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WO2008102703A1 - 放電灯点灯装置、照明装置、及び液晶表示装置 - Google Patents

放電灯点灯装置、照明装置、及び液晶表示装置 Download PDF

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Publication number
WO2008102703A1
WO2008102703A1 PCT/JP2008/052538 JP2008052538W WO2008102703A1 WO 2008102703 A1 WO2008102703 A1 WO 2008102703A1 JP 2008052538 W JP2008052538 W JP 2008052538W WO 2008102703 A1 WO2008102703 A1 WO 2008102703A1
Authority
WO
WIPO (PCT)
Prior art keywords
discharge lamp
liquid crystal
crystal display
period
lamp operation
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.)
Ceased
Application number
PCT/JP2008/052538
Other languages
English (en)
French (fr)
Inventor
Masanori Mishima
Masahiro Naruo
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 Electric Works Co Ltd
Original Assignee
Panasonic Electric Works Co Ltd
Matsushita Electric Works 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 Panasonic Electric Works Co Ltd, Matsushita Electric Works Ltd filed Critical Panasonic Electric Works Co Ltd
Priority to US12/523,618 priority Critical patent/US8115421B2/en
Priority to JP2009500162A priority patent/JP4972151B2/ja
Priority to EP08711368A priority patent/EP2129192A4/en
Publication of WO2008102703A1 publication Critical patent/WO2008102703A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • H05B41/36—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
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • 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
    • H05B41/295—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 with preheating electrodes, e.g. for fluorescent lamps
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

 オン期間とオフ期間の比率を決めるバースト調光信号を入力し、バースト調光信号のオフ期間には放電灯ＦＬの両端にランプ電圧Ｖｌａを印加しながら放電灯ＦＬのランプ電流Ｉｌａを停止させると共に放電灯ＦＬの熱陰極に予熱電流Ｉｆ１，Ｉｆ２を供給し、バースト調光信号のオン期間には放電灯ＦＬを絶縁破壊してランプ電流Ｉｌａを供給する。
PCT/JP2008/052538 2007-02-19 2008-02-15 放電灯点灯装置、照明装置、及び液晶表示装置 Ceased WO2008102703A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/523,618 US8115421B2 (en) 2007-02-19 2008-02-15 Discharge lamp lighting device, illumination device, and liquid crystal display device
JP2009500162A JP4972151B2 (ja) 2007-02-19 2008-02-15 放電灯点灯装置、照明装置、及び液晶表示装置
EP08711368A EP2129192A4 (en) 2007-02-19 2008-02-15 DISCHARGE LAMP OPERATING DEVICE, LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007038154 2007-02-19
JP2007-038158 2007-02-19
JP2007-038157 2007-02-19
JP2007038157 2007-02-19
JP2007038158 2007-02-19
JP2007-038154 2007-02-19

Publications (1)

Publication Number Publication Date
WO2008102703A1 true WO2008102703A1 (ja) 2008-08-28

Family

ID=39709979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052538 Ceased WO2008102703A1 (ja) 2007-02-19 2008-02-15 放電灯点灯装置、照明装置、及び液晶表示装置

Country Status (4)

Country Link
US (1) US8115421B2 (ja)
EP (1) EP2129192A4 (ja)
JP (1) JP4972151B2 (ja)
WO (1) WO2008102703A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010097798A (ja) * 2008-10-16 2010-04-30 Hitachi Lighting Ltd 点灯装置
JP2011054294A (ja) * 2009-08-31 2011-03-17 Hitachi Appliances Inc 点灯装置、及びこれを備えた画像表示装置
JP2011060615A (ja) * 2009-09-11 2011-03-24 Mitsubishi Electric Corp Ｌｅｄ点灯装置及び照明装置
JP2011187294A (ja) * 2010-03-08 2011-09-22 Shihen Tech Corp 放電灯点灯装置
JP2013098409A (ja) * 2011-11-02 2013-05-20 Miyachi Technos Corp レーザ電源装置
JP2014186972A (ja) * 2013-03-25 2014-10-02 Yamaha Corp 制御信号生成装置及び音響信号処理装置
JP2016058272A (ja) * 2014-09-10 2016-04-21 パナソニックＩｐマネジメント株式会社 点灯装置及び照明器具

