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GB2176340B - High contrast electroluminescent displays - Google Patents

High contrast electroluminescent displays

Info

Publication number
GB2176340B
GB2176340B GB8518524A GB8518524A GB2176340B GB 2176340 B GB2176340 B GB 2176340B GB 8518524 A GB8518524 A GB 8518524A GB 8518524 A GB8518524 A GB 8518524A GB 2176340 B GB2176340 B GB 2176340B
Authority
GB
United Kingdom
Prior art keywords
high contrast
electroluminescent displays
contrast electroluminescent
displays
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
Application number
GB8518524A
Other versions
GB2176340A (en
GB8518524D0 (en
Inventor
Malcolm Henry Higton
Aron Vecht
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.)
Phosphor Products Co Ltd
Original Assignee
Phosphor Products Co 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 Phosphor Products Co Ltd filed Critical Phosphor Products Co Ltd
Publication of GB8518524D0 publication Critical patent/GB8518524D0/en
Publication of GB2176340A publication Critical patent/GB2176340A/en
Application granted granted Critical
Publication of GB2176340B publication Critical patent/GB2176340B/en
Expired 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
    • H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
    • 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
GB8518524A 1985-06-04 1985-07-23 High contrast electroluminescent displays Expired GB2176340B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74111985A 1985-06-04 1985-06-04

Publications (3)

Publication Number Publication Date
GB8518524D0 GB8518524D0 (en) 1985-08-29
GB2176340A GB2176340A (en) 1986-12-17
GB2176340B true GB2176340B (en) 1989-07-05

Family

ID=24979473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8518524A Expired GB2176340B (en) 1985-06-04 1985-07-23 High contrast electroluminescent displays

Country Status (1)

Country Link
GB (1) GB2176340B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229628A (en) * 1989-08-02 1993-07-20 Nippon Sheet Glass Co., Ltd. Electroluminescent device having sub-interlayers for high luminous efficiency with device life
JP2000091067A (en) * 1998-09-10 2000-03-31 Pioneer Electronic Corp Organic electroluminescence device and method of manufacturing the same
GB9901334D0 (en) 1998-12-08 1999-03-10 Cambridge Display Tech Ltd Display devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017138A (en) * 1978-02-03 1979-10-03 Sharp Kk Light-Absorption Film for Rear Electrodes of Electroluminescent Display Panel
GB2039146A (en) * 1978-12-29 1980-07-30 Gte Sylvania Inc High contrast display device having a dark layer
GB2133927A (en) * 1982-12-10 1984-08-01 Nat Res Dev Electroluminescent devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2017138A (en) * 1978-02-03 1979-10-03 Sharp Kk Light-Absorption Film for Rear Electrodes of Electroluminescent Display Panel
GB2039146A (en) * 1978-12-29 1980-07-30 Gte Sylvania Inc High contrast display device having a dark layer
GB2133927A (en) * 1982-12-10 1984-08-01 Nat Res Dev Electroluminescent devices

Also Published As

Publication number Publication date
GB2176340A (en) 1986-12-17
GB8518524D0 (en) 1985-08-29

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Legal Events

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

Effective date: 19930723