JP2022143872A - 車両用前照灯装置 - Google Patents
車両用前照灯装置 Download PDFInfo
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- JP2022143872A JP2022143872A JP2021044623A JP2021044623A JP2022143872A JP 2022143872 A JP2022143872 A JP 2022143872A JP 2021044623 A JP2021044623 A JP 2021044623A JP 2021044623 A JP2021044623 A JP 2021044623A JP 2022143872 A JP2022143872 A JP 2022143872A
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- 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
-
- 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
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- 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
-
- 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
-
- 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
-
- 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]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- 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
- F21S41/40—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
-
- 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
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/45—Special conditions, e.g. pedestrians, road signs or potential dangers
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- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
【解決手段】明領域と暗領域が交互に繰り返される第1の照射パターンP1で且つ第1の拡大倍率m1で光源11からの光を照射する第1の光照射部4と、全域が明領域である第2の照射パターンP2で且つ第2の拡大倍率m2で光源11aからの光を照射する第2の光照射部(ロービーム照射部5および/またはハイビーム照射部6)と、を有し、第1の光照射部4の照射光の指向性は第2の光照射部(ロービーム照射部5および/またはハイビーム照射部6)の照射光の指向性と重なり、且つ、第1の拡大倍率m1は第2の拡大倍率m2よりも小さい、車両用前照灯装置1。
【選択図】図2
Description
P2…第2の照射パターン
1…車両用前照灯装置
2…車両
3…ターンシグナル灯
4…第1の光照射部
5…ロービーム照射部(第2の光照射部)
6…ハイビーム照射部(第2の光照射部)
7…前方視野
8…近距離の視野
9…遠距離の視野
10…歩行者
11…面発光光源
12…遮光マスク
13…レンズ
14…スリット
15…明領域
16…暗領域
Claims (8)
- 明領域と暗領域が交互に繰り返される第1の照射パターンで且つ第1の拡大倍率で光源からの光を照射する第1の光照射部と、
全域が明領域である第2の照射パターンで且つ第2の拡大倍率で光源からの光を照射する第2の光照射部と、を有し、
前記第1の光照射部の照射光の指向性は前記第2の光照射部の照射光の指向性と重なり、且つ、前記第1の拡大倍率は前記第2の拡大倍率よりも小さい、
車両用前照灯装置。 - 前記第1の照射パターンは、前記明領域と前記暗領域とが平行に並んだストライプパターンである請求項1に記載の車両用前照灯装置。
- 前記第1の照射パターンは、前記暗領域に格子状の前記明領域が形成された格子状パターンである請求項1に記載の車両用前照灯装置。
- 前記第1の照射パターンは、矩形の前記明領域と矩形の前記暗領域とが市松状に配列された市松パターンである請求項1に記載の車両用前照灯装置。
- 前記第1の照射パターンは、菱形の前記明領域と菱形の前記暗領域とが市松状に配列された菱形市松パターンである請求項1に記載の車両用前照灯装置。
- 前記第1の光照射部は、前記第1の照射パターンに対応するマイクロミラー群を含むDMDを有する請求項1に記載の車両用前照灯装置。
- 前記第1の光照射部は、所定の面発光光源と、前記第1の照射パターンに対応するパターンを有する遮光マスクとを有する請求項1に記載の車両用前照灯装置。
- 前記第2の光照射部は、自車両の、ロービーム照射部および/またはハイビーム照射部である請求項1に記載の車両用前照灯装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021044623A JP7252999B2 (ja) | 2021-03-18 | 2021-03-18 | 車両用前照灯装置 |
US17/680,318 US20220299181A1 (en) | 2021-03-18 | 2022-02-25 | Vehicle headlight device |
CN202210183962.XA CN115107629A (zh) | 2021-03-18 | 2022-02-28 | 车辆用前照灯装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021044623A JP7252999B2 (ja) | 2021-03-18 | 2021-03-18 | 車両用前照灯装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022143872A true JP2022143872A (ja) | 2022-10-03 |
JP7252999B2 JP7252999B2 (ja) | 2023-04-05 |
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JP2021044623A Active JP7252999B2 (ja) | 2021-03-18 | 2021-03-18 | 車両用前照灯装置 |
Country Status (3)
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US (1) | US20220299181A1 (ja) |
JP (1) | JP7252999B2 (ja) |
CN (1) | CN115107629A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018034758A (ja) * | 2016-09-02 | 2018-03-08 | 株式会社小糸製作所 | 車両用灯具システム |
JP2020194722A (ja) * | 2019-05-29 | 2020-12-03 | 株式会社小糸製作所 | 車両用灯具 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5532310B2 (ja) * | 2010-03-25 | 2014-06-25 | スタンレー電気株式会社 | 車両用灯具 |
-
2021
- 2021-03-18 JP JP2021044623A patent/JP7252999B2/ja active Active
-
2022
- 2022-02-25 US US17/680,318 patent/US20220299181A1/en not_active Abandoned
- 2022-02-28 CN CN202210183962.XA patent/CN115107629A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018034758A (ja) * | 2016-09-02 | 2018-03-08 | 株式会社小糸製作所 | 車両用灯具システム |
JP2020194722A (ja) * | 2019-05-29 | 2020-12-03 | 株式会社小糸製作所 | 車両用灯具 |
Also Published As
Publication number | Publication date |
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US20220299181A1 (en) | 2022-09-22 |
JP7252999B2 (ja) | 2023-04-05 |
CN115107629A (zh) | 2022-09-27 |
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