JP6483363B2 - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP6483363B2 JP6483363B2 JP2014140594A JP2014140594A JP6483363B2 JP 6483363 B2 JP6483363 B2 JP 6483363B2 JP 2014140594 A JP2014140594 A JP 2014140594A JP 2014140594 A JP2014140594 A JP 2014140594A JP 6483363 B2 JP6483363 B2 JP 6483363B2
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting element
- phosphor
- light
- power supply
- 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
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- 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
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Devices (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
119 ホール 130 光源部
131 基板 133 発光素子
150 反射体 160、160’ ミキシング空間
170、170’ 光励起部 190 電源提供部
195 導電性部材
Claims (5)
- 青色光を放出する青色発光素子と赤色光を放出する赤色発光素子とを含む光源部と、
前記光源部の上に配置され、前記青色発光素子及び前記赤色発光素子から離隔して配置され、少なくとも一つ以上の蛍光体を含む光励起部と、
前記光源部と電気的に連結され、前記青色発光素子及び前記赤色発光素子のオン/オフを制御する電源提供部と、
を含み、
前記電源提供部によって前記青色発光素子がオンになり、前記赤色発光素子がオフになると、前記光励起部から放出される光は、CIE 1931色度ダイアグラム上の特定領域内に配置され、
前記特定領域は3つの色座標をつなぐ領域であり、前記3つの色座標は(0.32、0.4)、(0.36、0.5)、及び(0.368、0.49)であり、
前記電源提供部によって前記青色発光素子及び前記赤色発光素子がオンになり、所定の駆動電流が前記電源提供部から前記赤色発光素子で提供されると、前記光励起部から放出される光は、CIE 1931色度ダイアグラム上の予め設定された目標色座標の範囲内に配置され、
前記光励起部の蛍光体は、537.5nmから542.5nmの範囲において中心波長を有する第2蛍光体と、547.5nmから552.5nmの範囲において中心波長を有する第3蛍光体と、を含み、
前記第2蛍光体のwt%は4.5以上7.5以下であり、
前記第3蛍光体のwt%は5.5以上8.5以下であり、
前記電源提供部から前記青色発光素子に印加される駆動電流は210mA以上230mA以下であり、前記赤色発光素子に印加される前記駆動電流は320mA以上340mA以下であり、
前記目標色座標の範囲はAnsi 3000Kである、照明装置。 - 前記青色発光素子は、430nmから480nmの範囲で中心波長を有し、
前記赤色発光素子は、600nmから650nmの範囲で中心波長を有する、請求項1に記載の照明装置。 - 前記光励起部の蛍光体は、557.5nmから562nmの範囲において中心波長を有する第1蛍光体を含む、請求項1又は2に記載の照明装置。
- 前記目標色座標の範囲は、前記CIE 1931色度ダイアグラム上の黒体輻射曲線上に位置するか、又は、前記黒体輻射曲線と隣接する、請求項1ないし3のいずれか一項に記載の照明装置。
- 前記光源部が配置された放熱体をさらに含み、
前記電源提供部は、前記放熱体の下、又は、前記放熱体の内部に配置され、
前記放熱体は、前記電源提供部と前記光源部とを電気的に連結する導電性部材が配置されるホールを有する、請求項1ないし4のいずれか一項に記載の照明装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130103580A KR102129780B1 (ko) | 2013-08-30 | 2013-08-30 | 조명 장치 |
KR10-2013-0103580 | 2013-08-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015050185A JP2015050185A (ja) | 2015-03-16 |
JP2015050185A5 JP2015050185A5 (ja) | 2017-08-10 |
JP6483363B2 true JP6483363B2 (ja) | 2019-03-13 |
Family
ID=51302623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014140594A Active JP6483363B2 (ja) | 2013-08-30 | 2014-07-08 | 照明装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9644825B2 (ja) |
EP (1) | EP2846609A3 (ja) |
JP (1) | JP6483363B2 (ja) |
KR (1) | KR102129780B1 (ja) |
CN (1) | CN104421711B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016021354A1 (ja) * | 2014-08-06 | 2016-02-11 | シャープ株式会社 | 発光装置、照明装置、および発光装置の製造方法 |
