JP6383569B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6383569B2 JP6383569B2 JP2014107158A JP2014107158A JP6383569B2 JP 6383569 B2 JP6383569 B2 JP 6383569B2 JP 2014107158 A JP2014107158 A JP 2014107158A JP 2014107158 A JP2014107158 A JP 2014107158A JP 6383569 B2 JP6383569 B2 JP 6383569B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- lens group
- dimensional image
- projection lens
- image display
- 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.)
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Classifications
-
- 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
- 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
- B60Q1/14—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 having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
-
- 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
- F21S41/25—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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/27—Thick 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
- F21S41/30—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
- F21S41/60—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
-
- 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
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/32—Road surface or travel path
- B60Q2300/322—Road curvature
-
- 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
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/41—Indexing codes relating to other road users or special conditions preceding vehicle
-
- 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
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
-
- 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
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/45—Special conditions, e.g. pedestrians, road signs or potential dangers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lenses (AREA)
Description
図2は、第1実施例に係る投影レンズ群20の概略鉛直断面図である。この第1実施例に係る投影レンズ群20は、二次元画像表示装置14により形成された画像の縦横比を維持したまま、灯具前方に投影するよう構成されている。第1実施例に係る投影レンズ群20では、第1面〜第4面は、以下に示す非球面式(1)で規定される。
図4は、第2実施例に係る投影レンズ群20の概略鉛直断面図である。この第2実施例に係る投影レンズ群20も、二次元画像表示装置14により形成された像の縦横比を維持したまた、灯具前方に投影するよう構成されている。第2実施例に係る投影レンズ群20においても、第1〜第4面は上記の非球面式(1)で規定される。図5は、第2実施例に係る投影レンズ群20の第1面〜第4面それぞれにおける曲率c、コーニック定数k、非球面係数α1〜α5を示す。
図7は、第3実施例に係る投影レンズ群20の概略斜視図である。図8は、第3実施例に係る投影レンズ群20の概略側面図である。図9は、第3実施例に係る投影レンズ群20の概略上面図である。図10は、第3実施例に係る投影レンズ群20の概略鉛直断面図である。図11は、第3実施例に係る投影レンズ群20の概略水平断面図である。この第3実施例に係る投影レンズ群20は、二次元画像表示装置14により形成された像の縦横比を変えて灯具前方に投影するよう構成されている。
Claims (4)
- 光源と、
前記光源からの光を反射するリフレクタと、
前記リフレクタからの光を反射可能に構成される二次元画像表示装置と、
前記二次元画像表示装置からの光を灯具前方に投影する投影レンズ群と、
を備える車両用灯具であって、
前記投影レンズ群は、前記二次元画像表示装置側に配置された第1レンズと、前記第1レンズよりも像側に配置された第2レンズと、から成り、
前記第1レンズと前記第2レンズとの間には間隙が設けられており、
前記第1レンズと前記第2レンズは、互いにアッベ数が異なり、
前記第1レンズと前記第2レンズの入射面および出射面は、非球面から構成され、
前記二次元画像表示装置と前記第1レンズの入射面とが20mm以上離間していることを特徴とする車両用灯具。 - 前記第1レンズの屈折率は、前記第2レンズの屈折率よりも高いことを特徴とする請求項1に記載の車両用灯具。
- 前記第1レンズのアッベ数は、前記第2レンズのアッベ数よりも低いことを特徴とする請求項1または2に記載の車両用灯具。
- 前記第1レンズと前記第2レンズとの間の間隙は、光軸上で24mm以下であることを特徴とする請求項1に記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014107158A JP6383569B2 (ja) | 2014-05-23 | 2014-05-23 | 車両用灯具 |
DE102015209194.5A DE102015209194A1 (de) | 2014-05-23 | 2015-05-20 | Fahrzeugleuchte |
FR1554643A FR3021393B1 (fr) | 2014-05-23 | 2015-05-22 | Lampe pour vehicule |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014107158A JP6383569B2 (ja) | 2014-05-23 | 2014-05-23 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015222687A JP2015222687A (ja) | 2015-12-10 |
