Edge domain-free liquid crystal display of dot matrix type

Details Edge domain-free liquid crystal display of dot matrix type Edge domain-free liquid crystal display of dot matrix type

1984-03-28

1986-11-25

Corbin, John K.

350333, G02F 113

Patent

active

046245308

ABSTRACT:
A field effect mode liquid crystal display element displaying dot matrix pattern includes a cut-out portion formed either in the upper or lower electrode so that liquid crystal display molecules can be prevented from being inversely oriented at the edge of such a portion where these electrodes cross each other as might otherwise occur. The cutout portion prevents the liquid crystal display molecules from being inversely oriented at the edge of such a portion where these electrodes cross each other, thus significantly improving display quality. In addition, since such a cutout portion is provided by merely cutting off part of an electrode to prevent the unwanted inversion of LCD molecules during orientation, no specific signal process is required.

REFERENCES:
patent: 4105297 (1978-08-01), Shimizu
patent: 4140371 (1979-02-01), Kanazaki et al.
patent: 4392717 (1983-07-01), Shibuya et al.
Stephany, J. F., "Improved Liquid Crystal Display Electrodes," Xerox Disclosure J., vol. 5, No. 2, pp. 197-198 (Mar.-Apr. 1980).
Stephany, J. F., "Cosmetic Electrode Modification for LCD," Xerox Disclosure J., vol. 3, No. 4, pp. 251-252 (Jul.-Aug. 1978).

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