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    • 61. 发明授权
    • Pyridylthiophenes
    • 吡啶基噻吩
    • US4659503A
    • 1987-04-21
    • US685083
    • 1984-12-21
    • Rudolf EidenschinkBernhard Scheuble
    • Rudolf EidenschinkBernhard Scheuble
    • C07D319/00C07D333/00C07D409/04C07D409/14C09K19/34C09K19/44G02F1/13C09K3/34
    • C07D409/04C07D409/14C09K19/3491
    • Liquid crystal compounds containing the structural constituent --Py--Th--, wherein Py is a pyridine-2,5-diyl ring and Th is a thiophene-2,4- or -2,5-diyl ring, and in particular pyridylthiophenes of the formula IR.sup.1 --(A.sup.1 --Z.sup.1).sub.m --(A.sup.2 --Z.sup.2).sub.n --Py--Th--(Z.sup.3 --A.sup.3).sub.p --R.sup.2 Iwherein Py and Th have the meanings given, R.sup.1 and R.sup.2 are each an alkyl group with 1-15 C atoms, in which one or two CH.sub.2 groups can also be replaced by O atoms; F, Cl, Br, CN or --O--COR, and one of these radicals can also be H, A.sup.1, A.sup.2 and A.sup.3 are each 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, piperidine-1,4-diyl, 1,4-bicyclo-(2,2,2)-octylene or pyrimidine-2,5-diyl groups which are unsubstituted or substituted by 1-4 F atoms, it being possible for the cyclohexylene group(s) to be substituted in the 1- and/or 4-position by alkyl, alkoxy, fluorinated alkyl or fluorinated alkoxy with in each case 1-5 C atoms, F, Cl, Br and/or CN, Z.sup.1, Z.sup.2 and Z.sup.3 are each --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond, (m+n+p) is 0, 1 or 2 and R is an alkyl group with 1-5 C atoms, and the acid addition salts of the basic compounds of this type, are suitable as constituents of liquid crystal phases.
    • 含有结构成分-Py-Th-的液晶化合物,其中Py是吡啶-2,5-二基环,Th是噻吩-2,4-或-2,5-二基环,特别是吡啶基-2,5-二基环的吡啶基噻吩 式(Ⅰ-R1)m-(A2-Z2)n-Py-Th-(Z3-A3)p-R2 I其中Py和Th具有给定的含义,R 1和R 2各自为烷基, -15个C原子,其中一个或两个CH 2基团也可以被O原子取代; F,Cl,Br,CN或-O-COR,这些基团之一也可以是H,A1,A2和A3各自为1,4-亚苯基,1,4-亚环己基,1,3-二恶烷-2, 未被取代或被1-4个F原子取代的5-二基,哌啶-1,4-二基,1,4-二环 - (2,2,2) - 亚辛基或嘧啶-2,5-二基, 可以通过烷基,烷氧基,氟化烷基或氟化烷氧基在1-和/或4-位取代亚环己基,在各种情况下为1-5 C原子,F,Cl,Br和/或CN ,Z 1,Z 2和Z 3各自为-CO-O-,-O-CO-,-CH 2 CH 2 - , - OCH 2 - , - CH 2 O-或单键,(m + n + p)为0,1或2, R是具有1-5个C原子的烷基,这种碱性化合物的酸加成盐适合作为液晶相的成分。
    • 63. 发明授权
    • Pyrimidine derivatives
    • 嘧啶衍生物
    • US4776973A
    • 1988-10-11
    • US832120
    • 1986-02-24
    • Klaus BofingerMichael RomerBernhard ScheubleGeorg Weber
    • Klaus BofingerMichael RomerBernhard ScheubleGeorg Weber
    • G02F1/13C07D239/26C09K19/34C09K19/44C07D239/04
    • C07D239/26C09K19/3458
    • Pyrimidine derivatives of the formula IR.sup.1 --Pry--A.sup.1 --Z.sup.1 --A.sup.2 -[Z.sup.2 --A.sup.3 ].sub.m --R.sup.2 Iin whichR.sup.1 and R.sup.2 each are an alkyl group having 1 to 12 C atoms, in which one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, --CO--, --O--CO--, --CO--O-- or --CH.dbd.CH--, and one of the radicals R.sup.1 and R.sup.2 are H, F, Cl, Br or CN,Pyr is pyrimidine-2,5-diyl,A.sup.1 and A.sup.3 each are 1,4-cyclohexylene, unsubstituted 1,4-phenylene or 1,4-phenylene which is substituted by one or two F and/or Cl atoms and/or CH.sub.3 and /or CN groups,A.sup.2 is 1,4-phenylene which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH.sub.3 and/or CN groups,Z.sup.1 is --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, or --OCH.sub.2 --Z.sup.2 is --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --O--CH.sub.2 -- or a single bond, andm is 0 or 1,are suitable for preparing liquid crystal phases having steep electro-optical characteristic curves.
