JP2016100259A - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP2016100259A JP2016100259A JP2014237627A JP2014237627A JP2016100259A JP 2016100259 A JP2016100259 A JP 2016100259A JP 2014237627 A JP2014237627 A JP 2014237627A JP 2014237627 A JP2014237627 A JP 2014237627A JP 2016100259 A JP2016100259 A JP 2016100259A
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflecting surface
- emitted
- led
- light emitting
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 59
- 230000004907 flux Effects 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 abstract description 15
- 239000000758 substrate Substances 0.000 description 11
- 239000002131 composite material Substances 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- 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
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- 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
- F21V7/09—Optical design with a combination of different curvatures
-
- 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
- F21V7/048—Optical design with facets structure
-
- 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]
Abstract
【解決手段】LED2と対向する鏡面反射面21に、LED2の光軸Zとの交点Pを頂点としLED2の照射方向に向かって凹んで内側に膨らんだ略円錐面形状の第2反射面22と、第2反射面22の外側に位置し、LED素子3の位置を第1焦点F1の位置とすると共に光軸Z上の、光軸Zが鏡面反射面21と交差する交点と第1焦点F1との間の位置を第2焦点F2の位置とする、外側に向かって凹んだ凹面形状の第1反射面23と、第1反射面23の外側に位置し、LED2の照射方向に向かって光軸Zから離れる方向に直線状に傾斜した略逆円錐面形状の第3反射面24と、を備えた。
【選択図】図3
Description
2… LED
3… LED素子
4… 蛍光体樹脂
5… LED実装基板
6… 基板支持部材
7… 第1の疑似点光源
8… 第2の疑似点光源
10… 光路制御用カバー
10a… 円環状開口縁
10b… 円環状開口部
11… 側壁部
12… シェード
12a… 鏡面反射面
12b… 湾曲反射面
12c… 円柱反射面
13… 外嵌部
20… 光路制御部材
21… 金属鏡面反射面(鏡面反射面)
22… 第2鏡面反射面(第2反射面)
23… 第1鏡面反射面(第1反射面)
24… 第3鏡面反射面(第3反射面)
30… 本体部
31… 放熱フィン
32… ヒートシンク部
33… 支柱部
33a… 先端部
34… 貫通孔
50… 灯具
51… 複合反射面
51a… 反射面
52… マルチリフレクタ
53… ハウジング
60… フィラメント
Claims (5)
- 発光素子と、
前記発光素子の前方に配置された反射部材と、を有し、
前記反射部材は、
前方に向かって凹んだ凹反射面からなる第1反射面を備え、
前記第1反射面は、
前記発光素子の近傍に位置する第1の焦点と、
前記発光素子の光軸上かつ、前記反射部材と前記第1の焦点の間に位置する第2の焦点と、を有し、
前記発光素子からの出射光は、前記第1反射面で反射され一旦前記第2の焦点の位置に収束した後に、後方へと発散しながら進むことを特徴とする照明装置。 - 前記反射部材は、
前記光軸と前記反射部材との交点を頂点として前記発光素子側に拡径した略円錐面形状にて構成された第2反射面を備え、
前記第2反射面は、前記第1反射面よりも前記頂点側に形成されているとともに、前記第1反射面よりも後方側に突出した凸反射面となっていることを特徴とする請求項1に記載の照明装置。 - 前記反射部材は、
前記発光素子の照射方向に向かって前記光軸から離れる方向に直線状に傾斜した略逆円錐面形状を呈する第3反射面を備え、
前記第3反射面は、前記第1反射面よりも前記反射部材の外径側に形成されていることを特徴とする請求項2に記載の照明装置。 - 前記発光素子の側方及び斜め側方を覆うようにシェードが設けられていることを特徴とする請求項3に記載の照明装置。
- 前記第1反射面は前記発光素子から出射される全光束のうち約30%の光束が出射される立体角に対応する領域に形成され、前記第2反射面は前記発光素子から出射される全光束のうち約10%の光束が出射される立体角に対応する領域に形成され、前記第3反射面は前記発光素子から出射される全光束のうち約20%の光束が出射される立体角に対応する領域に形成されることを特徴とする請求項4又は請求項5に記載の照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014237627A JP6461569B2 (ja) | 2014-11-25 | 2014-11-25 | 照明装置 |
US14/951,747 US10006590B2 (en) | 2014-11-25 | 2015-11-25 | LED device and lighting fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014237627A JP6461569B2 (ja) | 2014-11-25 | 2014-11-25 | 照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016100259A true JP2016100259A (ja) | 2016-05-30 |
JP6461569B2 JP6461569B2 (ja) | 2019-01-30 |
Family
