Organic compound, liquid crystal composition, liquid crystal element, and liquid crystal display device

Patent metadata

Field	Value
Publication number	US-9957213-B2
Application number	US-201414330012-A
Country	US
Kind code	B2
Filing date	Jul 14, 2014
Priority date	Jul 30, 2013
Publication date	May 1, 2018
Grant date	May 1, 2018

Abstract

A novel organic compound that can be used in a variety of liquid crystal devices or a liquid crystal composition containing the novel organic compound is provided. An organic compound represented by General Formula (G1) is provided. A novel liquid crystal composition containing the organic compound is provided. In General Formula (G1), Ar 1 and Ar 2 separately represent a substituted or unsubstituted arylene group having 6 to 12 carbon atoms, a substituted or unsubstituted cycloalkylene group having 3 to 12 carbon atoms, or a substituted or unsubstituted cycloalkenylene group having 3 to 12 carbon atoms. In addition, m and n separately represent 0 or 1. R 1 and R 2 separately represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 11 carbon atoms, or a substituted or unsubstituted alkoxy group having 1 to 11 carbon atoms.

First claim

What is claimed is:

1. An organic compound represented by Formula (G1):

wherein Ar 1 and Ar 2 separately represent a substituted or unsubstituted cycloalkylene group having 3 to 12 carbon atoms, or a substituted or unsubstituted cycloalkenylene group having 3 to 12 carbon atoms,
wherein m represents 1,
wherein n represents 0 or 1 1, and
wherein R 1 and R 2 separately represent a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 11 carbon atoms.

2. The organic compound according to claim 1 , wherein a substituent of the substituted cycloalkylene group or the substituted cycloalkenylene group of Ar 1 or Ar 2 is one selected from the group consisting of fluorine (F), bromine (Br), chlorine (Cl), iodine (I), a cyano group (CN), a trifluoromethyl group (CF 3 ), a trifluoromethylsulfonyl group (SO 2 CF 3 ), a nitro group (NO 2 ), an isothiocyanate group (NCS), a thiocyanate group (SCN), and a pentafluorosulfanyl group (SF 5 ), and
wherein a substituent of the substituted alkyl group of R 1 or R 2 is one selected from the group consisting of fluorine (F), bromine (Br), chlorine (Cl), iodine (I), a cyano group (CN), a trifluoromethyl group (CF 3 ), a trifluoromethylsulfonyl group (SO 2 CF 3 ), a nitro group (NO 2 ), an isothiocyanate group (NCS), a thiocyanate group (SCN), and a pentafluorosulfanyl group (SF 5 ).

3. An organic compound represented by Formula (110):

4. A liquid crystal composition comprising:
a liquid crystal compound; and
an organic compound represented by Formula (G1):

wherein Ar 1 and Ar 2 separately represent a substituted or unsubstituted cycloalkylene group having 3 to 12 carbon atoms, or a substituted or unsubstituted cycloalkenylene group having 3 to 12 carbon atoms,
wherein m represents 1,
wherein n represents 0 or 1, and
wherein R 1 and R 2 separately represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 11 carbon atoms, or a substituted or unsubstituted alkoxy group having 1 to 11 carbon atoms.

5. The liquid crystal composition according to claim 4 , wherein a substituent of the substituted cycloalkylene group or the substituted cycloalkenylene group of Ar 1 or Ar 2 is one selected from the group consisting of fluorine (F), bromine (Br), chlorine (CO, iodine (I), a cyano group (CN), atrifluoromethyl group (CF 3 ), a trifluoromethylsulfonyl group (SO 2 CF 3 ), a nitro group (NO 2 ), an isothiocyanate group (NCS), a thiocyanate group (SCN), or a pentafluorosulfanyl group (SF 5 ), and
wherein a substituent of the substituted alkyl group of R 1 or R 2 is one selected from the group consisting of fluorine (F), bromine (Br), chlorine (Cl), iodine (I), a cyano group (CN), a trifluoromethyl group (CF 3 ), a trifluoromethylsulfonyl group (SO 2 CF 3 ), a nitro group (NO 2 ), an isothiocyanate group (NCS), a thiocyanate group (SCN), and a pentafluorosulfanyl group (SF 5 ).

6. A liquid crystal composition comprising:
a liquid crystal compound; and
an organic compound represented by Formula (110):

7. A liquid crystal element comprising the liquid crystal composition according to claim 4 .

8. A liquid crystal display device comprising the liquid crystal element according to claim 7 .

9. The liquid crystal element according to claim 7 , wherein the liquid crystal element has a high voltage holding ratio.

Assignees

• Semiconductor Energy Lab
• Semiconductor Energy Laboratory Co

Inventors

• Kato Momoko
• Niikura Yasuhiro
• Ikenaga Makoto
• Kobayashi Manabu
• Ishitani Tetsuji

Classifications

• C07C43/205

  the aromatic ring being a non-condensed ring · CPC title

• C09K19/3066

  in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers · CPC title

• C09K19/586

  Optically active dopants; chiral dopants · CPC title

• C09K19/20

  linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters {or ethers} · CPC title

• C07C2601/14

  The ring being saturated · CPC title