Display system

Details Display system Display system

1973-04-09

1977-08-23

Prescott, Arthur C.

Photocopying

Including fiber optics

204180R, 204181, 204299R, 355 5, G03G 1500, G03G 1704

Patent

active

040436543

ABSTRACT:
A display device which responds to a light image to form a viewable image. The system is sealed and is filled with a fluid carrying a dilute suspension of particles between electrodes. A photoconductive layer is used on one electrode. Imagewise illumination of the photoconductive layer and application of electrical field between the two electrodes causes particle migration in image configuration which forms a visible image. Using a dark suspension may increase viewability.

REFERENCES:
patent: 2940847 (1960-06-01), Kaprelian
patent: 3384565 (1968-05-01), Tulagin et al.
patent: 3511651 (1970-05-01), Rosenberg
patent: 3689399 (1972-09-01), Ota
patent: 3864683 (1972-08-01), Ota

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