JP6696793B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP6696793B2 JP6696793B2 JP2016032738A JP2016032738A JP6696793B2 JP 6696793 B2 JP6696793 B2 JP 6696793B2 JP 2016032738 A JP2016032738 A JP 2016032738A JP 2016032738 A JP2016032738 A JP 2016032738A JP 6696793 B2 JP6696793 B2 JP 6696793B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- cuts
- light guide
- guide lens
- lens
- 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.)
- Active
Links
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010437 gem Substances 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
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
- 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
- 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
-
- 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
-
- 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
- F21S43/247—Light guides with a single light source being coupled into the light guide
-
- 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
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- 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
- F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
- F21S43/31—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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- 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
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
前記導光レンズの少なくとも反出射面には、光を拡散させる複数のフルートカットと、光を反射させる複数のプリズムカットを形成しており、前記複数のフルートカットは、前記導光レンズの長手方向と交差する方向に延びる凹状の半円柱形状を有し、該複数のフルートカットが前記反出射面に所定のピッチに並んで配置されており、前記複数のプリズムカットは、前記導光レンズの長手方向における断面が凸状の三角形形状を有し、該長手方向と交差する方向における断面が凸状の台形形状を有しており、前記凸状の複数のプリズムカットは、大小の形状に形成され、前記反出射面にランダムに配置されることを特徴とする。
2 ハウジング
3 アウタレンズ
4 灯室
5 LED(光源)
6 導光レンズ
6A 導光レンズの入光部
6a 導光レンズの入射面
6b 導光レンズの反射カット
6c 導光レンズのフルートカット
6d,6e 導光レンズのプリズムカット
7 インナレンズ
7a,7b インナレンズのフルートカット
8 リフレクタ
8A リフレクタの膨出部
8a リフレクタの孔
8b リフレクタのフルートカット
9 エクステンション
10 LEDソケット
11 ブラケット
12 基板
13 シェード
L1〜L3 光
Claims (4)
- ハウジングとその開口部を覆うアウタレンズによって画成された灯室内に、光源と、該光源から入射する光を出射面から出射させることによって発光する導光レンズを収容して成る車両用灯具において、
前記導光レンズの少なくとも反出射面には、光を拡散させる複数のフルートカットと、光を反射させる複数のプリズムカットを形成しており、
前記複数のフルートカットは、前記導光レンズの長手方向と交差する方向に延びる凸状の半円柱形状を有し、該複数のフルートカットが前記反出射面に所定のピッチに並んで配置されており、
前記複数のプリズムカットは、前記導光レンズの長手方向における断面が凹状の三角形形状を有し、該長手方向と交差する方向における断面が凹状の台形形状を有しており、
前記凹状の複数のプリズムカットは、大小の形状に形成され、前記反出射面にランダムに配置されることを特徴とする車両用灯具。 - ハウジングとその開口部を覆うアウタレンズによって画成された灯室内に、光源と、該光源から入射する光を出射面から出射させることによって発光する導光レンズを収容して成る車両用灯具において、
前記導光レンズの少なくとも反出射面には、光を拡散させる複数のフルートカットと、光を反射させる複数のプリズムカットを形成しており、
前記複数のフルートカットは、前記導光レンズの長手方向と交差する方向に延びる凹状の半円柱形状を有し、該複数のフルートカットが前記反出射面に所定のピッチに並んで配置されており、
前記複数のプリズムカットは、前記導光レンズの長手方向における断面が凸状の三角形形状を有し、該長手方向と交差する方向における断面が凸状の台形形状を有しており、
前記凸状の複数のプリズムカットは、大小の形状に形成され、前記反出射面にランダムに配置されることを特徴とする車両用灯具。 - 前記導光レンズの光出射方向前方にインナレンズを配置し、該インナレンズの表面と裏面に光拡散用の複数のフルートカットを形成したことを特徴とする請求項1又は2記載の車両用灯具。
- 前記フルートカットは、半多角柱状を成し、前記インナレンズの表面又は裏面のみ或いは表面と裏面の双方に形成されていることを特徴とする請求項3記載の車両用灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016032738A JP6696793B2 (ja) | 2016-02-24 | 2016-02-24 | 車両用灯具 |
US15/436,302 US10174902B2 (en) | 2016-02-24 | 2017-02-17 | Vehicle lighting fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016032738A JP6696793B2 (ja) | 2016-02-24 | 2016-02-24 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017152171A JP2017152171A (ja) | 2017-08-31 |
JP6696793B2 true JP6696793B2 (ja) | 2020-05-20 |
Family
ID=59629766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016032738A Active JP6696793B2 (ja) | 2016-02-24 | 2016-02-24 | 車両用灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10174902B2 (ja) |
