DE60128535D1 - Anordnung und Verfahren zum Steuern einer Kaltkathoden -Entladungslampe - Google Patents

Anordnung und Verfahren zum Steuern einer Kaltkathoden -Entladungslampe

Info

Publication number
DE60128535D1
DE60128535D1 DE60128535T DE60128535T DE60128535D1 DE 60128535 D1 DE60128535 D1 DE 60128535D1 DE 60128535 T DE60128535 T DE 60128535T DE 60128535 T DE60128535 T DE 60128535T DE 60128535 D1 DE60128535 D1 DE 60128535D1
Authority
DE
Germany
Prior art keywords
arrangement
controlling
discharge lamp
cold cathode
cathode discharge
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
DE60128535T
Other languages
English (en)
Other versions
DE60128535T2 (de
Inventor
Hiroshi Nakatsuka
Takeshi Yamaguchi
Katsu Takeda
Katsunori Moritoki
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60128535D1 publication Critical patent/DE60128535D1/de
Publication of DE60128535T2 publication Critical patent/DE60128535T2/de
Anticipated expiration legal-status Critical
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
    • H05B41/282—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
    • H05B41/2821—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 by means of a single-switch converter or a parallel push-pull converter in the final stage
    • H05B41/2822—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 by means of a single-switch converter or a parallel push-pull converter in the final stage using specially adapted components in the load circuit, e.g. feed-back transformers, piezoelectric transformers; using specially adapted load circuit configurations
    • 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
    • H05B41/282—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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inverter Devices (AREA)
  • Dc-Dc Converters (AREA)
DE60128535T 2000-12-28 2001-12-19 Anordnung und Verfahren zum Steuern einer Kaltkathoden -Entladungslampe Expired - Fee Related DE60128535T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000402001A JP2002203689A (ja) 2000-12-28 2000-12-28 圧電トランスを用いた冷陰極蛍光管の駆動装置及びその駆動方法
JP2000402001 2000-12-28

Publications (2)

Publication Number Publication Date
DE60128535D1 true DE60128535D1 (de) 2007-07-05
DE60128535T2 DE60128535T2 (de) 2008-01-31

Family

ID=18866361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60128535T Expired - Fee Related DE60128535T2 (de) 2000-12-28 2001-12-19 Anordnung und Verfahren zum Steuern einer Kaltkathoden -Entladungslampe

Country Status (5)

Country Link
US (1) US6566821B2 (de)
EP (1) EP1220580B1 (de)
JP (1) JP2002203689A (de)
CN (1) CN1276689C (de)
DE (1) DE60128535T2 (de)

