Patent ID: 9650573
Date: 2017-05-16
CPC Classifications: C09K,G02F

Claim:
1. A medium comprising: one or more liquid-crystalline compounds, one or more dichroic dyes, and one or more silsequioxane compounds (A) having a molecular weight of greater than 450 Da, wherein each compound (A) is a silsequioxane compound bonded to one or more anchor groups of the formula A-1, or one or more organic compounds (B), wherein said one or more anchor groups bonded to (A) are each of the formula A-1, in which, in each case independently, E represents a single bond or a spacer group; X X Z R a is equal to 0, 1, 2 or 3, and * marks the bonding site of the anchor group to the silsequioxane; and wherein organic compounds compound (B) are each of the formula B-I, wherein, A L in each case, independently of one another, denotes OH, (CH Z R R R m denotes 0, 1, 2, 3, 4 or 5, and n denotes 1, 2, 3 or 4.