JP7067955B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP7067955B2 JP7067955B2 JP2018029344A JP2018029344A JP7067955B2 JP 7067955 B2 JP7067955 B2 JP 7067955B2 JP 2018029344 A JP2018029344 A JP 2018029344A JP 2018029344 A JP2018029344 A JP 2018029344A JP 7067955 B2 JP7067955 B2 JP 7067955B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- refractive power
- projection lens
- resin
- projection
- 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
-
- 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
- F21S41/10—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]
-
- 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
- F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
-
- 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
- F21S41/60—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
-
- 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
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
-
- 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
-
- 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)
- Mathematical Physics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lenses (AREA)
Description
P1,2=P1-P2
である。なお、第1レンズ41の焦点距離を(+f1)とし、第2レンズ42の焦点距離を(-f2)とすると、第1レンズ41の屈折力P1は(+1/f1)であり、第2レンズ42の屈折力P2は(-1/f2)であるので、合計屈折力P1,2は
P1,2=(1/f1)-(1/f2)
として求められる。
Pt=P1-P2+P3
である。すなわち、第3レンズ43の焦点距離を(+f3)とすると、
Pt=(1/f1)-(1/f2)+(1/f3)
として求められる。
R=(P1,2/Pt)<1/3
である。
R=(P1,2/Pt)<1/3
を満たしている。
1 ランプハウジング
2 ランプユニット
3 光源
4,4A 投影レンズ
5 発光回路
41 凸レンズ(第1レンズ:樹脂レンズ)
42 凹レンズ(第2レンズ:樹脂レンズ)
43 凸レンズ(第3レンズ:ガラスレンズ)
44 凸レンズ(第4レンズ:ガラスレンズ)
301~309 LEDチップ(発光素子)
S1~S8 第1面~第8面
R 屈折力比
Pr 樹脂レンズの合計屈折力
Pt 投影レンズ全体の屈折力
Claims (5)
- 光源と、光源から出射した光を投影する投影レンズを含む車両用灯具であって、前記投影レンズは、2枚以上の樹脂レンズと、1枚以上のガラスレンズを含んでおり、前記樹脂レンズの合計の屈折力Prと、前記投影レンズ全体の屈折力Ptの屈折力比R(=Pr/Pt)が0<R<1/3の関係にあることを特徴とする車両用灯具。
- 光源と、光源から出射した光を投影する投影レンズを含む車両用灯具であって、前記投影レンズは、2枚以上の樹脂レンズと、1枚以上のガラスレンズを含んでおり、前記樹脂レンズの合計の屈折力Prと、前記投影レンズ全体の屈折力Ptの屈折力比R(=Pr/Pt)が0<R≦1/6の関係にあることを特徴とする車両用灯具。
- 前記投影レンズは、前記光源と反対側から順に、正の屈折力を有する第1レンズと、負の屈折力を有する第2レンズと、正の屈折力を有する第3レンズとを含むトリプレットレンズで構成されており、前記第1レンズと前記第2レンズは樹脂で構成され、前記第3レンズはガラスで構成されている請求項1又は2に記載の車両用灯具。
- 前記投影レンズは、前記光源と反対側から順に、正の屈折力を有する第1レンズと、負の屈折力を有する第2レンズと、正の屈折力を有する第3レンズと、正の屈折力を有する第4レンズを含んで構成されており、前記第1レンズと前記第2レンズは樹脂で構成され、前記第3レンズと前記第4レンズはガラスで構成されている請求項1又は2に記載の車両用灯具。
- 前記光源からの光を投影してADB配光制御を行う請求項1ないし4のいずれかに記載の車両用灯具。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018029344A JP7067955B2 (ja) | 2018-02-22 | 2018-02-22 | 車両用灯具 |
CN201910122261.3A CN110186004B (zh) | 2018-02-22 | 2019-02-19 | 车辆用灯具 |
US16/278,877 US10753563B2 (en) | 2018-02-22 | 2019-02-19 | Vehicle lamp |
FR1901770A FR3078138B1 (fr) | 2018-02-22 | 2019-02-21 | Lampe de véhicule |
DE102019202434.3A DE102019202434A1 (de) | 2018-02-22 | 2019-02-22 | Fahrzeugleuchte |
JP2022073973A JP7304459B2 (ja) | 2018-02-22 | 2022-04-28 | 車両用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018029344A JP7067955B2 (ja) | 2018-02-22 | 2018-02-22 | 車両用灯具 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022073973A Division JP7304459B2 (ja) | 2018-02-22 | 2022-04-28 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019145372A JP2019145372A (ja) | 2019-08-29 |
JP7067955B2 true JP7067955B2 (ja) | 2022-05-16 |
Family
ID=67482260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018029344A Active JP7067955B2 (ja) | 2018-02-22 | 2018-02-22 | 車両用灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10753563B2 (ja) |
JP (1) | JP7067955B2 (ja) |
CN (1) | CN110186004B (ja) |
DE (1) | DE102019202434A1 (ja) |
FR (1) | FR3078138B1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11230224B2 (en) | 2018-12-05 | 2022-01-25 | Sl Corporation | Lamp for vehicle |
CN111271679B (zh) | 2018-12-05 | 2022-02-22 | Sl株式会社 | 车辆用灯具 |
