GB2195823B - Thin film electroluminescent device - Google Patents

Thin film electroluminescent device

Info

Publication number
GB2195823B
GB2195823B GB8709099A GB8709099A GB2195823B GB 2195823 B GB2195823 B GB 2195823B GB 8709099 A GB8709099 A GB 8709099A GB 8709099 A GB8709099 A GB 8709099A GB 2195823 B GB2195823 B GB 2195823B
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.)
Expired - Lifetime
Application number
GB8709099A
Other languages
English (en)
Other versions
GB2195823A (en
GB8709099D0 (en
Inventor
Yoshiyuki Kageyama
Seiichi Oseto
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/ja
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 - Lifetime 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 - Lifetime GB2195823B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61228119A JPS62176093A (ja) 1985-10-16 1986-09-29 薄膜発光素子

Publications (3)

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

Family

ID=16871506

Family Applications (1)

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

Country Status (2)

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

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 (de) * 1989-06-23 1991-01-10 Sharp Kk Duennfilm-eld
CA2509417A1 (en) 2002-12-20 2004-07-08 Ifire Technology Corp. Aluminum nitride passivated phosphors for electroluminescent displays

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0189157A1 (en) * 1985-01-22 1986-07-30 Sharp Kabushiki Kaisha Thin film electroluminescence device

Family Cites Families (4)

* 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 (ja) * 1981-10-22 1983-04-28 シャープ株式会社 薄膜ｅｌ素子
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0189157A1 (en) * 1985-01-22 1986-07-30 Sharp Kabushiki Kaisha Thin film electroluminescence device

Also Published As

Publication number Publication date
GB2195823A (en) 1988-04-13
DE3712855C2 (enrdf_load_stackoverflow) 1991-11-28
DE3712855A1 (de) 1988-04-07
GB8709099D0 (en) 1987-05-20

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Legal Events

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

Effective date: 19940415