Title:
LIQUID CRYSTAL COMPOUNDS EXHIBITING NEGATIVE ANISOTROPY OF PERMITTIVITY, LIQUID CRYSTAL COMPOSITIONS, AND LIQUID CRYSTAL DISPLAYS
Document Type and Number:
WIPO Patent Application WO/1998/023563
Kind Code:
A1
Abstract:
Liquid crystal compounds which exhibit not only a negative anisotropy of permittivity but also extremely high voltage retention and low threshold voltages, are reduced in the temperature dependence of these properties, difficultly exhibit a smectic phase, and are excellent in compatibility with other liquid crystal materials; liquid crystal compositions containing the same; and liquid crystal displays made by using the compositions. The compounds are represented by general formula (1).
Inventors:
KONDO TOMOYUKI (JP)
MATSUI SHUICHI (JP)
MIYAZAWA KAZUTOSHI (JP)
TAKEUCHI HIROYUKI (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
MATSUI SHUICHI (JP)
MIYAZAWA KAZUTOSHI (JP)
TAKEUCHI HIROYUKI (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
Application Number:
PCT/JP1997/004330
Publication Date:
June 04, 1998
Filing Date:
November 27, 1997
Export Citation:
Assignee:
CHISSO CORP (JP)
KONDO TOMOYUKI (JP)
MATSUI SHUICHI (JP)
MIYAZAWA KAZUTOSHI (JP)
TAKEUCHI HIROYUKI (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
KONDO TOMOYUKI (JP)
MATSUI SHUICHI (JP)
MIYAZAWA KAZUTOSHI (JP)
TAKEUCHI HIROYUKI (JP)
TAKESHITA FUSAYUKI (JP)
NAKAGAWA ETSUO (JP)
International Classes:
C07C25/18; C07C43/225; C09K19/12; C09K19/14; C09K19/20; C09K19/42; C09K19/44; C09K19/46; (IPC1-7): C07C25/18; C07C43/174; C07C43/225; C09K19/10; G02F1/13
Foreign References:
JPH04103554A | 1992-04-06 | |||
JPH04198140A | 1992-07-17 | |||
JPH01157925A | 1989-06-21 | |||
JPH02501311A | 1990-05-10 | |||
JPH03500413A | 1991-01-31 | |||
JPH04169573A | 1992-06-17 | |||
JPH04282355A | 1992-10-07 | |||
JPH09137164A | 1997-05-27 | |||
JPH09157202A | 1997-06-17 |
Other References:
See also references of EP 0945418A4
Attorney, Agent or Firm:
Kawakita, Takenaga (3-6 Nihonbashi-kayabacho 2-chom, Chuo-ku Tokyo 103, JP)
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