    • 式I的嘧啶衍生物R1-Pry-A1-Z1-A2- [Z2-A3] m-R2I,其中R1和R2各自为具有1至12个C原子的烷基,其中一个或两个不相邻的CH2 基团也可以被-O - , - CO-,-O-CO-,-CO-O-或-CH = CH-取代,基团R1和R2之一是H,F,Cl,Br或CN 吡啶是嘧啶-2,5-二基,A1和A3各自为1,4-亚环己基,未被取代的1,4-亚苯基或1,4-亚苯基,其被一个或两个F和/或Cl原子和/或 CH 3和/或CN基团,A2是未被取代或被一个或两个F和/或Cl原子和/或CH 3和/或CN基团取代的1,4-亚苯基,Z 1是-CH 2 CH 2 - , - CH 2 O-或 -OCH 2 - Z 2是-CO-O-,-O-CO-, - CH 2 CH 2 - , - CH 2 O-,-O-CH 2 - 或单键,m是0或1,适用于制备具有 陡峭的电光特性曲线。
    • 67. 发明授权
    • Liquid crystal composition
    • 液晶组成
    • US4737312A
    • 1988-04-12
    • US890191
    • 1986-06-17
    • Shoichi MatsumotoHitoshi TomiiBernhard ScheubleGeorg WeberIan C. Sage
    • Shoichi MatsumotoHitoshi TomiiBernhard ScheubleGeorg WeberIan C. Sage
    • C07D319/06C07D239/26C09K19/34C09K19/42C09K19/46G02F1/13C09K19/54
    • C09K19/42
    • Liquid crystal compositions containing at least one compound of the formula IR-Dio-Ph-CN Iwherein R is alkyl of 2 to 5 carbon atoms, Dio is trans-1,3-dioxane-2,5-diyl and Ph is 1,4-phenylene, and at least one compound of each of the following groups A to D:R.sup.1 -Cy-Ph-R.sup.2 AR.sup.3 -Cy-Ph-Ph-R.sup.4 BR.sup.5 -Cy-Ph-CN CR.sup.6 -Cy-COO-Ph-O-R.sup.7 Dand, in addition in a total amount of 10 to 26% by weight at least five compounds of the formula ER.sup.8 -Pyr-Ph-O-R.sup.9 Eor at least one compound of each of the following groups F to K:R.sup.10 -Ph-COO-Ph-R.sup.11 FR.sup.12 -Cy-COO-Ph-Ph-CN GR.sup.13 -Ph-Ph-COO-Ph-Ph-CN HR.sup.14 -Ph-COO-Ph-COO-Ph-R.sup.15 JR.sup.16 -Ph-Ph-COO-PhF-R.sup.17 Kresult in surprisingly steep electrooptical characteristics and surprisingly low viewing-angle dependence of the contrast at simultaneously acceptable threshold voltages for commercially available drivers and multiplex ratios up to 1:100 when used in matrix displays.
    • PCT No.PCT / EP85 / 00529 Sec。 371日期1986年6月17日第 102(e)日期1986年6月17日PCT提交1985年10月10日PCT公布。 出版物WO86 / 02375 日期:1986年4月24日。含有至少一种式I R-Dio-Ph-CN I化合物的液晶组合物,其中R是2至5个碳原子的烷基,D 10是反式-1,3-二恶烷-2, 5-二基和Ph是1,4-亚苯基,并且至少一种以下各个基团的化合物A至D:R1-Cy-Ph-R2A R3-Cy-Ph-Ph-R4B R5-Cy-Ph -CN C R6-Cy-COO-Ph-O-R7 D,另外总计为10〜26重量%的至少5种式E R8-Pyr-Ph-O-R9 E的化合物或 以下各基团中的至少一种化合物F〜K:R10-Ph-COO-Ph-R11F R12-Cy-COO-Ph-Ph-CNG R13-Ph-Ph-COO-Ph-Ph-CNHR14 -Ph-COO-Ph-COO-Ph-R15J R16-Ph-Ph-COO-PhF-R17K导致令人惊讶的陡峭的电光特性和令人惊讶的低视角依赖于同时可接受的阈值电压下的市售驱动器 并且当在矩阵显示器中使用时,多重比率高达1:100。