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    • 1. 发明申请
    • LIQUID CRYSTALLINE MIXTURE
    • 液晶混合
    • WO1988005803A1
    • 1988-08-11
    • PCT/EP1988000048
    • 1988-01-25
    • MERCK PATENT GESELLSCHAFT MIT BESCHRÄNKTER ...SAGE, Ian, CharlesLEWIS, Stephen, JohnCHAPLIN, Dominic
    • MERCK PATENT GESELLSCHAFT MIT BESCHRÄNKTER ...
    • C09K19/52
    • C09K19/42C09K19/54
    • Liquid crystalline mixtures with at least two liquid-crystalline compounds free of perfluoro alkylene groups and at least one partially fluorinated additive of formula (I): R -(CH2)m-(CF2)n-R , wherein m is 0 to 12, n is 1 to 16 and R and R each signify a group of formula (II), in which R is F or alkyl with 1-15 C atoms, being possible for one or two non-adjacent CH2 groups to be replaced by -O-, -CO-, -O-CO-, -CO-O-, -O-CO-O-, -C=C- and/or -CH=CH-, A and A in each case an unsubstituted, mono- or polysubstituted 1,4-cyclohexylene group, also possible for one or two non-adjacent CH2 groups to be replaced by -O- and/or -S-; or a 1,4-bicyclo-[2,2,2]octylene group, or a 1,4-phenylene group unsubstituted or substituted by one or two F and/or Cl atoms and/or CH3 groups and/or CN groups, being possible for one or two CH groups to be replaced by N, Z -CO-O-, -O-CO-, -CH2CH2-, -CHCN-CH2-, -CH2-CHCN-, -CH=CH-, -C=C-, -OCH2-, -CH2O, -CH=N-, -N=CH-, -N=N-, -NO=N-, -N=NO- or Z -CO-O-, -O-CO-, -CH2CH2-, -CHCN-CH2, -CH2-CHCN-, -CH=CH-, -C=C-, -OCH2-, -CH2O-, -CH=N-, -N=CH-, -N=N-, -NO=N-, -N=NO-, -(CH2)k-CO-O- or k 1 to 6, p: 0, 1, 2; q: 0, 1. R or R may also be H, with the proviso that m+p+q = 1 to 15. Means of reducing the refractive indices of a L.C. mixture by adding one or more additives of formula (I).
    • 具有至少两种不含全氟亚烷基的液晶化合物和式(I)的至少一种部分氟化的添加剂的液晶混合物:R 1 - (CH 2)m - (CF 2)n R 2,其中m是 0至12,n为1至16,R 1和R 2各自表示式(II)的基团,其中R为F或具有1-15个C原子的烷基,可能为一个或两个非 相邻的CH 2基团被-O - , - CO-,-O-CO-,-CO-O-,-O-CO-O-,-C≡C-和/或-CH = CH-取代, 在每种情况下,A 1和A 2均为未取代的单取代或多取代的1,4-亚环己基,对于一个或两个不相邻的CH 2基团可以被-O-和/或-S- ; 或未取代或被一个或两个F和/或Cl原子和/或CH 3基团和/或CN基团取代的1,4-二环[2,2,2]亚辛基或1,4-亚苯基, 一个或两个CH基团可被N,Z 1 -CO-O-,-O-CO - , - CH 2 CH 2 - , - CHCN-CH 2 - , - CH 2 -CHCN-, - CH = CH - , - C = C-,-OCH 2 - , - CH 2 O,-CH = N - , - N = CH-,-N = N-,-NO = N - , - N = NO-或Z 2 - CO-O - , - O - CO - , - CH 2 CH 2 - , - CHCN-CH 2,-CH 2 -CHCN-, - CH = CH-,-C≡C-,-OCH 2 - , - CH 2 O-,-CH = N - ,-N = CH-,-N = N-,-NO = N - , - N = NO-, - (CH 2)k-CO-O-或k 1至6,p:0,1,2; q:0,1,R 1或R 2也可以是H,前提条件是m + p + q = 1至15.降低L.C.的折射率的方法。 混合物中加入一种或多种式(I)的添加剂。
    • 3. 发明申请
    • LIQUID CRYSTAL COMPOSITION
    • 液晶组合物
    • WO1986002375A1
    • 1986-04-24
    • PCT/EP1985000529
    • 1985-10-10
    • MERCK PATENT GESELLSCHAFT MIT BESCHRÄNKTER ...TOSHIBA CORPORATIONMATSUMOTO, ShoichiTOMII, HitoshiSCHEUBLE, BernhardWEBER, GeorgSAGE, Ian, Charles
    • MERCK PATENT GESELLSCHAFT MIT BESCHRÄNKTER ...TOSHIBA CORPORATION
    • C09K19/42
    • C09K19/42
    • Liquid crystal compositions containing at least one compound of formula: R-Dio-Ph-CN wherein 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: A) R -Cy-Ph-R , B) R -Cy-Ph-Ph-R , C) R -Cy-Ph-CN, D) R -Cy-COO-Ph-O-R and, in addition in a total amount of 10 to 26% by weight at least five compounds of formula E R -Pyr-Ph-O-R or at least one compound of each of the following groups F to K: F) R -Ph-COO-Ph-R , G) R -Cy-COO-Ph-Ph-CN, H) R -Ph-Ph-COO-Ph-Ph-CN, J) R -Ph-COO-Ph-COO-Ph-R , K) R -Ph-Ph-COO-PhF-R result 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.
    • 含有至少一种式R-Dio-Ph-CN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,Ph是1,4 - 亚苯基和至少一种下列各个A至D的化合物:A)R 1 -Cy-Ph-R 2,B)R 3 -Cy-Ph-Ph-R 4 > C)R 5 -Cy-Ph-CN,D)R 6 -C y -Co-Ph-OR 7,另外总量为10-26重量%,至少五 式ER-8-Ph-OR 9的化合物或至少一种下列基团的至少一种化合物F至K:F)R 10 -Ph-COO-Ph-R 11,G )R 12 -C y -Co-Ph-Ph-CN,H)R 13 -Ph-Ph-COO-Ph-Ph-CN,J)R 14 -Ph-COO-Ph-COO- Ph-R 15,K)R 16 -Ph-Ph-COO-PhF-R 17导致令人惊奇的电光特性,并且令人惊讶的是在可商购的可接受的阈值电压下对比度的视角依赖性 驱动器和多路比率高达1:100,当用于矩阵显示。
    • 9. 发明申请
    • SMECTIC A LIQUID CRYSTAL COMPOSITIONS
    • SMECTIC A液晶组合物
    • WO1986004324A1
    • 1986-07-31
    • PCT/EP1985000731
    • 1985-12-20
    • MERCK PATENT GESELLSCHAFT MIT BESCHRÄNKTER ...COATES, DavidDAVEY, Anthony, BernardBISHOP, David, IanPEARSON, Andrew, DavidSAGE, Ian, Charles
    • MERCK PATENT GESELLSCHAFT MIT BESCHRÄNKTER ...
    • C03K19/44
    • C09K19/12C09K19/42
    • Liquid crystal compositions comprising as a first part between 40 and 99% by weight in aggregate of one or more materials selected from one or more of the six compound classes (1) to (3'), wherein R is in every instance an alkyl chain containing between 2 and 18 carbon atoms and R' is in every instance an alkyl chain containing between 1 and 17 carbon atoms, wherein one or more non-adjacent CH2-groups are replaced by oxygen atoms, and as a second part between 1 and 60% by weight of one or more materials of high birefringence and high positive dielectric anisotropy which raise the SA-N transition temperature, exhibit a smectic A phase of relatively low melting point and wide smectic range. Such compositions may be used in liquid crystal cells, not only in display or optical information processing applications, but also for instance in temperature sensing applications. The operation of such cells may involve laser addressing, thermal or electrical addressing.
    • 液晶组合物包含作为选自六种化合物类(1)至(3')中的一种或多种的一种或多种材料的总重量为40至99重量%的第一部分,其中R各自为烷基链 含有2至18个碳原子,R'在每种情况下均为含有1至17个碳原子的烷基链,其中一个或多个不相邻的CH 2 - 基团被氧原子取代,并且作为第1部分和第6部分之间的第1部分 提高SA-N转变温度的一种或多种高双折射材料和高正介电各向异性的重量%显示出相对低的熔点和宽的近晶范围的近晶A相。 这样的组合物不仅可用于显示器或光学信息处理应用中,而且还可用于温度感测应用中。 这种电池的操作可能涉及激光寻址,热或电寻址。