Process for positioning the liquid medium in a liquid medium cel

Details Process for positioning the liquid medium in a liquid medium cel Process for positioning the liquid medium in a liquid medium cel

1982-05-12

1983-10-04

Dixon, Jr., William R.

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

350330, 350334, 350343, C09K 334, G02F 113

Patent

active

044078706

ABSTRACT:
The invention relates to a process for positioning the liquid medium in a liquid medium cell and to a corresponding cell.
The cell comprises a liquid medium placed between two walls kept spaced from one another, e.g. by shims, and joined along the edge thereof, wherein it comprises first means for producing a first surface tension force in a first area and second means for producing a second surface tension force in a second area, the first surface tension force being higher the the second surface tension force, said means serving to correctly position the liquid medium between the two walls, the liquid medium then being located in the first area and outside the second area.

REFERENCES:
patent: 3995941 (1976-12-01), Nagahara et al.
patent: 4013344 (1977-03-01), Bescond
patent: 4091847 (1978-05-01), Sorkin
patent: 4105298 (1978-08-01), Levine et al.
patent: 4224093 (1980-09-01), Kohyama et al.
patent: 4273420 (1981-06-01), Watanabe et al.
patent: 4297401 (1981-10-01), Chern et al.
Kahn et al., "Surface Produced Alignment of Liquid Crystals", Proceedings of the IEEE vol. 61, #7, Jul. 1973, pp. 823-828.

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