JP2008251243A - 車輌用前照灯の灯具ユニット - Google Patents
車輌用前照灯の灯具ユニット Download PDFInfo
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- JP2008251243A JP2008251243A JP2007088538A JP2007088538A JP2008251243A JP 2008251243 A JP2008251243 A JP 2008251243A JP 2007088538 A JP2007088538 A JP 2007088538A JP 2007088538 A JP2007088538 A JP 2007088538A JP 2008251243 A JP2008251243 A JP 2008251243A
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- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims abstract description 11
- 238000007740 vapor deposition Methods 0.000 claims description 11
- 239000012780 transparent material Substances 0.000 claims description 8
- 238000004381 surface treatment Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 19
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
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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
- 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
-
- 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
-
- 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 - F21S41/2805
-
- 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
- F21S41/30—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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
-
- 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
- F21W2102/17—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
-
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
【解決手段】光軸xを有する投影レンズ10と、半導体発光素子から成る光源30と、前記光源からの光を光軸上又はその近傍で集光するように反射する第1のリフレクタ40と、前記光源と前記投影レンズとの間に前記光軸方向に沿って延びるように位置し、前記第1のリフレクタで反射された光の一部を遮蔽するシェード22とを備え、前記投影レンズの後方焦点Rf近傍に位置した前記シェードの前端22aから後方へ向けて延びる遮光面は、第1のリフレクタからの光を投影レンズに向けて反射させる第2のリフレクタ222・223とされた車輌用前照灯の灯具ユニット1において、第1のリフレクタで反射された光の一部が投影レンズの後方焦点より下方を通過した後に投影レンズに入射されるように、前記第2のリフレクタの一部に光透過部221が形成された。
【選択図】 図1
Description
Claims (3)
- 光軸を有する投影レンズと、
半導体発光素子から成る光源と、
前記光源からの光を光軸上又はその近傍で集光するように反射する第1のリフレクタと、
前記光源と前記投影レンズとの間に前記光軸方向に沿って延びるように位置し、前記第1のリフレクタで反射された光の一部を遮蔽するシェードとを備え、
前記投影レンズの後方焦点近傍に位置した前記シェードの前端から後方へ向けて延びる遮光面は、第1のリフレクタからの光を投影レンズに向けて反射させる第2のリフレクタとされた車輌用前照灯の灯具ユニットにおいて、
第1のリフレクタで反射された光の一部が投影レンズの後方焦点より下方を通過した後に投影レンズに入射されるように、前記第2のリフレクタの一部に光透過部が形成された
ことを特徴とする車輌用前照灯の灯具ユニット。 - 前記シェードが透明材料で形成されて、前記第2のリフレクタが金属蒸着等の表面処理によって形成され、前記光透過部は前記表面処理の不実施によって形成されて成り、
前記光透過部を透過した光は、前記透明材料への入射時に屈折されると共に該透明材料内を進み、前記投影レンズの後方焦点近傍に形成された光射出部から出て投影レンズに入射する
ことを特徴とする請求項1に記載の車輌用前照灯の灯具ユニット。 - 前記光射出部は前記投影レンズの後方焦点より下方且つ後方へずれて位置している
ことを特徴とする請求項2に記載の車輌用前照灯の灯具ユニット。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007088538A JP4766698B2 (ja) | 2007-03-29 | 2007-03-29 | 車輌用前照灯の灯具ユニット |
US12/044,187 US7726859B2 (en) | 2007-03-29 | 2008-03-07 | Lamp unit of vehicular headlamp |
DE102008015510A DE102008015510B4 (de) | 2007-03-29 | 2008-03-25 | Leuchteneinheit eines Fahrzeugscheinwerfers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007088538A JP4766698B2 (ja) | 2007-03-29 | 2007-03-29 | 車輌用前照灯の灯具ユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008251243A true JP2008251243A (ja) | 2008-10-16 |
JP4766698B2 JP4766698B2 (ja) | 2011-09-07 |
Family
ID=39719742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007088538A Expired - Fee Related JP4766698B2 (ja) | 2007-03-29 | 2007-03-29 | 車輌用前照灯の灯具ユニット |
Country Status (3)
Country | Link |
