EP4579124A4 - Scheinwerfer für fahrzeuge - Google Patents

Scheinwerfer für fahrzeuge

Info

Publication number
EP4579124A4
EP4579124A4 EP23857316.6A EP23857316A EP4579124A4 EP 4579124 A4 EP4579124 A4 EP 4579124A4 EP 23857316 A EP23857316 A EP 23857316A EP 4579124 A4 EP4579124 A4 EP 4579124A4
Authority
EP
European Patent Office
Prior art keywords
vehicle headlight
headlight
vehicle
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
EP23857316.6A
Other languages
English (en)
French (fr)
Other versions
EP4579124A1 (de
Inventor
Takaya Shimizu
Takahiko Honda
Ryosuke Fukui
Yuta TSUYUKI
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 EP4579124A1 publication Critical patent/EP4579124A1/de
Publication of EP4579124A4 publication Critical patent/EP4579124A4/de
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]
    • F21S41/147—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
    • F21S41/26—Elongated 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
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • 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
    • 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
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/19—Arrangement or contour of the emitted light for regions other than high beam or low beam for curves

Landscapes

  • 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)
EP23857316.6A 2022-08-22 2023-08-21 Scheinwerfer für fahrzeuge Pending EP4579124A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022131962 2022-08-22
JP2022135098 2022-08-26
PCT/JP2023/029974 WO2024043205A1 (ja) 2022-08-22 2023-08-21 車両用前照灯

Publications (2)

Publication Number Publication Date
EP4579124A1 EP4579124A1 (de) 2025-07-02
EP4579124A4 true EP4579124A4 (de) 2025-11-26

Family

ID=90013328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23857316.6A Pending EP4579124A4 (de) 2022-08-22 2023-08-21 Scheinwerfer für fahrzeuge

Country Status (4)

Country Link
EP (1) EP4579124A4 (de)
JP (1) JPWO2024043205A1 (de)
CN (1) CN119923541A (de)
WO (1) WO2024043205A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007234562A (ja) * 2006-03-03 2007-09-13 Koito Mfg Co Ltd 車両用前照灯の灯具ユニット
DE102012211613A1 (de) * 2012-07-04 2014-01-09 Automotive Lighting Reutlingen Gmbh Lichtmodul
JP2014102903A (ja) * 2012-11-16 2014-06-05 Ichikoh Ind Ltd 車両用灯具
EP4549814A1 (de) * 2022-06-28 2025-05-07 Koito Manufacturing Co., Ltd. Fahrzeugleuchte

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4115921B2 (ja) 2003-11-04 2008-07-09 株式会社小糸製作所 車両用前照灯
JP5087500B2 (ja) * 2008-08-27 2012-12-05 株式会社小糸製作所 車両用灯具ユニット
JP6005415B2 (ja) 2012-06-22 2016-10-12 株式会社小糸製作所 車両用コーナリングランプ
CN206352795U (zh) * 2016-11-30 2017-07-25 武汉通畅汽车电子照明有限公司 主光灯集成辅助灯模组以及汽车前照灯
JP2018142457A (ja) * 2017-02-28 2018-09-13 株式会社小糸製作所 車両用灯具
JPWO2019124188A1 (ja) * 2017-12-19 2020-12-10 株式会社小糸製作所 車両用前照灯
JP2022028514A (ja) * 2020-08-03 2022-02-16 市光工業株式会社 車両用前照灯

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007234562A (ja) * 2006-03-03 2007-09-13 Koito Mfg Co Ltd 車両用前照灯の灯具ユニット
DE102012211613A1 (de) * 2012-07-04 2014-01-09 Automotive Lighting Reutlingen Gmbh Lichtmodul
JP2014102903A (ja) * 2012-11-16 2014-06-05 Ichikoh Ind Ltd 車両用灯具
EP4549814A1 (de) * 2022-06-28 2025-05-07 Koito Manufacturing Co., Ltd. Fahrzeugleuchte

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024043205A1 *

Also Published As

Publication number Publication date
WO2024043205A1 (ja) 2024-02-29
JPWO2024043205A1 (de) 2024-02-29
EP4579124A1 (de) 2025-07-02
CN119923541A (zh) 2025-05-02

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RIC1 Information provided on ipc code assigned before grant

Ipc: F21S 41/25 20180101AFI20251022BHEP

Ipc: F21S 41/143 20180101ALI20251022BHEP

Ipc: F21S 41/147 20180101ALI20251022BHEP

Ipc: F21S 41/148 20180101ALI20251022BHEP

Ipc: F21S 41/151 20180101ALI20251022BHEP

Ipc: F21S 41/30 20180101ALI20251022BHEP

Ipc: F21S 41/40 20180101ALI20251022BHEP

Ipc: F21W 102/155 20180101ALI20251022BHEP

Ipc: F21W 102/17 20180101ALI20251022BHEP

Ipc: F21W 102/19 20180101ALI20251022BHEP

Ipc: F21Y 115/10 20160101ALI20251022BHEP

Ipc: B60Q 1/00 20060101ALI20251022BHEP

Ipc: F21S 41/26 20180101ALI20251022BHEP