JP2018195447A - 光学ユニット - Google Patents
光学ユニット Download PDFInfo
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- JP2018195447A JP2018195447A JP2017098227A JP2017098227A JP2018195447A JP 2018195447 A JP2018195447 A JP 2018195447A JP 2017098227 A JP2017098227 A JP 2017098227A JP 2017098227 A JP2017098227 A JP 2017098227A JP 2018195447 A JP2018195447 A JP 2018195447A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 51
- 230000001678 irradiating effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 14
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
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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
-
- 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
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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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
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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
- 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
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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
- F21S41/141—Light emitting diodes [LED]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
-
- 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
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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
- F21S41/60—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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
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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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
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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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0977—Reflective elements
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- 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
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- 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
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
(車両用前照灯)
図1は、本実施の形態に係る車両用前照灯の水平断面図である。図2は、本実施の形態に係る車両用前照灯の正面図である。なお、図2においては、一部の部品を省略してある。
第1の実施の形態に係る車両用前照灯10においては、回転リフレクタ22のブレード22aの形状が、回転軸Rを中心とする周方向に向かうにつれて、光軸Axと反射面とが成す角が変化するように捩られた形状を有している。一方、第3の実施の形態に係る車両用前照灯10においては、回転リフレクタとしてポリゴンミラーを用いており、それ以外は第1の実施の形態と実質的な違いはない。したがって、以下の説明においては、回転リフレクタについて詳述し、第1の実施の形態と同じ構成については同じ符号を付して説明を適宜省略する。
Claims (6)
- 光源と、
光源から出射した光を反射しながら回転軸を中心に一方向に回転する回転リフレクタと、を備え、
前記回転リフレクタは、
回転しながら反射した光源の光を走査することで所望の配光パターンを形成するように反射面が設けられており、
前記光源は、
主として水平線より下方の範囲を照射する第1の配光パターンを形成する際に点灯する第1の発光部と、
少なくとも水平線より上方の範囲を照射する第2の配光パターンを形成する際に点灯する第2の発光部と、を有することを特徴とする光学ユニット。 - 前記光源は、前記第1の配光パターンを形成する際に水平線近傍の自車線側カットオフラインを構成する光を発する第3の発光部を更に有し、
前記第3の発光部は、前記第1の発光部と前記第2の発光部との間の領域に配置されていることを特徴とする請求項1に記載の光学ユニット。 - 前記第1の発光部は、複数の第1の発光素子が所定方向に沿ってジグザグに配置されており、
前記第1の発光素子は、矩形の発光面を有し、該矩形の一辺が前記所定方向に沿うように配置されており、
前記第2の発光部は、複数の第2の発光素子が前記所定方向に沿ってジグザグに配置されており、
前記第2の発光素子は、矩形の発光面を有し、該矩形の一辺が前記所定方向に沿うように配置されており、
前記第3の発光部は、前記第1の発光素子と前記第2の発光素子の間に配置された第3の発光素子を有し、該第3の発光素子の矩形の発光面の一辺が前記所定方向に沿うように配置されていることを特徴とする請求項2に記載の光学ユニット。 - 前記第1の配光パターンを形成する際の前記第3の発光部の点灯時間が前記第1の発光部の点灯時間よりも短くなるように、前記光源の点灯状態を制御する制御部を更に備えることを特徴とする請求項2または3に記載の光学ユニット。
- 前記第1の発光部は、前記第2の配光パターンを形成する際に点灯することを特徴とする請求項1乃至4のいずれか1項に記載の光学ユニット。
- 前記回転リフレクタで反射された光を光学ユニットの光照射方向に投影する投影レンズを更に備えることを特徴とする請求項1乃至5のいずれか1項に記載の光学ユニット。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017098227A JP6905862B2 (ja) | 2017-05-17 | 2017-05-17 | 光学ユニット |
CN201810424657.9A CN108954206B (zh) | 2017-05-17 | 2018-05-07 | 光学单元 |
CN201820665464.8U CN208735535U (zh) | 2017-05-17 | 2018-05-07 | 光学单元 |
US15/975,120 US10670216B2 (en) | 2017-05-17 | 2018-05-09 | Vehicle lamp including rotary reflector |
DE102018207482.8A DE102018207482B4 (de) | 2017-05-17 | 2018-05-15 | Optische einheit für fahrzeugscheinwerfer |
FR1854085A FR3066449B1 (fr) | 2017-05-17 | 2018-05-16 | Unite optique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017098227A JP6905862B2 (ja) | 2017-05-17 | 2017-05-17 | 光学ユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018195447A true JP2018195447A (ja) | 2018-12-06 |
JP6905862B2 JP6905862B2 (ja) | 2021-07-21 |
Family
ID=64203804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017098227A Active JP6905862B2 (ja) | 2017-05-17 | 2017-05-17 | 光学ユニット |
Country Status (5)
Country | Link |
---|---|
US (1) | US10670216B2 (ja) |
JP (1) | JP6905862B2 (ja) |
CN (2) | CN208735535U (ja) |
DE (1) | DE102018207482B4 (ja) |
FR (1) | FR3066449B1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020152193A (ja) * | 2019-03-19 | 2020-09-24 | 株式会社小糸製作所 | 車両用監視システム |
JPWO2020137636A1 (ja) * | 2018-12-25 | 2021-11-04 | 株式会社小糸製作所 | 光学ユニット |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6905862B2 (ja) * | 2017-05-17 | 2021-07-21 | 株式会社小糸製作所 | 光学ユニット |
JP7081917B2 (ja) * | 2017-11-22 | 2022-06-07 | 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 |
WO2020051297A1 (en) * | 2018-09-05 | 2020-03-12 | Flex-N-Gate Advanced Product Development, Llc | Adaptive beam scanning headlamp |
WO2020067213A1 (ja) * | 2018-09-28 | 2020-04-02 | 市光工業株式会社 | 車両用灯具 |
EP3869092A4 (en) * | 2018-10-19 | 2021-12-15 | Koito Manufacturing Co., Ltd. | METHOD OF MANUFACTURING A ROTATING REFLECTOR AND ROTATING REFLECTOR |
DE102019108233A1 (de) * | 2019-03-29 | 2020-10-01 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für einen Kraftfahrzeugscheinwerfer mit n in einer Reihe nebeneinander angeordneten Teillichtmodulen |
US11674658B2 (en) * | 2019-05-22 | 2023-06-13 | Koito Manufacturing Co., Ltd. | Headlamp for vehicle |
JP7250621B2 (ja) | 2019-05-31 | 2023-04-03 | 株式会社小糸製作所 | 車両用灯具 |
CN112325237A (zh) * | 2020-10-22 | 2021-02-05 | 段华 | 一种夜间标识的汽车激光灯系统 |
Citations (1)
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IT1171424B (it) * | 1981-07-29 | 1987-06-10 | Sacex Srl | Faro inkorporante un dispositivo per la dispersione del calore della sorgente luminosa |
KR980011250A (ko) * | 1996-07-31 | 1998-04-30 | 배순훈 | 컴팩트디스크체인저의 디스크회전위치 제어방법 |
JP2001325817A (ja) * | 2000-05-15 | 2001-11-22 | Koito Mfg Co Ltd | 車両用前照灯 |
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JP2007213877A (ja) * | 2006-02-08 | 2007-08-23 | Koito Mfg Co Ltd | 車両用前照灯 |
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JP6106502B2 (ja) * | 2013-04-15 | 2017-04-05 | 株式会社小糸製作所 | 車輌用灯具 |
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JP6905862B2 (ja) * | 2017-05-17 | 2021-07-21 | 株式会社小糸製作所 | 光学ユニット |
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2017
- 2017-05-17 JP JP2017098227A patent/JP6905862B2/ja active Active
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2018
- 2018-05-07 CN CN201820665464.8U patent/CN208735535U/zh active Active
- 2018-05-07 CN CN201810424657.9A patent/CN108954206B/zh active Active
- 2018-05-09 US US15/975,120 patent/US10670216B2/en not_active Expired - Fee Related
- 2018-05-15 DE DE102018207482.8A patent/DE102018207482B4/de active Active
- 2018-05-16 FR FR1854085A patent/FR3066449B1/fr active Active
Patent Citations (1)
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JP2014216049A (ja) * | 2013-04-22 | 2014-11-17 | 株式会社小糸製作所 | 車両用灯具 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2020137636A1 (ja) * | 2018-12-25 | 2021-11-04 | 株式会社小糸製作所 | 光学ユニット |
JP7454508B2 (ja) | 2018-12-25 | 2024-03-22 | 株式会社小糸製作所 | 光学ユニット |
JP2020152193A (ja) * | 2019-03-19 | 2020-09-24 | 株式会社小糸製作所 | 車両用監視システム |
JP7204551B2 (ja) | 2019-03-19 | 2023-01-16 | 株式会社小糸製作所 | 車両用監視システム |
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JP6905862B2 (ja) | 2021-07-21 |
FR3066449B1 (fr) | 2021-09-17 |
CN208735535U (zh) | 2019-04-12 |
CN108954206B (zh) | 2021-08-10 |
DE102018207482A1 (de) | 2018-11-22 |
US20180335192A1 (en) | 2018-11-22 |
FR3066449A1 (fr) | 2018-11-23 |
US10670216B2 (en) | 2020-06-02 |
CN108954206A (zh) | 2018-12-07 |
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