CN112628682B (zh) * | 2019-10-08 | 2022-09-27 | 曼德电子电器有限公司 | 用于led光源的投影镜头、系统及车辆 |
FR3103876B1 (fr) * | 2019-12-03 | 2022-02-18 | Valeo Vision | Dispositif optique de projection de faisceaux lumineux |
TWI717218B (zh) * | 2020-02-27 | 2021-01-21 | 揚明光學股份有限公司 | 鏡頭及其製造方法及車燈裝置 |
DE102020119939A1 (de) | 2020-07-29 | 2022-02-03 | HELLA GmbH & Co. KGaA | Scheinwerfer für ein Fahrzeug und Fahrzeug mit einem solchen Scheinwerfer |
CN111853699B (zh) * | 2020-08-28 | 2021-02-12 | 广东烨嘉光电科技股份有限公司 | 一种大孔径的三片式透镜光学镜头 |
CN112882211B (zh) * | 2021-01-18 | 2021-12-07 | 广东烨嘉光电科技股份有限公司 | 一种大孔径的四片式光学镜头 |
US11519577B2 (en) * | 2021-02-26 | 2022-12-06 | Young Optics Inc. | Vehicle lamp device and projection lens therefor |
DE102021132692A1 (de) | 2021-12-10 | 2023-06-15 | Marelli Automotive Lighting Reutlingen (Germany) GmbH | Lichtmodul eines Kraftfahrzeugscheinwerfers und Kraftfahrzeugscheinwerfer mit einem solchen Lichtmodul |
CN115046170B (zh) * | 2022-07-06 | 2024-03-15 | 中国第一汽车股份有限公司 | 一种adb模组及车辆 |
EP4443044A1 (en) * | 2023-04-04 | 2024-10-09 | ZKW Group GmbH | Lighting device for a vehicle headlamp |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001124986A (ja) | 1999-10-26 | 2001-05-11 | Canon Inc | 画像読取レンズ及びそれを用いた画像読取装置 |
JP2008300095A (ja) | 2007-05-30 | 2008-12-11 | Olympus Imaging Corp | 投光範囲を変更可能な投光光学系及びそれを備えた投光装置 |
WO2009069468A1 (ja) | 2007-11-26 | 2009-06-04 | Konica Minolta Opto, Inc. | 撮像レンズ及び撮像装置 |
JP3165336U (ja) | 2010-04-30 | 2011-01-13 | 一品光学工業股▲ふん▼有限公司 | 4枚式投影レンズシステム及びその投影装置 |
JP2017097968A (ja) | 2015-11-18 | 2017-06-01 | スタンレー電気株式会社 | 車両用灯具 |
JP2017146600A (ja) | 2016-02-16 | 2017-08-24 | ヴァレオ ビジョンValeo Vision | 少なくとも1つの光源を投射するためのレンズ系 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5212597A (en) * | 1990-10-25 | 1993-05-18 | Fuji Photo Optical Co., Ltd. | Projection lens system for projectors |
JPH07168095A (ja) * | 1993-12-16 | 1995-07-04 | Olympus Optical Co Ltd | トリプレットレンズ |
JPH0868935A (ja) | 1994-06-24 | 1996-03-12 | Konica Corp | トリプレットレンズを有するカメラ |
US7535649B2 (en) * | 2004-03-09 | 2009-05-19 | Tang Yin S | Motionless lens systems and methods |
JP6606862B2 (ja) * | 2015-05-18 | 2019-11-20 | スタンレー電気株式会社 | 車両用灯具 |
JP6556530B2 (ja) | 2015-07-02 | 2019-08-07 | 株式会社小糸製作所 | 車両用灯具 |
CN106468814B (zh) * | 2016-07-05 | 2019-05-28 | 玉晶光电(厦门)有限公司 | 光学镜片组 |
JP6443895B2 (ja) | 2017-09-14 | 2018-12-26 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 障害管理方法、仮想化ネットワーク機能マネージャ(vnfm)、及びプログラム |
-
2018
- 2018-02-22 JP JP2018029344A patent/JP7067955B2/ja active Active
-
2019
- 2019-02-19 US US16/278,877 patent/US10753563B2/en not_active Expired - Fee Related
- 2019-02-19 CN CN201910122261.3A patent/CN110186004B/zh active Active
- 2019-02-21 FR FR1901770A patent/FR3078138B1/fr active Active
- 2019-02-22 DE DE102019202434.3A patent/DE102019202434A1/de active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001124986A (ja) | 1999-10-26 | 2001-05-11 | Canon Inc | 画像読取レンズ及びそれを用いた画像読取装置 |
JP2008300095A (ja) | 2007-05-30 | 2008-12-11 | Olympus Imaging Corp | 投光範囲を変更可能な投光光学系及びそれを備えた投光装置 |
WO2009069468A1 (ja) | 2007-11-26 | 2009-06-04 | Konica Minolta Opto, Inc. | 撮像レンズ及び撮像装置 |
JP3165336U (ja) | 2010-04-30 | 2011-01-13 | 一品光学工業股▲ふん▼有限公司 | 4枚式投影レンズシステム及びその投影装置 |
JP2017097968A (ja) | 2015-11-18 | 2017-06-01 | スタンレー電気株式会社 | 車両用灯具 |
JP2017146600A (ja) | 2016-02-16 | 2017-08-24 | ヴァレオ ビジョンValeo Vision | 少なくとも1つの光源を投射するためのレンズ系 |
Also Published As
Publication number | Publication date |
---|---|
FR3078138A1 (fr) | 2019-08-23 |
JP2019145372A (ja) | 2019-08-29 |
CN110186004B (zh) | 2021-06-25 |
US10753563B2 (en) | 2020-08-25 |
FR3078138B1 (fr) | 2021-08-20 |
CN110186004A (zh) | 2019-08-30 |
US20190257492A1 (en) | 2019-08-22 |
DE102019202434A1 (de) | 2019-08-22 |
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