申请人:BASF SE
公开号:WO2011157614A1
公开(公告)日:2011-12-22
Described is a black dichroic dye composition comprising 2 or more dyes, wherein at least one dye, generally a red dye and optionally a yellow dye, conforms to the formula A and at least one dye, usually a blue dye, conforms to the formula B Ar1-N=N-[Ar2-N=N-]qAr3-N=N-Ar4 (B) with symbols as defined in present claims. The dye composition is well suited for combination with liquid crystal material for use, inter alia, as polarizing film and/or in liquid crystal displays, showing, inter alia, high dichroic ratio and excellent compatibility with the LC material.
描述的是一种黑色二色性染料组合物,包括2种或更多种染料,其中至少一种染料,通常是红色染料,可选地是黄色染料,符合公式A,至少一种染料,通常是蓝色染料,符合公式B Ar1-N=N-[Ar2-N=N-]qAr3-N=N-Ar4(B),符号如本权利要求所定义。该染料组合物非常适合与液晶材料结合使用,例如作为偏振膜和/或液晶显示器中,具有高二色比和与液晶材料的优异兼容性。