Title:
COMPOUND AND LIQUID CRYSTAL MEDIUM
Document Type and Number:
Japanese Patent JP2018184585
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a compound and a liquid crystal medium.SOLUTION: There is provided a liquid crystal medium containing a compound represented by bis(1-oxyl-2,2,6,6-tetramethylpiperidine-4-yl)2-{3-[2,5-bis({4-butyl-5-[(1-oxyl-2,2,6,6-tetramethylpiperidine-4-yl)oxy]-4-{[(1-oxyl-2,2,6,6-tetramethylpiperidine-4-yl)oxy]carbonyl}-5-oxopentyl})phenyl]propyl}-2-butylpropanedioate for stabilizing a liquid crystal medium and one or more compounds of formula II having a nematic phase and a negative dielectric anisotropy or the like. (Rrepresents an unsubstituted alkyl group having 1 to 7 carbon atoms or an unsubstituted alkenyl group having 2 to 7 carbon atoms; and Rrepresents an unsubstituted alkenyl group having 2 to 7 carbon atoms.)SELECTED DRAWING: None
Inventors:
MARTIN ENGEL
SABRINA MAAG
INGO ALMEROTH
ROCCO FORTTE
ACHIM GOETZ
THORSTEN KODEK
OLIVER HEPPERT
SABRINA MAAG
INGO ALMEROTH
ROCCO FORTTE
ACHIM GOETZ
THORSTEN KODEK
OLIVER HEPPERT
Application Number:
JP2018013449A
Publication Date:
November 22, 2018
Filing Date:
January 30, 2018
Export Citation:
Assignee:
MERCK PATENT GMBH
International Classes:
C09K19/54; C07D211/94; C07D307/91; C07D319/06; C07J9/00; C09K19/12; C09K19/30; C09K19/34; C09K19/38; G02F1/13
Domestic Patent References:
| JP2003342266A | 2003-12-03 |
Foreign References:
| WO2018235713A1 | 2018-12-27 | |||
| CN101993412A | 2011-03-30 |
Attorney, Agent or Firm:
Katsuhiro Ito