Patent ID: 7857991
Filing Date: 2010-12-28
Classification: C09B,C09K,G02F

Abstract:
1. A dichroic dye composition comprising: at least one dichroic dye selected from Group (I); at least one dichroic dye selected from Group (II); and at least one dichroic dye selected from Group (III), wherein, (each of R each of Ring A and Ring B is a 1,4-cyclohexanediyl group, or a 1,4-phenylene group, Group (II) is a dichroic azo dye represented by the following general formula [II-1]: R R Ring C is a 1,4-cyclohexanediyl group, or a 1,4-phenylene group, Ring D is a 1,4-phenylene group, or a 1,4-naphthylene group, Group (III) is a dichroic azo dye represented by the following general formula [III-1]; R R Ring E is a 1,4-phenylene group, or a 1,4-naphthylene group.