JP2017021994A (ja) * | 2015-07-10 | 2017-01-26 | パナソニックIpマネジメント株式会社 | 照明器具 |
WO2018192449A1 (zh) * | 2017-04-21 | 2018-10-25 | 苏州欧普照明有限公司 | 光源模组和照明装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4027164B2 (ja) | 2002-06-21 | 2007-12-26 | 株式会社日立製作所 | 表示装置 |
JP2007288138A (ja) * | 2006-03-24 | 2007-11-01 | Toshiba Lighting & Technology Corp | 発光装置 |
EP2052589A4 (en) * | 2006-04-18 | 2012-09-19 | Cree Inc | LIGHTING DEVICE AND METHOD |
US20080151143A1 (en) * | 2006-10-19 | 2008-06-26 | Intematix Corporation | Light emitting diode based backlighting for color liquid crystal displays |
JPWO2008093768A1 (ja) | 2007-02-01 | 2010-05-20 | パナソニック株式会社 | 蛍光ランプ、並びに蛍光ランプを用いた発光装置及び表示装置 |
JP2008218485A (ja) * | 2007-02-28 | 2008-09-18 | Toshiba Lighting & Technology Corp | 発光装置 |
AU2008321873A1 (en) | 2007-11-12 | 2009-05-22 | Mitsubishi Chemical Corporation | Illuminating Device |
EP2395568B1 (en) * | 2009-02-05 | 2018-04-04 | CCS Inc. | Led light emitting device |
JP5162554B2 (ja) | 2009-09-25 | 2013-03-13 | パナソニック株式会社 | 有機電界発光素子 |
CN102141210A (zh) * | 2010-02-01 | 2011-08-03 | 深圳市光峰光电技术有限公司 | 高显色指数高亮度照明设备及其实现多色温调节的方法 |
JP2011216868A (ja) * | 2010-03-16 | 2011-10-27 | Toshiba Lighting & Technology Corp | 発光装置及び照明装置 |
CN102261582A (zh) * | 2010-05-24 | 2011-11-30 | 台达电子工业股份有限公司 | 提高输出色彩显色性的单一封装发光二极管光源 |
US20120155076A1 (en) * | 2010-06-24 | 2012-06-21 | Intematix Corporation | Led-based light emitting systems and devices |
JP2012199218A (ja) | 2010-09-09 | 2012-10-18 | Mitsubishi Chemicals Corp | 発光装置、照明システム及び照明方法 |
CN102777778A (zh) * | 2011-05-13 | 2012-11-14 | 台达电子工业股份有限公司 | 发光装置、灯泡及其照明方法 |
TWI608284B (zh) * | 2012-09-07 | 2017-12-11 | 群創光電股份有限公司 | 顯示裝置及其製造方法 |
CN103292225A (zh) * | 2013-06-28 | 2013-09-11 | 深圳市华星光电技术有限公司 | 一种led背光光源 |
-
2013
- 2013-08-30 KR KR1020130103580A patent/KR102129780B1/ko active IP Right Grant
-
2014
- 2014-07-08 JP JP2014140594A patent/JP6483363B2/ja active Active
- 2014-07-16 US US14/332,806 patent/US9644825B2/en active Active
- 2014-07-21 EP EP14177830.8A patent/EP2846609A3/en not_active Withdrawn
- 2014-08-29 CN CN201410438025.XA patent/CN104421711B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP2015050185A (ja) | 2015-03-16 |
US9644825B2 (en) | 2017-05-09 |
EP2846609A3 (en) | 2015-11-04 |
CN104421711A (zh) | 2015-03-18 |
KR20150025667A (ko) | 2015-03-11 |
CN104421711B (zh) | 2019-07-12 |
EP2846609A2 (en) | 2015-03-11 |
KR102129780B1 (ko) | 2020-07-03 |
US20150062869A1 (en) | 2015-03-05 |
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