Thin film el device and method of manufacturing the same

Details Thin film el device and method of manufacturing the same Thin film el device and method of manufacturing the same

1986-12-30

1988-12-27

Moore, David K.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313498, 313113, H05B 3314, H05B 3322

Patent

active

047943025

ABSTRACT:
The thin film EL device includes a luminescent layer made of column polycrystals formed by independently evaporating luminescent host material and an activator and then combining evaporated substances on a substrate.
Electrons in the luminescent layer are accelerated by electric field applied from outside efficiently collide against the activator without being intercepted by interfaces between crystalline particles. The thin film EL device can be used for display, illumination, writing, reading out and erasure of signals of photo- recording medium.

REFERENCES:
patent: 4508610 (1985-04-01), Freeman et al.
patent: 4602189 (1986-07-01), Panicker
patent: 4647813 (1987-03-01), Kitabayashi et al.

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