Liquid-crystalline medium having high birefringence and...

Details Liquid-crystalline medium having high birefringence and... Liquid-crystalline medium having high birefringence and...

2005-02-22

2005-02-22

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299630, C252S299660

Reexamination Certificate

active

06858267

ABSTRACT:
The invention relates to a liquid-crystalline medium comprising one or more compounds of the general formula (I)in which R is an alkyl radical, alkoxy radical or alkenyl radical having from 1 to 7 or 2 to 7 carbon atoms respectively, in which one or more CH2groups may be replaced by —O— in such a way that oxygen atoms are not adjacent, and in addition further liquid-crystalline compounds.

REFERENCES:
patent: 6124005 (2000-09-01), Kondo et al.
patent: 6605747 (2003-08-01), Kondo et al.
patent: 1182186 (2002-02-01), None

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