GB2196805B - Low voltage electroluminescent lamp driver circuits - Google Patents

Low voltage electroluminescent lamp driver circuits

Info

Publication number
GB2196805B
GB2196805B GB8716935A GB8716935A GB2196805B GB 2196805 B GB2196805 B GB 2196805B GB 8716935 A GB8716935 A GB 8716935A GB 8716935 A GB8716935 A GB 8716935A GB 2196805 B GB2196805 B GB 2196805B
Authority
GB
United Kingdom
Prior art keywords
low voltage
driver circuits
lamp driver
electroluminescent lamp
voltage electroluminescent
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
GB8716935A
Other versions
GB8716935D0 (en
GB2196805A (en
Inventor
Bruce H Kamens
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.)
Timex Group USA Inc
Original Assignee
Timex Corp
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 Timex Corp filed Critical Timex Corp
Publication of GB8716935D0 publication Critical patent/GB8716935D0/en
Publication of GB2196805A publication Critical patent/GB2196805A/en
Application granted granted Critical
Publication of GB2196805B publication Critical patent/GB2196805B/en
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
    • 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)
  • Electric Clocks (AREA)
GB8716935A 1986-10-30 1987-07-17 Low voltage electroluminescent lamp driver circuits Expired - Fee Related GB2196805B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92473086A 1986-10-30 1986-10-30

Publications (3)

Publication Number Publication Date
GB8716935D0 GB8716935D0 (en) 1987-08-26
GB2196805A GB2196805A (en) 1988-05-05
GB2196805B true GB2196805B (en) 1990-06-20

Family

ID=25450628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8716935A Expired - Fee Related GB2196805B (en) 1986-10-30 1987-07-17 Low voltage electroluminescent lamp driver circuits

Country Status (3)

Country Link
JP (1) JPS63124390A (en)
GB (1) GB2196805B (en)
HK (1) HK85090A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02179493A (en) * 1988-12-29 1990-07-12 Seikosha Co Ltd Power supply apparatus for loaded hand
JPH074626Y2 (en) * 1989-09-04 1995-02-01 株式会社精工舎 Clock with luminous hands
FR2692749B1 (en) * 1992-06-17 1997-05-23 Comptoir General Impex ELECTRONIC LIGHT SHEET CONTROL CIRCUIT FOR SIGNALING AND MARKING DEVICE.
CH688952B5 (en) * 1994-05-26 1998-12-31 Ebauchesfabrik Eta Ag supply circuit for an electroluminescent sheet.
US5525866A (en) * 1995-01-06 1996-06-11 Mueller; Gerd O. Edge emitter as a directional line source
JPH08237959A (en) * 1995-02-28 1996-09-13 S G S Thomson Micro Electron Kk Power supply circuit
US5896287A (en) * 1995-10-30 1999-04-20 Stmicroelectronics, K.K. Bridge-type direct current boost converter for driving a capacitive load
US5889660A (en) * 1997-03-06 1999-03-30 Eaton Corporation Isolated power supply for indicator light
AUPO721597A0 (en) * 1997-06-05 1997-07-03 Lumitex Pty Ltd An apparatus for driving an electro-luminescent device
EP0920103B1 (en) 1997-11-28 2003-02-26 STMicroelectronics S.r.l. A system for driving a reactive load
FR2775863A1 (en) * 1998-03-05 1999-09-03 Frederic Pierre Stephan Seneczko Automatic winking light with low energy requirement, useful for decoration particularly on Christmas trees
US6538346B2 (en) 1998-11-25 2003-03-25 Stmicroelectronics S.R.L. System for driving a reactive load
GB2379098B (en) * 2001-08-23 2005-06-15 Mark Purcell Tunable and efficient capacitive load driver
GB0412058D0 (en) * 2004-05-28 2004-06-30 Pelikon Ltd Driving electroluminescent displays
CN114079367B (en) * 2020-08-11 2024-08-02 比亚迪半导体股份有限公司 Power tube driving circuit and power tube driving method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB785884A (en) * 1955-03-01 1957-11-06 Ferguson Radio Corp Improvements in and relating to the operation of electroluminescent devices
GB1382256A (en) * 1970-12-29 1975-01-29 Int Scanning Devices Electroluminescent device
US4208869A (en) * 1976-07-31 1980-06-24 Citizen Watch Co., Ltd. Illumination device for electronic timepiece
US4449075A (en) * 1982-09-13 1984-05-15 Timex Corporation Electroluminescent lamp driver
WO1986001364A1 (en) * 1984-08-16 1986-02-27 Ball Engineering Corp. Load responsive inverter for electroluminescent lamp
WO1986005304A1 (en) * 1985-02-28 1986-09-12 Motorola, Inc. A low voltage power source power inverter for an electroluminescent device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB785884A (en) * 1955-03-01 1957-11-06 Ferguson Radio Corp Improvements in and relating to the operation of electroluminescent devices
GB1382256A (en) * 1970-12-29 1975-01-29 Int Scanning Devices Electroluminescent device
US4208869A (en) * 1976-07-31 1980-06-24 Citizen Watch Co., Ltd. Illumination device for electronic timepiece
US4449075A (en) * 1982-09-13 1984-05-15 Timex Corporation Electroluminescent lamp driver
WO1986001364A1 (en) * 1984-08-16 1986-02-27 Ball Engineering Corp. Load responsive inverter for electroluminescent lamp
WO1986005304A1 (en) * 1985-02-28 1986-09-12 Motorola, Inc. A low voltage power source power inverter for an electroluminescent device

Also Published As

Publication number Publication date
GB8716935D0 (en) 1987-08-26
GB2196805A (en) 1988-05-05
JPS63124390A (en) 1988-05-27
HK85090A (en) 1990-10-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970717