JP2022521121A - ヘッドランプ用光学素子、ヘッドランプモジュール、車ライト、及び車両 - Google Patents
ヘッドランプ用光学素子、ヘッドランプモジュール、車ライト、及び車両 Download PDFInfo
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
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- F21S41/141—Light emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S41/29—Attachment thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
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- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
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- 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
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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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
本願は2020年1月20に提出された中国特許出願202020137908.8の権益を主張し、該出願の内容は引用により本明細書に組み込まれている。
2 レンズ
3 接続板
4 光源
11 集光部
12 出光部
13 反射部
14 IIIゾーンパターン形成構造
15 ロービームカットオフライン構造
16 50L暗領域形成構造
17 ハイビームカットオフライン構造
21 光軸
51 ロービーム明暗カットオフライン
52 ハイビーム明暗カットオフライン
53 IIIゾーン
54 50L領域。
111 フロント入光面
112 サイド入光面
113 外部輪郭面
Claims (10)
- ヘッドランプ用光学素子であって、光線の出射方向に順次接続された集光部(11)、出光部(12)、及び反射部(13)を含み、
前記反射部(13)は、一端が前記出光部(12)の下部に接続され、ロービーム明暗カットオフライン(51)を形成するロービームカットオフライン構造(15)が他端に設けられ、又は、
前記反射部(13)は、一端が前記出光部(12)の上部に接続され、ハイビーム明暗カットオフライン(52)を形成するハイビームカットオフライン構造(17)が他端に設けられ、
前記ロービームカットオフライン構造(15)は前記反射部(13)の反射面の前縁部に設けられ、前記集光部(11)は集光カップ構造であり、前記反射部(13)から離れた一端にキャビティが開けられ、前記キャビティはフロント入光面(111)とサイド入光面(112)を含み、前記フロント入光面(111)は、前記反射部(13)から離れた側へ突出している曲面であり、前記サイド入光面(112)は、前記反射部(13)から離れた一端から前記反射部(13)に接近する一端に向かうにしたがって周長が徐々に小さくなる曲面であり、前記集光部(11)の外部輪郭面(113)は前記反射部(13)から離れた一端から前記反射部(13)に接近する一端に向かうにしたがって周長が徐々に大きくなる曲面であり、且つ、前記集光部(11)の下部にIIIゾーンパターン形成構造(14)が設けられ、前記集光部(11)により集光される光線の一部は、前記IIIゾーンパターン形成構造(14)から出射されて前記反射部(13)の下方を経て出射されて、ロービームのIIIゾーン(53)パターンを形成する、ことを特徴とするヘッドランプ用光学素子。 - 前記ロービームカットオフライン構造(15)を有する前記反射部(13)の反射面に50L暗領域形成構造(16)が形成され、前記出光部(12)から前記50L暗領域形成構造(16)へ放射される光線は、前記50L暗領域形成構造(16)によって反射・屈折され、ロービームの50L領域(54)の輝度を低下させる、ことを特徴とする請求項1に記載のヘッドランプ用光学素子。
- 前記反射部(13)の前記集光部(11)から離れた一端の端面は、曲率が連続的で且つスムーズな凹面弧状曲面である、ことを特徴とする請求項1又は2に記載のヘッドランプ用光学素子。
- 前記集光部(11)の数は2つ以上である、ことを特徴とする請求項1又は2に記載のヘッドランプ用光学素子。
- 前記反射部(13)の反射面には増反射層が設けられている、ことを特徴とする請求項1又は2に記載のヘッドランプ用光学素子。
- ヘッドランプモジュールであって、
請求項1~5のいずれか1項に記載のヘッドランプ用光学素子(1)と、レンズ(2)とを含み、前記ヘッドランプ用光学素子(1)と前記レンズ(2)は分離式構造であり、前記レンズ(2)は前記ヘッドランプ用光学素子(1)の光線出射方向に設けられ、又は、前記ヘッドランプ用光学素子(1)と前記レンズ(2)は一体式構造であり、前記レンズ(2)と前記ヘッドランプ用光学素子(1)は接続板(3)によって接続される、ことを特徴とするヘッドランプモジュール。 - 前記ロービームカットオフライン構造(15)又は前記ハイビームカットオフライン構造(17)は前記レンズ(2)の光軸(21)の10mm上側~10mm下側の領域内にある、ことを特徴とする請求項6に記載のヘッドランプモジュール。
- 前記レンズ(2)は凸レンズ又はフレネルレンズ構造である、ことを特徴とする請求項6に記載のヘッドランプモジュール。
- 請求項6~8のいずれか1項に記載のヘッドランプモジュールを含む、ことを特徴とする車ライト。
- 請求項9に記載の車ライトを含む、ことを特徴とする車両。
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CN202020137908.8 | 2020-01-20 | ||
CN202020137908.8U CN211694701U (zh) | 2020-01-20 | 2020-01-20 | 前照灯光学元件、前照灯模组、车灯及车辆 |
PCT/CN2021/071515 WO2021147732A1 (zh) | 2020-01-20 | 2021-01-13 | 前照灯光学元件、前照灯模组、车灯及车辆 |
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EP (1) | EP3882514B1 (ja) |
JP (1) | JP7258149B2 (ja) |
KR (1) | KR102610227B1 (ja) |
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CN211289915U (zh) * | 2019-11-14 | 2020-08-18 | 沈阳法雷奥车灯有限公司 | 用于车辆的灯具和车辆 |
CN211875915U (zh) | 2020-01-20 | 2020-11-06 | 华域视觉科技(上海)有限公司 | 遮光板、近光光学模组、近光照明模组、车灯及车辆 |
CN211694701U (zh) | 2020-01-20 | 2020-10-16 | 华域视觉科技(上海)有限公司 | 前照灯光学元件、前照灯模组、车灯及车辆 |
CN113137585A (zh) | 2020-01-20 | 2021-07-20 | 华域视觉科技(上海)有限公司 | 前照灯光学元件、车灯模组、车灯及车辆 |
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EP3333477A1 (en) * | 2014-05-23 | 2018-06-13 | Stanley Electric Co., Ltd. | Lens body, vehicle lighting feature |
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2020
- 2020-01-20 CN CN202020137908.8U patent/CN211694701U/zh active Active
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2021
- 2021-01-13 US US17/416,027 patent/US11745639B2/en active Active
- 2021-01-13 JP JP2021535826A patent/JP7258149B2/ja active Active
- 2021-01-13 EP EP21730789.1A patent/EP3882514B1/en active Active
- 2021-01-13 WO PCT/CN2021/071515 patent/WO2021147732A1/zh unknown
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US20140321143A1 (en) * | 2013-04-29 | 2014-10-30 | Automotive Lighting Reutlingen Gmbh | Light module for a motor vehicle headlamp |
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EP3882514B1 (en) | 2024-03-27 |
CN211694701U (zh) | 2020-10-16 |
EP3882514A4 (en) | 2022-04-06 |
US20220324374A1 (en) | 2022-10-13 |
US11745639B2 (en) | 2023-09-05 |
JP7258149B2 (ja) | 2023-04-14 |
WO2021147732A1 (zh) | 2021-07-29 |
KR20210096126A (ko) | 2021-08-04 |
KR102610227B1 (ko) | 2023-12-04 |
EP3882514A1 (en) | 2021-09-22 |
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