WO2008084771A1 - 発光装置および発光装置の駆動方法 - Google Patents

発光装置および発光装置の駆動方法 Download PDF

Info

Publication number
WO2008084771A1
WO2008084771A1 PCT/JP2008/050022 JP2008050022W WO2008084771A1 WO 2008084771 A1 WO2008084771 A1 WO 2008084771A1 JP 2008050022 W JP2008050022 W JP 2008050022W WO 2008084771 A1 WO2008084771 A1 WO 2008084771A1
Authority
WO
WIPO (PCT)
Prior art keywords
light emitting
emitting device
driving
emitting diode
color temperature
Prior art date
Application number
PCT/JP2008/050022
Other languages
English (en)
French (fr)
Inventor
Takaki Yasuda
Original Assignee
Showa Denko K.K.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Showa Denko K.K. filed Critical Showa Denko K.K.
Priority to US12/515,478 priority Critical patent/US8188670B2/en
Publication of WO2008084771A1 publication Critical patent/WO2008084771A1/ja

Links

Classifications

    • 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
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/42—Antiparallel configurations
    • 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
    • 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]
    • H05B45/30—Driver circuits

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of El Displays (AREA)

Abstract

　任意の色温度の光を発光させることが可能な発光装置および発光装置の駆動方法が提供される。そのような発光装置は、互いに逆極性となるように並列接続された一方および他方の発光ダイオード装置２、３と、極性反転が自在な定電流電源装置４とからなり、一方の発光ダイオード装置２の色温度が、発光ダイオード装置３の色温度より高く設定されていることを特徴とする。
PCT/JP2008/050022 2007-01-11 2008-01-07 発光装置および発光装置の駆動方法 WO2008084771A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/515,478 US8188670B2 (en) 2007-01-11 2008-01-07 Light emitting device and method for driving light emitting device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-003253 2007-01-11
JP2007003253A JP2008171984A (ja) 2007-01-11 2007-01-11 発光装置および発光装置の駆動方法

Publications (1)

Publication Number Publication Date
WO2008084771A1 true WO2008084771A1 (ja) 2008-07-17

Family

ID=39608660

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050022 WO2008084771A1 (ja) 2007-01-11 2008-01-07 発光装置および発光装置の駆動方法

Country Status (4)

Country Link
US (1) US8188670B2 (ja)
JP (1) JP2008171984A (ja)
TW (1) TW200849664A (ja)
WO (1) WO2008084771A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010103480A2 (en) 2009-03-12 2010-09-16 Koninklijke Philips Electronics N.V. Led lighting with incandescent lamp color temperature behavior
WO2011093395A1 (ja) * 2010-01-29 2011-08-04 三菱化学株式会社 白色ｌｅｄ発光デバイスの調光装置，及び照明システム
WO2011126106A1 (ja) * 2010-04-09 2011-10-13 三菱化学株式会社 調光装置、及びｌｅｄ照明システム
US20110291129A1 (en) * 2008-11-14 2011-12-01 Osram Opto Semiconductors Gmbh Optoelectronic device
EP2157833A3 (en) * 2008-08-21 2016-11-16 Delphi Technologies, Inc. Low-cost drive system for a led triad

