Liquid crystal display

Details Liquid crystal display Liquid crystal display

1993-08-20

1995-02-14

Wu, Shean

Compositions

Liquid crystal compositions

428 1, 359 81, C09K 1900, G02F 11339

Patent

active

053892887

ABSTRACT:
A liquid crystal display which can provide a homogeneous display by preventing an abnormal orientation of a liquid crystal around the spacers or between the spacers during energization, and which comprises spacer particles each having, at least on the surface thereof, a nonionic hydrophilic unit represented by the following formula (1): ##STR1## wherein R represents a C.sub.1 -C.sub.18 alkyl group, a C.sub.2 -C.sub.18 alkenyl group, a C.sub.6 -C.sub.18 aryl group, a C.sub.7 -C.sub.18 alkylaryl group, a C.sub.1 -C.sub.18 acyl group, a C.sub.2 -C.sub.18 alkylcarbamoyl group, a C.sub.2 -C.sub.18 acylcarbamoyl group or a C.sub.7 -C.sub.18 arylcarbamoyl group; R.sub.1 represents a linear or branched alkylene group having 2 to 4 carbon atoms wherein a hydroxyl group may be substituted for a hydrogen atom on the alkylene group; and m is a positive number of 1 to 100 on the average, with the proviso that the plural R.sub.1 's may be the same or different from each other.

REFERENCES:
patent: 4470668 (1984-09-01), Inoue et al.
patent: 5223964 (1993-06-01), Nagano et al.
patent: 5231527 (1993-07-01), Takanashi et al.

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