EP2294897A1 - Agencement de commutation et procédé de fonctionnement d'au moins une diode électroluminescente - Google Patents
Agencement de commutation et procédé de fonctionnement d'au moins une diode électroluminescenteInfo
- Publication number
- EP2294897A1 EP2294897A1 EP08785941A EP08785941A EP2294897A1 EP 2294897 A1 EP2294897 A1 EP 2294897A1 EP 08785941 A EP08785941 A EP 08785941A EP 08785941 A EP08785941 A EP 08785941A EP 2294897 A1 EP2294897 A1 EP 2294897A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupled
- led
- transistor
- operational amplifier
- electrode
- 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.)
- Withdrawn
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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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
- H05B45/395—Linear regulators
- H05B45/397—Current mirror circuits
-
- 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
- Led Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/058753 WO2010003448A1 (fr) | 2008-07-07 | 2008-07-07 | Agencement de commutation et procédé de fonctionnement d'au moins une diode électroluminescente |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2294897A1 true EP2294897A1 (fr) | 2011-03-16 |
Family
ID=40342564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08785941A Withdrawn EP2294897A1 (fr) | 2008-07-07 | 2008-07-07 | Agencement de commutation et procédé de fonctionnement d'au moins une diode électroluminescente |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110163693A1 (fr) |
EP (1) | EP2294897A1 (fr) |
KR (1) | KR20110040891A (fr) |
CN (1) | CN102090143B (fr) |
TW (1) | TW201008393A (fr) |
WO (1) | WO2010003448A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9420653B2 (en) * | 2010-11-19 | 2016-08-16 | Semiconductor Components Industries, Llc | LED driver circuit and method |
US8760129B2 (en) * | 2011-12-29 | 2014-06-24 | Infineon Technologies Austria Ag | Low EMI driver circuit |
KR101321343B1 (ko) * | 2012-04-24 | 2013-10-29 | 주식회사 티엘아이 | 광량을 향상시키며, 동작특성을 개선하는 엘이디 조명장치 |
WO2014085837A2 (fr) * | 2012-12-06 | 2014-06-12 | Tridonic Gmbh & Co Kg | Appareil de commande d'un moyen d'éclairage |
JP6703088B2 (ja) * | 2015-07-17 | 2020-06-03 | クローズド−アップ ジョイント−ストック カンパニー ドライブClosed−Up Joint−Stock Company Drive | 負荷を流れる直流の調整器 |
US10320302B2 (en) * | 2015-09-09 | 2019-06-11 | Closed-Up Joint-Stock Company Drive | Device for producing constant voltage (variants) |
DE102017203801B3 (de) * | 2017-03-08 | 2018-03-08 | Karlsruher Institut für Technologie | Vorrichtung und Verfahren zur Ansteuerung einer Vielzahl von Leuchtdioden |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6636003B2 (en) * | 2000-09-06 | 2003-10-21 | Spectrum Kinetics | Apparatus and method for adjusting the color temperature of white semiconduct or light emitters |
US6621235B2 (en) * | 2001-08-03 | 2003-09-16 | Koninklijke Philips Electronics N.V. | Integrated LED driving device with current sharing for multiple LED strings |
JP2003332623A (ja) * | 2002-05-07 | 2003-11-21 | Rohm Co Ltd | 発光素子駆動装置及び、発光素子を備えた電子機器 |
JP5048506B2 (ja) * | 2004-10-27 | 2012-10-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 調光可能なled電源における起動フリッカ抑制 |
US7654720B2 (en) * | 2005-05-10 | 2010-02-02 | Adb Airfield Solutions Llc | Dedicated LED airfield system architectures |
CN101379887B (zh) * | 2005-12-20 | 2012-10-31 | 皇家飞利浦电子股份有限公司 | 控制提供到电子器件的电流的方法和装置 |
US7884557B2 (en) * | 2006-07-14 | 2011-02-08 | Wolfson Microelectronics Plc | Protection circuit and method |
US7884558B2 (en) * | 2006-07-14 | 2011-02-08 | Wolfson Microelectronics Plc | Driver apparatus and method |
-
2008
- 2008-07-07 WO PCT/EP2008/058753 patent/WO2010003448A1/fr active Application Filing
- 2008-07-07 KR KR1020117002873A patent/KR20110040891A/ko not_active Application Discontinuation
- 2008-07-07 EP EP08785941A patent/EP2294897A1/fr not_active Withdrawn
- 2008-07-07 US US13/003,003 patent/US20110163693A1/en not_active Abandoned
- 2008-07-07 CN CN2008801302938A patent/CN102090143B/zh not_active Expired - Fee Related
-
2009
- 2009-07-06 TW TW098122745A patent/TW201008393A/zh unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2010003448A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010003448A1 (fr) | 2010-01-14 |
CN102090143A (zh) | 2011-06-08 |
TW201008393A (en) | 2010-02-16 |
US20110163693A1 (en) | 2011-07-07 |
CN102090143B (zh) | 2013-07-17 |
KR20110040891A (ko) | 2011-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20101130 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM AG |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20150203 |