Light valve imaging apparatus having improved addressing electro

Details Light valve imaging apparatus having improved addressing electro Light valve imaging apparatus having improved addressing electro

1981-01-29

1983-09-27

Punter, William H.

350393, G02F 103

Patent

active

044065213

ABSTRACT:
An electro-optic modulator comprises a panel of electro-optic material containing a plurality of pixel regions which are activatable from an isotropic to birefringent state by application of an electric field, each pixel region including at least four linear electrodes extending transversely thereacross in a regularly spaced relation. In one preferred embodiment such electrodes have gaps therebetween in the range from about 50 microns to about 100 microns. In a related aspect the intra-pixel electrodes of each pixel region have a width in the range of from about 25 microns to 75 microns. In another aspect such electrodes can have one of several preferred structural configurations facilitating electrical addressing.

REFERENCES:
patent: 1939532 (1933-12-01), Zworykin
patent: 3696479 (1972-10-01), Dias
patent: 3701121 (1972-10-01), Fraser
patent: 3981559 (1976-09-01), Channin
patent: 4222638 (1980-09-01), Robert
patent: 4289384 (1981-09-01), Samek
Cutchen et al., PLZT Electrooptic Shutters; Applications App. Optics, 8-1975, pp. 1866-1873.
Gilmore, W. F., "Printed Circuit Generator", IBM Tech. Disc. Bull., 12-1969, p. 922.

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