Liquid crystalline medium

The invention relates to a liquid crystal medium which contains at least one compound of the formula (I), in which R1 and R1* independently of each other represent an alkyl or alkyl group with 1 to 15 C atoms, wherein in said groups, one or more CH2 groups independently of one another can be replace...

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Bibliographic Details
Main Authors Harald Hirschmann, Marcus Reuter, Rocco Fortte, Martina Windhorst, Volker Reiffenrath, Nico John, Monika Bauer, Martin Engel, Matthias Bremer, Christoph Marten
Format Patent
LanguageEnglish
Published 08.09.2021
Subjects
ADHESIVES
CHEMISTRY
DYES
HETEROCYCLIC COMPOUNDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC CHEMISTRY
PAINTS
POLISHES
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Summary:The invention relates to a liquid crystal medium which contains at least one compound of the formula (I), in which R1 and R1* independently of each other represent an alkyl or alkyl group with 1 to 15 C atoms, wherein in said groups, one or more CH2 groups independently of one another can be replaced with -C=C-, -CF2O-, -OCF2-, -CH=CH-, formula (II), formula (III), -O-, -CO-O-, or -O-CO- such that O atoms are not directly linked to one another, and one or more H atoms can also be replaced with halogen, and L1 and L2 independently of one another represent F, Cl, CF3, or CHF2. The invention also relates to the use of said liquid crystal medium for an active matrix display, in particular an active matrix display based on the VA-, PSA-, PA-VA-, PS-VA-, PALC-, IPS-, PS-IPS-, FFS-, or PS-FFS effect.
Bibliography:Application Number: GB20160017472