Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent, a guest-host composition comprising a liquid crystal host solvent and the arylazo or poly(arylazo) dichroic dye, and a liquid crystal display comprising the guest-host composition, are disclosed.
本发明涉及至少具有从
萘基或
蒽基中选择的至少一个核基团和至少一个2,3-二氢-1,3-二烷基
嘧啶取代基的芳基偶氮和聚(芳基偶氮)
染料,包括液晶主体溶剂和芳基偶氮或聚(芳基偶氮)二向色
染料的宿主-客体组合物,以及包括该宿主-客体组合物的液晶显示器。