CO4780071A1 - Un circuito inversor para iluminar una lampara electrolumi- niscente - Google Patents

Un circuito inversor para iluminar una lampara electrolumi- niscente

Info

Publication number
CO4780071A1
CO4780071A1 CO98032855A CO98032855A CO4780071A1 CO 4780071 A1 CO4780071 A1 CO 4780071A1 CO 98032855 A CO98032855 A CO 98032855A CO 98032855 A CO98032855 A CO 98032855A CO 4780071 A1 CO4780071 A1 CO 4780071A1
Authority
CO
Colombia
Prior art keywords
voltage level
electroluminescent lamp
charging
cycle
level during
Prior art date
Application number
CO98032855A
Other languages
English (en)
Inventor
Hakan Andersson
Original Assignee
Telefonakitebolaget Lm Ericsso
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 Telefonakitebolaget Lm Ericsso filed Critical Telefonakitebolaget Lm Ericsso
Publication of CO4780071A1 publication Critical patent/CO4780071A1/es

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
    • H05B44/00—Circuit arrangements for operating electroluminescent light sources
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of El Displays (AREA)

Abstract

Un aparato para iluminar una lámpara electroluminiscentedurante repetidos ciclos de iluminación; el aparato consta de:una fuente de alimentación de CC;un circuito de carga acoplado a la fuente de alimentación de CC que carga la lámpara electroluminiscente a un primer nivel de voltaje durante un ciclo de carga; yun circuito de descarga amortiguadora que descarga la lámpara electroluminiscente a un segundo nivel de voltaje durante un ciclo de descarga, donde el circuito de descarga amortiguador descarga la lámpara electroluminiscente para amortiguar una transición del primer nivel de voltaje al segundo nivel de voltaje.1Un método para operar una lámpara electroluminiscente que consta de:Cargar la lámpara electroluminiscente a un primer nivel de voltaje durante un ciclo de carga;descargar la lámpara electroluminiscente a través de un circuito de descarga a un segundo nivel de voltaje durante un ciclo de descarga; yamortiguar la transición desde el primer nivel de voltaje al segundo nivel de voltaje.1Un aparato para operar una lámpara electroluminiscente que consta de:medios para cargar la lámpara electroluminiscente a un primer nivel de voltaje durante un ciclo de carga;medios para descargar la lámpara electroluminiscente a un segundo nivel de voltaje durante un ciclo de descarga; ymedios para amortiguar la transición del primer nivel de voltaje al segundo nivel de voltaje.
CO98032855A 1997-06-09 1998-06-09 Un circuito inversor para iluminar una lampara electrolumi- niscente CO4780071A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/871,522 US6038153A (en) 1997-06-09 1997-06-09 Inverter circuit for illuminating an electroluminescent lamp

Publications (1)

Publication Number Publication Date
CO4780071A1 true CO4780071A1 (es) 1999-05-26

Family

ID=25357640

Family Applications (1)

Application Number Title Priority Date Filing Date
CO98032855A CO4780071A1 (es) 1997-06-09 1998-06-09 Un circuito inversor para iluminar una lampara electrolumi- niscente

Country Status (5)

Country Link
US (1) US6038153A (es)
AU (1) AU8049198A (es)
CO (1) CO4780071A1 (es)
MY (1) MY123362A (es)
WO (1) WO1998057524A1 (es)

