GB8709099D0 - Thin film electroluminescent device - Google Patents

Thin film electroluminescent device

Info

Publication number
GB8709099D0
GB8709099D0 GB878709099A GB8709099A GB8709099D0 GB 8709099 D0 GB8709099 D0 GB 8709099D0 GB 878709099 A GB878709099 A GB 878709099A GB 8709099 A GB8709099 A GB 8709099A GB 8709099 D0 GB8709099 D0 GB 8709099D0
Authority
GB
United Kingdom
Prior art keywords
thin film
electroluminescent device
film electroluminescent
thin
film
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.)
Granted
Application number
GB878709099A
Other versions
GB2195823A (en
GB2195823B (en
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 JP61228119A external-priority patent/JPS62176093A/en
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB8709099D0 publication Critical patent/GB8709099D0/en
Publication of GB2195823A publication Critical patent/GB2195823A/en
Application granted granted Critical
Publication of GB2195823B publication Critical patent/GB2195823B/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
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • H05B33/145—Arrangements of the electroluminescent material
    • 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
GB8709099A 1986-09-29 1987-04-15 Thin film electroluminescent device Expired - Fee Related GB2195823B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61228119A JPS62176093A (en) 1985-10-16 1986-09-29 Thin film light emitting device

Publications (3)

Publication Number Publication Date
GB8709099D0 true GB8709099D0 (en) 1987-05-20
GB2195823A GB2195823A (en) 1988-04-13
GB2195823B GB2195823B (en) 1990-01-10

Family

ID=16871506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8709099A Expired - Fee Related GB2195823B (en) 1986-09-29 1987-04-15 Thin film electroluminescent device

Country Status (2)

Country Link
DE (1) DE3712855A1 (en)
GB (1) GB2195823B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9004480D0 (en) * 1989-03-15 1990-04-25 Asahi Chemical Ind High luminance thin-fim electroluminescent device
DE4019988A1 (en) * 1989-06-23 1991-01-10 Sharp Kk Thin film electroluminescent display - consisting of luminescent layer between dielectric multilayers in which one multilayer is desired to improve voltage dependent properties
CA2509417A1 (en) * 2002-12-20 2004-07-08 Ifire Technology Corp. Aluminum nitride passivated phosphors for electroluminescent displays

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188565A (en) * 1977-09-16 1980-02-12 Sharp Kabushiki Kaisha Oxygen atom containing film for a thin-film electroluminescent element
JPS5871589A (en) * 1981-10-22 1983-04-28 シャープ株式会社 Thin film el element
EP0109589A1 (en) * 1982-11-15 1984-05-30 GTE Products Corporation Electroluminescent thin film display device
CA1243762A (en) * 1983-10-11 1988-10-25 Martin P. Schrank Thin film electroluminescent display device
US4717858A (en) * 1985-01-22 1988-01-05 Sharp Kabushiki Kaisha Thin film electroluminescence device

Also Published As

Publication number Publication date
DE3712855C2 (en) 1991-11-28
DE3712855A1 (en) 1988-04-07
GB2195823A (en) 1988-04-13
GB2195823B (en) 1990-01-10

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Legal Events

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

Effective date: 19940415