Alignment layer orientation in raster scan thermally...

G - Physics – 09 – F

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G09F 9/35 (2006.01) G02F 1/133 (2006.01) G02F 1/1335 (2006.01) G02F 1/1337 (2006.01)

Patent

CA 1247726

ALIGNMENT LAYER ORIENTATION IN RASTER SCAN THERMALLY ADDRESSED SMECTIC LIQUID CRYSTAL DISPLAYS Abstract of the Disclosure The orientation of the alignment layer in a raster- scanned thermally addressed smectic liquid crystal display device can be chosen relative to the writing orientation to accentuate a selected characteristic. A perpendicular alignment with respect to the scan direction produces uniformly written images in both scan directions to allow high quality bidirectional writing. In a preferred embodiment the liquid crystal cell includes a liquid crystal material comprising 4- octyloxy-4'-cyanobiphenyl 37.5%, 4-decyl-4'- cyanobiphenyl 36.8% weight percent and 4-undecyl-4'- cyanobiphenyl 25.7 weight percent.

464051

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