 B2 JP7814397 B2 JP 7814397B2
Authority
JP
Japan
Prior art keywords
light
light guide
light source
heat sink
lamp
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
JP2023543805A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023026865A1 (https=
JPWO2023026865A5 (https=
Inventor
洋希 室伏
祐樹 渡邊
太郎 藤澤
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing 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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Publication of JPWO2023026865A1 publication Critical patent/JPWO2023026865A1/ja
Publication of JPWO2023026865A5 publication Critical patent/JPWO2023026865A5/ja
Application granted granted Critical
Publication of JP7814397B2 publication Critical patent/JP7814397B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/27—Attachment thereof
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/20—Direction indicator lights
    • 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
    • F21W2103/55—Daytime running lights [DRL]
    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
JP2023543805A 2021-08-24 2022-08-10 車輌用灯具 Active JP7814397B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021136595 2021-08-24
JP2021136595 2021-08-24
PCT/JP2022/030597 WO2023026865A1 (ja) 2021-08-24 2022-08-10 車輌用灯具

Publications (3)

Publication Number Publication Date
JPWO2023026865A1 JPWO2023026865A1 (https=) 2023-03-02
JPWO2023026865A5 JPWO2023026865A5 (https=) 2025-06-17
JP7814397B2 true JP7814397B2 (ja) 2026-02-16

Family

ID=85323197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023543805A Active JP7814397B2 (ja) 2021-08-24 2022-08-10 車輌用灯具

Country Status (3)

Country Link
JP (1) JP7814397B2 (https=)
CN (1) CN117836556A (https=)
WO (1) WO2023026865A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7805207B2 (ja) * 2022-03-11 2026-01-23 スタンレー電気株式会社 車両用灯具
WO2025121074A1 (ja) * 2023-12-05 2025-06-12 株式会社小糸製作所 車輌用灯具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013161738A (ja) 2012-02-08 2013-08-19 Sharp Corp 投光装置およびそれに用いられる導光部材
JP2018198127A (ja) 2017-05-23 2018-12-13 スタンレー電気株式会社 車両用灯具
JP2019003864A (ja) 2017-06-16 2019-01-10 株式会社小糸製作所 ライトガイド装置
US20200189450A1 (en) 2018-12-12 2020-06-18 Sl Corporation Vehicle lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013161738A (ja) 2012-02-08 2013-08-19 Sharp Corp 投光装置およびそれに用いられる導光部材
JP2018198127A (ja) 2017-05-23 2018-12-13 スタンレー電気株式会社 車両用灯具
JP2019003864A (ja) 2017-06-16 2019-01-10 株式会社小糸製作所 ライトガイド装置
US20200189450A1 (en) 2018-12-12 2020-06-18 Sl Corporation Vehicle lamp

Also Published As

Publication number Publication date
JPWO2023026865A1 (https=) 2023-03-02
WO2023026865A1 (ja) 2023-03-02
CN117836556A (zh) 2024-04-05

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