Thin film EL panel

Details Thin film EL panel Thin film EL panel

1985-03-19

1987-05-26

Swisher, Nancy A.

Stock material or miscellaneous articles

Composite

Of inorganic material

428691, 428917, 313503, 313509, B32B 900, B32B 1900, H01J 162, H01J 6304

Patent

active

046685820

ABSTRACT:
New black color insulator thin films comprising Pr oxide, composite oxides of Pr-Mn, Pr-Ni, Pr-Co or Mn oxide are used to constitute at least one part or all parts of interface film between a phosphor film and a back electrode film of an AC thin film EL panel; and the panel with such a high contrast as 5:1 even at an illumination of 400 lux has been obtained.

REFERENCES:
patent: 3560784 (1971-02-01), Steele
patent: 3728594 (1973-04-01), Yim et al.
patent: 3775631 (1973-11-01), Morikawa
patent: 3854070 (1974-12-01), Vlasenko et al.
patent: 4099091 (1978-07-01), Yamazoe et al.
patent: 4213074 (1980-07-01), Kawaguchi et al.
patent: 4373145 (1983-02-01), McCarthy et al.
patent: 4394601 (1983-07-01), Takeda et al.
Okamoto, K., et al; Low-Threshold-Voltage Thin-Film Electroluminescent Devices, pp. 698-702; IEEE-Transactions on Electron Devices, vol. Ed-28, No. 6, Jun. 1981; Japan.
Yang, K. W., et al; Studies of Temperature Effects in AC Thin-Film El Devices; pp. 703-708; IEEE-Transactions on Electron Devices, vol. Ed-28, No. 6, Jun. 1981; Oregon, USA.

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