JP2017016928A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2017016928A JP2017016928A JP2015133972A JP2015133972A JP2017016928A JP 2017016928 A JP2017016928 A JP 2017016928A JP 2015133972 A JP2015133972 A JP 2015133972A JP 2015133972 A JP2015133972 A JP 2015133972A JP 2017016928 A JP2017016928 A JP 2017016928A
- Authority
- JP
- Japan
- Prior art keywords
- projection lens
- lens
- light
- lenses
- distribution pattern
- 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
- F21S41/29—Attachment thereof
- F21S41/295—Attachment thereof specially adapted to 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]
- 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
- F21S41/10—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]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
-
- 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
- F21S41/30—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
- F21S41/36—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
- F21S41/40—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
- 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
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- 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
- F21V5/04—Refractors for light sources of lens shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
-
- 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
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
投影レンズとこの投影レンズの後方に配置された光源とを備え、上記光源からの光を上記投影レンズを介して前方へ照射するように構成された車両用灯具において、
上記投影レンズは、車両前後方向に延びる光軸上に配置された複数枚のレンズで構成されており、
上記投影レンズの後側主面は、該投影レンズの後側焦点を中心とする球面よりも大きい曲率を有する凸曲面で構成されている、ことを特徴とするものである。
12 透光カバー
20、102、104 投影レンズ
22、24 レンズ
22a、24a、102a 前面
22b、24b、102b 後面
26 筒状ホルダ
26A 第1ホルダ
26B 第2ホルダ
26C 第3ホルダ
26a 開口部
28 反射防止膜
30、130 発光素子(光源)
30a、130a 発光面
40 リフレクタ
40a 反射面
50、150 ベース部材
50a 上向き反射面
50a1 前端縁
Ax 光軸
B1、B2 ボケ
C1、C2 コマ収差
CL1 下段カットオフライン
CL2 上段カットオフライン
E エルボ点
F 後側焦点
HZH,HZL ホットゾーン
PH ハイビーム用配光パターン
PHa、PLa 左右両端部
PL ロービーム用配光パターン
Pr、Pr1、Pr2 後側主面
R1 半径
R2 曲率半径
S1、S2 球面
Claims (5)
- 投影レンズとこの投影レンズの後方に配置された光源とを備え、上記光源からの光を上記投影レンズを介して前方へ照射するように構成された車両用灯具において、
上記投影レンズは、車両前後方向に延びる光軸上に配置された複数枚のレンズで構成されており、
上記投影レンズの後側主面は、該投影レンズの後側焦点を中心とする球面よりも大きい曲率を有する凸曲面で構成されている、ことを特徴とする車両用灯具。 - 上記複数枚のレンズのうち最前部に位置するレンズの前面は、上記光軸上の曲率が0.002〜0.01(1/mm)の範囲内の値に設定された凸曲面で構成されている、ことを特徴とする請求項1記載の車両用灯具。
- 上記最前部に位置するレンズは、両凸レンズ状に形成されている、ことを特徴とする請求項2記載の車両用灯具。
- 上記複数枚のレンズの各表面のうち、最前部に位置するレンズの前面および最後部に位置するレンズの後面以外の各表面に、光反射抑制処理が施されている、ことを特徴とする請求項1〜3いずれか記載の車両用灯具。
- 上記複数枚のレンズは、共通の筒状ホルダに支持されており、
上記筒状ホルダの周面部に開口部が形成されている、ことを特徴とする請求項1〜4いずれか記載の車両用灯具。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015133972A JP6556530B2 (ja) | 2015-07-02 | 2015-07-02 | 車両用灯具 |
CN201610487337.9A CN106322271B (zh) | 2015-07-02 | 2016-06-28 | 车辆用灯具 |
DE102016211892.7A DE102016211892A1 (de) | 2015-07-02 | 2016-06-30 | Fahrzeugleuchte |
FR1656164A FR3038362B1 (fr) | 2015-07-02 | 2016-06-30 | Lampe de vehicule |
US15/200,758 US10234096B2 (en) | 2015-07-02 | 2016-07-01 | Vehicle lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015133972A JP6556530B2 (ja) | 2015-07-02 | 2015-07-02 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017016928A true JP2017016928A (ja) | 2017-01-19 |
JP6556530B2 JP6556530B2 (ja) | 2019-08-07 |
Family
ID=57582904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015133972A Active JP6556530B2 (ja) | 2015-07-02 | 2015-07-02 | 車両用灯具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10234096B2 (ja) |
JP (1) | JP6556530B2 (ja) |
CN (1) | CN106322271B (ja) |
DE (1) | DE102016211892A1 (ja) |
FR (1) | FR3038362B1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019202434A1 (de) | 2018-02-22 | 2019-08-22 | Koito Manufacturing Co., Ltd. | Fahrzeugleuchte |
WO2022124186A1 (ja) * | 2020-12-09 | 2022-06-16 | 株式会社小糸製作所 | レンズ構造 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3056698B1 (fr) * | 2016-09-26 | 2019-06-28 | Valeo Vision | Module lumineux pour vehicule automobile |
