124015-10-7Relevant academic research and scientific papers
Liquid crystal compounds
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, (2008/06/13)
A composition of (R)-isomer and (S)-isomer of a liquid crystal compound represented by the formula; STR1 wherein X represents --O-- or a direct bond, Z represents a halogen-substituted alkyl group selected from a group consisting of --CF3, --CH
Liquid crystal compounds
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, (2008/06/13)
The invention discloses optically active liquid crystal compounds represented by the formulas [I], [II] and [III]: STR1 wherein R1 and R2 each represents an alkyl group of 4-18 carbon atoms, X represents O, COO or a single bond, and (A), (B), (C), (D) and (E) each represents STR2 in which l represents a halogen. The invention further discloses optically active liquid crystal compounds which are able to exhibit tristable states, represented by the formulas [IV], [V] and [VI]: STR3 wherein R1 ' and R2 ' each represents a straight chain alkyl group of 5-16 carbon atoms, X' represents O or COO and (A), (B), (C), (D) and (E), and l each has the same meaning as above.
Antiferroelectric liquid crystal compound and liquid crystal composition containing the same
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, (2008/06/13)
An antiferroelectric liquid crystal compound represented by the following general formula (I): STR1 wherein R1 and R2 are each independently selected from the group consisting of alkyl groups having from 3 to 18 carbon atoms, Rf is a
Liquid crystal compound
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, (2008/06/13)
Disclosed are novel liquid crystal compounds containing a naphthalene ring, having an excellent light leaking ratio at tristable states, and represented by the following formula: STR1 wherein R1 is a C6 -C16 linear alkyl g
Liquid crystal compound
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, (2008/06/13)
Liquid crystal compound of the formula STR1 wherein R1 and R2 each is a C1-18 alkyl group or an aralkyl group, R' is a haloalkyl group, X is --0--, --CO--, --COO-- or direct bond, Y is --COO--, --OCO-- or --CH2 O--, (A) and (B) each is STR2 and p and l each is zero or one.
Liquid crystal compounds
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, (2008/06/13)
Liquid crystal compounds represented by the formula; STR1 in which Ra means an alkyl group of 1-20 carbon atoms or an alkoxy group of 1-20 carbon atoms; Rb means an aliphatic alkyl group, a branched alkyl group or an aralkyl group respectively of 1-20 carbon atoms, an alkoxy group of 1-20 carbon atoms, or an alkanoyl methyl group having 1-20 carbon atoms in the alkyl; STR2 Z means a fluorinated alkyl or a fluorinated haloalkyl; m is an integer of from 1 to 3; n is an integer of from 0 to 2 where when n is 0, Y is a single bond; and * shows an optically active center, which have a larger spontaneous polarization, high speed of response and good orientation, and show tristable liquid crystal phase.
Liquid crystal compositions
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, (2008/06/13)
A liquid crystal compound represented by the following formula; wherein R1 and R2 each represents an alkyl group having 3 - 20 carbon atoms, and X represents a group or -O-, or a single bond, and a liquid crystal composition exhibiting optically tristable states comprising the liquid crystal compound represented by the above formula and a liquid crystal compound containing asymmetric carbon as chiral center which are responsible to exhibit the tristable states.
Dioxane liquid crystal compounds
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, (2008/06/13)
Novel ferroelectric and antiferroelectric liquid crystal compounds of the invention, which comprise those showing optically tristable states in phase S*(3), have a wide range of phase transition temperature so as to be not only preferably used
Liquid crystal compound
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, (2008/06/13)
An optically active liquid crystal compound which is represented by the formula: STR1 wherein R1 and R2 each represents an alkyl or aralkyl group of 4-18 carbon atoms, R3 represents a haloalkyl group, X represents O, COO,
Liquid crystal compound
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, (2008/06/13)
A liquid crystal compound represented by formula (I): wherein R1 represents an alkyl group having from 3 to 18 carbon atoms or an aralkyl group having from 7 to 18 carbon atoms; R2 represents an alkenyl group having from 1 to 18 (pre
