Liquid crystal display cell of the reflection type

Details Liquid crystal display cell of the reflection type Liquid crystal display cell of the reflection type

1978-02-22

1980-02-26

Bauer, Edward S.

350336, G02F 113

Patent

active

041903293

ABSTRACT:
A liquid crystal display cell of the reflection type comprises a substrate on which reflection electrodes are formed, a transparent substrate on which transparent electrodes are formed and a liquid crystal composition filled between said two substrates. Activating voltage signals are applied between said two electrodes, thereby to drive the liquid crystal display cell to display desired symbols. A reflection film is formed on at least one of said two substrates in such a manner that the reflection film is electrically isolated from said reflection electrodes and the reflection film covers a position where the symbols are never displayed, or the reflection electrodes are not formed. The visibility of the information displayed on the liquid crystal cell can be enhanced because the reflection electrodes and the reflection film, in combination, cover the display panel uniformly.

REFERENCES:
patent: 3814501 (1974-06-01), Schindler
patent: 4012119 (1977-03-01), Adams et al.

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