Patent ID: 9658507
Date: 2017-05-23
CPC Classifications: C09K,G02F

Claim:
1. A liquid crystal display device, comprising: a first substrate; an opposing second substrate; and a liquid crystal layer interposed between the first substrate and the second substrate, the liquid crystal layer comprising: wherein the liquid crystal layer has a nematic isotropic transition temperature of 110° C. or more, wherein the liquid crystal layer is configured to operate at a temperature of 40° C.±10%, wherein the liquid crystal layer has a rotational viscosity of 52 mPa·S to 75 mPa·S and comprises liquid crystal molecules having a negative dielectric anisotropy, wherein the liquid crystal display device is configured to have a response speed of 4.0 ms or less, and wherein Chemical Formulas 1, 2, 3, 4, 5, and 7 are as follows: wherein the liquid crystal layer excludes liquid crystal molecules represented by Chemical Formula 6, which is as follows: wherein, in Chemical Formulas 1, 2, 3, 4, 5, 6, and 7, R and R′ are each independently an alkyl or an alkoxy group having 1 to 7 carbons.