Solid-state color imager with three layer four story structure

Details Solid-state color imager with three layer four story structure Solid-state color imager with three layer four story structure

1983-07-08

1984-03-20

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 43, H04N 907

Patent

active

044384556

ABSTRACT:
A solid-state color imager comprised of a solid-state base comprised of a plurality of electrical switching elements arranged in sets of three having superimposed thereon a plurality of photosensor layers which can detect and absorb different colors of light. Each photosensitive layer is comprised of an upper transparent continuous electrode sublayer, a photoconductive sublayer, and a back mosaic electrode sublayer which is electrically connected to said base. When light strikes the outermost photosensitive layer, light of a particular color is absorbed, and in connection with said base, its presence is electrically detected and recorded. The unabsorbed light continues to travel and strike the next succeeding photosensor layer whereat another color of light is absorbed and detected. The unabsorbed light passing through the second photosensor layer strikes the innermost photosensor layer which detects the remaining light. The photosensor layers are electrically insulated from each other and the base and make possible detection of three separate colors of light such as blue, green and red without the use of multi-color filter arrays.

REFERENCES:
patent: 3617753 (1971-11-01), Kato
patent: 3971065 (1976-07-01), Bayer
patent: 3984721 (1976-10-01), Sato
patent: 4047203 (1977-09-01), Dillon
patent: 4214264 (1980-07-01), Hayward
patent: 4315279 (1982-02-01), Kuwayama

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