Compounds for use in liquid crystal devices

Details Compounds for use in liquid crystal devices Compounds for use in liquid crystal devices

2011-03-22

2011-03-22

Visconti, Geraldina (Department: 1722)

Compositions

Liquid crystal compositions

C252S299600, C252S299610, C252S299620, C252S299630, C430S020000, C349S001000, C349S182000, C428S001100

Reexamination Certificate

active

07910018

ABSTRACT:
Liquid crystal compounds of Formula (I) for use in liquid crystal devices contains a dioxatetralin unit within the mesogenic liquid crystal core. The dioxatetralin unit may be located at any position within the mesogenic core of the liquid crystal compound, either at the terminus of the liquid crystal core or alternatively substantially in the middle of the liquid crystal core. The compounds of the invention exhibit fast switching and may be used in liquid crystal mixtures for particular use in imaging or display media, such as monitors or televisions.

REFERENCES:
patent: 4462923 (1984-07-01), Boller et al.
patent: 4734217 (1988-03-01), Demus et al.
patent: 33 35 244 (1985-04-01), None
patent: 199 21 318 (1999-11-01), None
patent: 2007-13561 (2007-01-01), None
International Search Report for PCT/GB2005/004204 mailed Apr. 18, 2006.

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