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US 2003/0197154 A1Published application
Liquid-crystalline medium having high birefringence and light stability
AssigneeMerck Paptentgesellschaft Mit Beschrankter Haftung
InventorsAtsutaka Manabe, Peer Kirsch, Gerald Unger
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Abstract
The invention relates to a liquid-crystalline medium comprising one or more compounds of the general formula (I) 1 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 CH2 groups may be replaced by —O— in such a way that oxygen atoms are not adjacent, and in addition further liquid-crystalline compounds.
Claims13
A liquid-crystalline medium comprising one or more compounds of the formula (I)
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- 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 CH2 groups are optionally replaced by —O— in such a way that oxygen atoms are not adjacent.
Dependencies are inferred from the claim text.