JP4936160B2 - 点灯装置及び照明装置 - Google Patents
点灯装置及び照明装置 Download PDFInfo
- Publication number
- JP4936160B2 JP4936160B2 JP2005311972A JP2005311972A JP4936160B2 JP 4936160 B2 JP4936160 B2 JP 4936160B2 JP 2005311972 A JP2005311972 A JP 2005311972A JP 2005311972 A JP2005311972 A JP 2005311972A JP 4936160 B2 JP4936160 B2 JP 4936160B2
- Authority
- JP
- Japan
- Prior art keywords
- organic
- voltage
- period
- lighting device
- level voltage
- 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.)
- Expired - Fee Related
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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]
- H05B45/60—Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12044—OLED
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
2 点灯装置
3 直流電源手段
4 調光手段
Vd 第1レベルの電圧
Vb 第2レベルの電圧
Claims (4)
- 有機EL(エレクトロルミネセンス)素子を点灯する点灯装置であって、有機EL素子の駆動電圧に略等しい第1レベルの電圧と第1レベルよりも低く且つ有機EL素子の障壁電圧よりも高い第2レベルの電圧とを交互に有機EL素子に出力する直流電源手段と、直流電源手段を制御して第1レベルの電圧の出力期間と第2レベルの電圧の出力期間との比率を変えて有機EL素子を調光する調光手段とを備えたことを特徴とする点灯装置。
- 調光手段は、第1レベルの電圧の出力期間と第2レベルの電圧の出力期間の合計期間の周期が一定となるように直流電源手段を制御することを特徴とする請求項1記載の点灯装置。
- 調光手段は、第2レベルの電圧の出力期間が一定となるように直流電源手段を制御することを特徴とする請求項1記載の点灯装置。
- 有機EL素子と、請求項1〜3の何れかに記載の点灯装置とを有することを特徴とする照明装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005311972A JP4936160B2 (ja) | 2005-10-26 | 2005-10-26 | 点灯装置及び照明装置 |
EP06822126.6A EP1942706B1 (en) | 2005-10-26 | 2006-10-24 | Oled drive device and illumination device using the drive device |
KR1020087010117A KR100975263B1 (ko) | 2005-10-26 | 2006-10-24 | Oled 구동 장치 및 oled 구동 장치를 구비하는 조명 장치 |
CN200680039985A CN100594750C (zh) | 2005-10-26 | 2006-10-24 | Oled驱动器及配备oled驱动器的照明设备 |
US12/084,031 US7733032B2 (en) | 2005-10-26 | 2006-10-24 | OLED driver and lighting apparatus equipped with the same |
PCT/JP2006/321146 WO2007049606A1 (ja) | 2005-10-26 | 2006-10-24 | Oled駆動装置及び該駆動装置を備える照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005311972A JP4936160B2 (ja) | 2005-10-26 | 2005-10-26 | 点灯装置及び照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007122980A JP2007122980A (ja) | 2007-05-17 |
JP4936160B2 true JP4936160B2 (ja) | 2012-05-23 |
Family
ID=37967718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005311972A Expired - Fee Related JP4936160B2 (ja) | 2005-10-26 | 2005-10-26 | 点灯装置及び照明装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7733032B2 (ja) |
EP (1) | EP1942706B1 (ja) |
JP (1) | JP4936160B2 (ja) |
KR (1) | KR100975263B1 (ja) |
CN (1) | CN100594750C (ja) |
WO (1) | WO2007049606A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5491690B2 (ja) * | 2007-09-25 | 2014-05-14 | パナソニック株式会社 | 点灯装置、および照明器具 |
EP2342946A1 (de) * | 2008-11-04 | 2011-07-13 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung und verfahren zum betreiben einer oled |
US8749166B2 (en) | 2009-06-19 | 2014-06-10 | Koninklijke Philips N.V. | Method and device for driving an OLED device |
JP5994166B2 (ja) * | 2011-09-22 | 2016-09-21 | パナソニックIpマネジメント株式会社 | 発光素子点灯回路及び該回路を用いる照明装置 |
JP5994165B2 (ja) * | 2011-09-22 | 2016-09-21 | パナソニックIpマネジメント株式会社 | 発光素子点灯回路及び該回路を用いる照明装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2747168B2 (ja) * | 1992-04-28 | 1998-05-06 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子の駆動方法およびこの駆動方法を用いた発光装置 |
JP3432986B2 (ja) * | 1996-02-01 | 2003-08-04 | パイオニア株式会社 | 有機el表示装置 |
JPH10199674A (ja) | 1996-11-15 | 1998-07-31 | Sanyo Electric Co Ltd | 有機エレクトロルミネッセンス素子の駆動方法、有機エレクトロルミネッセンス装置及び表示装置 |
JP2001085159A (ja) | 1999-09-13 | 2001-03-30 | Sanyo Electric Co Ltd | 有機エレクトロルミネッセンス素子の駆動方法、駆動装置およびそれを用いた表示装置 |
JP2005078828A (ja) | 2003-08-28 | 2005-03-24 | Konica Minolta Holdings Inc | 照明装置および照明装置の駆動方法 |
JP2005149744A (ja) * | 2003-11-11 | 2005-06-09 | Konica Minolta Holdings Inc | 照明装置 |
US7202608B2 (en) * | 2004-06-30 | 2007-04-10 | Tir Systems Ltd. | Switched constant current driving and control circuit |
EP1779708B1 (en) * | 2004-08-06 | 2021-06-30 | Signify Holding B.V. | Lighting system including photonic emission and detection using light-emitting elements |
US7332879B2 (en) * | 2004-08-16 | 2008-02-19 | Richtek Technology Corp. | Control method and device for a power-converting module that drives a light-emitting component |
KR100610611B1 (ko) * | 2004-09-30 | 2006-08-10 | 엘지전자 주식회사 | 유기 전계발광 표시소자의 구동장치 |
-
2005
- 2005-10-26 JP JP2005311972A patent/JP4936160B2/ja not_active Expired - Fee Related
-
2006
- 2006-10-24 EP EP06822126.6A patent/EP1942706B1/en not_active Ceased
- 2006-10-24 US US12/084,031 patent/US7733032B2/en not_active Expired - Fee Related
- 2006-10-24 CN CN200680039985A patent/CN100594750C/zh not_active Expired - Fee Related
- 2006-10-24 KR KR1020087010117A patent/KR100975263B1/ko active IP Right Grant
- 2006-10-24 WO PCT/JP2006/321146 patent/WO2007049606A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2007049606A1 (ja) | 2007-05-03 |
EP1942706A4 (en) | 2011-06-22 |
KR20080063370A (ko) | 2008-07-03 |
EP1942706B1 (en) | 2018-06-20 |
EP1942706A1 (en) | 2008-07-09 |
KR100975263B1 (ko) | 2010-08-11 |
JP2007122980A (ja) | 2007-05-17 |
US20090212715A1 (en) | 2009-08-27 |
US7733032B2 (en) | 2010-06-08 |
CN100594750C (zh) | 2010-03-17 |
CN101297605A (zh) | 2008-10-29 |
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