Title:
ESTER COMPOUNDS, LIQUID CRYSTAL COMPOSITIONS AND LIQUID CRYSTAL DISPLAY DEVICES
Document Type and Number:
WIPO Patent Application WO/1999/035118
Kind Code:
A1
Abstract:
Novel liquid-crystalline ester compounds represented by general formula (1) appropriate for liquid crystal display devices which can be driven at low voltage and over a wide temperature range and show high-speed responses; liquid crystal compositions containing these compounds and liquid crystal display devices with the use thereof. In formula (1) R¿1? represents hydrogen, cyano, nitro, amino, halogeno, alkyl, alkenyl, etc.; A¿1? to A¿6? represent each 1,4-cyclohexylene, 1,4-phenylene, 1-cyclohexen-1,4-diyl, etc.; Za to Zd represent each a single bond, -O-, -C$m(Z), alkylene, etc.; Ze represents a single bond, alkylene, alkenylene, etc..
Inventors:
HASEBA YASUHIRO (JP)
MATSUI SHUICHI (JP)
TAKEUCHI HIROYUKI (JP)
YAGI HIROO (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
MATSUI SHUICHI (JP)
TAKEUCHI HIROYUKI (JP)
YAGI HIROO (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
Application Number:
PCT/JP1999/000046
Publication Date:
July 15, 1999
Filing Date:
January 08, 1999
Export Citation:
Assignee:
CHISSO CORP (JP)
HASEBA YASUHIRO (JP)
MATSUI SHUICHI (JP)
TAKEUCHI HIROYUKI (JP)
YAGI HIROO (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
HASEBA YASUHIRO (JP)
MATSUI SHUICHI (JP)
TAKEUCHI HIROYUKI (JP)
YAGI HIROO (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
International Classes:
C07D239/26; C07D319/06; C07D405/04; C07D407/04; C09K19/12; C09K19/14; C09K19/20; C09K19/30; C09K19/34; C09K19/40; C09K19/46; (IPC1-7): C07C69/63; C07C69/65; C07C69/75; C07C69/76; C07D239/26; C07D239/34; C07D319/06; C07D405/04; C09K19/46; G02F1/13
Foreign References:
JPH0931064A | 1997-02-04 | |||
JPH02304083A | 1990-12-17 | |||
JPH0225451A | 1990-01-26 |
Other References:
BAHADUR B.: "LIQUID CRYSTALS. APPLICATIONS AND USES.", 1 January 1991, SINGAPORE, WORLD SCIENTIFIC., SG, article TORGOVA S. I., ET AL.: "PHENACYL ESTERS A NEW CLASS OF LIQUID-CRYSTALLINE COMPOUND.", pages: 881 - 886., XP002922199, 019959
See also references of EP 1053996A4
See also references of EP 1053996A4
Attorney, Agent or Firm:
Kawakita, Takenaga (Nihonbashi-kayabacho 2-chome Chuo-ku Tokyo, JP)
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