申请人:Samsung Display Co., Ltd.
公开号:US10344213B2
公开(公告)日:2019-07-09
Provided are a reactive mesogen that may improve display quality of a liquid crystal display, and a liquid crystal composition including the same. The reactive mesogen is represented by the following Formula:
where A1, A2, and A3 are each independently a substituted or unsubstituted divalent hydrocarbon ring, or a substituted or unsubstituted divalent heterocycle,
L1 and L2 are each independently a direct linkage, —O—, —S—, —CO—, —COO—, —OCOO—, —O(CH2)k1—, —S(CH2)k1—, —O(CF2)k1—, —S(CF2)k1—, —(CH2)k1—, —CF2CH2—, —(CF2)k1—, —CH═CH—, —CF═CF—, —C≡C—, —CH═CH—COO—, or —(CH2)k1—COO—(CH2)k2—O—,
Z1 and Z2 are each independently a direct linkage, —O—, —S—, —CO—, —COO—, —OCOO—, —O(CH2)m1—, —S(CH2)m1—, —O(CF2)m1—, —S(CF2)m1—, —(CH2)m1—, —CF2CH2—, —(CF2)m1—, —CH═CH—, —CF═CF—, —C≡C—, —CH═CH—COO—, —(CH2)m1—COO—, —(CH2)m1—COO—(CH2)m2—O—, —CH—(Sp—Pa)—, —CH2CH—(Sp—Pa)—, or —(CH—(Sp—Pa)—CH—(Sp—Pa))—,
Pa is a polymerizable group,
B is an unsubstituted heterocycle, a substituted or unsubstituted crown ether group, or
wherein T1 and T2 are each independently —OH, —CH3, —CF3, —CHF2, —CH2F, —CH2Br, —CHBr2, —CHCl2, or —CH2Cl.
提供了一种反应性介质,可改善液晶显示器的显示质量,以及包括该反应性介质的液晶组合物。该反应性介质由以下公式表示:其中,A1、A2和A3分别独立地表示取代或未取代的双价碳氢环或取代或未取代的双价杂环,L1和L2分别独立地表示直接连接、-O-、-S-、-CO-、-COO-、-OCOO-、-O(CH2)k1-、-S(CH2)k1-、-O(CF2)k1-、-S(CF2)k1-、-(CH2)k1-、-CF2CH2-、-(CF2)k1-、-CH═CH-、-CF═CF-、-C≡C-、-CH═CH-COO-或-(CH2)k1-COO-(CH2)k2-O-,Z1和Z2分别独立地表示直接连接、-O-、-S-、-CO-、-COO-、-OCOO-、-O(CH2)m1-、-S(CH2)m1-、-O(CF2)m1-、-S(CF2)m1-、-(CH2)m1-、-CF2CH2-、-(CF2)m1-、-CH═CH-、-CF═CF-、-C≡C-、-CH═CH-COO-、-(CH2)m1-COO-或-(CH2)m1-COO-(CH2)m2-O-,Pa是一种可聚合的基团,B是一个未取代的杂环、取代或未取代的冠醚基团,或其中T1和T2分别独立地表示-OH、-CH3、-CF3、-CHF2、-CH2F、-CH2Br、-CHBr2、-CHCl2或-CH2Cl。