Thin film electroluminescence display element

Details Thin film electroluminescence display element Thin film electroluminescence display element

1992-09-29

1994-11-29

Oberley, Alvin E.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

428690, H05B 3314, H01L 3300

Patent

active

053693337

ABSTRACT:
A thin film EL display element that excels in luminous efficiency, is stable, and has a superior service life, is provided. The thin film EL display element comprises a lower electrode, a first insulating film, a luminescent film, a second insulating layer, and an upper electrode formed on an insulating base substrate in this order; the second insulating layer comprises a thin film that is adjacent to the luminescent layer. The thin film comprises a sulfide or a selenide that does not form any sulfate or selenate.

REFERENCES:
patent: 4099091 (1978-07-01), Yamazoe et al.
patent: 5055363 (1991-10-01), Tomomura et al.
patent: 5220243 (1993-06-01), Klinedinst et al.
Kenkyo Jujuyoka Mokoku, vol. 36, No. 5, (1987) pp. 811-819 (with English Abstract).
Tannas, Jr, Flat-Panel Displays and CRTs 1985, pp. 247-250.

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