JP7433326B2 - 車輌用灯具及び灯具ユニット - Google Patents

車輌用灯具及び灯具ユニット Download PDF

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Publication number
JP7433326B2
JP7433326B2 JP2021542841A JP2021542841A JP7433326B2 JP 7433326 B2 JP7433326 B2 JP 7433326B2 JP 2021542841 A JP2021542841 A JP 2021542841A JP 2021542841 A JP2021542841 A JP 2021542841A JP 7433326 B2 JP7433326 B2 JP 7433326B2
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JP
Japan
Prior art keywords
cooling fan
lamp
reflector
heat sink
projection lens
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
JP2021542841A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021039633A1 (he
Inventor
祐樹 渡邊
洋希 室伏
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 JPWO2021039633A1 publication Critical patent/JPWO2021039633A1/ja
Application granted granted Critical
Publication of JP7433326B2 publication Critical patent/JP7433326B2/ja
Active 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
    • F21S41/10—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
    • F21S41/25—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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • 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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/10—Protection of lighting devices
    • 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
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans

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  • 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)
JP2021542841A 2019-08-26 2020-08-21 車輌用灯具及び灯具ユニット Active JP7433326B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019154114 2019-08-26
JP2019154113 2019-08-26
JP2019154113 2019-08-26
JP2019154114 2019-08-26
PCT/JP2020/031639 WO2021039633A1 (ja) 2019-08-26 2020-08-21 車輌用灯具及び灯具ユニット

Publications (2)

Publication Number Publication Date
JPWO2021039633A1 JPWO2021039633A1 (he) 2021-03-04
JP7433326B2 true JP7433326B2 (ja) 2024-02-19

Family

ID=74685557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021542841A Active JP7433326B2 (ja) 2019-08-26 2020-08-21 車輌用灯具及び灯具ユニット

Country Status (2)

Country Link
JP (1) JP7433326B2 (he)
WO (1) WO2021039633A1 (he)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011082005A (ja) 2009-10-07 2011-04-21 Koito Mfg Co Ltd 車輌用灯具
JP2014063604A (ja) 2012-09-20 2014-04-10 Ichikoh Ind Ltd 車両用灯具
US20140146555A1 (en) 2012-11-28 2014-05-29 Sl Corporation Lamp assembly for vehicle
JP2014154253A (ja) 2013-02-05 2014-08-25 Koito Mfg Co Ltd 車輌用灯具
WO2015122303A1 (ja) 2014-02-12 2015-08-20 株式会社小糸製作所 光学ユニットおよび車両用灯具
JP2017022032A (ja) 2015-07-13 2017-01-26 市光工業株式会社 車両用灯具
JP2019003908A (ja) 2017-06-20 2019-01-10 株式会社小糸製作所 ランプユニット
JP2019505084A (ja) 2016-02-02 2019-02-21 ツェットカーヴェー グループ ゲーエムベーハー 自動車用の照射ユニット

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01165501U (he) * 1988-05-13 1989-11-20

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011082005A (ja) 2009-10-07 2011-04-21 Koito Mfg Co Ltd 車輌用灯具
JP2014063604A (ja) 2012-09-20 2014-04-10 Ichikoh Ind Ltd 車両用灯具
US20140146555A1 (en) 2012-11-28 2014-05-29 Sl Corporation Lamp assembly for vehicle
JP2014154253A (ja) 2013-02-05 2014-08-25 Koito Mfg Co Ltd 車輌用灯具
WO2015122303A1 (ja) 2014-02-12 2015-08-20 株式会社小糸製作所 光学ユニットおよび車両用灯具
JP2017022032A (ja) 2015-07-13 2017-01-26 市光工業株式会社 車両用灯具
JP2019505084A (ja) 2016-02-02 2019-02-21 ツェットカーヴェー グループ ゲーエムベーハー 自動車用の照射ユニット
JP2019003908A (ja) 2017-06-20 2019-01-10 株式会社小糸製作所 ランプユニット

Also Published As

Publication number Publication date
WO2021039633A1 (ja) 2021-03-04
JPWO2021039633A1 (he) 2021-03-04

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