JP7364409B2 - 車両用ランプ - Google Patents
車両用ランプ Download PDFInfo
- Publication number
- JP7364409B2 JP7364409B2 JP2019174870A JP2019174870A JP7364409B2 JP 7364409 B2 JP7364409 B2 JP 7364409B2 JP 2019174870 A JP2019174870 A JP 2019174870A JP 2019174870 A JP2019174870 A JP 2019174870A JP 7364409 B2 JP7364409 B2 JP 7364409B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- section
- incident
- light emitting
- end surface
- 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
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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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- 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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
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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
- F21S41/30—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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
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- 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
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- 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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
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)
- Planar Illumination Modules (AREA)
Description
2 Hiユニット(ハイビームランプユニット)
3 EGユニット(エッジランプユニット:車両用ランプ)
4 光源
5 ライトガイド
6 光入射部
7 光偏向部(後端面)
8 光出射部(前端面、発光面)
41,42 第1LED,第2LED
51 側辺部
53 前端面
54 後端面
61~63 第1~第3光入射部
71~73 第1~第3反射面
HL ヘッドランプ
Claims (6)
- 発光色、光度、発光形態の少なくとも一つが相違する複数の光源と、光入射部から入射された前記光源の光を導光して光出射部から出射するライトガイドを備える車両用ランプであって、前記ライトガイドは板状に形成されており、一方の端面が光偏向部として構成され、この一方の端面に近接された部位に前記光入射部が構成され、他方の端面がランプ発光面としての光出射部として構成され、前記光偏向部から前記光出射部に向けて厚み寸法が低減されており、前記光偏向部は前記複数の光源の各光を前記光出射部の同一領域に向けて偏向するように構成されていることを特徴とする車両用ランプ。
- 前記光偏向部は前記ライトガイド内を導光される光を内面反射する反射面で構成される請求項1に記載の車両用ランプ。
- 前記光入射部は複数の光源の光を同一方向に向けて入射する構成であり、前記光偏向部は前記複数の光源の各光の入射方向に対して傾斜角度が相違する複数の反射面で構成される請求項2に記載の車両用ランプ。
- 前記複数の反射面は前記ライトガイドの光出射部の幅方向と同じ方向に配列される請求項3に記載の車両用ランプ。
- 前記光入射部から前記ライトガイドに入射される前記複数の光源の各光の幅寸法は、前記光出射部の幅寸法にほぼ等しい請求項4に記載の車両用ランプ。
- 前記光偏向部はランプの後方に向けられた前記ライトガイドの後端面であり、前記光出射部はランプの前方に向けられた前端面であり、前記光入射部は前記ライトガイドの前後方向に並んで配置された第1光入射部と第2光入射部を備え、前記複数の光源はこれら第1光入射部と第2光入射部に対向するように配置される請求項1ないし5のいずれかに記載の車両用ランプ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019174870A JP7364409B2 (ja) | 2019-09-26 | 2019-09-26 | 車両用ランプ |
US17/025,546 US11415286B2 (en) | 2019-09-26 | 2020-09-18 | Vehicle lamp |
CN202010997689.5A CN112555770B (zh) | 2019-09-26 | 2020-09-21 | 车辆用灯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019174870A JP7364409B2 (ja) | 2019-09-26 | 2019-09-26 | 車両用ランプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021051950A JP2021051950A (ja) | 2021-04-01 |
JP7364409B2 true JP7364409B2 (ja) | 2023-10-18 |
Family
ID=75041098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019174870A Active JP7364409B2 (ja) | 2019-09-26 | 2019-09-26 | 車両用ランプ |
Country Status (3)
Country | Link |
---|---|
US (1) | US11415286B2 (ja) |
JP (1) | JP7364409B2 (ja) |
CN (1) | CN112555770B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112443814B (zh) * | 2019-08-28 | 2024-08-30 | 法雷奥照明湖北技术中心有限公司 | 光导组件、车灯和车辆 |
FR3122131A1 (fr) * | 2021-04-26 | 2022-10-28 | Psa Automobiles Sa | Module d’illumination pour bloc optique d’éclairage et/ou de signalisation de véhicule automobile |
DE102022110007A1 (de) * | 2022-04-26 | 2023-10-26 | HELLA GmbH & Co. KGaA | Signalleuchte für Fahrzeuge sowie Verfahren |
WO2023238595A1 (ja) * | 2022-06-09 | 2023-12-14 | 株式会社小糸製作所 | 車輌用灯具 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017124296A1 (de) | 2017-10-18 | 2019-04-18 | Carl Zeiss Jena Gmbh | Leuchteinrichtung für Fahrzeuge |
JP2019110049A (ja) | 2017-12-19 | 2019-07-04 | 株式会社小糸製作所 | 車両用灯具 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4733009B2 (ja) * | 2006-01-30 | 2011-07-27 | 豊田合成株式会社 | 車両用灯具 |
CN101592303B (zh) * | 2008-05-28 | 2012-12-26 | 奥斯兰姆施尔凡尼亚公司 | 用于机动车后组合灯的后载式发光二极管模块 |
JP6203519B2 (ja) * | 2012-09-13 | 2017-09-27 | 株式会社小糸製作所 | 車両用灯具 |
JP5814302B2 (ja) * | 2013-06-18 | 2015-11-17 | 株式会社小糸製作所 | 車輌用灯具 |
FR3009064B1 (fr) * | 2013-07-25 | 2015-07-24 | Valeo Systemes Thermiques | Dispositif lumineux |
JP2015201278A (ja) | 2014-04-04 | 2015-11-12 | 株式会社小糸製作所 | 車両用灯具 |
AT515790B1 (de) * | 2014-06-11 | 2015-12-15 | Zizala Lichtsysteme Gmbh | Beleuchtungsvorrichtung für ein Kraftfahrzeug sowie Fahrzeugscheinwerfer mit Beleuchtungsvorrichtung |
US9316376B2 (en) * | 2014-08-05 | 2016-04-19 | Valeo North America, Inc. | Lighting and/or signaling device having improved light efficiency and dual color function |
JP6622965B2 (ja) * | 2015-01-06 | 2019-12-18 | 株式会社小糸製作所 | 車輌用灯具 |
AT518109B1 (de) * | 2016-01-14 | 2017-11-15 | Zkw Group Gmbh | Beleuchtungseinheit für einen Kraftfahrzeugscheinwerfer zum Erzeugen eines Lichtbündels mit Hell-Dunkel-Grenze |
JP7002235B2 (ja) | 2017-07-06 | 2022-02-04 | 株式会社小糸製作所 | 拡張反射面を備えたレンズ |
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2019
- 2019-09-26 JP JP2019174870A patent/JP7364409B2/ja active Active
-
2020
- 2020-09-18 US US17/025,546 patent/US11415286B2/en active Active
- 2020-09-21 CN CN202010997689.5A patent/CN112555770B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017124296A1 (de) | 2017-10-18 | 2019-04-18 | Carl Zeiss Jena Gmbh | Leuchteinrichtung für Fahrzeuge |
JP2019110049A (ja) | 2017-12-19 | 2019-07-04 | 株式会社小糸製作所 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
CN112555770B (zh) | 2023-06-02 |
JP2021051950A (ja) | 2021-04-01 |
CN112555770A (zh) | 2021-03-26 |
US20210095828A1 (en) | 2021-04-01 |
US11415286B2 (en) | 2022-08-16 |
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