JP5457219B2 - 光学ユニット - Google Patents
光学ユニット Download PDFInfo
- Publication number
- JP5457219B2 JP5457219B2 JP2010031400A JP2010031400A JP5457219B2 JP 5457219 B2 JP5457219 B2 JP 5457219B2 JP 2010031400 A JP2010031400 A JP 2010031400A JP 2010031400 A JP2010031400 A JP 2010031400A JP 5457219 B2 JP5457219 B2 JP 5457219B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- lens
- light source
- lenses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
-
- 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
- F21S41/141—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
-
- 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
-
- 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
- F21S41/265—Composite lenses; Lenses with a patch-like shape
-
- 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
-
- 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
- B60Q2300/05—Special features for controlling or switching of the light beam
- B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
-
- 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]
Landscapes
- 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)
- Projection Apparatus (AREA)
Description
図1は、第1の実施形態に係る光学ユニット10の上面図である。光学ユニット10は、第2レンズ12、第1レンズユニット14、および発光ユニット16を有する。発光ユニット16は、発光モジュール基板18およびヒートシンク20を有する。
図4は、比較例に係る第1レンズ130を通過する光の光路を模式的に示す図である。光学ユニットの構成は、第1レンズ30に代えて第1レンズ130を用いた以外は、第1の実施形態と同様である。
図7は、第1の実施形態に係る第1レンズ130を通過する光の光路を模式的に示す図である。図7に示すように、第1レンズ30は、形成すべき個別光源像Aの縁部のうち隣の個別光源像Aに接する接触縁部A1に、対応する発光モジュール22の発光面22aの縁部22bのうち接触縁部A1と自身の光軸X2を挟んだ反対側の縁部22bからの出射光を集光する。
図10は、第2の実施形態に係る光学ユニット60の上面図である。以下、第1の実施形態と同様の個所は同一の符号を付して説明を省略する。
図12は、第3の実施形態に係る光学ユニット80の斜視図である。以下、上述の実施形態と同様の個所は同一の符号を付して説明を省略する。
Claims (3)
- 発光面が互いに離間するよう配置された複数の光源と、
前記複数の光源の各々にそれぞれが対応するよう設けられ、対応する光源からの出射光を各々が集光することにより、所定の仮想面上において互いに縁部が接して一列に並ぶ複数の光源像を形成する複数の第1レンズと、
前記複数の光源像の投影像を灯具前方に投影する第2レンズと、
を備え、
前記複数の第1レンズの各々は、形成すべき光源像の縁部のうち隣の光源像に接する接触縁部に、対応する光源の発光面の縁部のうち前記接触縁部と自身の光軸を挟んだ反対側の縁部からの出射光を集光し、
前記第2レンズは、後方焦点面が曲面となるよう形成され、
前記複数の光源は、発光面が前記後方焦点面に平行な第1仮想曲面上に位置するよう配置され、
前記複数の第1レンズは、前記後方焦点面と前記第1仮想曲面との間において、前記後方焦点面に平行な第2仮想曲面上に配置されることを特徴とする光学ユニット。 - 前記複数の第1レンズのうち隣り合う2つの第1レンズを仕切るよう延在する仕切り部材をさらに備えることを特徴とする請求項1に記載の光学ユニット。
- 前記複数の光源および前記複数の第1レンズは、隣り合う光源像を形成する同士が前記接触縁部と平行な方向にずらして配置されていることを特徴とする請求項1または2に記載の光学ユニット。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010031400A JP5457219B2 (ja) | 2010-02-16 | 2010-02-16 | 光学ユニット |
EP11153814.6A EP2357399B1 (en) | 2010-02-16 | 2011-02-09 | Optical unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010031400A JP5457219B2 (ja) | 2010-02-16 | 2010-02-16 | 光学ユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011171002A JP2011171002A (ja) | 2011-09-01 |
JP5457219B2 true JP5457219B2 (ja) | 2014-04-02 |
Family
ID=43902802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010031400A Expired - Fee Related JP5457219B2 (ja) | 2010-02-16 | 2010-02-16 | 光学ユニット |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2357399B1 (ja) |
JP (1) | JP5457219B2 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5879876B2 (ja) * | 2011-09-28 | 2016-03-08 | スタンレー電気株式会社 | 車両用灯具ユニット |
JP5991458B2 (ja) * | 2011-11-24 | 2016-09-14 | スタンレー電気株式会社 | 車両用灯具ユニット |
KR101305728B1 (ko) | 2011-12-29 | 2013-09-06 | 인하대학교 산학협력단 | Led 조명기구의 제작공차를 개선할 수 있는 배광 분포의 중첩 효과를 갖는 자유 형상 렌즈 |
JP6095937B2 (ja) * | 2012-10-12 | 2017-03-15 | 株式会社小糸製作所 | 車輌用前照灯 |
DE102013206488A1 (de) | 2013-04-11 | 2014-10-30 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für eine Kraftfahrzeugbeleuchtungseinrichtung |
TWI620889B (zh) * | 2013-04-15 | 2018-04-11 | Hoya Candeo Optronics Corp | Light irradiation device |
DE102013214116C5 (de) * | 2013-07-18 | 2018-07-05 | Automotive Lighting Reutlingen Gmbh | Scheinwerfer für ein blendungsfreies Fernlicht |
ITMI20131711A1 (it) * | 2013-10-15 | 2015-04-16 | Artemide Spa | Apparecchio di illuminazione con sistema ottico per il controllo di indice ugr e luminanza |
JP6045719B2 (ja) * | 2013-12-12 | 2016-12-14 | 三菱電機株式会社 | 前照灯モジュール及び前照灯装置 |
