JP2021195014A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2021195014A JP2021195014A JP2020102869A JP2020102869A JP2021195014A JP 2021195014 A JP2021195014 A JP 2021195014A JP 2020102869 A JP2020102869 A JP 2020102869A JP 2020102869 A JP2020102869 A JP 2020102869A JP 2021195014 A JP2021195014 A JP 2021195014A
- Authority
- JP
- Japan
- Prior art keywords
- low beam
- vehicle
- light
- unit
- high beam
- 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.)
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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
- B60Q1/02—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
-
- 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
-
- 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
- B60Q1/0029—Spatial arrangement
- B60Q1/0041—Spatial arrangement of several lamps in relation to each other
-
- 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
-
- 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
- F21S41/60—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
-
- 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
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
Abstract
Description
Claims (7)
- 車両の前方へ光照射を行うための車両用灯具であって、
第1ロービームを形成するための光を生成する第1ユニットと、
ハイビーム並びに第2ロービームの各々を形成するための光を生成する第2ユニットと、
を含み、
前記ハイビームは、その下端側の一部分が前記第1ロービームの上端側の一部領域と重なり、かつ当該下端側の一部分以外の部分が前記第1ロービームとは重ならずに当該第1ロービームよりも相対的に上方に形成されるものであり、
前記第2ロービームは、その上端側の一部分が前記第1ロービームの下端側の一部領域と重なり、かつ当該上端側の一部分以外の部分が前記第1ロービームとは重ならずに当該第1ロービームよりも相対的に下方に形成されるものであるか、あるいは全てが前記第1ロービームと重なるものである、
車両用灯具。 - 前記ハイビームと前記第2ロービームは、互いに重ならずに形成される、
請求項1に記載の車両用灯具。 - 前記第2ロービームは、前記ハイビームよりも狭い幅で形成される、
請求項1又は2に記載の車両用灯具。 - 前記第2ロービームは、少なくとも、前記車両の前方の路面上において当該車両の前後方向に沿って当該車両から5m〜15mの範囲かつ当該車両の左右方向に3.5mの範囲の全体に形成される、
請求項1〜3の何れか1項に記載の車両用灯具。 - 前記第2ユニットは、前記ハイビームと前記第2ロービームの各々を個別に形成可能であり、
前記ハイビームの形成時と非形成時のいずれにおいても、前記第1ユニットによる前記ロービームの形成と前記第2ユニットによる前記第2ロービームの形成が行われる、
請求項1〜4の何れか1項に記載の車両用灯具。 - 前記第1ユニットと前記第2ユニットとが、前記車両の前部において当該車両の左右方向に沿って隣り合って配置される、
請求項1〜5の何れか1項に記載の車両用灯具。 - 前記第2ユニットは、同一基板に搭載された複数の発光素子を含み、
前記複数の発光素子は、前記ハイビームの照射に用いられる1又は複数の第1発光素子と、前記第2ロービームの照射に用いられる1又は複数の第2発光素子とを含み、
前記第2発光素子は、平面視で、前記第1発光素子を基準にして相対的に前記車両の左右方向に沿ってずれた位置に配置されている、
請求項1〜7の何れか1項に記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020102869A JP7177802B2 (ja) | 2020-06-15 | 2020-06-15 | 車両用灯具 |
CN202110626001.7A CN113799688A (zh) | 2020-06-15 | 2021-06-04 | 车辆用灯具 |
US17/303,979 US11414007B2 (en) | 2020-06-15 | 2021-06-11 | Vehicle headlight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020102869A JP7177802B2 (ja) | 2020-06-15 | 2020-06-15 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021195014A true JP2021195014A (ja) | 2021-12-27 |
JP7177802B2 JP7177802B2 (ja) | 2022-11-24 |
Family
ID=78824339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020102869A Active JP7177802B2 (ja) | 2020-06-15 | 2020-06-15 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11414007B2 (ja) |
JP (1) | JP7177802B2 (ja) |
CN (1) | CN113799688A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7221319B2 (ja) * | 2021-03-03 | 2023-02-13 | 本田技研工業株式会社 | ヘッドライト制御システム |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0487540U (ja) * | 1990-12-10 | 1992-07-29 | ||
JP2004158294A (ja) * | 2002-11-06 | 2004-06-03 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2007134052A (ja) * | 2005-11-08 | 2007-05-31 | Koito Mfg Co Ltd | 車両用照明装置 |
JP2012164515A (ja) * | 2011-02-07 | 2012-08-30 | Koito Mfg Co Ltd | 光学ユニットおよび車両用灯具 |
JP2019077348A (ja) * | 2017-10-25 | 2019-05-23 | トヨタ自動車株式会社 | 車両用前照灯装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6340719B2 (ja) * | 2014-05-09 | 2018-06-13 | パナソニックIpマネジメント株式会社 | 照明装置及び照明装置を備える自動車 |
JP6250601B2 (ja) * | 2015-07-31 | 2017-12-20 | 株式会社小糸製作所 | 車両灯具システム |
JP6760792B2 (ja) | 2016-08-01 | 2020-09-23 | 株式会社小糸製作所 | 車両用前照灯 |
JP6889588B2 (ja) | 2017-03-31 | 2021-06-18 | 株式会社小糸製作所 | 車両用灯具 |
JP7042616B2 (ja) * | 2017-12-28 | 2022-03-28 | スタンレー電気株式会社 | 車両用灯具 |
JP7081261B2 (ja) | 2018-03-28 | 2022-06-07 | 市光工業株式会社 | 車両用灯具 |
-
2020
- 2020-06-15 JP JP2020102869A patent/JP7177802B2/ja active Active
-
2021
- 2021-06-04 CN CN202110626001.7A patent/CN113799688A/zh active Pending
- 2021-06-11 US US17/303,979 patent/US11414007B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0487540U (ja) * | 1990-12-10 | 1992-07-29 | ||
JP2004158294A (ja) * | 2002-11-06 | 2004-06-03 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2007134052A (ja) * | 2005-11-08 | 2007-05-31 | Koito Mfg Co Ltd | 車両用照明装置 |
JP2012164515A (ja) * | 2011-02-07 | 2012-08-30 | Koito Mfg Co Ltd | 光学ユニットおよび車両用灯具 |
JP2019077348A (ja) * | 2017-10-25 | 2019-05-23 | 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 |
---|---|
US11414007B2 (en) | 2022-08-16 |
JP7177802B2 (ja) | 2022-11-24 |
CN113799688A (zh) | 2021-12-17 |
US20210387566A1 (en) | 2021-12-16 |
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