Liquid-crystal indicator

Details Liquid-crystal indicator Liquid-crystal indicator

1977-06-10

1978-12-05

Bauer, Edward S.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, G02F 113

Patent

active

041283147

ABSTRACT:
The present invention relates to a liquid-crystal indicator, wherein a layer of nematic liquid crystals is interposed between two transparent multi-layered blocks. Each of the multi-layered blocks comprises successively disposed, in a direction from the layer of the liquid crystals, a layer of germanium oxide ensuring a twisted structure of the liquid crystals, a current-conducting layer, a dielectric layer and a polarizing layer. The use of germanium oxide makes it possible to lower the control voltage of the indicator to values of below 1.8 V.

REFERENCES:
patent: 3938342 (1976-02-01), Sussman
patent: 4043647 (1977-08-01), Oues et al.

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