---|---|
US (1) | US7726859B2 (ja) |
JP (1) | JP4766698B2 (ja) |
DE (1) | DE102008015510B4 (ja) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010108639A (ja) * | 2008-10-28 | 2010-05-13 | Stanley Electric Co Ltd | 車両用灯具、及び、レンズ体 |
JP2010282843A (ja) * | 2009-06-04 | 2010-12-16 | Stanley Electric Co Ltd | 車両用灯具 |
JP2010287396A (ja) * | 2009-06-10 | 2010-12-24 | Koito Mfg Co Ltd | 車輌用前照灯 |
CN102032516A (zh) * | 2009-10-05 | 2011-04-27 | 株式会社小糸制作所 | 车辆用前照灯 |
JP2012043797A (ja) * | 2010-08-20 | 2012-03-01 | Automotive Lighting Reutlingen Gmbh | 明暗境界線の光度勾配が目的に合わせて減衰されるプロジェクターヘッドライト |
JP2014130850A (ja) * | 2014-04-09 | 2014-07-10 | Koito Mfg Co Ltd | 車両用灯具ユニット及び車両用灯具 |
JP2016015215A (ja) * | 2014-07-01 | 2016-01-28 | 株式会社小糸製作所 | 車両用灯具 |
JP2016170880A (ja) * | 2015-03-11 | 2016-09-23 | パナソニックIpマネジメント株式会社 | 照明装置及び照明装置を備える移動体 |
JP2016170895A (ja) * | 2015-03-11 | 2016-09-23 | パナソニックIpマネジメント株式会社 | 照明装置及び照明装置を備える移動体 |
JP2017084557A (ja) * | 2015-10-27 | 2017-05-18 | スタンレー電気株式会社 | レンズ体、レンズ結合体及び車両用灯具 |
JP2017084556A (ja) * | 2015-10-27 | 2017-05-18 | スタンレー電気株式会社 | レンズ体、レンズ結合体及び車両用灯具 |
JP6138295B1 (ja) * | 2016-01-20 | 2017-05-31 | 堤維西交通工業股▲分▼有限公司 | ヘッドライト |
JP2019040673A (ja) * | 2017-08-22 | 2019-03-14 | 市光工業株式会社 | 車両用前照灯 |
KR20190048553A (ko) * | 2017-10-31 | 2019-05-09 | 에스엘 주식회사 | 차량용 램프 |
Families Citing this family (27)
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DE102009010558B4 (de) * | 2009-02-13 | 2016-06-09 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für einen Scheinwerfer eines Kraftfahrzeugs und Kraftfahrzeugscheinwerfer mit einem solchen Lichtmodul |
JP5471755B2 (ja) * | 2010-04-12 | 2014-04-16 | 市光工業株式会社 | 車両用前照灯 |
DE102010046021A1 (de) * | 2010-09-18 | 2012-03-22 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugscheinwerfer mit einem Mehrfunktions-Projektionsmodul |
DE102010041096B4 (de) | 2010-09-21 | 2024-05-08 | Osram Gmbh | Leuchtvorrichtung |
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JP6158549B2 (ja) * | 2012-06-26 | 2017-07-05 | 株式会社小糸製作所 | 車両用前照灯 |
DE102012015526A1 (de) * | 2012-08-04 | 2013-09-12 | Audi Ag | Fahrzeuglichtanlage mit zumindest einem auf einer reflektierenden Oberfläche vorgesehenen Strukturelement |
DE102012220507A1 (de) | 2012-11-09 | 2014-05-15 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für einen Scheinwerfer eines Kraftfahrzeugs |
DE102013101344B4 (de) * | 2013-02-12 | 2024-11-07 | HELLA GmbH & Co. KGaA | Optisches System für eine Beleuchtungsvorrichtung für Fahrzeuge |
AT514161B1 (de) | 2013-04-09 | 2016-05-15 | Zizala Lichtsysteme Gmbh | Leuchteinheit mit Blende mit zumindest einem Lichtfenster |
DE102013108343A1 (de) * | 2013-08-02 | 2015-03-19 | Hella Kgaa Hueck & Co. | Scheinwerfer für Fahrzeuge |
JP6339862B2 (ja) * | 2013-10-11 | 2018-06-06 | 株式会社小糸製作所 | 車両用灯具およびその製造方法 |
FR3055400B1 (fr) * | 2016-09-01 | 2019-06-28 | Valeo Vision | Module optique pour eclairer des points de portique |
US11585507B2 (en) * | 2017-01-06 | 2023-02-21 | Hasco Vision Technology Co., Ltd. | Lens for automobile lamp, automobile headlamp, and automobile |
CN106764806A (zh) * | 2017-01-06 | 2017-05-31 | 上海小糸车灯有限公司 | 用于车灯的透镜、汽车前照灯及汽车 |
EP3412958A1 (en) * | 2017-06-07 | 2018-12-12 | Valeo Iluminacion | Lighting module for an automotive headlamp |
