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.
本发明公开了具有至少一个选自
萘基或
蒽基并具有至少一个 2,3-二氢-1,3-二烷基过
嘧啶取代基的核心基的芳基偶氮和聚(芳基偶氮)
染料、由液晶主溶剂和芳基偶氮或聚(芳基偶氮)二色
染料组成的客体组合物以及由客体组合物组成的液晶显示器。