ESTER COMPOUNDS, LIQUID CRYSTAL COMPOSITIONS AND LIQUID CRYSTAL DISPLAY DEVICES

WIPO Patent Application WO/1999/035118

A1

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..

HASEBA YASUHIRO (JP)
MATSUI SHUICHI (JP)
TAKEUCHI HIROYUKI (JP)
YAGI HIROO (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)

PCT/JP1999/000046

July 15, 1999

January 08, 1999

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CHISSO CORP (JP)
HASEBA YASUHIRO (JP)
MATSUI SHUICHI (JP)
TAKEUCHI HIROYUKI (JP)
YAGI HIROO (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)

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

JPH0931064A	1997-02-04
JPH02304083A	1990-12-17
JPH0225451A	1990-01-26

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

Kawakita, Takenaga (Nihonbashi-kayabacho 2-chome Chuo-ku Tokyo, JP)

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