KR101938669B1 (ko) | 2017-06-22 | 2019-01-15 | 엘지전자 주식회사 | 차량용 램프 및 그것의 제어방법 |
FR3075926B1 (fr) * | 2017-12-21 | 2021-04-02 | Valeo Vision | Dispositif d’eclairage de vehicule automobile |
EP3653926B1 (de) * | 2018-11-19 | 2022-02-16 | ZKW Group GmbH | Beleuchtungsvorrichtung für einen kraftfahrzeugscheinwerfer sowie kraftfahrzeugscheinwerfer |
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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 |
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JPH0729402A (ja) * | 1993-07-12 | 1995-01-31 | Stanley Electric Co Ltd | プロジェクタ型ヘッドランプ |
JP2005235707A (ja) * | 2004-02-23 | 2005-09-02 | Ichikoh Ind Ltd | プロジェクタ型車両用灯具 |
Family Cites Families (3)
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JP4080780B2 (ja) * | 2002-04-23 | 2008-04-23 | 株式会社小糸製作所 | 光源ユニット |
JP2006164858A (ja) * | 2004-12-09 | 2006-06-22 | Koito Mfg Co Ltd | 車両用照明灯具 |
JP4663548B2 (ja) * | 2006-02-24 | 2011-04-06 | 株式会社小糸製作所 | 車両用前照灯の灯具ユニット |
-
2007
- 2007-03-29 JP JP2007088538A patent/JP4766698B2/ja not_active Expired - Fee Related
-
2008
- 2008-03-07 US US12/044,187 patent/US7726859B2/en not_active Expired - Fee Related
- 2008-03-25 DE DE102008015510A patent/DE102008015510B4/de not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0729402A (ja) * | 1993-07-12 | 1995-01-31 | Stanley Electric Co Ltd | プロジェクタ型ヘッドランプ |
JP2005235707A (ja) * | 2004-02-23 | 2005-09-02 | Ichikoh Ind Ltd | プロジェクタ型車両用灯具 |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010108639A (ja) * | 2008-10-28 | 2010-05-13 | Stanley Electric Co Ltd | 車両用灯具、及び、レンズ体 |
JP2010282843A (ja) * | 2009-06-04 | 2010-12-16 | Stanley Electric Co Ltd | 車両用灯具 |
JP2010287396A (ja) * | 2009-06-10 | 2010-12-24 | Koito Mfg Co Ltd | 車輌用前照灯 |
CN102032516A (zh) * | 2009-10-05 | 2011-04-27 | 株式会社小糸制作所 | 车辆用前照灯 |
CN102032516B (zh) * | 2009-10-05 | 2013-07-24 | 株式会社小糸制作所 | 车辆用前照灯 |
JP2012043797A (ja) * | 2010-08-20 | 2012-03-01 | Automotive Lighting Reutlingen Gmbh | 明暗境界線の光度勾配が目的に合わせて減衰されるプロジェクターヘッドライト |
JP2014130850A (ja) * | 2014-04-09 | 2014-07-10 | Koito Mfg Co Ltd | 車両用灯具ユニット及び車両用灯具 |
JP2016015215A (ja) * | 2014-07-01 | 2016-01-28 | 株式会社小糸製作所 | 車両用灯具 |
JP2016170880A (ja) * | 2015-03-11 | 2016-09-23 | パナソニックIpマネジメント株式会社 | 照明装置及び照明装置を備える移動体 |
JP2016170895A (ja) * | 2015-03-11 | 2016-09-23 | パナソニックIpマネジメント株式会社 | 照明装置及び照明装置を備える移動体 |
JP2017084557A (ja) * | 2015-10-27 | 2017-05-18 | スタンレー電気株式会社 | レンズ体、レンズ結合体及び車両用灯具 |
JP2017084556A (ja) * | 2015-10-27 | 2017-05-18 | スタンレー電気株式会社 | レンズ体、レンズ結合体及び車両用灯具 |
JP6138295B1 (ja) * | 2016-01-20 | 2017-05-31 | 堤維西交通工業股▲分▼有限公司 | ヘッドライト |
JP2017130361A (ja) * | 2016-01-20 | 2017-07-27 | 堤維西交通工業股▲分▼有限公司 | ヘッドライト |
JP2019040673A (ja) * | 2017-08-22 | 2019-03-14 | 市光工業株式会社 | 車両用前照灯 |
JP6996160B2 (ja) | 2017-08-22 | 2022-02-21 | 市光工業株式会社 | 車両用前照灯 |
KR20190048553A (ko) * | 2017-10-31 | 2019-05-09 | 에스엘 주식회사 | 차량용 램프 |
KR102522911B1 (ko) * | 2017-10-31 | 2023-04-18 | 에스엘 주식회사 | 차량용 램프 |
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US20080239745A1 (en) | 2008-10-02 |
DE102008015510B4 (de) | 2011-09-29 |
US7726859B2 (en) | 2010-06-01 |
DE102008015510A1 (de) | 2008-10-02 |
JP4766698B2 (ja) | 2011-09-07 |
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