JP (1) | JP6696793B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7202822B2 (ja) * | 2017-09-13 | 2023-01-12 | スタンレー電気株式会社 | 車両用灯具 |
JP7034750B2 (ja) * | 2018-02-09 | 2022-03-14 | スタンレー電気株式会社 | 車両用灯具 |
FR3078140B1 (fr) * | 2018-02-19 | 2020-09-11 | Automotive Lighting Rear Lamps France | Dispositif de signalisation de securite attractive pour un vehicule automobile |
JP7165523B2 (ja) * | 2018-07-10 | 2022-11-04 | 株式会社小糸製作所 | 車両用灯具 |
JP7140446B2 (ja) | 2018-07-23 | 2022-09-21 | スタンレー電気株式会社 | 車両用灯具 |
JP7205193B2 (ja) * | 2018-11-22 | 2023-01-17 | マツダ株式会社 | 車両用灯具 |
CN109780503A (zh) * | 2018-12-26 | 2019-05-21 | 马瑞利汽车零部件(芜湖)有限公司 | 实现环形点亮效果的光导 |
ES2850356A1 (es) * | 2020-02-26 | 2021-08-27 | Seat Sa | Guia de luz y sistema de iluminacion con guia de luz |
US11639781B1 (en) | 2022-02-11 | 2023-05-02 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vehicle trailer hitch illumination system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8333493B2 (en) * | 2009-04-03 | 2012-12-18 | North American Lighting, Inc. | Dual-direction light pipe for automotive lighting |
JP2013045671A (ja) * | 2011-08-25 | 2013-03-04 | Stanley Electric Co Ltd | 車両用灯具 |
JP6039333B2 (ja) * | 2012-09-25 | 2016-12-07 | スタンレー電気株式会社 | 車両用灯具 |
FR2995977B1 (fr) * | 2012-09-26 | 2019-06-28 | Valeo Vision | Guide de lumiere pour un dispositif d'eclairage et/ou de signalisation de vehicule automobile |
JP5995699B2 (ja) * | 2012-12-07 | 2016-09-21 | 株式会社小糸製作所 | 車両用灯具 |
JP6185082B2 (ja) * | 2013-01-11 | 2017-08-23 | マルチタッチ オーユーMultitouch Oy | ディスプレイパネルのための直下型バックライトの拡散 |
CN104848052A (zh) * | 2014-02-13 | 2015-08-19 | 扬升照明股份有限公司 | 背光模块 |
JP2016046120A (ja) * | 2014-08-25 | 2016-04-04 | スタンレー電気株式会社 | 車両用灯具 |
-
2016
- 2016-02-24 JP JP2016032738A patent/JP6696793B2/ja active Active
-
2017
- 2017-02-17 US US15/436,302 patent/US10174902B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10174902B2 (en) | 2019-01-08 |
JP2017152171A (ja) | 2017-08-31 |
US20170241616A1 (en) | 2017-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6696793B2 (ja) | 車両用灯具 | |
KR101061409B1 (ko) | 램프 | |
JP2012190762A (ja) | 車両用灯具 | |
JP2008186786A (ja) | Led灯具ユニット | |
JP2012064533A (ja) | 車両用灯具 | |
JP4533333B2 (ja) | 車両用灯具 | |
JP2008103273A (ja) | 車両用灯具 | |
JP6659348B2 (ja) | ウインドウリアランプ | |
JP2016119283A (ja) | 車両用灯具 | |
JP6221438B2 (ja) | 車両用灯具 | |
JP2017183231A (ja) | 灯具 | |
JP6793494B2 (ja) | 車両用灯具 | |
JP2019050132A (ja) | 車両用灯具 | |
JP2015008111A (ja) | 線状導光体を用いた複合ランプユニットおよび車両用灯具 | |
JP2017168335A (ja) | 車両用灯具 | |
JP5278209B2 (ja) | 車両用灯具 | |
JP5771577B2 (ja) | 車両用灯具 | |
JP2017174628A (ja) | 車両用灯具 | |
JP2019139932A (ja) | 車両用灯具 | |
JP2016119219A (ja) | 車両用灯具 | |
KR200483959Y1 (ko) | 차량용 램프 | |
KR200482997Y1 (ko) | 자동차의 조명 장치 | |
JP7390249B2 (ja) | 車両用灯具 | |
JP5937339B2 (ja) | 車両用信号灯具 | |
JP5278208B2 (ja) | 車両用灯具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20180712 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190111 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190911 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191015 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191216 |
|
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: 20200414 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200423 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6696793 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |