G - Physics – 01 – R
Patent
G - Physics
01
R
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G01R 13/40 (2006.01) G02F 1/1343 (2006.01) G02F 1/137 (2006.01)
Patent
CA 1124372
1 PHN 9213 ABSTRACT: In liquid crystal matrix display device in which the bistability effect of a cholesteric liquid cry- stal is used, the number of lines to be driven is increased by providing the electrodes (5) on grooves (3) provided in the supporting plates (1.2). The electrodes (5) partly overlap the part of a supporting plate present between two grooves. The electrode surface and the remaining surface of the supporting plates are covered by a dielectric layer (7). The grooves have a depth which is equal to half the desired thickness of the liquid crystal layer. Herewith a uniform thickness of the liquid crystal layer is also obtained.
334058
de Zwart Maarten
Lathouwers Theodorus W.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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