A mesogenic, crosslinkable mixture comprising at least one polymerisable liquid crystal and at least one polymerisable dichroic dye of the general formula (I) wherein A represents a dichroic residue exhibiting at least partial absorption in the visible region >400 nm: n1, n2, n3, n4 signifies 0 or 1 whereby the sum of n1, n2, n3, n4 is >0, and B
1
to B
4
represent a group of substructure II wherein the broken line symbolizes the linkage to said dichroic residue.
1
一种具有交联性的介向混合物,包括至少一种可聚合液晶和至少一种可聚合的偏光
染料,其通式为(I),其中A代表在可见区域>400 nm中至少部分吸收的偏光残基:n1、n2、n3、n4表示0或1,其中n1、n2、n3、n4的总和> 0,B1至B4表示亚结构II的一个组,其中断裂线表示与所述偏光残基的连接。