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101562373B1 (ko) 2008-10-21 2015-10-23 서울바이오시스 주식회사 지연형광체를 구비하는 교류용 발광소자
KR101562374B1 (ko) * 2008-11-03 2015-10-23 서울바이오시스 주식회사 교류용 발광 소자 모듈
JP2010103522A (ja) * 2008-10-21 2010-05-06 Seoul Opto Devices Co Ltd 遅延蛍光体を備える交流駆動型の発光素子及び発光素子モジュール
US8259770B2 (en) * 2009-10-11 2012-09-04 Hewlett-Packard Indigo B.V. Laser array
US20110211339A1 (en) * 2010-02-26 2011-09-01 Qing Rong Technology Inc. Light emitter diode module
JP5807195B2 (ja) 2010-04-08 2015-11-10 パナソニックＩｐマネジメント株式会社 発光装置
JP5618220B2 (ja) * 2010-11-12 2014-11-05 東芝ライテック株式会社 Ｌｅｄ点灯装置およびｌｅｄ照明装置
JP2012113911A (ja) * 2010-11-24 2012-06-14 Panasonic Corp Ｌｅｄ点灯回路
US20130106305A1 (en) * 2011-02-14 2013-05-02 Bradford K. Whitaker Light emitting apparatus and method of manufacturing and using the same
US20120206065A1 (en) * 2011-02-14 2012-08-16 Whitaker Bradford K Light emitting apparatus and method of manufacturing and using the same
JP5828067B2 (ja) * 2011-04-04 2015-12-02 パナソニックＩｐマネジメント株式会社 半導体発光素子の点灯装置およびそれを用いた照明器具
WO2013094481A1 (ja) * 2011-12-19 2013-06-27 シャープ株式会社 照明装置、シーリングライト、バックライト、液晶表示装置、及びテレビジョン受信装置
TW201531153A (zh) * 2013-12-24 2015-08-01 Richard Landry Gray 在低輸入電壓操作下適用於直接式ｌｅｄ驅動器的防閃爍電路
CN103824547A (zh) * 2014-02-27 2014-05-28 深圳市华星光电技术有限公司 一种液晶显示装置的背光源及其驱动电路
US9844115B2 (en) * 2015-07-14 2017-12-12 Lighting Science Group Corporation Systems and methods for optimizing power and control of a multicolored lighting system
US10667362B1 (en) * 2016-03-30 2020-05-26 Cooledge Lighting Inc. Methods of operating lighting systems with controllable illumination
US10136485B1 (en) * 2016-03-30 2018-11-20 Cooledge Lighting Inc. Methods for adjusting the light output of illumination systems
US10527271B2 (en) * 2017-02-10 2020-01-07 Samsung Electronics Co., Ltd. LED lighting device
JP6910175B2 (ja) * 2017-03-30 2021-07-28 シチズン時計株式会社 光測定装置及びこれを備えた歯ブラシ
JP6725558B2 (ja) * 2018-02-15 2020-07-22 日機装株式会社 発光モジュール
US11743986B2 (en) 2020-05-18 2023-08-29 Electronic Theatre Controls, Inc. Luminaire and system that uses the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171361U (ja) * 1983-04-30 1984-11-16 日本電気ホームエレクトロニクス株式会社 ３色発光ダイオ−ド
JPH02154481A (ja) * 1988-12-06 1990-06-13 Fujikura Ltd 発光素子とその駆動回路
JP2005101296A (ja) * 2003-09-25 2005-04-14 Osram-Melco Ltd 可変色発光ダイオード素子及び可変色発光ダイオードモジュール及び可変色発光ダイオード照明器具
JP2006253215A (ja) * 2005-03-08 2006-09-21 Sharp Corp 発光装置
JP2006286935A (ja) * 2005-03-31 2006-10-19 Sharp Corp 光源モジュール、バックライトユニット、液晶表示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3717260A1 (de) * 1987-05-22 1988-12-01 Rexroth Mannesmann Gmbh Schaltungsanordnung zum uebertragen einer versorgungsspannung und eines steuersignals
JPH08265129A (ja) 1995-03-24 1996-10-11 Nippon Arefu:Kk 発光ダイオード駆動回路
US7555346B1 (en) * 1999-01-07 2009-06-30 Boston Scientific Neuromodulation Corporation Implantable pulse generator having current steering means
JP2001332765A (ja) 2000-05-22 2001-11-30 Iwasaki Electric Co Ltd Ｌｅｄ表示灯
TWM253184U (en) 2004-02-27 2004-12-11 Taiwan Fluorescent Lamp Co Ltd Color temperature variation control device of full color LED
TWI601443B (zh) * 2004-06-03 2017-10-01 皇家飛利浦有限公司 發光二極體之外殼
TWI287607B (en) 2004-12-24 2007-10-01 Dawson Liu LED lighting device for AC power and the light-emitting unit therein
US7893408B2 (en) * 2006-11-02 2011-02-22 Indiana University Research And Technology Corporation Methods and apparatus for ionization and desorption using a glow discharge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171361U (ja) * 1983-04-30 1984-11-16 日本電気ホームエレクトロニクス株式会社 ３色発光ダイオ−ド
JPH02154481A (ja) * 1988-12-06 1990-06-13 Fujikura Ltd 発光素子とその駆動回路
JP2005101296A (ja) * 2003-09-25 2005-04-14 Osram-Melco Ltd 可変色発光ダイオード素子及び可変色発光ダイオードモジュール及び可変色発光ダイオード照明器具
JP2006253215A (ja) * 2005-03-08 2006-09-21 Sharp Corp 発光装置
JP2006286935A (ja) * 2005-03-31 2006-10-19 Sharp Corp 光源モジュール、バックライトユニット、液晶表示装置

