Patent number: 10310303
Abstract: Provided is a liquid crystal compound that can obtain a high-speed response and a sufficient contrast ratio in switching of a display device. A compound represented by formula (1) described below is utilized. In formula (1), ring A is naphthylene, phenantolylene or anthracenylene, and in the groups, at least one piece of hydrogen may be replaced by halogen, —CH3, —C2H5, —CF3, —CHF2, —CH2F, —OCF3, —OCHF2 or —OCH2F; and X1, X2, X3, X4, X5, Y1, Y2, Y3, Y4 and Y5 are independently hydrogen or fluorine, but at least two or more of X1, X2, X3, X4, X5, Y1, Y2, Y3, Y4 and Y5 is fluorine.
Type:
Grant
Filed:
May 17, 2017
Date of Patent:
June 4, 2019
Assignees:
National University Corporation Chiba University, JNC Corporation, JNC Petrochemical Corporation
Inventors:
Keiki Kishikawa, Sang Ho Lee, Yasuyuki Sasada, Tokifumi Masukawa