US 12,187,946 B2
Polymerisable liquid crystal material and polymerised liquid crystal film
Jin-Soon Park, Pyeongtaek (KR); Hoo-Yong Lee, Pyeongtaek (KR); Hyun-Jin Yoon, Pyeongtaek (KR); and Heui-Seok Jin, Pyeongtaek (KR)
Assigned to Merck Patent GmbH, (DE)
Filed by Merck Patent GmbH, Darmstadt (DE)
Filed on Nov. 18, 2021, as Appl. No. 17/529,519.
Claims priority of application No. 20208855 (EP), filed on Nov. 20, 2020.
Prior Publication US 2022/0162504 A1, May 26, 2022
Int. Cl. G02F 1/1333 (2006.01); C09K 19/04 (2006.01); C09K 19/34 (2006.01)
CPC C09K 19/3444 (2013.01) [C09K 19/0403 (2013.01); C09K 19/348 (2013.01); C09K 2019/0414 (2013.01); C09K 2019/0448 (2013.01)] 18 Claims
 
1. A polymerizable LC material, comprising at least one di- or multireactive mesogenic compound and one or more compounds of formula UVII,

OG Complex Work Unit Chemistry
wherein the individual radicals have the following meanings:
R1 to R5 are each independently selected from the group consisting of H, alkyl, —OH, alkylaryl, alkylheteroaryl, cycloalkyl, cycloheteroalkyl, alkenyl, aryl and —SO3H, and
R6 and R7 denote each and independently a hydrogen atom, a hydroxy group, or a halogen atom; and
one or more compounds of formula UVI-a:

OG Complex Work Unit Chemistry