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US6376934B1 (en) * 1999-08-18 2002-04-23 Sipex Corporation Voltage waveform generator
US6320323B1 (en) 2000-05-18 2001-11-20 Durel Corporation EL driver with lamp discharge monitor
DE10062363A1 (de) * 2000-12-14 2002-07-04 Bsh Bosch Siemens Hausgeraete Elektronischer Schaltkreis und Verfahren zur Erzeugung einer Speisespannung
GB2372647B (en) * 2001-02-26 2005-06-29 Cambridge Consultants Electronic circuits
US6462485B1 (en) * 2001-03-14 2002-10-08 Durel Corporation EL driver for small semiconductor die
KR100413437B1 (ko) * 2001-04-25 2003-12-31 엘지전자 주식회사 표시패널의 구동제어 방법
US6693387B2 (en) * 2002-01-16 2004-02-17 Intersil Americas Inc. Electroluminescent driver circuit
DE102004031395A1 (de) * 2004-06-29 2006-02-02 Infineon Technologies Ag Gleichspannungswandler
EP1622110A1 (en) * 2004-07-28 2006-02-01 Edel-One S.r.l. An electroluminescent illuminated sign
US7190600B1 (en) * 2004-12-08 2007-03-13 World Properties, Inc. Single output EL driver producing reduced current spikes
GB0611006D0 (en) * 2006-06-03 2006-07-12 Pelikon Ltd Electronic circuit for driving electroluminescent display
US20080197787A1 (en) * 2007-02-20 2008-08-21 World Properties, Inc. Sinusoidal discharge for EL lamp
US7609004B2 (en) * 2007-04-05 2009-10-27 World Properties, Inc. Eliminating silver migration in EL lamps

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
US4281374A (en) * 1979-05-29 1981-07-28 General Electric Company Electrical circuit for producing controlled high voltage AC output
US4319164A (en) * 1979-07-30 1982-03-09 Midland-Ross Corporation Power factor compensating electroluminescent lamp DC/AC inverter
US5144203A (en) * 1989-04-26 1992-09-01 Nec Corporation Circuit for driving an electric field luminous lamp
JPH0817114B2 (ja) * 1989-04-26 1996-02-21 関西日本電気株式会社 Ｅｌ点灯回路
JP2672692B2 (ja) * 1990-06-15 1997-11-05 関西日本電気株式会社 Ｅｌ点灯回路
DE4111581A1 (de) * 1991-04-10 1992-10-15 Diehl Gmbh & Co Inverterschalter fuer eine kapazitive lichtquelle
JP3378599B2 (ja) * 1992-10-30 2003-02-17 田淵電機株式会社 Ｅｌ駆動回路
US5313141A (en) * 1993-04-22 1994-05-17 Durel Corporation Three terminal inverter for electroluminescent lamps
JPH0765952A (ja) * 1993-08-31 1995-03-10 Nec Kansai Ltd 分散型ｅｌ素子の駆動回路
US5686797A (en) * 1994-05-24 1997-11-11 Bkl, Inc. Electronluminescent lamp inverter
US5559402A (en) * 1994-08-24 1996-09-24 Hewlett-Packard Company Power circuit with energy recovery for driving an electroluminescent device
JP2755201B2 (ja) * 1994-09-28 1998-05-20 日本電気株式会社 プラズマディスプレイパネルの駆動回路
US5502357A (en) * 1994-10-03 1996-03-26 Durel Corporation Low cost inverter for EL lamp
US5557175A (en) * 1995-06-13 1996-09-17 Harris Corporation Battery operated inverter circuit for capacitive loads such as electroluminescent lamps
US5539707A (en) * 1995-06-15 1996-07-23 Harris Corporation Electroluminescent lamp driver system
JPH0922780A (ja) * 1995-07-06 1997-01-21 Seikosha Co Ltd Ｅｌ素子の駆動回路
EP0762805A1 (fr) * 1995-09-06 1997-03-12 Isa France S.A. Circuit d'alimentation pour cellule électroluminescente et procédé pour alimenter une telle cellule
JPH09179525A (ja) * 1995-12-26 1997-07-11 Pioneer Electron Corp 容量性発光素子の駆動方法及び駆動装置
US5789870A (en) * 1996-05-06 1998-08-04 Durel Corporation Low noise inverter for EL lamp

Also Published As

Publication number Publication date
WO1998057524A1 (en) 1998-12-17
MY123362A (en) 2006-05-31
AU8049198A (en) 1998-12-30
US6038153A (en) 2000-03-14

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