EP2157834A3 - Schaltungsanordnung zum Betrieb mindestens einer Halbleiterlichtquelle - Google Patents
Schaltungsanordnung zum Betrieb mindestens einer Halbleiterlichtquelle Download PDFInfo
- Publication number
- EP2157834A3 EP2157834A3 EP09168098.3A EP09168098A EP2157834A3 EP 2157834 A3 EP2157834 A3 EP 2157834A3 EP 09168098 A EP09168098 A EP 09168098A EP 2157834 A3 EP2157834 A3 EP 2157834A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- light source
- semiconductor light
- operating
- switching assembly
- diode
- 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- Withdrawn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]
-
- 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
-
- 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
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
Landscapes
- Led Devices (AREA)
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Electronic Switches (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008039351A DE102008039351B3 (de) | 2008-08-22 | 2008-08-22 | Schaltungsanordnung zum Betrieb mindestens einer Halbleiterlichtquelle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2157834A2 EP2157834A2 (de) | 2010-02-24 |
EP2157834A3 true EP2157834A3 (de) | 2014-05-14 |
Family
ID=41395828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09168098.3A Withdrawn EP2157834A3 (de) | 2008-08-22 | 2009-08-18 | Schaltungsanordnung zum Betrieb mindestens einer Halbleiterlichtquelle |
Country Status (6)
Country | Link |
---|---|
US (1) | US8188678B2 (de) |
EP (1) | EP2157834A3 (de) |
JP (1) | JP2010050460A (de) |
KR (1) | KR101719474B1 (de) |
CN (1) | CN101657056A (de) |
DE (1) | DE102008039351B3 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8653737B2 (en) * | 2009-04-14 | 2014-02-18 | Phoseon Technology, Inc. | Controller for semiconductor lighting device |
US11244745B2 (en) | 2010-01-22 | 2022-02-08 | Deka Products Limited Partnership | Computer-implemented method, system, and apparatus for electronic patient care |
US10453157B2 (en) | 2010-01-22 | 2019-10-22 | Deka Products Limited Partnership | System, method, and apparatus for electronic patient care |
US8471483B2 (en) * | 2011-04-20 | 2013-06-25 | Chicony Power Technology Co., Ltd. | Multi-channel LED driving system |
KR102132666B1 (ko) * | 2012-10-26 | 2020-07-13 | 서울반도체 주식회사 | 발광 다이오드 구동장치 |
DE102012111433B4 (de) | 2012-11-26 | 2017-12-14 | Pilz Auslandsbeteiligungen Gmbh | Optoelektrische Schutzeinrichtung zum Absichern einer Gefahrenstelle |
CN103945590B (zh) * | 2013-01-18 | 2016-07-13 | 瀚宇彩晶股份有限公司 | 发光二极管模块及其驱动方法 |
EP2846608B1 (de) * | 2013-09-06 | 2016-06-01 | Tridonic GmbH & Co. KG | Umrichter und Verfahren zum Betrieb eines Umrichters zur Bereitstellung von Strom an ein lichtemittierendes Mittel |
JP6404560B2 (ja) * | 2013-10-23 | 2018-10-10 | コイト電工株式会社 | 光ビーコンの車両感知用光変調回路 |
US9414453B2 (en) * | 2014-05-21 | 2016-08-09 | Lumens Co., Ltd. | Lighting device |
CN105407583B (zh) * | 2015-12-30 | 2017-03-22 | 哈尔滨工业大学 | 一种基于Buck‑Boost电路和Flyback电路的单极准谐振LED驱动装置 |
DE102019124212A1 (de) * | 2019-09-10 | 2021-03-11 | Audi Ag | Entmagnetisierung des Rotors einer fremderregten Synchronmaschine |
CN117374725B (zh) * | 2023-12-05 | 2024-03-19 | 成都光创联科技有限公司 | 一种突发模式的激光器驱动控制电路和方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19917364A1 (de) * | 1999-04-16 | 2000-10-19 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung mit Halbbrücke |
WO2007102106A2 (en) * | 2006-03-06 | 2007-09-13 | Philips Intellectual Property & Standards Gmbh | Supply circuit and device comprising a supply circuit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5327010A (en) * | 1976-08-25 | 1978-03-13 | Sony Corp | Signal tran smitter |
US4491903A (en) * | 1982-11-19 | 1985-01-01 | Montague Herbert R | Combination low-pass filter and high frequency transient suppressor |
CN1241318A (zh) * | 1997-08-01 | 2000-01-12 | 皇家菲利浦电子有限公司 | 带全波整流装置的多谐直流-直流变流器 |
FI104034B1 (fi) * | 1998-03-30 | 1999-10-29 | Teknoware Oy | Menetelmä ja laite tehon syöttämiseksi valodiodeille |
KR100593760B1 (ko) * | 1998-12-11 | 2006-10-04 | 페어차일드코리아반도체 주식회사 | 전자식 안정기 제어 시스템의 입력 전류 제어 장치 |
DE20024002U1 (de) * | 2000-03-17 | 2009-03-26 | Tridonicatco Gmbh & Co. Kg | Spannungsversorgung von Leuchtdioden (LEDs) |
DE10036950A1 (de) * | 2000-07-28 | 2002-02-07 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Betriebsgerät für Entladungslampen mit Schalterentlastung beim Vorheizen der Elektrodenwendeln |
US6856101B1 (en) * | 2002-07-24 | 2005-02-15 | Acuity Brands, Inc. | Method and apparatus for switching of parallel capacitors in an HID bi-level dimming system using voltage suppression |
US6989807B2 (en) * | 2003-05-19 | 2006-01-24 | Add Microtech Corp. | LED driving device |
JP2006294782A (ja) * | 2005-04-08 | 2006-10-26 | Hitachi Ltd | 半導体光源装置 |
-
2008
- 2008-08-22 DE DE102008039351A patent/DE102008039351B3/de not_active Expired - Fee Related
-
2009
- 2009-08-18 EP EP09168098.3A patent/EP2157834A3/de not_active Withdrawn
- 2009-08-21 KR KR1020090077523A patent/KR101719474B1/ko active IP Right Grant
- 2009-08-21 CN CN200910171305A patent/CN101657056A/zh active Pending
- 2009-08-21 JP JP2009192420A patent/JP2010050460A/ja active Pending
- 2009-08-24 US US12/546,359 patent/US8188678B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19917364A1 (de) * | 1999-04-16 | 2000-10-19 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung mit Halbbrücke |
WO2007102106A2 (en) * | 2006-03-06 | 2007-09-13 | Philips Intellectual Property & Standards Gmbh | Supply circuit and device comprising a supply circuit |
Also Published As
Publication number | Publication date |
---|---|
KR101719474B1 (ko) | 2017-03-24 |
CN101657056A (zh) | 2010-02-24 |
KR20100023770A (ko) | 2010-03-04 |
US8188678B2 (en) | 2012-05-29 |
DE102008039351B3 (de) | 2010-01-28 |
EP2157834A2 (de) | 2010-02-24 |
US20100045208A1 (en) | 2010-02-25 |
JP2010050460A (ja) | 2010-03-04 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Extension state: AL BA RS |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM AG |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
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PUAL | Search report despatched |
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Extension state: AL BA RS |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: H05B 33/08 20060101AFI20140410BHEP |
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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 |
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18D | Application deemed to be withdrawn |
Effective date: 20141115 |