Ferroelectric liquid crystal composition with improved driving voltage
and temperature margins and liquid crystal device using same
    9.
    发明授权
    Ferroelectric liquid crystal composition with improved driving voltage and temperature margins and liquid crystal device using same 失效
    具有改善驱动电压和温度裕度的铁电液晶组合物和使用其的液晶装置

    公开(公告)号:US5292453A

    公开(公告)日:1994-03-08

    申请号:US48071

    申请日:1993-04-19

    摘要: A ferroelectric chiral smectic liquid crystal composition, comprising: at least one optically active compound represented by the following formula (II): ##STR1## wherein R.sub.3 denotes a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; X.sub.3 denotes a single bond, ##STR2## Z.sub.1 denotes a single bond or ##STR3## and m is 1-12; at least one compound represented by the following formula (III): ##STR4## wherein R.sub.4 and R.sub.5 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent, at lease one of R.sub.4 and R.sub.5 being optically active; X.sub.4 denotes a single bond, ##STR5## and X.sub.5 denotes a single bond, ##STR6## and at least one compound represented by the following formula (I) or (IV): ##STR7## wherein R.sub.1 and R.sub.2 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent of C.sub.1 -C.sub.12 alkoxy group; X.sub.1 and X.sub.2 respectively denote a single bond, point and non-selected ##STR8## wherein R.sub.6 and R.sub.7 respectively denote a linear or branched alkyl group having 1-18 carbon atoms capable of having a substituent; X.sub.6 and X.sub.7 respectively denote a single bond, ##STR9## Z.sub.2 denotes ##STR10## or a single bond; ##STR11## respectively denote ##STR12## denotes ##STR13## with the proviso that at least one of ##STR14## is ##STR15##

    摘要翻译: 一种铁电手性近晶液晶组合物,其包含:至少一种由下式(II)表示的光学活性化合物:(*化学结构*)(II)其中R 3表示具有1-18个碳原子的直链或支链烷基, 具有取代基; X3表示单键,(*化学结构*)Z1表示单键或(*化学结构*)(*化学结构*),m表示1-12; 至少一种由下式(III)表示的化合物:(*化学结构*)(III)其中R 4和R 5分别表示可具有取代基的具有1-18个碳原子的直链或支链烷基, R4和R5是光学活性的; X4表示单键,(*化学结构*),X5表示单键,(*化学结构*)和至少一种由下式(I)或(IV)表示的化合物:(*化学结构*)( I)其中R1和R2分别表示可具有C1-C12烷氧基取代基的具有1-18个碳原子的直链或支链烷基; X1和X2分别表示单键,点和未选择(*化学结构*)(IV)(*化学结构*),其中R6和R7分别表示具有1-18个碳原子的直链或支链烷基,其能够具有 取代基; X6和X7分别表示单键,(*化学结构*)Z2表示(*化学结构*)或单键; (*化学结构*)分别表示(*化学结构*)(*化学结构*)表示(*化学结构*),条件是(*化学结构*)中的至少一个为(*化学结构*)