Method of manufacturing a thin film EL device by multisource dep

Details Method of manufacturing a thin film EL device by multisource dep Method of manufacturing a thin film EL device by multisource dep

1988-10-28

1991-04-09

Morgenstern, Norman

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

4272552, 4272557, 427255, 4274191, 4274192, 4274197, 313509, 313498, B05D 512, H01J 162, H01J 6304

Patent

active

050063650

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

REFERENCES:
patent: 4416933 (1983-11-01), Antson et al.
patent: 4418118 (1983-11-01), Lindors
patent: 4455506 (1984-06-01), Ayyagari et al.
patent: 4617195 (1986-10-01), Mental
patent: 4672266 (1987-06-01), Taniguchi et al.
patent: 4686110 (1987-08-01), Endo et al.
patent: 4693906 (1987-09-01), Lindmayer
patent: 4775549 (1988-10-01), Ota et al.

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