JP6331797B2 - 車載用光源装置 - Google Patents
車載用光源装置 Download PDFInfo
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- JP6331797B2 JP6331797B2 JP2014144184A JP2014144184A JP6331797B2 JP 6331797 B2 JP6331797 B2 JP 6331797B2 JP 2014144184 A JP2014144184 A JP 2014144184A JP 2014144184 A JP2014144184 A JP 2014144184A JP 6331797 B2 JP6331797 B2 JP 6331797B2
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- Prior art keywords
- light
- optical system
- projection optical
- light source
- vehicle
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- 230000003287 optical effect Effects 0.000 claims description 159
- 238000009792 diffusion process Methods 0.000 claims description 46
- 238000005286 illumination Methods 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000003086 colorant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
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- 229920005668 polycarbonate resin Polymers 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 239000005338 frosted glass Substances 0.000 description 1
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Images
Classifications
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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
- F21S41/40—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
-
- 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
-
- 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
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/125—Coloured 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
- F21S41/10—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
- F21S41/16—Laser light sources
-
- 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
- F21S41/24—Light guides
-
- 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
- F21S41/20—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-F21S41/28
-
- 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
-
- 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
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
- F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- 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
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- 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
- F21Y2115/30—Semiconductor lasers
-
- 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
- G02B27/0994—Fibers, light pipes
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0252—Diffusing elements; Afocal elements characterised by the diffusing properties using holographic or diffractive means
Description
赤色レーザ光を射出する光源、緑色レーザ光を射出する光源、及び青色レーザ光を射出する光源を含む光源部と、
前記赤色レーザ光、前記緑色レーザ光、及び前記青色レーザ光を合成する合成光学系と、
前記合成光学系から射出された光の拡散角度を所定の角度に調整する光拡散素子と、
前記光拡散素子から射出された光を遠方に投射する投射光学系と、
前記光拡散素子と前記投射光学系の間に配置された、前記投射光学系に入射される光の配光を制御する配光制御部とを有することを特徴とする。
図1は、車載用光源装置の第一実施形態の光学系の構成を模式的に示す図面である。車載用光源装置1は、前照灯用の光(照明光)として前方に投射するための投射光学系4を備える。投射光学系4としては平凸レンズやシリンドリカルレンズを利用することができ、複数のレンズを組み合わせて実現しても構わない。
