GB2327523B - Electroluminescent lamp driver - Google Patents

Electroluminescent lamp driver

Info

Publication number
GB2327523B
GB2327523B GB9715172A GB9715172A GB2327523B GB 2327523 B GB2327523 B GB 2327523B GB 9715172 A GB9715172 A GB 9715172A GB 9715172 A GB9715172 A GB 9715172A GB 2327523 B GB2327523 B GB 2327523B
Authority
GB
United Kingdom
Prior art keywords
lamp driver
electroluminescent lamp
electroluminescent
driver
lamp
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
GB9715172A
Other versions
GB9715172D0 (en
GB2327523A (en
Inventor
Peter Alan Walker
John Graham Gaskin
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.)
INMATIC Ltd
Original Assignee
INMATIC 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 INMATIC Ltd filed Critical INMATIC Ltd
Priority to GB9715172A priority Critical patent/GB2327523B/en
Publication of GB9715172D0 publication Critical patent/GB9715172D0/en
Priority to AU84505/98A priority patent/AU8450598A/en
Priority to PCT/GB1998/002134 priority patent/WO1999004382A1/en
Publication of GB2327523A publication Critical patent/GB2327523A/en
Application granted granted Critical
Publication of GB2327523B publication Critical patent/GB2327523B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of El Displays (AREA)
GB9715172A 1997-07-18 1997-07-18 Electroluminescent lamp driver Expired - Fee Related GB2327523B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9715172A GB2327523B (en) 1997-07-18 1997-07-18 Electroluminescent lamp driver
AU84505/98A AU8450598A (en) 1997-07-18 1998-07-17 Electroluminescent lamp driver
PCT/GB1998/002134 WO1999004382A1 (en) 1997-07-18 1998-07-17 Electroluminescent lamp driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9715172A GB2327523B (en) 1997-07-18 1997-07-18 Electroluminescent lamp driver

Publications (3)

Publication Number Publication Date
GB9715172D0 GB9715172D0 (en) 1997-09-24
GB2327523A GB2327523A (en) 1999-01-27
GB2327523B true GB2327523B (en) 1999-12-15

Family

ID=10816076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9715172A Expired - Fee Related GB2327523B (en) 1997-07-18 1997-07-18 Electroluminescent lamp driver

Country Status (3)

Country Link
AU (1) AU8450598A (en)
GB (1) GB2327523B (en)
WO (1) WO1999004382A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10062363A1 (en) * 2000-12-14 2002-07-04 Bsh Bosch Siemens Hausgeraete Electronic circuit for generating supply voltage for electroluminescent element has microprocessor for generating logic signal, arrangement for converting logic signal to supply signal
GB2373910B (en) * 2001-03-29 2003-02-12 Spiridon Vlahos Illuminated displays
EP1526760A1 (en) * 2003-10-21 2005-04-27 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Multiple electroluminescent lamp driver
GB0412058D0 (en) * 2004-05-28 2004-06-30 Pelikon Ltd Driving electroluminescent displays
ATE468003T1 (en) * 2006-02-10 2010-05-15 Pelikon Ltd CONTROL CIRCUITS FOR CAPACITIVE LOADS
SG151144A1 (en) * 2007-10-04 2009-04-30 Singapore Polytechnic A system for driving a capacitive load

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2106299A (en) * 1981-09-23 1983-04-07 Smiths Industries Plc Electroluminescent display device
WO1986001364A1 (en) * 1984-08-16 1986-02-27 Ball Engineering Corp. Load responsive inverter for electroluminescent lamp
GB2165078A (en) * 1984-09-28 1986-04-03 Sharp Kk Thin-film el display panel drive circuit
US5517089A (en) * 1993-10-28 1996-05-14 Abbott Laboratories Regulated electroluminescent panel power supply
WO1997027725A1 (en) * 1996-01-22 1997-07-31 Seg Corporation Power supply for electroluminescent lamps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642524A (en) * 1985-01-08 1987-02-10 Hewlett-Packard Company Inverse shadowing in electroluminescent displays
JPH0447698A (en) * 1990-06-13 1992-02-17 Canon Inc Driving device for el lamp
WO1993007733A1 (en) * 1991-10-11 1993-04-15 Norand Corporation Drive circuit for electroluminescent panels and the like
US5293098A (en) * 1992-02-26 1994-03-08 Seg Corporation Power supply for electroluminescent lamps
US5493183A (en) * 1994-11-14 1996-02-20 Durel Corporation Open loop brightness control for EL lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2106299A (en) * 1981-09-23 1983-04-07 Smiths Industries Plc Electroluminescent display device
WO1986001364A1 (en) * 1984-08-16 1986-02-27 Ball Engineering Corp. Load responsive inverter for electroluminescent lamp
GB2165078A (en) * 1984-09-28 1986-04-03 Sharp Kk Thin-film el display panel drive circuit
US5517089A (en) * 1993-10-28 1996-05-14 Abbott Laboratories Regulated electroluminescent panel power supply
WO1997027725A1 (en) * 1996-01-22 1997-07-31 Seg Corporation Power supply for electroluminescent lamps

Also Published As

Publication number Publication date
WO1999004382A1 (en) 1999-01-28
AU8450598A (en) 1999-02-10
GB9715172D0 (en) 1997-09-24
GB2327523A (en) 1999-01-27

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Legal Events

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

Effective date: 20010718