Electrophoretic imaging device

Details Electrophoretic imaging device Electrophoretic imaging device

1991-05-09

1992-09-29

Braun, Fred L.

Photocopying

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204299R, 430 32, G03G 1504, G03G 1510, G03G 1704

Patent

active

051517418

ABSTRACT:
An electrophoretic imaging device includes an electrosensitive layer; an insulating body arranged to confront the electrosensitive layer; a developing solution filled between the electrosensitive layer and the insulating body, with the developing solution prepared by dispersing two or more kinds of electrosensitive toners into an insulating solvent; a mechanism for applying a voltage between the electrosensitive layer and the insulating body; a mechanism for irradiating a toner selection light which causes at least one kind of electrosenstivie toner to be selectively sensitizxed; and an electrosensitive layer exposing mechanism for causing image data to be photosensitively written to the electrosensitive layer. In such an electrophoretic imaging device, the electrosensitive layer is made of at least two layers, a light-shielding layer and a photoelectric charge generating layer, from a side at which the electrosensitive layer is in contact with the developing solution, and the toner selection light irradiating mechanism is provided with a filter mechanism.

REFERENCES:
patent: 3723288 (1973-03-01), Weigl
patent: 4032226 (1977-06-01), Groner
patent: 4179209 (1979-12-01), Goren
patent: 4179290 (1979-12-01), Takahashi
patent: 4230405 (1980-10-01), Kurtz

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