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EP1514246A4 (de) 2002-06-06 2008-04-16 Donnelly Corp Innenrückspiegelsystem mit kompass
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KR100892584B1 (ko) * 2002-08-26 2009-04-08 삼성전자주식회사 전원공급장치와 이를 갖는 백라이트 어셈블리 및 액정표시 장치
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JP2005129004A (ja) * 2003-10-03 2005-05-19 Sharp Corp 駆動システムおよび交流変換装置
US7308341B2 (en) 2003-10-14 2007-12-11 Donnelly Corporation Vehicle communication system
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US7279822B2 (en) * 2003-12-29 2007-10-09 Zippy Technology Corp. Transformer level driving circuit
US7436129B2 (en) * 2004-02-27 2008-10-14 Honeywell International Inc. Triple-loop fluorescent lamp driver
US7928665B2 (en) * 2004-02-27 2011-04-19 Honeywell International Inc. System and methods for dimming a high pressure arc lamp
US6958582B2 (en) * 2004-03-15 2005-10-25 Zippy Technology Corp. Lamp current control circuit
DE202004005184U1 (de) * 2004-03-30 2005-08-18 Ruppel, Stefan Lampe mit einer Kaltkathodenröhre
JP2005353572A (ja) 2004-05-13 2005-12-22 Sony Corp 蛍光管駆動装置、液晶ディスプレイ装置
JP4491638B2 (ja) * 2004-05-20 2010-06-30 日本電気株式会社 バックライト用他励式インバータ回路および駆動方法
CN1717144B (zh) * 2004-07-02 2011-07-27 鸿富锦精密工业（深圳）有限公司 冷阴极萤光灯数字驱动系统
TWI342723B (en) * 2004-08-05 2011-05-21 Monolithic Power Systems Inc System for driving discharge lamp in a floating configuration
JP4561237B2 (ja) * 2004-08-23 2010-10-13 ミツミ電機株式会社 駆動状態検出回路
US7309964B2 (en) * 2004-10-01 2007-12-18 Au Optronics Corporation Floating drive circuit for cold cathode fluorescent lamp
WO2006106578A1 (ja) * 2005-03-31 2006-10-12 Fujitsu Limited 交流電源装置
US7227294B2 (en) * 2005-04-29 2007-06-05 Symbol Technologies, Inc. Piezoelectric motor drive circuit and method
US7626749B2 (en) 2005-05-16 2009-12-01 Donnelly Corporation Vehicle mirror assembly with indicia at reflective element
JP4651669B2 (ja) * 2005-07-15 2011-03-16 シャープ株式会社 表示装置用照明装置、表示装置
US7196475B2 (en) * 2005-07-21 2007-03-27 Canon Kabushiki Kaisha Image forming apparatus utilizing a piezoelectric-transformer high-voltage power supply and method for controlling the same
US20070029947A1 (en) * 2005-08-02 2007-02-08 Zippy Technology Corp. Inverter driving circuit
KR101257926B1 (ko) * 2006-06-07 2013-04-24 엘지디스플레이 주식회사 액정 표시 장치의 백라이트 유닛 및 이의 구동 방법
DE102007015508B4 (de) * 2007-03-28 2016-04-28 Tridonic Gmbh & Co Kg Digitale Steuerschaltung eines Betriebsgeräts für Leuchtmittel sowie Verfahren zum Betreiben eines Betriebsgerätes
KR101275966B1 (ko) * 2007-05-11 2013-06-14 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
TWI424671B (zh) * 2008-01-25 2014-01-21 Spi Electronic Co Ltd Variable resonant gain of the converter
US8154418B2 (en) 2008-03-31 2012-04-10 Magna Mirrors Of America, Inc. Interior rearview mirror system
JP2010079949A (ja) * 2008-09-24 2010-04-08 Fujitsu Ltd 圧電アクチュエータ、ヘッドスライダ、磁気ディスク装置
GB0818918D0 (en) * 2008-10-15 2008-11-19 Icera Inc Boot algorithm
US8008836B2 (en) * 2008-12-23 2011-08-30 Newlighting Electronics Co. Ltd. Piezoelectric phase shifter
CN102227868B (zh) * 2009-06-26 2014-03-12 松下电器产业株式会社 振动发电器、振动发电装置以及搭载振动发电装置的通信装置
JP5510660B2 (ja) 2010-09-02 2014-06-04 セイコーエプソン株式会社 駆動回路、物理量測定装置
JP2012231595A (ja) * 2011-04-26 2012-11-22 Canon Inc 振動装置の駆動回路、塵埃除去装置及び振動型アクチュエータにおける振動装置の駆動回路
US20140167571A1 (en) * 2011-08-09 2014-06-19 Noliac A/S Piezoelectric transformer with high effective electromechanical coupling factors
DE102015112410A1 (de) * 2015-07-29 2017-02-02 Epcos Ag Verfahren zur Frequenzregelung eines piezoelektrischen Transformators sowie Schaltungsanordnung mit einem piezoelektrischen Transformator

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Also Published As

Publication number Publication date
US20020121865A1 (en) 2002-09-05
DE60128535T2 (de) 2008-01-31
JP2002203689A (ja) 2002-07-19
EP1220580A2 (de) 2002-07-03
CN1362850A (zh) 2002-08-07
US6566821B2 (en) 2003-05-20
EP1220580B1 (de) 2007-05-23
CN1276689C (zh) 2006-09-20
EP1220580A3 (de) 2004-08-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee