Compositions – Liquid crystal compositions
Patent
1990-10-10
1992-04-28
Stoll, Robert L.
Compositions
Liquid crystal compositions
359103, C09K 1952, G02F 113
Patent
active
051086506
ABSTRACT:
An antiferroelectric liquid crystal display device including a specific antiferroelectric liquid crystal composition layer comprising at least one compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an optionally substituted alkyl or alkoxy group having 1 to 15 carbon atoms, R.sup.2 represents an optionally substituted alkyl group having 1 to 15 carbon atoms, X represents a hydrogen or fluorine atom, m and n independently represents an integer 1 or 2, and * represents an asymmetric carbon atom, and at least one compound represented by the following general formula (II): ##STR2## wherein R.sup.3 represents an optionally substituted alkyl or alkoxy group, having 1 to 15 carbon atoms, R.sup.4 represents an optionally substituted alkyl group, having 1 to 15 carbon atoms, ##STR3## X represents a single bond or --COO--, Y represents a single bond, --O--, or --COO--, and k represents an integer 0 or 1.
REFERENCES:
patent: 4882083 (1989-11-01), Terashima et al.
patent: 4918213 (1990-04-01), Nohira et al.
patent: 4921632 (1990-05-01), Nakamura et al.
patent: 4931208 (1990-06-01), Furakawa et al.
Japanese Unexamined Patent Publication No. SHO63 (1988)-307837.
Chandani et al., "Antiferroelectric Chiral Smetic Phases Responsible for the Tristable Switching in MHPOBC"]Japanese Journal of Applied Physics, vol. 28, No. 7, Jul. 1989, pp. L1265-1268.
"High Molecular Ferroelectric Liquid Crystal and Molecular Design Thereof" Kinov Zairyou, No. 9, 1989, pp. 43-48.
Y. Suzuki et al. "New Flourine-Containing Ferroelectic Liquid Crystal Compounds, Showing Tristable Switching", Liquid Crystals, vol. 6, No. 2, 1989, pp. 167-174.
European Patent Publication 0,327,349 A2, Aug. 9, 1989.
European Patent Publication 0,332,392 A2, Sep. 13, 1989.
Funada Fumiaki
Ito Keizo
Koden Mitsuhiro
Shiomi Makoto
Castle Donald R.
Conlin David G.
Sharp Kabushiki Kaisha
Stoll Robert L.
Wu Shean C.
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