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    • 4. 发明授权
    • Liquid crystal compounds and indicating device employing same
    • 液晶化合物和使用其的指示装置
    • US5013476A
    • 1991-05-07
    • US121712
    • 1987-11-17
    • Arthur BollerRichard BucheckerHans-Jurgen FrommStephen KellyMartin SchadtAlois Villiger
    • Arthur BollerRichard BucheckerHans-Jurgen FrommStephen KellyMartin SchadtAlois Villiger
    • G02F1/137C07C15/50C07C43/166C07C43/215C07C67/00C07C69/773C07C69/88C07C69/90C07C69/92C07C69/94C07C253/00C07C255/57C07D239/26C07D241/12C07D319/06C09K19/12C09K19/14C09K19/20C09K19/34C09K19/42C09K19/44C09K19/46G02F1/13G02F1/141
    • C09K19/3458C09K19/2007C09K19/2021C09K19/3402C09K19/3452C09K19/42C09K2019/3422
    • A ferroelectric liquid crystal mixture containing at least one compound of the formula ##STR1## wherein n stands for the number 0 or 1; X.sup.1 represents a single covalent bond, --COO-- or --OOC-- and X.sup.2 represents a single covalent bond, --COO--, --OOC--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 -- or --CH.sub.2 O--; rings A.sup.1, A.sup.2 and A.sup.3 each independently signify 1,4-phenylene optionally substituted with cyano, halogen or lower alkyl or pyrimidin-2,5-diyl, pyrazin-2,5-diyl, when n is 1, trans-1,4-cyclohexylene or trans-m-dioxan-2,5-diyl; with the proviso that one of the rings present stands for pyrimidin-2,5-diyl or pyrazin-2,5-diyl when a further ring signifies trans-1,4-cyclohexylene or when n stands for the number 0 and X.sup.1 stands for a single covalent bond; and R.sup.1 signifies an optionally halogen-substituted alkenyl group with up to 18 carbon atoms in which optionally 1 or 2 non-adjacent CH.sub.2 groups are replaced by --O-- and/or a C.dbd.C double bond; with the proviso that R.sup.1 is different from 3,7-dimethyl-6-octenyloxy; R.sup.2 signifies an optionally halogen-substituted alkyl group with up to 18 carbon atoms in which optionally 1 or 2 non-adjacent CH.sub.2 groups are replaced by --O-- and/or a C.dbd.C double bond; with the proviso that residues R.sup.1 and/or R.sup.2 attached to an aromatic ring have at least 2 chain atoms between the aromatic ring and a C.dbd.C double bond present;as well as novel compounds falling under formula I and novel ferroelectric liquid crystal devices employing the compounds according to the invention.
    • 含有至少一种下式化合物的铁电液晶混合物,其中n代表数字0或1; X1表示单个共价键,-COO-或-OOC-,X2表示单个共价键,-COO - , - OOC - , - CH 2 CH 2 - , - OCH 2 - 或-CH 2 O-。 环A1,A2和A3各自独立地表示任选被氰基,卤素或低级烷基或嘧啶-2,5-二基,吡嗪-2,5-二基取代的1,4-亚苯基,当n为1时,反式-1,4 环己基或反式间二恶烷-2,5-二基; 条件是存在的一个环表示嘧啶-2,5-二基或吡嗪-2,5-二基,当另一个环表示反式-1,4-亚环己基或当n表示0时,X 1表示 单一共价键; 并且R 1表示任选具有至多18个碳原子的卤素取代的烯基,其中任选地1或2个不相邻的CH 2基团被-O-和/或C = C双键替代; 条件是R1不同于3,7-二甲基-6-辛烯氧基; R2表示任选具有至多18个碳原子的卤素取代的烷基,其中任选地1或2个不相邻的CH 2基团被-O-和/或C = C双键替代; 条件是连接到芳族环上的残基R1和/或R2在芳族环和存在的C = C双键之间具有至少2个链原子; 以及下式I中的新化合物和使用本发明化合物的新型铁电液晶装置。
    • 9. 发明授权
    • Liquid crystal mixtures
    • 液晶混合物
    • US4395350A
    • 1983-07-26
    • US279493
    • 1981-07-01
    • Arthur BollerAlfred GermannMartin SchadtAlois Villiger
    • Arthur BollerAlfred GermannMartin SchadtAlois Villiger
    • C09B1/503C09B29/08C09B29/12C09B31/043C09B31/062C09B43/28C09K19/60C09K3/34G02F1/13
    • C09B31/043C09B1/503C09B29/081C09B29/12C09B31/062C09B43/28C09K19/60
    • Liquid crystal mixtures containing a coloring substance which comprise about 5 to about 40 weight % of trans-p-[5-(4-alkylcyclohexyl)-2-pyrimidinyl]benzonitriles, about 10 to about 60 weight % of trans-4-alkylcyclohexane carboxylic acid phenyl esters and about 0.1 to about 15 weight % of one or more coloring substances of the formula ##STR1## wherein m stands for the number 1 and X is alkoxy and Y is nitro; or m stands for the number 1 or 2; and X is p-alkoxyphenyl and Y is nitro or dialkylamino, or X is alkoxy and Y is -p-nitrophenyl or -(dialkylamino)phenyl; or m stands for the number 2, and X is alkoxy and Y is alkoxy, nitro or dialkylamino, or both X and Y are dialkylamino; and wherein the alkoxy denotes a straight-chain group containing 1 to 12 carbon atoms and the alkyl groups in the dialkylamino each denote a straight-chain alkyl group containing 1 to 4 carbon atoms are described.
    • 包含着色物质的液晶混合物,其包含约5至约40重量%的反式p- [5-(4-烷基环己基)-2-嘧啶基]苯腈,约10至约60重量%的反式-4-烷基环己烷羧酸 酸性苯基酯和约0.1至约15重量%的一种或多种式Ⅻ的着色物质,其中m代表数字1,X是烷氧基,Y是硝基; 或m代表数字1或2; X为对烷氧基苯基,Y为硝基或二烷基氨基,或X为烷氧基,Y为对硝基苯基或 - (二烷基氨基)苯基; 或m代表数2,X是烷氧基,Y是烷氧基,硝基或二烷基氨基,或者X和Y都是二烷基氨基; 并且其中所述烷氧基表示含有1至12个碳原子的直链基团,并且描述二烷基氨基中的烷基各自表示含有1至4个碳原子的直链烷基。