Electrode configurations for an electrophoretic display device

Details Electrode configurations for an electrophoretic display device Electrode configurations for an electrophoretic display device

1984-12-31

1987-03-10

Demers, Arthur P.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204299R, 350362, 430 32, 430 35, 430 36, B01K 500, G02? 140

Patent

active

046489568

ABSTRACT:
An electrophoretic display device is set forth having various electrode schemes in order to modulate transmission of light through the device. The electrophoretic particles of the suspension form an imaging structure relating to an array of small unit cells or pixels which are turned on or off by appropriate electrical signals. Accordingly, the pigment particles totally cover transparent electrodes, which condition can be changed by applying the appropriate electric field to the opposite electrode. By this structure, various alphanumeric displays can be constructed.

REFERENCES:
patent: Re28360 (1975-03-01), Evans et al.
patent: 3668106 (1972-06-01), Ota
patent: 3689399 (1972-09-01), Ota
patent: 3756693 (1973-09-01), Ota
patent: 4043655 (1977-08-01), Silverberg
patent: 4294518 (1981-10-01), O'Connor et al.
patent: 4522472 (1985-06-01), Liebert et al.

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