JP7495932B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP7495932B2 JP7495932B2 JP2021530708A JP2021530708A JP7495932B2 JP 7495932 B2 JP7495932 B2 JP 7495932B2 JP 2021530708 A JP2021530708 A JP 2021530708A JP 2021530708 A JP2021530708 A JP 2021530708A JP 7495932 B2 JP7495932 B2 JP 7495932B2
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- JP
- Japan
- Prior art keywords
- light
- distribution pattern
- light distribution
- pattern forming
- reflecting
- 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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- 238000009792 diffusion process Methods 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
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]
-
- 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
-
- 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
-
- 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
- F21S41/255—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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by 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
- 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
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- 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
- F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
-
- 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
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (6)
- 光源と、
二次元配列され傾倒状態を個別に切り替え可能な複数の反射素子を含み、入射する光を前記複数の反射素子で反射して前記複数の反射素子の傾倒状態に応じる配光パターンを有する光を出射する配光パターン形成部と、
前記光源から出射する光の一部を前記配光パターン形成部に導光する導光部材と、
前記光源から出射する光のうち前記導光部材に入射しない光の少なくとも一部を特定の配光パターンとなるように反射するリフレクタユニットと、
を備える
ことを特徴とする車両用灯具。 - 前記リフレクタユニットは、前記光源から出射する光のうち前記導光部材に入射しない光の少なくとも一部を反射する第1反射部と、前記第1反射部で反射する光を前記特定の配光パターンとなるように反射する第2反射部と、を有する
ことを特徴とする請求項1に記載の車両用灯具。 - 前記配光パターン形成部の光を出射する出射面と平行な所定の方向において、前記第1反射部は前記配光パターン形成部よりも前記光源側と反対側に位置し、前記第2反射部は前記第1反射部よりも前記配光パターン形成部側かつ前記配光パターン形成部よりも前記第1反射部側に位置する
ことを特徴とする請求項2に記載の車両用灯具。 - 前記配光パターン形成部から出射する光、及び前記リフレクタユニットで反射した光が透過する投影レンズを更に備え、
前記第2反射部は、前記配光パターン形成部の光を出射する出射面を含む基準面と交わる
ことを特徴とする請求項2または3に記載の車両用灯具。 - 前記配光パターン形成部から出射する光、及び前記リフレクタユニットで反射した光が透過する投影レンズを更に備え、
前記投影レンズの入射面における前記配光パターン形成部から出射する光が入射する第1入射領域と、前記リフレクタユニットで反射した光が入射する第2入射領域とが互いに重ならない
ことを特徴とする請求項1から4のいずれか1項に記載の車両用灯具。 - 前記配光パターン形成部から出射する光、及び前記リフレクタユニットで反射した光が透過する投影レンズを更に備え、
前記導光部材は、反射面を有するリフレクタとされ、前記投影レンズと前記光源との間の領域全体を横切る
ことを特徴とする請求項1から5のいずれか1項に記載の車両用灯具。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019127256 | 2019-07-08 | ||
JP2019127256 | 2019-07-08 | ||
PCT/JP2020/026605 WO2021006281A1 (ja) | 2019-07-08 | 2020-07-07 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021006281A1 JPWO2021006281A1 (ja) | 2021-01-14 |
JP7495932B2 true JP7495932B2 (ja) | 2024-06-05 |
Family
ID=74006436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021530708A Active JP7495932B2 (ja) | 2019-07-08 | 2020-07-07 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP7495932B2 (ja) |
CN (2) | CN112197240B (ja) |
WO (1) | WO2021006281A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021190344A (ja) * | 2020-06-01 | 2021-12-13 | 株式会社小糸製作所 | 車両用灯具 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006172840A (ja) | 2004-12-15 | 2006-06-29 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2006190579A (ja) | 2005-01-07 | 2006-07-20 | Stanley Electric Co Ltd | 車両用灯具 |
JP2008034182A (ja) | 2006-07-27 | 2008-02-14 | Ichikoh Ind Ltd | 車両用前照灯 |
JP2015123855A (ja) | 2013-12-26 | 2015-07-06 | 株式会社小糸製作所 | 車両用灯具 |
JP2015144059A (ja) | 2014-01-31 | 2015-08-06 | 株式会社小糸製作所 | 車両用前照灯 |
JP2016162589A (ja) | 2015-03-02 | 2016-09-05 | 株式会社小糸製作所 | 車両用灯具 |
JP2017054608A (ja) | 2015-09-07 | 2017-03-16 | トヨタ自動車株式会社 | 車両用灯具 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202938188U (zh) * | 2012-10-14 | 2013-05-15 | 重庆雷本光电科技有限公司 | 一种led车灯 |
JP6317087B2 (ja) * | 2013-10-11 | 2018-04-25 | 株式会社小糸製作所 | 車両用灯具 |
JP6416736B2 (ja) * | 2015-11-12 | 2018-10-31 | トヨタ自動車株式会社 | 車両用前照灯 |
JP2017208208A (ja) * | 2016-05-17 | 2017-11-24 | 株式会社小糸製作所 | 灯具 |
US10309606B2 (en) * | 2016-05-27 | 2019-06-04 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
-
2020
- 2020-07-07 WO PCT/JP2020/026605 patent/WO2021006281A1/ja active Application Filing
- 2020-07-07 JP JP2021530708A patent/JP7495932B2/ja active Active
- 2020-07-08 CN CN202010653904.XA patent/CN112197240B/zh active Active
- 2020-07-08 CN CN202021331819.3U patent/CN212657653U/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006172840A (ja) | 2004-12-15 | 2006-06-29 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2006190579A (ja) | 2005-01-07 | 2006-07-20 | Stanley Electric Co Ltd | 車両用灯具 |
JP2008034182A (ja) | 2006-07-27 | 2008-02-14 | Ichikoh Ind Ltd | 車両用前照灯 |
JP2015123855A (ja) | 2013-12-26 | 2015-07-06 | 株式会社小糸製作所 | 車両用灯具 |
JP2015144059A (ja) | 2014-01-31 | 2015-08-06 | 株式会社小糸製作所 | 車両用前照灯 |
JP2016162589A (ja) | 2015-03-02 | 2016-09-05 | 株式会社小糸製作所 | 車両用灯具 |
JP2017054608A (ja) | 2015-09-07 | 2017-03-16 | トヨタ自動車株式会社 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
CN212657653U (zh) | 2021-03-05 |
CN112197240B (zh) | 2023-06-13 |
WO2021006281A1 (ja) | 2021-01-14 |
JPWO2021006281A1 (ja) | 2021-01-14 |
CN112197240A (zh) | 2021-01-08 |
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