GB2176341B - High contrast electroluminescent displays - Google Patents

High contrast electroluminescent displays

Info

Publication number
GB2176341B
GB2176341B GB8518525A GB8518525A GB2176341B GB 2176341 B GB2176341 B GB 2176341B GB 8518525 A GB8518525 A GB 8518525A GB 8518525 A GB8518525 A GB 8518525A GB 2176341 B GB2176341 B GB 2176341B
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
GB8518525A
Other versions
GB8518525D0 (en
GB2176341A (en
Inventor
Malcolm Henry Higton
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
Priority claimed from US06/741,118 external-priority patent/US4672264A/en
Application filed by Phosphor Products Co Ltd filed Critical Phosphor Products Co Ltd
Publication of GB8518525D0 publication Critical patent/GB8518525D0/en
Publication of GB2176341A publication Critical patent/GB2176341A/en
Application granted granted Critical
Publication of GB2176341B publication Critical patent/GB2176341B/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
    • 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
GB8518525A 1985-06-04 1985-07-23 High contrast electroluminescent displays Expired GB2176341B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/741,118 US4672264A (en) 1985-01-08 1985-06-04 High contrast electroluminescent display panels

Publications (3)

Publication Number Publication Date
GB8518525D0 GB8518525D0 (en) 1985-08-29
GB2176341A GB2176341A (en) 1986-12-17
GB2176341B true GB2176341B (en) 1989-07-05

Family

ID=24979468

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8518525A Expired GB2176341B (en) 1985-06-04 1985-07-23 High contrast electroluminescent displays

Country Status (1)

Country Link
GB (1) GB2176341B (en)

Families Citing this family (2)

* 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
GB2263194B (en) * 1992-01-09 1995-11-01 Univ Hull Electroluminescent device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0139281A1 (en) * 1983-10-11 1985-05-02 GTE Products Corporation A thin film electroluminescent display device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0139281A1 (en) * 1983-10-11 1985-05-02 GTE Products Corporation A thin film electroluminescent display device

Also Published As

Publication number Publication date
GB8518525D0 (en) 1985-08-29
GB2176341A (en) 1986-12-17

Similar Documents

Publication Publication Date Title
GB2172733B (en) Colour displays
GB2174834B (en) Display assembly
GB8516232D0 (en) Colour displays
GB8520247D0 (en) Display devices
GB2161011B (en) El display arrangements
GB2161306B (en) El display arrangements
EP0197779A3 (en) Display case
GB2178939B (en) Display case
GB2177838B (en) Electroluminescent display with enhanced contrast
GB8522143D0 (en) Electroluminescent devices
GB2176340B (en) High contrast electroluminescent displays
GB2177540B (en) Phosphorescent material for electroluminescent display
GB2173630B (en) Display signs
GB2176341B (en) High contrast electroluminescent displays
GB8513600D0 (en) Display component
GB8514042D0 (en) Display case
GB8512839D0 (en) Display devices
DE3375273D1 (en) Electroluminescent display
GB2178213B (en) Electroluminescent display panels
GB8430751D0 (en) Electroluminescent displays
GB8430735D0 (en) Electroluminescent displays
GB2173334B (en) Display mount
GB8524580D0 (en) Hand-up displays
GB2177531B (en) Improved matrix displays
CA54738S (en) Display

Legal Events

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