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2157833A3 (en) * 2008-08-21 2016-11-16 Delphi Technologies, Inc. Low-cost drive system for a led triad
US20110291129A1 (en) * 2008-11-14 2011-12-01 Osram Opto Semiconductors Gmbh Optoelectronic device
US9398664B2 (en) * 2008-11-14 2016-07-19 Osram Opto Semiconductors Gmbh Optoelectronic device that emits mixed light
EP2407009B1 (en) 2009-03-12 2013-06-12 Koninklijke Philips Electronics N.V. Led lighting with incandescent lamp color temperature behavior
CN102349353A (zh) * 2009-03-12 2012-02-08 皇家飞利浦电子股份有限公司 具有白炽灯色温性状的led发光设备
WO2010103480A2 (en) 2009-03-12 2010-09-16 Koninklijke Philips Electronics N.V. Led lighting with incandescent lamp color temperature behavior
US8587205B2 (en) 2009-03-12 2013-11-19 Koninklijke Philips N.V. LED lighting with incandescent lamp color temperature behavior
RU2524477C2 (ru) * 2009-03-12 2014-07-27 Конинклейке Филипс Электроникс Н.В. Сид устройство освещения с характеристикой цветовой температуры лампы накаливания
US9253849B2 (en) 2009-03-12 2016-02-02 Koninklijke Philips N.V. LED lighting device with incandescent lamp color temperature behavior
WO2010103480A3 (en) * 2009-03-12 2010-11-18 Koninklijke Philips Electronics N.V. Led lighting with incandescent lamp color temperature behavior
JP2012146614A (ja) * 2010-01-29 2012-08-02 Mitsubishi Chemicals Corp 白色ｌｅｄ発光デバイスの調光装置，及び照明システム
US8508141B2 (en) 2010-01-29 2013-08-13 Mitsubishi Chemical Corporation Light control apparatus for light emitting device and illumination system
WO2011093395A1 (ja) * 2010-01-29 2011-08-04 三菱化学株式会社 白色ｌｅｄ発光デバイスの調光装置，及び照明システム
WO2011126106A1 (ja) * 2010-04-09 2011-10-13 三菱化学株式会社 調光装置、及びｌｅｄ照明システム
JP2012146633A (ja) * 2010-04-09 2012-08-02 Mitsubishi Chemicals Corp 調光装置、及びｌｅｄ照明システム
US8810141B2 (en) 2010-04-09 2014-08-19 Mitsubishi Chemical Corporation Illumination light control apparatus and LED illumination system

Also Published As

Publication number Publication date
US20100066258A1 (en) 2010-03-18
US8188670B2 (en) 2012-05-29
TW200849664A (en) 2008-12-16
JP2008171984A (ja) 2008-07-24

Similar Documents

Publication Publication Date Title
WO2008084771A1 (ja) 発光装置および発光装置の駆動方法
TW200746020A (en) Display device and driving method thereof
HK1105508A1 (en) Ac light emitting diode and ac led drive methods and apparatus ac
WO2013003332A8 (en) Led driving system and method for variable voltage input
RU2011105436A (ru) Схема возбуждения светоизлучающего устройства
WO2011097175A3 (en) Integrated electronic device for controlling light emitting diodes
WO2009062105A3 (en) Device and method for providing power to lighting elements for use as a visual indicator in a medical probe
WO2012083182A3 (en) Controlling current flowing through leds in a led light fixture
WO2010148113A3 (en) Continuous step driver
US8217592B2 (en) Light emitting diode driving device and driving method thereof
WO2012162510A3 (en) Controlling the light output of one or more leds in response to the output of a dimmer
WO2009052023A3 (en) Lighting control system for a lighting device
TW200606795A (en) Circuitry and methodology for driving multiple light emitting devices
EP2023326A3 (en) Organic light emitting display and driving method thereof
EP2889863A3 (en) Organic light emiting diode display device and method driving the same
WO2010058961A3 (en) Light emitting apparatus and display apparatus using the same
EP2787620A3 (en) Power supply having selectable operation based on communications with load
WO2009041438A1 (ja) 調光装置及びそれを用いた照明装置
WO2015062938A3 (en) Light unit for emitting light and method for driving a light unit
TW200728801A (en) LED light source module and liquid crystal display thereof
WO2011043912A3 (en) Method and apparatus for power driving
WO2016060465A3 (ko) 플리커 성능이 개선된 led 구동회로 및 이를 포함하는 led 조명장치
TW200625244A (en) Organic EL driving circuit and organic EL display device using the same
WO2012172456A3 (en) Light-emitting device and photo-therapy device comprising a light-emitting device
EP2242171A3 (en) Power supply unit and organic light emitting display device using the same

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08702903

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12515478

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08702903

Country of ref document: EP

Kind code of ref document: A1