CN119894724A - 车辆用前照灯 - Google Patents

车辆用前照灯 Download PDF

Info

Publication number
CN119894724A
CN119894724A CN202380070037.9A CN202380070037A CN119894724A CN 119894724 A CN119894724 A CN 119894724A CN 202380070037 A CN202380070037 A CN 202380070037A CN 119894724 A CN119894724 A CN 119894724A
Authority
CN
China
Prior art keywords
light
region
image
dimming
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.)
Pending
Application number
CN202380070037.9A
Other languages
English (en)
Chinese (zh)
Inventor
真野光治
若杉知树
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 CN119894724A publication Critical patent/CN119894724A/zh
Pending legal-status Critical Current

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
    • 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
    • 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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/60—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
    • 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
    • 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
    • F21W2102/14—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 vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users
    • 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
    • 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
    • F21W2102/16—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 blurred cut-off lines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
CN202380070037.9A 2022-09-30 2023-09-01 车辆用前照灯 Pending CN119894724A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2022-158864 2022-09-30
JP2022158864 2022-09-30
JP2022177540 2022-11-04
JP2022-177540 2022-11-04
PCT/JP2023/032107 WO2024070503A1 (ja) 2022-09-30 2023-09-01 車両用前照灯

Publications (1)

Publication Number Publication Date
CN119894724A true CN119894724A (zh) 2025-04-25

Family

ID=90477241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380070037.9A Pending CN119894724A (zh) 2022-09-30 2023-09-01 车辆用前照灯

Country Status (4)

Country Link
EP (1) EP4596323A4 (https=)
JP (1) JPWO2024070503A1 (https=)
CN (1) CN119894724A (https=)
WO (1) WO2024070503A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026073676A1 (en) * 2024-10-02 2026-04-09 Ams-Osram International Gmbh Light emitting device, control unit, and adaptive driving beam headlights

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4694427B2 (ja) * 2006-07-05 2011-06-08 株式会社小糸製作所 車両用前照灯
JP4985651B2 (ja) * 2006-10-31 2012-07-25 富士通株式会社 光源制御装置、光源制御方法および光源制御プログラム
JP2011157022A (ja) * 2010-02-03 2011-08-18 Sharp Corp 前照灯および移動体
JP5887121B2 (ja) * 2011-12-07 2016-03-16 株式会社小糸製作所 車両用前照灯制御システムおよび車両用前照灯制御装置
FR3029144B1 (fr) * 2014-11-27 2016-12-09 Valeo Vision Systeme d'aide a la conduite d'un vehicule pour la reduction de contraste lumineux
JP6889588B2 (ja) * 2017-03-31 2021-06-18 株式会社小糸製作所 車両用灯具
KR101908308B1 (ko) * 2017-04-12 2018-10-16 엘지전자 주식회사 차량용 램프
JP6985082B2 (ja) * 2017-09-25 2021-12-22 スタンレー電気株式会社 車両用前照灯制御装置
CN110805876B (zh) * 2018-08-03 2022-03-15 株式会社小糸制作所 车辆用前照灯
JP7265306B2 (ja) * 2018-09-28 2023-04-26 株式会社小糸製作所 車両用前照灯
JP6640974B2 (ja) * 2018-12-17 2020-02-05 スタンレー電気株式会社 車両用灯具
JP7366070B2 (ja) * 2019-01-28 2023-10-20 株式会社小糸製作所 車両用灯具の制御装置、車両用灯具システムおよび車両用灯具の制御方法
CN113124375A (zh) * 2020-01-15 2021-07-16 华域视觉科技(上海)有限公司 车辆照明装置、车灯以及车辆
WO2021182151A1 (ja) 2020-03-10 2021-09-16 株式会社小糸製作所 車両用前照灯
WO2021200804A1 (ja) * 2020-03-31 2021-10-07 株式会社小糸製作所 車両用前照灯及び車両用前照灯システム
CN119967682A (zh) * 2020-06-09 2025-05-09 株式会社小糸制作所 车辆用灯具系统、配光控制器
JP7811204B2 (ja) * 2021-03-16 2026-02-04 株式会社小糸製作所 配光制御装置、車両用灯具システムおよび配光制御方法
US12409775B2 (en) * 2021-07-16 2025-09-09 Koito Manufacturing Co., Ltd. Vehicle headlamp having a lamp unit with a matrix of light emitting units emitting a plurality of irradiation spots and a boundary determination unit and control unit controlling the boundary illuminance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026073676A1 (en) * 2024-10-02 2026-04-09 Ams-Osram International Gmbh Light emitting device, control unit, and adaptive driving beam headlights

Also Published As

Publication number Publication date
EP4596323A1 (en) 2025-08-06
WO2024070503A1 (ja) 2024-04-04
JPWO2024070503A1 (https=) 2024-04-04
EP4596323A4 (en) 2025-11-19

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