Compositions – Liquid crystal compositions
Patent
1994-12-07
1999-03-02
Wu, Shean C.
Compositions
Liquid crystal compositions
25229961, 25229963, 349101, 349179, 349182, C09K 1952, C09K 1902, G02F 11335
Patent
active
058766260
ABSTRACT:
Supertwist liquid crystal displays having very short switching times are obtained if the nematic liquid crystal mixture contains at least one component chosen from group A consisting of compounds of the formulae AI to AVI: ##STR1## wherein R.sup.1 and R.sup.2 in each case independently of one another are each R and R is alkyl having 1-12 C atoms, wherein one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, --CH.dbd.CH--, --CO--, --O--CO-- or --CO--O--, and up to four other components.
REFERENCES:
patent: 4439340 (1984-03-01), Kojima et al.
patent: 4634229 (1987-01-01), Amstutz et al.
patent: 4697884 (1987-10-01), Amstutz et al.
patent: 4799774 (1989-01-01), Baur et al.
patent: 4820443 (1989-04-01), Goto et al.
patent: 4917818 (1990-04-01), Sawada et al.
patent: 4923632 (1990-05-01), Sawada et al.
patent: 5013477 (1991-05-01), Buchecker et al.
patent: 5286410 (1994-02-01), Weber et al.
patent: 5288427 (1994-02-01), Weber et al.
patent: 5308538 (1994-05-01), Weber et al.
patent: 5387369 (1995-02-01), Weber et al.
Tarumi et al., Jpn. J. Appl. Phys. vol. 31 (1992) pp. 2829-2836.
Liquid Crystals, Licristal.RTM., Oct. 1994.
Japan Display '86, Session 9.3, pp. 392-395. 1986.
Leenhouts et al., "Electro-Optics of Supertwist Displays, Dependence . . . " Japan Display '86, Sep. 30-Oct. 2, 1986, Session 9.2, pp. 388-390.
Schadt et al., "Class Specific Physical Properties of Liquid Crystals and Correlation . . . ", Z. Naturforsch. 37a, pp. 165-178, 1982.
Hittich Reinhard
Kurmeier Hans Adolf
Oyama Takamasa
Plach Herbert
Poetsch Eike
Merck Patent Gesellschaft mit beschrankter Haftung
Wu Shean C.
LandOfFree
Supertwist liquid crystal display does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Supertwist liquid crystal display, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Supertwist liquid crystal display will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-419009