ID=56009819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014237627A Active JP6461569B2 (ja) | 2014-11-25 | 2014-11-25 | 照明装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10006590B2 (ja) |
JP (1) | JP6461569B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUA20162048A1 (it) * | 2016-03-25 | 2017-09-25 | Artemide Spa | Dispositivo di illuminazione |
US10344615B2 (en) | 2017-06-22 | 2019-07-09 | General Electric Company | Method and system for schedule predictive lead compensation |
US10288258B1 (en) * | 2017-12-31 | 2019-05-14 | Shih-Fu Huang | Lighting module |
DE102020203736A1 (de) | 2020-03-23 | 2021-09-23 | Osram Gmbh | Halbleiter-Retrofit-Fahrzeugscheinwerferlampe |
DE102020203733A1 (de) * | 2020-03-23 | 2021-09-23 | Osram Gmbh | Reflektoroptik für eine Fahrzeug-Retrofit-Scheinwerferlampe |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006100132A (ja) * | 2004-09-29 | 2006-04-13 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2011009021A (ja) * | 2009-06-25 | 2011-01-13 | Takion Co Ltd | Led電灯装置 |
JP2011023299A (ja) * | 2009-07-17 | 2011-02-03 | Car Mate Mfg Co Ltd | Led光源 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1867502A (en) * | 1930-03-07 | 1932-07-12 | Karl A Edstrom | Light reflector |
US2892076A (en) * | 1957-08-28 | 1959-06-23 | Moos Kaspar | Lighting fittings |
US3745325A (en) * | 1971-08-17 | 1973-07-10 | Eastman Kodak Co | Photographic light |
US4755916A (en) * | 1981-07-23 | 1988-07-05 | Collins Dynamics | Combined flood and spot light |
JP3132530B2 (ja) * | 1992-01-20 | 2001-02-05 | 株式会社デンソー | 光源装置 |
US5412543A (en) * | 1992-02-28 | 1995-05-02 | Koito Manufacturing Co., Ltd. | Variable light distribution type headlamp |
JPH07159897A (ja) * | 1993-12-07 | 1995-06-23 | Nippondenso Co Ltd | 光源装置 |
US5921666A (en) * | 1997-03-04 | 1999-07-13 | Thomas Lighting | Ellipsoidal slot light |
EP1150060B1 (en) * | 2000-04-25 | 2009-08-12 | Ichikoh Industries Limited | Vehicular headlamp system |
JP4083516B2 (ja) * | 2002-09-03 | 2008-04-30 | 株式会社小糸製作所 | 車両用前照灯 |
JP4002159B2 (ja) * | 2002-09-03 | 2007-10-31 | 株式会社小糸製作所 | 車両用前照灯 |
JP5354209B2 (ja) | 2010-01-14 | 2013-11-27 | 東芝ライテック株式会社 | 電球形ランプおよび照明器具 |
JP4689762B1 (ja) | 2010-03-11 | 2011-05-25 | 株式会社 Flat out | Ledバルブ |
EP2667087B1 (en) * | 2012-05-24 | 2014-10-15 | Goodrich Lighting Systems GmbH | Aerospace ground maneuver light |
ITRM20120265A1 (it) * | 2012-06-07 | 2013-12-08 | Consiglio Nazionale Ricerche | Dispositivo di illuminazione comprendente una schiera di sorgenti optoelettroniche |
-
2014
- 2014-11-25 JP JP2014237627A patent/JP6461569B2/ja active Active
-
2015
- 2015-11-25 US US14/951,747 patent/US10006590B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006100132A (ja) * | 2004-09-29 | 2006-04-13 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2011009021A (ja) * | 2009-06-25 | 2011-01-13 | Takion Co Ltd | Led電灯装置 |
JP2011023299A (ja) * | 2009-07-17 | 2011-02-03 | Car Mate Mfg Co Ltd | Led光源 |
Also Published As
Publication number | Publication date |
---|---|
US10006590B2 (en) | 2018-06-26 |
US20160146431A1 (en) | 2016-05-26 |
JP6461569B2 (ja) | 2019-01-30 |
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