Compositions – Liquid crystal compositions – Containing nonchiral additive having no specified mesophase
Patent
1990-10-17
1992-06-16
Stoll, Robert L.
Compositions
Liquid crystal compositions
Containing nonchiral additive having no specified mesophase
25229901, C09K 1954, C09K 1952
Patent
active
051222965
ABSTRACT:
This invention prevents a time-course deterioration of characteristics of a liquid crystal panel and dramatically increases the life of the panel by using a ferroelectric liquid crystal composition in which a proper amount of aliphatic amine or epoxy compound is added to a ferroelectric liquid crystal material.
REFERENCES:
patent: 4769448 (1988-09-01), Heeger et al.
patent: 4970022 (1990-11-01), Scheuble et al.
Lochmuller et al., Journal of Chromatography, (1979), vol. 178, pp. 411-417.
Bialecka-Florjanczyk, Molecular Crystals and Liquid Crystals+Letters, vol. 82, No. 7, 1982, pp. 243-246.
Optronics (1983), No. 9.
Johten Kazuhiro
Mochizuki Hideaki
Onishi Hiroyuki
Satani Hiroshi
Uemura Tsuyoshi
Matsushita Electric - Industrial Co., Ltd.
Stoll Robert L.
Tucker Philip
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