JP6383569B2 true JP6383569B2 (ja) | 2018-08-29 |
Family
ID=54432011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014107158A Active JP6383569B2 (ja) | 2014-05-23 | 2014-05-23 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6383569B2 (ja) |
DE (1) | DE102015209194A1 (ja) |
FR (1) | FR3021393B1 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10670859B2 (en) * | 2015-12-30 | 2020-06-02 | Infineon Technologies Ag | High efficiency digital light processing engine |
AT518286B1 (de) * | 2016-02-24 | 2017-11-15 | Zkw Group Gmbh | Scheinwerfer für Fahrzeuge |
AT518725B1 (de) | 2016-06-13 | 2018-02-15 | Zkw Group Gmbh | Vorrichtung und Verfahren zur Erzeugung einer Lichtverteilung mit einem Fahrzeugscheinwerfer |
KR101704616B1 (ko) * | 2016-07-08 | 2017-02-08 | 은현수 | 헤드라이트용 플라스틱 복합렌즈 |
FR3054021A1 (fr) * | 2016-07-13 | 2018-01-19 | Valeo Vision | Dispositif lumineux de projection d’image variable |
FR3056689B1 (fr) * | 2016-09-29 | 2019-06-28 | Valeo Vision | Projecteur de vehicule automobile et systeme de projection comportant un tel projecteur |
AT519118B1 (de) * | 2016-11-24 | 2018-04-15 | Zkw Group Gmbh | Scheinwerfermodul für Fahrzeuge |
DE102017105888A1 (de) * | 2017-03-20 | 2018-09-20 | Automotive Lighting Reutlingen Gmbh | Lichtmodul für einen Kraftfahrzeugscheinwerfer und Scheinwerfer mit einem solchen Lichtmodul |
DE102017102478A1 (de) * | 2017-04-10 | 2018-10-11 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
JP7002897B2 (ja) | 2017-09-20 | 2022-02-04 | 株式会社小糸製作所 | 車両用灯具 |
JP7341634B2 (ja) | 2017-09-20 | 2023-09-11 | 株式会社小糸製作所 | 車両用灯具 |
JP2019079702A (ja) * | 2017-10-25 | 2019-05-23 | 株式会社小糸製作所 | 車両用前照灯 |
FR3076171B1 (fr) | 2017-12-22 | 2021-10-29 | Valeo Vision | Calibration d'un module lumineux a elements electroluminescents |
JP7304459B2 (ja) * | 2018-02-22 | 2023-07-06 | 株式会社小糸製作所 | 車両用灯具 |
JP7131049B2 (ja) * | 2018-04-20 | 2022-09-06 | 市光工業株式会社 | 車両用灯具 |
JP7139147B2 (ja) * | 2018-05-21 | 2022-09-20 | スタンレー電気株式会社 | 車両用灯具 |
JP7139148B2 (ja) * | 2018-05-21 | 2022-09-20 | スタンレー電気株式会社 | 車両用灯具 |
JP7285260B2 (ja) * | 2018-08-21 | 2023-06-01 | 株式会社小糸製作所 | 車両用灯具 |
US10514145B1 (en) * | 2018-12-20 | 2019-12-24 | Valeo North America, Inc. | Optical systems for a headlamp |
EP3855067A1 (en) * | 2020-01-27 | 2021-07-28 | Lumileds Holding B.V. | Light module for a vehicle headlamp having led light source and vehicle head lamp |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4940870B2 (ja) * | 2006-10-02 | 2012-05-30 | パナソニック株式会社 | 撮影レンズ |
JP4863216B2 (ja) * | 2007-03-09 | 2012-01-25 | スタンレー電気株式会社 | プロジェクター型ヘッドライト用の投影レンズ |
TW201022592A (en) * | 2008-12-15 | 2010-06-16 | Create Electronic Optical Co | Optical lens and light emitting diode (LED) illuminating device thereof |
JP5732927B2 (ja) * | 2011-03-09 | 2015-06-10 | 株式会社豊田中央研究所 | 車両用照明装置 |
JP5316968B2 (ja) * | 2011-03-28 | 2013-10-16 | 株式会社ニコン | 投映レンズ及びこれを搭載する光学機器 |
JP5823214B2 (ja) * | 2011-09-05 | 2015-11-25 | 株式会社小糸製作所 | 車両用前照灯装置 |
-
2014
- 2014-05-23 JP JP2014107158A patent/JP6383569B2/ja active Active
-
2015
- 2015-05-20 DE DE102015209194.5A patent/DE102015209194A1/de not_active Withdrawn
- 2015-05-22 FR FR1554643A patent/FR3021393B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR3021393B1 (fr) | 2020-01-17 |
JP2015222687A (ja) | 2015-12-10 |
FR3021393A1 (fr) | 2015-11-27 |
DE102015209194A1 (de) | 2015-11-26 |
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