WO2021157495A1 (ja) * | 2020-02-07 | 2021-08-12 | 株式会社小糸製作所 | 灯具ユニット |
DE102020118455A1 (de) | 2020-07-13 | 2022-01-13 | Marelli Automotive Lighting Reutlingen (Germany) GmbH | Objektivbaugruppe für ein Lichtmodul eines Kraftfahrzeugscheinwerfers |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0954287A (ja) * | 1995-08-15 | 1997-02-25 | Sony Corp | 手振れ補正光学装置 |
JP2002286987A (ja) * | 2001-03-23 | 2002-10-03 | Kanto Tatsumi Denshi Kk | 鏡筒内に二つ以上のレンズを位置決め固定する方法及び該方法を適用した光学機器 |
JP2008016382A (ja) * | 2006-07-07 | 2008-01-24 | Koito Mfg Co Ltd | 車両用灯具 |
JP2015053117A (ja) * | 2013-09-05 | 2015-03-19 | 株式会社小糸製作所 | 車輌用灯具及び光学体 |
JP2017010789A (ja) * | 2015-06-23 | 2017-01-12 | スタンレー電気株式会社 | 車両用灯具 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2171640A (en) * | 1936-08-15 | 1939-09-05 | Leitz Ernst Gmbh | Photographic objective |
US2887566A (en) * | 1952-11-14 | 1959-05-19 | Marks Polarized Corp | Glare-eliminating optical system |
DE3430273A1 (de) * | 1984-08-17 | 1986-02-27 | Robert Bosch Gmbh, 7000 Stuttgart | Scheinwerfer fuer abblendlicht oder nebellicht von kraftfahrzeugen |
DE3505771A1 (de) | 1985-02-20 | 1986-08-21 | Helmut Hund GmbH, 6330 Wetzlar | Beleuchtungssystem fuer dia-projektoren |
JP4055695B2 (ja) | 2003-10-28 | 2008-03-05 | 松下電器産業株式会社 | ヒートポンプ給湯装置 |
CN100532922C (zh) * | 2005-10-27 | 2009-08-26 | 财团法人车辆研究测试中心 | 供led头灯组用的小型化led照明模组 |
DE102006057731B4 (de) * | 2005-12-07 | 2015-10-08 | Koito Manufacturing Co., Ltd. | Fahrzeugleuchte |
JP5366673B2 (ja) | 2009-06-17 | 2013-12-11 | キヤノン株式会社 | 光学系及びそれを有する光学機器 |
DE102010029176A1 (de) * | 2009-10-05 | 2012-12-27 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugscheinwerfer mit einem Halbleiterlichtquellen, eine Primäroptik und eine Sekundäroptik aufweisenden Lichtmodul |
CN201706353U (zh) * | 2010-05-28 | 2011-01-12 | 帝宝工业股份有限公司 | 车用光学模块 |
DE102010046626B4 (de) * | 2010-09-16 | 2013-05-16 | Automotive Lighting Reutlingen Gmbh | Farbkorrigierende Projektionsoptik für ein Lichtmodul eines Kraftfahrzeug-Scheinwerfers |
DE102011004086C5 (de) * | 2011-02-14 | 2016-07-14 | Automotive Lighting Reutlingen Gmbh | Verfahren zur Herstellung einer farbkorrigierenden Projektionsoptik |
JP5909419B2 (ja) | 2012-07-24 | 2016-04-26 | スタンレー電気株式会社 | プロジェクタ型前照灯 |
-
2015
- 2015-07-02 JP JP2015133972A patent/JP6556530B2/ja active Active
-
2016
- 2016-06-28 CN CN201610487337.9A patent/CN106322271B/zh active Active
- 2016-06-30 FR FR1656164A patent/FR3038362B1/fr not_active Expired - Fee Related
- 2016-06-30 DE DE102016211892.7A patent/DE102016211892A1/de not_active Withdrawn
- 2016-07-01 US US15/200,758 patent/US10234096B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0954287A (ja) * | 1995-08-15 | 1997-02-25 | Sony Corp | 手振れ補正光学装置 |
JP2002286987A (ja) * | 2001-03-23 | 2002-10-03 | Kanto Tatsumi Denshi Kk | 鏡筒内に二つ以上のレンズを位置決め固定する方法及び該方法を適用した光学機器 |
JP2008016382A (ja) * | 2006-07-07 | 2008-01-24 | Koito Mfg Co Ltd | 車両用灯具 |
JP2015053117A (ja) * | 2013-09-05 | 2015-03-19 | 株式会社小糸製作所 | 車輌用灯具及び光学体 |
JP2017010789A (ja) * | 2015-06-23 | 2017-01-12 | スタンレー電気株式会社 | 車両用灯具 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019202434A1 (de) | 2018-02-22 | 2019-08-22 | Koito Manufacturing Co., Ltd. | Fahrzeugleuchte |
US10753563B2 (en) | 2018-02-22 | 2020-08-25 | Koito Manufacturing Co., Ltd. | Vehicle lamp |
WO2022124186A1 (ja) * | 2020-12-09 | 2022-06-16 | 株式会社小糸製作所 | レンズ構造 |
Also Published As
Publication number | Publication date |
---|---|
US10234096B2 (en) | 2019-03-19 |
CN106322271A (zh) | 2017-01-11 |
CN106322271B (zh) | 2019-03-22 |
JP6556530B2 (ja) | 2019-08-07 |
DE102016211892A1 (de) | 2017-01-05 |
FR3038362A1 (fr) | 2017-01-06 |
FR3038362B1 (fr) | 2019-04-05 |
US20170002991A1 (en) | 2017-01-05 |
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