BR8800249A - Fonte de alimentacao para painel eletroluminescente e metodo de fornecimento da mesma - Google Patents

Fonte de alimentacao para painel eletroluminescente e metodo de fornecimento da mesma

Info

Publication number
BR8800249A
BR8800249A BR8800249A BR8800249A BR8800249A BR 8800249 A BR8800249 A BR 8800249A BR 8800249 A BR8800249 A BR 8800249A BR 8800249 A BR8800249 A BR 8800249A BR 8800249 A BR8800249 A BR 8800249A
Authority
BR
Brazil
Prior art keywords
supply
same
electroluminescent panel
power supply
electroluminescent
Prior art date
Application number
BR8800249A
Other languages
English (en)
Inventor
J Rothe Kinnard
Dennis N Oliver
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR8800249A publication Critical patent/BR8800249A/pt

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
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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 Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Inverter Devices (AREA)
BR8800249A 1987-02-13 1988-01-25 Fonte de alimentacao para painel eletroluminescente e metodo de fornecimento da mesma BR8800249A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1489487A 1987-02-13 1987-02-13

Publications (1)

Publication Number Publication Date
BR8800249A true BR8800249A (pt) 1988-09-13

Family

ID=21768419

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8800249A BR8800249A (pt) 1987-02-13 1988-01-25 Fonte de alimentacao para painel eletroluminescente e metodo de fornecimento da mesma

Country Status (4)

Country Link
EP (1) EP0278253B1 (pt)
JP (1) JPS63202888A (pt)
BR (1) BR8800249A (pt)
DE (1) DE3870639D1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027040A (en) * 1988-09-14 1991-06-25 Daichi Company, Ltd. EL operating power supply circuit
US4982314A (en) * 1988-12-09 1991-01-01 Nichia Kagaku Kogyo K.K. Power source circuit apparatus for electro-luminescence device
JP2729077B2 (ja) * 1989-03-31 1998-03-18 関西日本電気株式会社 Ｅｌ点灯回路
JPH0817114B2 (ja) * 1989-04-26 1996-02-21 関西日本電気株式会社 Ｅｌ点灯回路
JPH02290575A (ja) * 1989-04-28 1990-11-30 Nec Corp ビームフォーミング回路
JP2560750Y2 (ja) * 1989-09-22 1998-01-26 関西日本電気株式会社 Ｅｌ点灯回路
EP0487732A4 (en) * 1990-02-07 1993-03-10 Daichi Co., Ltd Light-emitting power source circuit
CH688952B5 (fr) * 1994-05-26 1998-12-31 Ebauchesfabrik Eta Ag Circuit d'alimentation pour une feuille électroluminescente.
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
GB2325798A (en) * 1997-05-28 1998-12-02 Miniflame Ltd Mains powered supply for driving electroluminescent material
GB0309098D0 (en) * 2003-04-22 2003-05-28 Elumin8 Systems Electroluminescent display device driver circuit
FR2858110B1 (fr) * 2003-07-23 2006-01-27 Saint Gobain Dispositif d'alimentation electrique destine a alimenter au moins deux electrodes
US9681568B1 (en) 2015-12-02 2017-06-13 Ge Energy Power Conversion Technology Ltd Compact stacked power modules for minimizing commutating inductance and methods for making the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749977A (en) * 1970-12-29 1973-07-31 Intern Scanning Devices Inc Electroluminescent device
DE2630622C2 (de) * 1975-07-07 1982-03-25 Sharp K.K., Osaka Anordnung zur Steuerung eines kapazitiven Anzeigeelementes
JPS5828591B2 (ja) * 1976-11-24 1983-06-16 シャープ株式会社 薄膜ｅｌ素子の駆動回路
JPS5828592B2 (ja) * 1976-12-28 1983-06-16 シャープ株式会社 三層薄膜ｅｌ素子の駆動回路
JPS5829516B2 (ja) * 1976-12-28 1983-06-23 シャープ株式会社 薄膜ｅｌ表示素子の駆動回路
US4253097A (en) * 1979-03-29 1981-02-24 Timex Corporation Method and apparatus for reducing power consumption to activate electroluminescent panels
US4595920A (en) * 1983-08-17 1986-06-17 Rockwell International Corporation Low-loss sinusoidal drive system and technique
JPS6130230U (ja) * 1984-07-26 1986-02-24 マルコン電子株式会社 チツプ型アルミ電解コンデンサ

Also Published As

Publication number Publication date
DE3870639D1 (de) 1992-06-11
EP0278253B1 (en) 1992-05-06
EP0278253A1 (en) 1988-08-17
JPS63202888A (ja) 1988-08-22

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 25/01/2003