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    • 4. 发明申请
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US20070108411A1
    • 2007-05-17
    • US11598707
    • 2006-11-14
    • Masayuki SaitoMotoki YanaiShuichi Goto
    • Masayuki SaitoMotoki YanaiShuichi Goto
    • C09K19/52C09K19/34
    • C09K19/3458C09K19/3483Y10T428/10
    • A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds having a group represented by formula (2) as a partial structure: wherein R1 and R2 are each independently hydrogen, fluorine, alkyl having 1 to 12 carbons, alkenyl having 2 to 12 carbons or alkoxy having 1 to 12 carbons; R4 is hydrogen, alkyl having 1 to 12 carbons or alkoxy having 1 to 12 carbons; R5, R6, R7 and R8 are each independently alkyl having 1 to 12 carbons; ring A and ring B are each independently 1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene; Z1 and Z2 are each independently a single bond or ethylene; and n and m are each independently 0, 1 or 2, provided that the sum of n and m is 1, 2, 3 or 4.
    • 一种具有向列相的液晶组合物,其包含两种成分,其中所述第一成分为选自式(1)所示的化合物的族群中的至少一种化合物,第二成分为选自化合物组中的至少一种化合物 具有由式(2)表示的基团作为部分结构:其中R 1和R 2各自独立地为氢,氟,具有1至12个碳的烷基,具有 2至12个碳或具有1至12个碳的烷氧基; R 4是氢,具有1至12个碳的烷基或具有1至12个碳的烷氧基; R 5,R 6,R 7和R 8各自独立地为具有1至12个碳的烷基; 环A和环B各自独立地为1,4-亚环己基,1,4-亚苯基,3-氟-1,4-亚苯基或3,5-二氟-1,4-亚苯基; Z 1和Z 2各自独立地为单键或亚乙基; n和m各自独立地为0,1或2,条件是n和m的和为1,2,3或4。
    • 5. 发明授权
    • Liquid crystal composition and liquid crystal display element
    • 液晶组成和液晶显示元件
    • US06399164B1
    • 2002-06-04
    • US09624139
    • 2000-07-21
    • Motoki YanaiYasuhiro KuboEtsuo Nakagawa
    • Motoki YanaiYasuhiro KuboEtsuo Nakagawa
    • C09K1930
    • C09K19/42C09K19/406C09K2019/0444C09K2019/3004C09K2019/3009C09K2019/301Y10T428/10
    • The present invention provides a liquid crystal composition comprising a component I comprising at least one compound selected from the group of compounds represented by Formula (I) and a component II comprising at least one compound selected from the group of compounds represented by Formulas (II-1) and (II-2): wherein R1, R3 and R5 each represent independently an alkyl group having C1 to C10 or an alkenyl group having C2 to C10; R2, R4 and R6 each represent independently an alkyl group or alkoxy group having C1 to C10 or an alkenyl-group having C2 to C10; Z1 and Z2 each represent independently a single bond or —CH2CH2—; and rings A1 and A2 each represent independently trans-1,4-cyclohexylene, 1,4-phenylene or 1,4-phenylene in which at least one hydrogen atom is substituted with a fluorine atom. The liquid crystal composition has a suitable value of &Dgr;n, a low viscosity, a large negative &Dgr;∈, a wide nematic phase range and a high voltage-holding ratio while satisfying various characteristics required to a liquid crystal composition for an AM-LCD.
    • 本发明提供一种液晶组合物,其含有包含至少一种选自式(I)表示的化合物的化合物的组分I和包含至少一种选自式(II- 1)和(II-2):其中R1,R3和R5各自独立地表示具有C1至C10的烷基或具有C2至C10的烯基; R 2,R 4和R 6各自独立地表示具有C 1至C 10的烷基或烷氧基或具有C 2至C 10的烯基; Z 1和Z 2各自独立地表示单键或-CH 2 CH 2 - ; 环A1和A2各自独立地表示其中至少一个氢原子被氟原子取代的反式-1,4-亚环己基,1,4-亚苯基或1,4-亚苯基。 液晶组合物具有适合的DELTAn值,低粘度,大的负ΔTATA,宽向列相和高电压保持率,同时满足AM-LCD液晶组合物所需的各种特性。
    • 6. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US07524540B2
    • 2009-04-28
    • US11598707
    • 2006-11-14
    • Masayuki SaitoMotoki YanaiShuichi Goto
    • Masayuki SaitoMotoki YanaiShuichi Goto
    • C09K19/34C09K19/54
    • C09K19/3458C09K19/3483Y10T428/10
    • A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds having a group represented by formula (2) as a partial structure: wherein R1 and R2 are each independently hydrogen, fluorine, alkyl having 1 to 12 carbons, alkenyl having 2 to 12 carbons or alkoxy having 1 to 12 carbons; R4 is hydrogen, alkyl having 1 to 12 carbons or alkoxy having 1 to 12 carbons; R5, R6, R7 and R8 are each independently alkyl having 1 to 12 carbons; ring A and ring B are each independently 1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene; Z1 and Z2 are each independently a single bond or ethylene; and n and m are each independently 0, 1 or 2, provided that the sum of n and m is 1, 2, 3 or 4.
    • 一种具有向列相的液晶组合物,其包含两种成分,其中所述第一成分为选自式(1)所示的化合物的族群中的至少一种化合物,第二成分为选自化合物组中的至少一种化合物 具有式(2)表示的基团作为部分结构:其中R 1和R 2各自独立地为氢,氟,具有1至12个碳的烷基,具有2至12个碳的烯基或具有1至12个碳的烷氧基; R4是氢,具有1至12个碳的烷基或具有1至12个碳的烷氧基; R5,R6,R7和R8各自独立地为具有1至12个碳的烷基; 环A和环B各自独立地为1,4-亚环己基,1,4-亚苯基,3-氟-1,4-亚苯基或3,5-二氟-1,4-亚苯基; Z 1和Z 2各自独立地为单键或亚乙基; n和m各自独立地为0,1或2,条件是n和m的和为1,2,3或4。
    • 8. 发明授权
    • Liquid crystal composition and liquid crystal display element
    • 液晶组成和液晶显示元件
    • US06395353B2
    • 2002-05-28
    • US09808019
    • 2001-03-15
    • Motoki YanaiYasuhiro KuboEtsuo Nakagawa
    • Motoki YanaiYasuhiro KuboEtsuo Nakagawa
    • C09K1930
    • C09K19/42C09K19/406Y10T428/10
    • The present invention provides a liquid crystal composition comprising the compounds represented by the following formulas (I) and (II) wherein each R1 independently represents an alkyl group having 1-10 carbon atoms or an alkenyl group having 2-10 carbon atoms; each R2 independently represents an alkyl or alkoxy group having 1-10 carbon atoms or an alkenyl group having 2-10 carbon atoms; Z1 and Z2 represent —CH2SiH2—, a single bond or —CH2CH2—, with the proviso that one of Z1 and Z2 represents —CH2SiH2— and the other represents a single bond or —CH2CH2—; A1, A2 and A3 each independently represent a ring including aromatic, alicyclic and heterocyclic groups; m and n are each independently 0 or 1; and Z3 and Z4 each independently represent a single bond, —CH2CH2—, —CF2O— or —OCF2—. The composition has a suitable &Dgr;n, a low viscosity, a largely negative &Dgr;&egr; and a broad nematic liquid crystal phase range while satisfying various properties required for liquid crystal compositions for AM-LCD.
    • 本发明提供一种液晶组合物,其含有下述式(I)和(II)表示的化合物,其中,各R1独立地表示碳原子数1〜10的烷基或碳原子数2〜10的烯基。 每个R 2独立地表示具有1-10个碳原子的烷基或烷氧基或具有2-10个碳原子的烯基; Z 1和Z 2表示-CH 2 SiH 2 - ,单键或-CH 2 CH 2 - ,条件是Z 1和Z 2中的一个表示-CH 2 SiH 2 - ,另一个表示单键或-CH 2 CH 2 - ; A1,A2和A3各自独立地表示包括芳族,脂环族和杂环基团的环; m和n各自独立地为0或1; Z 3和Z 4各自独立地表示单键,-CH 2 CH 2 - , - CF 2 O-或-OCF 2 - 。 该组合物具有适合的DELTAn,低粘度,大量负DELTAepsi和宽向列型液晶相范围,同时满足AM-LCD液晶组合物所需的各种性能。