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009032471A (ja) * 2007-07-26 2009-02-12 Panasonic Electric Works Co Ltd 放電灯点灯装置及び照明器具
JP5144194B2 (ja) * 2007-09-25 2013-02-13 パナソニック株式会社 点灯装置、および照明器具
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
JP2009111035A (ja) * 2007-10-26 2009-05-21 Panasonic Electric Works Co Ltd 発光ダイオード駆動装置、発光ダイオード駆動装置を用いた照明装置、車室内用照明装置、車両用照明装置
US8502454B2 (en) 2008-02-08 2013-08-06 Innosys, Inc Solid state semiconductor LED replacement for fluorescent lamps
EP2296448B1 (en) * 2008-06-20 2016-05-11 Panasonic Intellectual Property Management Co., Ltd. Illumination lighting device, illuminating device, and illuminating system
US8148907B2 (en) 2009-04-11 2012-04-03 Sadwick Laurence P Dimmable power supply
US8536803B2 (en) * 2009-07-16 2013-09-17 Innosys, Inc Fluorescent lamp power supply
JP5493618B2 (ja) * 2009-09-14 2014-05-14 セイコーエプソン株式会社 点灯装置及びプロジェクター
JP5543167B2 (ja) * 2009-10-02 2014-07-09 ローム株式会社 調光制御装置、調光制御方法、および調光制御装置を備えた照明器具
US8664872B2 (en) * 2010-02-23 2014-03-04 Panasonic Corporation Circuit arrangement for operating a discharge lamp
US8847512B1 (en) * 2010-10-29 2014-09-30 Universal Lighting Technologies, Inc. Program start ballast having resonant filament heating circuit with clamped quality factor
TWI435536B (zh) * 2010-11-18 2014-04-21 Univ Nat Formosa 低雜訊的交流截波電路
US8773031B2 (en) 2010-11-22 2014-07-08 Innosys, Inc. Dimmable timer-based LED power supply
US20130200798A1 (en) * 2012-02-07 2013-08-08 Laurence P. Sadwick Fluorescent Lamp Dimmer
US8987997B2 (en) 2012-02-17 2015-03-24 Innosys, Inc. Dimming driver with stealer switch
US9502070B2 (en) 2013-06-24 2016-11-22 Seagate Technology Llc Materials for near field transducers, near field tranducers containing same, and methods of forming
US9697856B2 (en) 2013-12-06 2017-07-04 Seagate Techology LLC Methods of forming near field transducers and near field transducers formed thereby
US9237636B1 (en) 2014-05-12 2016-01-12 Universal Lighting Technologies, Inc. Self-clamped resonant filament heating circuit
US9822444B2 (en) 2014-11-11 2017-11-21 Seagate Technology Llc Near-field transducer having secondary atom higher concentration at bottom of the peg
DE102014226582A1 (de) * 2014-12-19 2016-06-23 Tridonic Gmbh & Co Kg Betriebsgerät zur Versorgung eines Leuchtmittels mit einem einstellbaren mittleren Strom
JP2021131234A (ja) * 2020-02-18 2021-09-09 富士フイルムビジネスイノベーション株式会社 発光装置およびプログラム
CN116545242B (zh) * 2023-07-06 2024-05-17 广东汇芯半导体有限公司 一种智能功率模块

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63246897A (ja) * 1987-04-02 1988-10-13 日立化成工業株式会社 金属ベ−ス２層配線板の製造法
JPS6472497A (en) * 1987-09-11 1989-03-17 Toshiba Electric Equip High frequency lighting device
US4998046A (en) 1989-06-05 1991-03-05 Gte Products Corporation Synchronized lamp ballast with dimming
JPH03246899A (ja) * 1990-02-26 1991-11-05 Mitsubishi Denki Shomei Kk 放電灯点灯装置
JPH07240286A (ja) * 1994-02-28 1995-09-12 Toshiba Lighting & Technol Corp 放電灯点灯装置
JPH08106987A (ja) 1994-09-30 1996-04-23 Toshiba Lighting & Technol Corp 熱陰極放電灯点灯装置、照明装置および複写装置
JP2005038683A (ja) * 2003-07-18 2005-02-10 Minebea Co Ltd 放電管用インバータ回路
JP2005235619A (ja) * 2004-02-20 2005-09-02 Mitsubishi Electric Corp 放電灯点灯装置
JP2006053520A (ja) 2004-07-13 2006-02-23 Matsushita Electric Ind Co Ltd 液晶表示装置及びその光源の駆動方法
JP2006196437A (ja) * 2004-12-14 2006-07-27 Matsushita Electric Works Ltd 放電灯点灯装置並びに照明器具