図6は、車載用光源装置の第二実施形態の光学系の構成を模式的に示す図面である。なお、以下の実施形態では、第一実施形態と異なる箇所のみを説明する。
図9は、車載用光源装置の第三実施形態の光学系の構成を模式的に示す図面である。なお、以下の実施形態では、第一実施形態及び第二実施形態と異なる箇所のみを説明する。
2 : 合成光学系
2a : 合成光学系の射出端
3 : 光拡散素子
3a : 光拡散素子の拡散面
4 : 投射光学系
4f : 投射光学系の焦点
5 : 光源部
5B : 青色レーザ光源
5G : 緑色レーザ光源
5R : 赤色レーザ光源
6B,6G,6R : 集光光学系
7B,7G,7R : 導光光学系
8 : 投射光学系の光軸
10 : 配光制御部
11 : 遮光部材
12 : 反射鏡
70 : 中心点
71 : 光が照射されるべき領域
Claims (6)
- 赤色レーザ光を射出する光源、緑色レーザ光を射出する光源、及び青色レーザ光を射出する光源を含む光源部と、
前記赤色レーザ光、前記緑色レーザ光、及び前記青色レーザ光を合成する合成光学系と、
前記合成光学系から射出された非平行光の拡散角度を所定の角度に調整する光拡散素子と、
前記光拡散素子から射出された非平行光を遠方に投射する投射光学系と、
前記光拡散素子と前記投射光学系の間に配置された、前記投射光学系に入射される光の配光を制御する配光制御部とを有し、
前記配光制御部は、入射された光を遮光する遮光部材を有し、
前記光拡散素子から射出された光のうち、前記遮光部材に照射された光は前記投射光学系に入射されない構成であり、
前記配光制御部は、前記遮光部材と前記光拡散素子の間に配置された反射鏡を有し、
前記反射鏡の反射面の少なくとも一部が前記投射光学系の光軸に平行であることを特徴とする車載用光源装置。 - 前記光拡散素子は、表面に凹凸を有してなる光拡散面を含むホログラフィック拡散板で構成され、
前記ホログラフィック拡散板の面のうち、少なくとも前記合成光学系の射出端に近い側の面が前記光拡散面で構成されていることを特徴とする請求項1に記載の車載用光源装置。 - 前記遮光部材は、車載用照明の配光規格に応じた形状を有していることを特徴とする請求項2に記載の車載用光源装置。
- 前記合成光学系の射出端面と前記反射鏡の反射面とが前記投射光学系の光軸を挟んで配置されていることを特徴とする請求項1〜3のいずれか1項に記載の車載用光源装置。
- 前記遮光部材が前記投射光学系の焦点位置に配置されていることを特徴とする請求項1〜4のいずれか1項に記載の車載用光源装置。
- 前記合成光学系の射出端が前記投射光学系の焦点位置よりも前記投射光学系に近い位置に配置されていることを特徴とする請求項1〜5のいずれか1項に記載の車載用光源装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014144184A JP6331797B2 (ja) | 2014-07-14 | 2014-07-14 | 車載用光源装置 |
PCT/JP2015/068621 WO2016009816A1 (ja) | 2014-07-14 | 2015-06-29 | 車載用光源装置 |
US15/325,804 US10260700B2 (en) | 2014-07-14 | 2015-06-29 | Vehicle-mounted light source device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014144184A JP6331797B2 (ja) | 2014-07-14 | 2014-07-14 | 車載用光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016021307A JP2016021307A (ja) | 2016-02-04 |
JP6331797B2 true JP6331797B2 (ja) | 2018-05-30 |
Family
ID=55078314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014144184A Expired - Fee Related JP6331797B2 (ja) | 2014-07-14 | 2014-07-14 | 車載用光源装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10260700B2 (ja) |
JP (1) | JP6331797B2 (ja) |
WO (1) | WO2016009816A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014118378A1 (de) * | 2014-12-11 | 2016-06-16 | Hella Kgaa Hueck & Co. | Beleuchtungsvorrichtung für Fahrzeuge |
DE102016209949A1 (de) * | 2016-06-07 | 2017-12-07 | Robert Bosch Gmbh | Vorrichtung und Verfahren zum Projizieren eines Lichtmusters |
CZ2019768A3 (cs) | 2019-12-12 | 2021-06-30 | Varroc Lighting Systems, s.r.o. | Osvětlovací zařízení vozidla s laserovým zdrojem záření |
Family Cites Families (28)
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US5117335A (en) | 1989-12-28 | 1992-05-26 | Koito Manufacturing Co., Ltd. | Headlight for vehicle |
JPH03201301A (ja) * | 1989-12-28 | 1991-09-03 | Koito Mfg Co Ltd | 車輌用前照灯 |
DE10009782B4 (de) * | 2000-03-01 | 2010-08-12 | Automotive Lighting Reutlingen Gmbh | Beleuchtungseinrichtung eines Fahrzeugs |
US20060039160A1 (en) * | 2004-08-23 | 2006-02-23 | Cassarly William J | Lighting systems for producing different beam patterns |
