Method of making a thin film electroluminescence element

Details Method of making a thin film electroluminescence element Method of making a thin film electroluminescence element

1988-06-23

1989-11-07

Pianalto, Bernard

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 66, 427109, 4271263, 4271264, 4272557, 427294, 427348, 427350, 4274193, 4274197, B05D 306

Patent

active

048791393

ABSTRACT:
An EL element is composed of a glass base plate, a transparent electrode, a dielectric body layer, a luminous body layer, another dielectric body layer and a rear electrode which are piled on each other in order. An an electron inflow restraining layer is formed between the luminous body layer and another dielectric body layer. The luminous body layer is formed by doping Mn into a ZnS crystal and the electron inflow restraining layer is formed by irradiating gas ions of high energy to the surface of the luminous body layer. The electron inflow restraining layer restrains the inflow of electrons supplied to the luminous body layer while being accelerated by an electric field formed between the transparent electrode and the rear electrode.

REFERENCES:
patent: 3449748 (1969-06-01), Shortes
patent: 4394601 (1983-07-01), Takeda et al.
patent: 4590128 (1986-05-01), Kawai
patent: 4602189 (1986-07-01), Panicker
patent: 4613546 (1986-09-01), Kuwata et al.
patent: 4634639 (1987-01-01), Kawai

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