Electrically controlled liquid crystal display device for...

Details Electrically controlled liquid crystal display device for... Electrically controlled liquid crystal display device for...

G - Physics

09

F

375/39, 345/8

G09F 9/00 (2006.01) G02F 1/1335 (2006.01) G02F 1/1343 (2006.01) G09F 13/04 (2006.01) G02F 1/13363 (2006.01)

Patent

CA 1085072

Abstract of the Disclosure This invention provides a nematic liquid crystal display device for displaying a first information in the absence of any control and substituting for that another information, or successively several other informations, by application of a control voltage. Several embodiments are described, in which either rotatory polarisation effect in twisted structures or dynamic scattering effect are used.

287385

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