Liquid crystal display unit

Details Liquid crystal display unit Liquid crystal display unit

1980-07-18

1983-08-16

Corbin, John K.

350344, G02F 113

Patent

active

043988040

ABSTRACT:
A reflection type liquid crystal display unit wherein twisted nematic liquid crystal molecules are used in a field effect mode. A polarizing sheet placed on the upper surface of the liquid crystal display element of the unit is formed with spacer projections geometrically distributed substantially over the entire surface area of the display unit by an embossing process, thereby defining a clearance of uniform predetermined thickness between the polarizing plate and the liquid crystal display element. As a result of this arrangement, formation of interference fringes known as Newton's rings is prevented.

REFERENCES:
patent: 4104727 (1978-08-01), Washizuka et al.
patent: 4105292 (1978-08-01), Conder et al.
patent: 4295712 (1981-10-01), Ishiwatari

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