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JPH03246897A (ja) * 1990-02-26 1991-11-05 Mitsubishi Denki Shomei Kk 放電灯点灯装置
DE4123187A1 (de) * 1991-07-12 1993-01-14 Tridonic Bauelemente Vorschaltgeraet zum pulsbetrieb von gasentladungslampen
EP0602719B1 (en) * 1992-12-16 1998-10-21 Koninklijke Philips Electronics N.V. High frequency inverter for a discharge lamp with preheatable electrodes
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JP3246897B2 (ja) 1999-01-08 2002-01-15 株式会社日立製作所 圧延機
JP3246899B2 (ja) 1999-04-02 2002-01-15 マルシン鋼業株式会社 生ごみ処理装置
US7015655B2 (en) * 2001-05-25 2006-03-21 Matsushita Electric Works, Ltd. Electronic ballast for a high intensity discharge lamp
JP4325620B2 (ja) * 2003-01-17 2009-09-02 パナソニック電工株式会社 放電灯点灯装置、照明装置、プロジェクタ
JP4665480B2 (ja) * 2004-10-26 2011-04-06 パナソニック電工株式会社 放電灯点灯装置、照明器具、および照明システム
US7365951B2 (en) * 2006-03-07 2008-04-29 Matsushita Electric Works, Ltd. Discharge lamp lighting device, lighting system and method
JP4697050B2 (ja) * 2006-05-26 2011-06-08 パナソニック電工株式会社 放電灯点灯装置及び照明器具
JP4631817B2 (ja) * 2006-06-27 2011-02-16 パナソニック電工株式会社 放電灯点灯装置及び照明器具

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63246897A (ja) * 1987-04-02 1988-10-13 日立化成工業株式会社 金属ベ−ス２層配線板の製造法
JPS6472497A (en) * 1987-09-11 1989-03-17 Toshiba Electric Equip High frequency lighting device
US4998046A (en) 1989-06-05 1991-03-05 Gte Products Corporation Synchronized lamp ballast with dimming
JPH03246899A (ja) * 1990-02-26 1991-11-05 Mitsubishi Denki Shomei Kk 放電灯点灯装置
JPH07240286A (ja) * 1994-02-28 1995-09-12 Toshiba Lighting & Technol Corp 放電灯点灯装置
JPH08106987A (ja) 1994-09-30 1996-04-23 Toshiba Lighting & Technol Corp 熱陰極放電灯点灯装置、照明装置および複写装置
JP2005038683A (ja) * 2003-07-18 2005-02-10 Minebea Co Ltd 放電管用インバータ回路
JP2005235619A (ja) * 2004-02-20 2005-09-02 Mitsubishi Electric Corp 放電灯点灯装置
JP2006053520A (ja) 2004-07-13 2006-02-23 Matsushita Electric Ind Co Ltd 液晶表示装置及びその光源の駆動方法
JP2006196437A (ja) * 2004-12-14 2006-07-27 Matsushita Electric Works Ltd 放電灯点灯装置並びに照明器具

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Title
See also references of EP2129192A4

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010097798A (ja) * 2008-10-16 2010-04-30 Hitachi Lighting Ltd 点灯装置
JP2011054294A (ja) * 2009-08-31 2011-03-17 Hitachi Appliances Inc 点灯装置、及びこれを備えた画像表示装置
JP2011060615A (ja) * 2009-09-11 2011-03-24 Mitsubishi Electric Corp Ｌｅｄ点灯装置及び照明装置
JP2011187294A (ja) * 2010-03-08 2011-09-22 Shihen Tech Corp 放電灯点灯装置
JP2013098409A (ja) * 2011-11-02 2013-05-20 Miyachi Technos Corp レーザ電源装置
JP2014186972A (ja) * 2013-03-25 2014-10-02 Yamaha Corp 制御信号生成装置及び音響信号処理装置
JP2016058272A (ja) * 2014-09-10 2016-04-21 パナソニックＩｐマネジメント株式会社 点灯装置及び照明器具

Also Published As

Publication number Publication date
JPWO2008102703A1 (ja) 2010-05-27
EP2129192A4 (en) 2012-05-30
US20100039581A1 (en) 2010-02-18
JP4972151B2 (ja) 2012-07-11
US8115421B2 (en) 2012-02-14
EP2129192A1 (en) 2009-12-02

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