DE102014110599A1 (de) * | 2014-07-28 | 2016-01-28 | Hella Kgaa Hueck & Co. | Beleuchtungsvorrichtung für Fahrzeuge |
FR3048060B1 (fr) * | 2016-02-22 | 2019-04-05 | Valeo Vision | Dispositif de projection de faisceau lumineux muni de sous-matrices de sources de lumiere, module d'eclairage et projecteur muni d'un tel dispositif |
FR3048059B1 (fr) | 2016-02-22 | 2022-08-05 | Valeo Vision | Dispositif de projection de faisceau lumineux muni d'une matrice de sources de lumiere, module d'eclairage et projecteur muni d'un tel dispositif |
DE102016217130A1 (de) * | 2016-09-08 | 2018-03-08 | Osram Gmbh | Optik und optisches System |
JP6805706B2 (ja) * | 2016-10-12 | 2020-12-23 | 市光工業株式会社 | 車両用灯具 |
FR3061965B1 (fr) * | 2017-01-19 | 2022-08-12 | Valeo Vision | Dispositif de projection d’un faisceau lumineux pixelise, projecteur muni d’un tel dispositif |
KR102140216B1 (ko) * | 2017-07-28 | 2020-07-31 | 에스엘 주식회사 | 차량용 램프 |
FR3079473B1 (fr) * | 2018-03-30 | 2020-10-02 | Valeo Vision | Systeme d'eclairage interieur pour vehicule automobile |
JP7370713B2 (ja) * | 2019-03-07 | 2023-10-30 | 株式会社小糸製作所 | 光学ユニット |
CN112443808A (zh) * | 2019-08-28 | 2021-03-05 | 堤维西交通工业股份有限公司 | 适应性头灯 |
EP3835649A1 (en) * | 2019-12-12 | 2021-06-16 | T.Y.C. Brother Industrial Co., Ltd. | Adaptive headlight for vehicles |
JPWO2021182303A1 (ja) * | 2020-03-13 | 2021-09-16 | ||
WO2022117431A2 (en) * | 2020-12-02 | 2022-06-09 | Ams-Osram Ag | Optical system for an automotive headlamp |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2137978C1 (ru) * | 1998-03-26 | 1999-09-20 | Открытое акционерное общество "ЛОМО" | Осветительное устройство с несимметричным распределением светового потока относительно оптической оси |
JP2002532893A (ja) * | 1998-12-17 | 2002-10-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光エンジン |
JP2004220015A (ja) * | 2002-12-26 | 2004-08-05 | Sanyo Electric Co Ltd | 照明装置及び投写型映像表示装置 |
JP2006133635A (ja) * | 2004-11-09 | 2006-05-25 | Olympus Corp | 照明光学装置及び光学装置 |
JP4624257B2 (ja) | 2005-12-28 | 2011-02-02 | 株式会社小糸製作所 | 車両用灯具 |
DE102007043192A1 (de) * | 2007-09-11 | 2009-03-12 | Osram Opto Semiconductors Gmbh | Leuchtdioden-Modul |
US9557033B2 (en) * | 2008-03-05 | 2017-01-31 | Cree, Inc. | Optical system for batwing distribution |
-
2010
- 2010-02-16 JP JP2010031400A patent/JP5457219B2/ja not_active Expired - Fee Related
-
2011
- 2011-02-09 EP EP11153814.6A patent/EP2357399B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2357399A1 (en) | 2011-08-17 |
JP2011171002A (ja) | 2011-09-01 |
EP2357399B1 (en) | 2016-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5457219B2 (ja) | 光学ユニット | |
CN106662314B (zh) | 灯具单元及车辆用前照灯 | |
US8939627B2 (en) | Vehicle lighting unit | |
US7131758B2 (en) | Vehicle headlamp with light-emitting unit shifted from optical axis of lens | |
US9347636B2 (en) | Vehicle lighting unit | |
US10429021B2 (en) | Vehicle lamp fitting | |
JP5940829B2 (ja) | 灯具ユニット | |
US20150300589A1 (en) | Vehicle lamp device | |
WO2020179471A1 (ja) | 光学ユニット | |
JP2003317513A (ja) | 光源ユニット | |
US9903554B2 (en) | Vehicle lighting fixture | |
US8752991B2 (en) | Vehicle lighting device | |
US20160377250A1 (en) | Vehicle lighting fixture | |
CN113167452B (zh) | 车辆用导光体以及车辆用灯具 | |
CN108603646B (zh) | 车辆用灯具 | |
JP2020061231A (ja) | 車両用灯具 | |
JP6727043B2 (ja) | 光源装置及び照明器具 | |
JP2015185232A (ja) | 自動車用灯具 | |
JP6511748B2 (ja) | 車両用灯具 | |
CN108302456B (zh) | 车用灯具 | |
US20190170316A1 (en) | Vehicle lighting fixture | |
JP2018056005A (ja) | 車両用灯具 | |
JP2010277817A (ja) | 車両用照明灯具 | |
JP6756576B2 (ja) | 車両用灯具 | |
JP6169754B2 (ja) | 灯具ユニット |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20130109 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20131011 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131022 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20131129 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131224 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140109 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5457219 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |