摘要:
The present invention provides a furan derivative compound having physical properties suitable as a liquid crystal display material, for example, such as 5-(4'-trans-pentyl-trans-bicyclohexyl-4-yl)-2-methylfuran, 5-(4-(4-trans-pentylcyclohexyl)phenyl)-2-ethylfuran, 5-(trans-4-propylcyclohexyl)fur-2-yl-3,4-dibromobenzene, 2-(4-trans-pentylcyclohexyl)-5-(4-trans-propylcyclohexyl)furan and 2-(4-trans-(2,3-difluoro-4-methoxyphenyl)cyclohexyl)-5-(5-trans-propyl-1,3-dioxan-2-yl)furan; a liquid crystal composition containing the said compound; and a liquid crystal display device comprising the said liquid crystal composition.
摘要:
The present invention provides a liquid crystal composition satisfying many characteristics required to liquid crystal compositions for AM-LCD, having a preferable Δ n value in proportion to the cell thickness, and having very low threshold value suitable for driving at low voltage. The liquid crystal composition of the present invention comprises as the first constituent at least one compound selected from the group consisting of compounds represented by particular formula (I) and as the second constituent at least one compound selected from the group consisting of compounds represented by particular formulas (II-1)-(II-7).
摘要:
A chiral nematic liquid crystal composition is provided, which has a broad d/P margin, particularly for corresponding to a large size of LCD panel, while satisfying various characteristics sought for STN display mode,
and which contains as a first component, at least one member of compounds expressed by the formulas (I-a) to (I-d), as a second component, at least one member of compounds expressed by the formulas (II) to (V), and as a third component, a chiral component expressed by the formula (X),
R 5 -(B)-Z 2 -(C)-R 6 (II)
R 7 -(D)-Z 3 -(E)-Z 4 -(G)-R 8 (III)
In these formulas, R 1 to R 5 represent an alkyl group of 1 to 10 carbon atoms, etc.; Z 0 to Z 4 represent -CH 2 CH 2 -, etc.; B,C,E and G represent 1,4-cyclohexylene or 1,4-phenylene; D represents 1,4-cyclohexylene or 1,3-pyrimidine-2,5-diyl; Q 1 and Q 2 represent H or F; and q and m each independently represent 0 or 1; R 1 to R 12 represent an alkyl group of 1 to 10 carbon atoms or an alkenyl group of 2 to 10 carbon atoms. This composition may be used in STN mode, TN mode or AN mode liquid crystal display elements. This invention also describes the liquid crystal display elements containing such composition.
摘要:
A liquid crystal composition comprising a first component of the formula (1-2), a second component of the formula (2-a) and a third component of the formulas (3) and (4), the respective contents being 3 to 30%, 10 to 60% and 20 to 80%, each by weight,
R 4 (̵C)̵Z 5 (̵D)̵R 5 (3)
R 6 (̵E)̵Z 6 (̵G)̵Z 7 (̵J)̵R 7 (4)
wherein R, R', R 3 , R 4 , R 5 and R 6 each independently represent an alkyl group of C 1-10 or an alkenyl group of C 2-10 ; R 7 represents an alkyl group, an alkenyl group or an alkoxymethyl group of C 1-10 , B', C, D and J represent 1,4-cyclohexylene or 1,4-phenylene; E represents 1,4-cyclohexylene or pyrimidine-2,5-diyl; G represents 1,4-cyclohexylene or 1,4-phenylene wherein H at the lateral positions may be replaced by F; Z 1 and Z 6 represent -COO-, -C 2 H 4 - or a single bond; and Z 5 and Z 7 represent -C≡C- or a single bond.
摘要翻译:一种液晶组合物,其包含式(1-2)的第一组分,式(2-a)的第二组分和式(3)和(4)的第三组分,各自的含量为3至30 %,10〜60%和20〜80%,各重量比, R 4和Lparstr&C&rparstr&Z 5&lparstr&D&rparstr< R>< 5>&lparstr&E&rparstr&Z 6& 其中R,R',R 3,R 4,R 5和R 6各自独立地表示C 1-10的烷基或链烯基 C2-10组 R 7表示C 1-10,B',C,D和J的烷基,烯基或烷氧基甲基表示1,4-亚环己基或1,4-亚苯基; E代表1,4-亚环己基或嘧啶-2,5-二基; G表示1,4-亚环己基或1,4-亚苯基,其中侧向位置的H可以被F代替; Z 1和Z 6表示-COO - , - C 2 H 4 - 或单键; Z 5和Z 7表示-C元素C-或单键。
摘要:
Disclosed is an improvement of an active matrix type liquid crystal display device using a combination of a specific mixed liquid crystal (7) and a specific polyimide orientation film (10a, 10b).
摘要:
A ferroelectric chiral smectic liquid crystal composition having a tilt angle of 30° to 60° and superior alignment property is provided, which composition is obtained by mixing at least one chiral or achiral smectic C compound having smectic A phase of temperature range within 40°C with at least one chiral smectic C compound having no smectic A phase, and adjusting the temperature range of smectic A phase of the resulting composition so as to fall within 30°C.