Title:
BENZENE DERIVATIVE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY
Document Type and Number:
WIPO Patent Application WO/2005/095311
Kind Code:
A1
Abstract:
Conventional compounds exhibiting a negative dielectric constant anisotropy
although exhibiting a negative dielectric constant anisotropy of relatively
large numeric value are not appropriate in the balance of properties as a liquid
crystal material, for example, having a low clear point or a large viscosity.
Thus, it is intended to provide a liquid crystal compound not only exhibiting
a negative dielectric constant anisotropy but also ensuring excellent property
balance including relatively high clear point, relatively low viscosity, appropriate
optical anisotropy, excellent compatibility with another liquid crystal compound,
etc. There is provided a compound of the formula (1) or (2). In the formulae, each
of Ra and Rb is hydrogen or C1-C20 alkyl; each of A1,
A11, A12, A2, A21 and A22
is a cyclic group; each of Y, W, Z11, Z12, Z2, Z21
and Z22 is a bond group; and each of j, k, m, n, p and q is 0 or 1 with the proviso
that the sum thereof is 1 to 3.
Inventors:
MATSUI SYUICHI (JP)
SASADA YASUYUKI (JP)
SASADA YASUYUKI (JP)
Application Number:
PCT/JP2005/005837
Publication Date:
October 13, 2005
Filing Date:
March 29, 2005
Export Citation:
Assignee:
CHISSO CORP (JP)
CHISSO PETROCHEMICAL CORP (JP)
MATSUI SYUICHI (JP)
SASADA YASUYUKI (JP)
CHISSO PETROCHEMICAL CORP (JP)
MATSUI SYUICHI (JP)
SASADA YASUYUKI (JP)
International Classes:
C07C25/18; C07C43/225; C09K19/04; C09K19/12; C09K19/34; C09K19/42; G02F1/13; (IPC1-7): C07C25/18; C07C43/225; C09K19/12; C09K19/34; C09K19/42; G02F1/13
Domestic Patent References:
| WO2000039063A1 | 2000-07-06 |
Foreign References:
| DE4338348A1 | 1994-05-26 | |||
| JP2004075667A | 2004-03-11 |
Other References:
See also references of EP 1731493A4
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