DE60308117D1 - Entladungslampe-Zündungsschaltkreis mit Schutzschaltung - Google Patents

Entladungslampe-Zündungsschaltkreis mit Schutzschaltung

Info

Publication number
DE60308117D1
DE60308117D1 DE60308117T DE60308117T DE60308117D1 DE 60308117 D1 DE60308117 D1 DE 60308117D1 DE 60308117 T DE60308117 T DE 60308117T DE 60308117 T DE60308117 T DE 60308117T DE 60308117 D1 DE60308117 D1 DE 60308117D1
Authority
DE
Germany
Prior art keywords
circuit
discharge lamp
lamp ignition
protection circuit
protection
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
Application number
DE60308117T
Other languages
English (en)
Other versions
DE60308117T2 (de
DE60308117T8 (de
Inventor
Ryu Terada
Shunsuke Kamimura
Shinichi Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minebea Co Ltd
Original Assignee
Minebea Co Ltd
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 Minebea Co Ltd filed Critical Minebea Co Ltd
Application granted granted Critical
Publication of DE60308117D1 publication Critical patent/DE60308117D1/de
Publication of DE60308117T2 publication Critical patent/DE60308117T2/de
Publication of DE60308117T8 publication Critical patent/DE60308117T8/de
Expired - Fee Related legal-status Critical Current

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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/2806—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without electrodes in the vessel, e.g. surface discharge lamps, electrodeless discharge lamps
    • H05B41/2813—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • 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
DE60308117T 2002-08-28 2003-04-10 Entladungslampe-Zündungsschaltkreis mit Schutzschaltung Expired - Fee Related DE60308117T8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002248687 2002-08-28
JP2002248687A JP3918151B2 (ja) 2002-08-28 2002-08-28 放電灯点灯回路

Publications (3)

Publication Number Publication Date
DE60308117D1 true DE60308117D1 (de) 2006-10-19
DE60308117T2 DE60308117T2 (de) 2007-04-05
DE60308117T8 DE60308117T8 (de) 2007-07-12

Family

ID=31492569

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60308117T Expired - Fee Related DE60308117T8 (de) 2002-08-28 2003-04-10 Entladungslampe-Zündungsschaltkreis mit Schutzschaltung

Country Status (4)

Country Link
US (1) US6710555B1 (de)
EP (1) EP1395095B1 (de)
JP (1) JP3918151B2 (de)
DE (1) DE60308117T8 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4085759B2 (ja) * 2002-09-12 2008-05-14 ウシオ電機株式会社 希ガス放電ランプ点灯装置
US6979959B2 (en) * 2002-12-13 2005-12-27 Microsemi Corporation Apparatus and method for striking a fluorescent lamp
US6870330B2 (en) * 2003-03-26 2005-03-22 Microsemi Corporation Shorted lamp detection in backlight system
JP4244154B2 (ja) * 2003-04-16 2009-03-25 株式会社小糸製作所 車両用灯具
US7187139B2 (en) * 2003-09-09 2007-03-06 Microsemi Corporation Split phase inverters for CCFL backlight system
US7183727B2 (en) * 2003-09-23 2007-02-27 Microsemi Corporation Optical and temperature feedbacks to control display brightness
US7468722B2 (en) * 2004-02-09 2008-12-23 Microsemi Corporation Method and apparatus to control display brightness with ambient light correction
WO2005099316A2 (en) * 2004-04-01 2005-10-20 Microsemi Corporation Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
EP1736037A4 (de) 2004-04-08 2009-03-04 Int Rectifier Corp Pfc- und ballast-steuer-ic
GB2442367B (en) * 2004-04-08 2008-07-30 Int Rectifier Corp PFC and ballast control IC
JP4499474B2 (ja) * 2004-05-10 2010-07-07 株式会社小糸製作所 車両用灯具
US7755595B2 (en) 2004-06-07 2010-07-13 Microsemi Corporation Dual-slope brightness control for transflective displays
JP2006032158A (ja) * 2004-07-16 2006-02-02 Minebea Co Ltd 放電灯点灯装置
CN1798468B (zh) * 2004-12-30 2011-02-02 鸿富锦精密工业（深圳）有限公司 一种具有开路保护电路的气体放电灯照明电路
CN1953632B (zh) * 2005-10-20 2010-12-08 鸿富锦精密工业（深圳）有限公司 开路保护电路
US7394203B2 (en) * 2005-12-15 2008-07-01 Monolithic Power Systems, Inc. Method and system for open lamp protection
TWI295546B (en) * 2005-12-30 2008-04-01 Hon Hai Prec Ind Co Ltd Apparatus for driving discharge lamps and voltage detecting circuit used therein
US7569998B2 (en) 2006-07-06 2009-08-04 Microsemi Corporation Striking and open lamp regulation for CCFL controller
CN101155457B (zh) * 2006-09-29 2011-06-08 鸿富锦精密工业（深圳）有限公司 具有跳火保护功能的光源驱动装置
CN101453818B (zh) * 2007-11-29 2014-03-19 杭州茂力半导体技术有限公司 放电灯的电路保护和调节装置
US8093839B2 (en) 2008-11-20 2012-01-10 Microsemi Corporation Method and apparatus for driving CCFL at low burst duty cycle rates
CN103635000B (zh) * 2012-08-20 2018-08-07 深圳市海洋王照明工程有限公司 灯具保护电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914558A (en) * 1989-03-06 1990-04-03 Jon Flickinger Series resonant inverter and method of lamp starting
US5636111A (en) * 1996-03-26 1997-06-03 The Genlyte Group Incorporated Ballast shut-down circuit responsive to an unbalanced load condition in a single lamp ballast or in either lamp of a two-lamp ballast
JPH1041081A (ja) 1996-07-22 1998-02-13 Minebea Co Ltd 放電灯点灯装置
US5869935A (en) * 1997-05-07 1999-02-09 Motorola Inc. Electronic ballast with inverter protection circuit
US5883473A (en) * 1997-12-03 1999-03-16 Motorola Inc. Electronic Ballast with inverter protection circuit

Also Published As

Publication number Publication date
EP1395095A1 (de) 2004-03-03
US6710555B1 (en) 2004-03-23
DE60308117T2 (de) 2007-04-05
US20040051476A1 (en) 2004-03-18
DE60308117T8 (de) 2007-07-12
JP2004087374A (ja) 2004-03-18
EP1395095B1 (de) 2006-09-06
JP3918151B2 (ja) 2007-05-23

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: SUZUKI, SHINICHI, ASABA-CHO, IWATA-GUN, SHIZUO, JP

Inventor name: KAMIMURA, SHUNSUKE, ASABA-CHO, IWATA-GUN, SHIZ, JP

Inventor name: TERADA, RYU, ASABA-CHO, IWATA-GUN, SHIZUOKA-KE, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee