GB2327523B - Electroluminescent lamp driver - Google Patents

Electroluminescent lamp driver

Info

Publication number: GB2327523B
Authority: GB; United Kingdom
Prior art keywords: lamp driver; electroluminescent lamp; electroluminescent; driver; lamp
Prior art date: 1997-07-18
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

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.)

1997-07-18

Filing date

1997-07-18

Publication date

1999-12-15

1997-07-18Application filed by INMATIC LtdfiledCriticalINMATIC Ltd

1997-07-18Priority to GB9715172ApriorityCriticalpatent/GB2327523B/en

1997-09-24Publication of GB9715172D0publicationCriticalpatent/GB9715172D0/en

1998-07-17Priority to AU84505/98Aprioritypatent/AU8450598A/en

1998-07-17Priority to PCT/GB1998/002134prioritypatent/WO1999004382A1/en

1999-01-27Publication of GB2327523ApublicationCriticalpatent/GB2327523A/en

1999-12-15Application grantedgrantedCritical

1999-12-15Publication of GB2327523BpublicationCriticalpatent/GB2327523B/en

2017-07-18Anticipated expirationlegal-statusCritical

StatusExpired - Fee Relatedlegal-statusCriticalCurrent

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)

GB9715172A1997-07-181997-07-18Electroluminescent lamp driverExpired - Fee RelatedGB2327523B (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
GB9715172AGB2327523B (en)	1997-07-18	1997-07-18	Electroluminescent lamp driver
AU84505/98AAU8450598A (en)	1997-07-18	1998-07-17	Electroluminescent lamp driver
PCT/GB1998/002134WO1999004382A1 (en)	1997-07-18	1998-07-17	Electroluminescent lamp driver

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9715172AGB2327523B (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
GB2327523Btrue GB2327523B (en)	1999-12-15

Family

ID=10816076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9715172AExpired - Fee RelatedGB2327523B (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
WO2007091020A1 (en)*	2006-02-10	2007-08-16	Pelikon Limited	Drive 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	EL lamp drive device
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

1997
- 1997-07-18GBGB9715172Apatent/GB2327523B/ennot_activeExpired - Fee Related
1998
- 1998-07-17WOPCT/GB1998/002134patent/WO1999004382A1/enactiveApplication Filing
- 1998-07-17AUAU84505/98Apatent/AU8450598A/ennot_activeAbandoned

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

Publication	Publication Date	Title
TW411079U (en)	2000-11-01	Electroluminescent lamp
GB2331625B (en)	2003-02-26	led Lamp
AU4071297A (en)	1998-03-06	Electroluminescent lamp designs
AU1499099A (en)	1999-06-28	Led lamp
GB2326931B (en)	1999-04-14	Vehicle lamp
GB2321100B (en)	1998-11-25	Vehicle lamp
GB2330405B (en)	1999-09-08	Vehicle lamp
GB2324365B (en)	1999-04-07	Vehicle lamp
GB2325515B (en)	1999-04-28	Vehicle lamp
GB2321956B (en)	1998-12-30	Vehicle lamp
GB2327523B (en)	1999-12-15	Electroluminescent lamp driver
GB9825945D0 (en)	1999-01-20	Vehicle lamp
GB2326225B (en)	1999-06-09	Vehicle lamp
GB2332740B (en)	2000-06-21	Vehicle lamp
GB2325516B (en)	1999-04-07	Vehicle lamp
GB2381380B (en)	2003-06-18	LED lamp
GB2332505B (en)	2001-09-05	Lighting unit
TW331919U (en)	1998-05-11	Improved lighting
CA80094S (en)	1997-02-28	Lamp
CA81246S (en)	1997-07-18	Lamp
CA81966S (en)	1997-10-10	Lamp
CA80093S (en)	1997-02-28	Lamp
TW341423U (en)	1998-09-21	LED vehicle bulb
GB9707350D0 (en)	1997-05-28	Lighting unit
TW344968U (en)	1998-11-11	Luminous badage

Legal Events

Date	Code	Title	Description
2002-03-13	PCNP	Patent ceased through non-payment of renewal fee	Effective date:20010718

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