Liquid crystal compound, liquid crystal composition and liquid crystal display device
申请人:Kobayashi Masahide
公开号:US08580147B2
公开(公告)日:2013-11-12
A liquid crystal compound represented by formula (1-1).
For example, R1 and R2 are independently hydrogen, alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons or alkenyloxy having 2 to 9 carbons; the ring A1 is trans-1,4-cyclohexylene, 1,4-cyclohexenylene, 1,3-dioxane-2,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl; L1 and L2 are independently hydrogen or fluorine, and at least one of them is fluorine; and Z1, Z2 and Z3 are independently a single bond, —(CH2)2—, —CH═CH—, —C≡C—, —CH2O—, —OCH2—, —COO— or —OCO—.
一种以式(1-1)表示的液晶化合物。例如,R1和R2独立地为氢,具有1至10个碳的烷基,具有2至10个碳的烯基,具有1至9个碳的烷氧基,具有2至9个碳的烷氧基烷基或具有2至9个碳的烯氧基;环A1为顺-1,4-环己烷基,1,4-环己烯基,1,3-二噁烷-2,5-二基基,嘧啶-2,5-二基基或吡啶-2,5-二基基;L1和L2独立地为氢或氟,其中至少一个为氟;Z1、Z2和Z3独立地为单键,—(CH2)2—,—CH═CH—,—C≡C—,—CH2O—,—OCH2—,—COO—或—OCO—。