JP5008547B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP5008547B2 JP5008547B2 JP2007334804A JP2007334804A JP5008547B2 JP 5008547 B2 JP5008547 B2 JP 5008547B2 JP 2007334804 A JP2007334804 A JP 2007334804A JP 2007334804 A JP2007334804 A JP 2007334804A JP 5008547 B2 JP5008547 B2 JP 5008547B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- horizontal line
- led lamp
- lamp
- reflecting 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.)
- Active
Links
- 230000007423 decrease Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method 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
- F21S43/10—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
- F21S43/15—Strips of light sources
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
-
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
2、12…反射面
3、13、23…LEDランプ
3a、13a、23a…前側LEDランプ
3b、13b、23b…後側LEDランプ
23c…中央LEDランプ
Claims (3)
- 直交する交点を有する水平線と垂直線とを想定し、前記交点から前記垂直線上の上下方向の2点と、水平線上の1点に2fの距離を設定して、焦点Fが前記交点に存在し係数が0.5で、焦点距離fを有する放物線を得ると共に、前記放物線の前記水平線から下半部の曲面を前記水平線で平行移動させることで放物柱面を形成し、この放物柱面の凹面側を反射面とすると共に、略前記焦点距離fの間隔を有する少なくとも2個のLEDを1組とした光源を前記焦点Fを略中心とし前記水平線と平行方向で且つ発光面を下向きとして設置したことを特徴とする車両用灯具。
- 前記光源は複数組が前記水平線と平行としてほぼ等間隔に設けられていることを特徴とする請求項1記載の車両用灯具。
- 前記光源は3個のLEDをもって1組とされ、中心のLEDが前記焦点と一致して設置されていることを特徴とする請求項1又は請求項2に記載の車両用灯具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007334804A JP5008547B2 (ja) | 2007-12-26 | 2007-12-26 | 車両用灯具 |
US12/345,402 US7997778B2 (en) | 2007-12-26 | 2008-12-29 | Vehicle light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007334804A JP5008547B2 (ja) | 2007-12-26 | 2007-12-26 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009158276A JP2009158276A (ja) | 2009-07-16 |
JP5008547B2 true JP5008547B2 (ja) | 2012-08-22 |
Family
ID=40798135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007334804A Active JP5008547B2 (ja) | 2007-12-26 | 2007-12-26 | 車両用灯具 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7997778B2 (ja) |
JP (1) | JP5008547B2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010045847A1 (de) * | 2010-09-17 | 2012-03-22 | Automotive Lighting Reutlingen Gmbh | Refelxionsmodul eines Kraftfahrzeug-Scheinwerfers |
JP5869223B2 (ja) * | 2011-02-09 | 2016-02-24 | 株式会社小糸製作所 | 車両用前照灯 |
DE112012005601T5 (de) | 2012-03-06 | 2015-01-22 | Mitsubishi Electric Corporation | Lichtquelle für einen Scheinwerfer und Scheinwerfer |
JP5958017B2 (ja) * | 2012-03-30 | 2016-07-27 | 岩崎電気株式会社 | 光源ユニット及び光源装置 |
JP5944785B2 (ja) * | 2012-08-07 | 2016-07-05 | スタンレー電気株式会社 | 車両用灯具 |
JP5940422B2 (ja) * | 2012-09-27 | 2016-06-29 | スタンレー電気株式会社 | 車両用灯具 |
JP6146995B2 (ja) * | 2012-12-03 | 2017-06-14 | 株式会社小糸製作所 | 車両用灯具 |
FR3009367B1 (fr) * | 2013-08-05 | 2018-06-15 | Valeo Vision | Dispositif optique et systeme de signalisation et/ou d'eclairage |
US10060593B2 (en) | 2013-08-08 | 2018-08-28 | Koninklijke Philips N.V. | Universal daytime running lamp for automotive vehicles |
FR3022608B1 (fr) * | 2014-06-19 | 2018-07-20 | Psa Automobiles Sa. | Dispositif d'eclairage et/ou de signalisation generant une lumiere homogene sur un ecran |
JP6094663B2 (ja) * | 2015-02-27 | 2017-03-15 | 日亜化学工業株式会社 | 発光装置 |
FR3056489A1 (fr) * | 2016-09-26 | 2018-03-30 | Valeo Vision Belgique | Feu de signalisation pour vehicule automobile pourvu d'un indicateur lumineux affichant un niveau de charge de batterie |
JP6914584B2 (ja) * | 2016-12-27 | 2021-08-04 | ダイハツ工業株式会社 | 灯具 |
US10704757B2 (en) * | 2018-10-19 | 2020-07-07 | Valeo North America, Inc. | Lighting unit for automotive headlamp |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598342A (en) * | 1984-07-09 | 1986-07-01 | Gte Products Corporation | Low wattage double filament tungsten-halogen lamp |
FR2694373B1 (fr) * | 1992-07-30 | 1994-11-04 | Valeo Vision | Projecteur de véhicule automobile comportant une lampe à deux filaments pour engendrer sélectivement un faisceau antibrouillard et un faisceau de route. |
US5578893A (en) * | 1993-11-16 | 1996-11-26 | Piaa Corporation | Bulb for vehicular lighting equipment |
JP4057090B2 (ja) * | 1996-06-06 | 2008-03-05 | 本田技研工業株式会社 | 車両用電球 |
FR2760070B1 (fr) * | 1997-02-21 | 1999-05-28 | Valeo Vision | Projecteur comportant une lampe a deux filaments pour engendrer un faisceau coupe et un faisceau non coupe |
DE19946297A1 (de) * | 1999-09-28 | 2001-04-12 | Philips Corp Intellectual Pty | Glühlampe |
JP4010084B2 (ja) * | 1999-10-21 | 2007-11-21 | 市光工業株式会社 | 小型光源モジュール及び光源ユニット |
JP4089866B2 (ja) * | 2001-10-12 | 2008-05-28 | スタンレー電気株式会社 | 投光ユニットおよび該投光ユニットを具備するled車両用照明灯具 |
JP2004311101A (ja) * | 2003-04-03 | 2004-11-04 | Koito Mfg Co Ltd | 車両用前照灯及び半導体発光素子 |
JP4115921B2 (ja) * | 2003-11-04 | 2008-07-09 | 株式会社小糸製作所 | 車両用前照灯 |
JP2005150037A (ja) * | 2003-11-19 | 2005-06-09 | Sony Corp | 面状照明装置及びこれを用いた表示装置 |
JP4786420B2 (ja) * | 2006-05-31 | 2011-10-05 | 株式会社小糸製作所 | 車両用灯具ユニット |
-
2007
- 2007-12-26 JP JP2007334804A patent/JP5008547B2/ja active Active
-
2008
- 2008-12-29 US US12/345,402 patent/US7997778B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20090168446A1 (en) | 2009-07-02 |
JP2009158276A (ja) | 2009-07-16 |
US7997778B2 (en) | 2011-08-16 |
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