Patent ID: 11952528
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 5:
6. The multilayer arrangement according to claim 1, wherein the liquid-crystalline medium comprised in the first switching layer contains, based on the overall contents of the medium, at least 15% by weight of one or more mesogenic compounds of formula I, wherein
R1 and R2 denote, independently of one another, a group selected from F, Cl, CF3, OCF3, and straight-chain or branched alkyl or alkoxy having 1 to 15 carbon atoms or straight-chain or branched alkenyl having 2 to 15 carbon atoms which is unsubstituted, monosubstituted by CN or CF3 or mono- or polysubstituted by halogen and wherein one or more CH2 groups may be, in each case independently of one another, replaced by —O—, —S—, —CO—, —COO—, —OCO—, —OCOO—, —C≡C—,, in such a manner that oxygen atoms are not linked directly to one another,
A11 denotes, n denotes 0 or 1, and
A21, A31 and A41 denote, independently of one another,, wherein L is on each occurrence, identically or differently, halogen selected from F, Cl and Br.