US7234820B2 (en) * | 2005-04-11 | 2007-06-26 | Philips Lumileds Lighting Company, Llc | Illuminators using reflective optics with recycling and color mixing |
JP2008234908A (ja) * | 2007-03-19 | 2008-10-02 | Nec Lighting Ltd | Ledスポットライト |
JP4754518B2 (ja) * | 2007-03-26 | 2011-08-24 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
JP4970136B2 (ja) * | 2007-05-17 | 2012-07-04 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
FR2917485B1 (fr) * | 2007-06-18 | 2009-10-09 | Valeo Vision Sa | Module optique pour dispositif d'eclairage automobile |
JP2011090839A (ja) | 2009-10-21 | 2011-05-06 | Koito Mfg Co Ltd | 車両用前照灯 |
JP4991001B2 (ja) * | 2009-12-28 | 2012-08-01 | シャープ株式会社 | 照明装置 |
US8733996B2 (en) * | 2010-05-17 | 2014-05-27 | Sharp Kabushiki Kaisha | Light emitting device, illuminating device, and vehicle headlamp |
US20110280033A1 (en) * | 2010-05-17 | 2011-11-17 | Sharp Kabushiki Kaisha | Light-emitting device, illumination device, and vehicle headlamp |
CN102313166B (zh) * | 2010-05-17 | 2015-01-14 | 夏普株式会社 | 发光体、发光装置、照明装置以及车辆用前照灯 |
US8833975B2 (en) * | 2010-09-07 | 2014-09-16 | Sharp Kabushiki Kaisha | Light-emitting device, illuminating device, vehicle headlamp, and method for producing light-emitting device |
JP5329511B2 (ja) * | 2010-10-29 | 2013-10-30 | シャープ株式会社 | 照明装置及び車両用前照灯 |
JP2012099282A (ja) * | 2010-10-29 | 2012-05-24 | Sharp Corp | 照明装置及び車両用前照灯 |
JP5722068B2 (ja) * | 2011-02-10 | 2015-05-20 | シャープ株式会社 | 光源装置、照明装置および車両用前照灯 |
US9346395B2 (en) * | 2011-03-08 | 2016-05-24 | Sharp Kabushiki Kaisha | Light-emitting apparatus, illumination system, vehicle headlamp, projector, and method for manufacturing light-emitting apparatus |
WO2012124587A1 (ja) | 2011-03-16 | 2012-09-20 | シャープ株式会社 | 波長変換部材およびその製造方法、ならびに、発光装置、照明装置および前照灯 |
JP2012204072A (ja) | 2011-03-24 | 2012-10-22 | Sharp Corp | 発光装置、照明装置および車両用前照灯 |
JP5261543B2 (ja) * | 2011-06-30 | 2013-08-14 | シャープ株式会社 | レーザ光利用装置および車両用前照灯 |
JP5380498B2 (ja) * | 2011-07-25 | 2014-01-08 | シャープ株式会社 | 光源装置、照明装置、車両用前照灯および車両 |
JP2013125693A (ja) | 2011-12-15 | 2013-06-24 | Koito Mfg Co Ltd | 車両用灯具 |
WO2013094590A1 (ja) | 2011-12-20 | 2013-06-27 | スタンレー電気株式会社 | 発光装置、車両用灯具及び車両 |
JP5812283B2 (ja) | 2011-12-20 | 2015-11-11 | スタンレー電気株式会社 | 発光装置、車両用灯具及び車両 |
JP5912712B2 (ja) * | 2012-03-21 | 2016-04-27 | スタンレー電気株式会社 | 照明用光学系 |
DE102013207850A1 (de) * | 2013-04-29 | 2014-10-30 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für einen Kraftfahrzeugscheinwerfer |
-
2014
- 2014-07-14 JP JP2014144184A patent/JP6331797B2/ja not_active Expired - Fee Related
-
2015
- 2015-06-29 WO PCT/JP2015/068621 patent/WO2016009816A1/ja active Application Filing
- 2015-06-29 US US15/325,804 patent/US10260700B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10260700B2 (en) | 2019-04-16 |
US20170175967A1 (en) | 2017-06-22 |
JP2016021307A (ja) | 2016-02-04 |
WO2016009816A1 (ja) | 2016-01-21 |
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