GB2204993B - Improved electroluminescent lamp - Google Patents

Improved electroluminescent lamp

Info

Publication number
GB2204993B
GB2204993B GB8721176A GB8721176A GB2204993B GB 2204993 B GB2204993 B GB 2204993B GB 8721176 A GB8721176 A GB 8721176A GB 8721176 A GB8721176 A GB 8721176A GB 2204993 B GB2204993 B GB 2204993B
Authority
GB
United Kingdom
Prior art keywords
electroluminescent lamp
improved electroluminescent
improved
lamp
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
GB8721176A
Other versions
GB8721176D0 (en
GB2204993A (en
Inventor
Donald R Kardon
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.)
BONAR KARD O LITE Inc
Original Assignee
BONAR KARD O LITE Inc
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 BONAR KARD O LITE Inc filed Critical BONAR KARD O LITE Inc
Publication of GB8721176D0 publication Critical patent/GB8721176D0/en
Publication of GB2204993A publication Critical patent/GB2204993A/en
Application granted granted Critical
Publication of GB2204993B publication Critical patent/GB2204993B/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
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
GB8721176A 1987-05-18 1987-09-09 Improved electroluminescent lamp Expired - Fee Related GB2204993B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5034087A 1987-05-18 1987-05-18

Publications (3)

Publication Number Publication Date
GB8721176D0 GB8721176D0 (en) 1987-10-14
GB2204993A GB2204993A (en) 1988-11-23
GB2204993B true GB2204993B (en) 1991-05-15

Family

ID=21964693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8721176A Expired - Fee Related GB2204993B (en) 1987-05-18 1987-09-09 Improved electroluminescent lamp

Country Status (1)

Country Link
GB (1) GB2204993B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5697322A (en) * 1996-01-30 1997-12-16 Durel Corporation Analog display having electroluminescent pointer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB764867A (en) * 1954-07-12 1957-01-02 Gen Electric Co Ltd Improvements in or relating to electroluminescent devices
GB774092A (en) * 1952-11-29 1957-05-08 British Thomson Houston Co Ltd Improvements in and relating to electroluminescent cells
US4138620A (en) * 1978-03-24 1979-02-06 Minnesota Mining And Manufacturing Company Multi-panel electroluminescent light assembly
US4560902A (en) * 1983-07-18 1985-12-24 Kardon Donald R Adhesively bonded electroluminescent system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB774092A (en) * 1952-11-29 1957-05-08 British Thomson Houston Co Ltd Improvements in and relating to electroluminescent cells
GB764867A (en) * 1954-07-12 1957-01-02 Gen Electric Co Ltd Improvements in or relating to electroluminescent devices
US4138620A (en) * 1978-03-24 1979-02-06 Minnesota Mining And Manufacturing Company Multi-panel electroluminescent light assembly
US4560902A (en) * 1983-07-18 1985-12-24 Kardon Donald R Adhesively bonded electroluminescent system

Also Published As

Publication number Publication date
GB8721176D0 (en) 1987-10-14
GB2204993A (en) 1988-11-23

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Legal Events

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

Effective date: 19960909