JP7241908B2 - 前照灯装置 - Google Patents

前照灯装置 Download PDF

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Publication number
JP7241908B2
JP7241908B2 JP2021555688A JP2021555688A JP7241908B2 JP 7241908 B2 JP7241908 B2 JP 7241908B2 JP 2021555688 A JP2021555688 A JP 2021555688A JP 2021555688 A JP2021555688 A JP 2021555688A JP 7241908 B2 JP7241908 B2 JP 7241908B2
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JP
Japan
Prior art keywords
light
light receiving
optical
unit
distribution pattern
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
JP2021555688A
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English (en)
Japanese (ja)
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JPWO2021095156A1 (https=
JPWO2021095156A5 (https=
Inventor
勝重 諏訪
律也 大嶋
宗晴 桑田
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of JPWO2021095156A1 publication Critical patent/JPWO2021095156A1/ja
Publication of JPWO2021095156A5 publication Critical patent/JPWO2021095156A5/ja
Application granted granted Critical
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Classifications

    • 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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0017—Devices integrating an element dedicated to another function
    • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
    • 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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
    • 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
    • F21S41/10—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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • 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
    • 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
    • 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
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2021555688A 2019-11-13 2019-11-13 前照灯装置 Active JP7241908B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/044499 WO2021095156A1 (ja) 2019-11-13 2019-11-13 前照灯装置

Publications (3)

Publication Number Publication Date
JPWO2021095156A1 JPWO2021095156A1 (https=) 2021-05-20
JPWO2021095156A5 JPWO2021095156A5 (https=) 2022-03-24
JP7241908B2 true JP7241908B2 (ja) 2023-03-17

Family

ID=75911924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021555688A Active JP7241908B2 (ja) 2019-11-13 2019-11-13 前照灯装置

Country Status (5)

Country Link
US (1) US11970108B2 (https=)
JP (1) JP7241908B2 (https=)
CN (1) CN114641652B (https=)
DE (1) DE112019007897T5 (https=)
WO (1) WO2021095156A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022059089A1 (ja) 2020-09-16 2022-03-24 三菱電機株式会社 前照灯装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998054030A1 (en) 1997-05-29 1998-12-03 Räfshult A lighting device having a controllable lighting pattern
WO2013015213A1 (ja) 2011-07-28 2013-01-31 株式会社デンソー 前照灯配光制御装置及び方法
JP2018156862A (ja) 2017-03-17 2018-10-04 トヨタ自動車株式会社 車両用前照灯装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010217241A (ja) 2009-03-13 2010-09-30 Genesis Technology Co Ltd 画像表示システム
JP6001238B2 (ja) 2011-02-14 2016-10-05 株式会社小糸製作所 車両用前照灯の配光制御装置
JP2013191478A (ja) 2012-03-15 2013-09-26 Koito Mfg Co Ltd 車両用の前照灯装置
EP3179158A4 (en) 2014-08-07 2018-03-21 Koito Manufacturing Co., Ltd. Lamp for vehicles
JP6448944B2 (ja) * 2014-08-07 2019-01-09 株式会社小糸製作所 車両用灯具
US9855887B1 (en) * 2015-07-28 2018-01-02 Apple Inc. Dynamic control of projected light relative to a scene
JP2018024374A (ja) 2016-08-12 2018-02-15 アイシン精機株式会社 車両用投影装置
JP6727326B2 (ja) * 2016-11-17 2020-07-22 三菱電機株式会社 発光装置、電子機器、照明装置および車両用前照灯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998054030A1 (en) 1997-05-29 1998-12-03 Räfshult A lighting device having a controllable lighting pattern
WO2013015213A1 (ja) 2011-07-28 2013-01-31 株式会社デンソー 前照灯配光制御装置及び方法
JP2018156862A (ja) 2017-03-17 2018-10-04 トヨタ自動車株式会社 車両用前照灯装置

Also Published As

Publication number Publication date
JPWO2021095156A1 (https=) 2021-05-20
CN114641652B (zh) 2025-05-13
CN114641652A (zh) 2022-06-17
US11970108B2 (en) 2024-04-30
WO2021095156A1 (ja) 2021-05-20
DE112019007897T5 (de) 2022-09-15
US20240083345A1 (en) 2024-03-14

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