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US 10,768,498 B2Granted
Liquid crystal display device
AssigneeSamsung Display Co., Ltd.
InventorsSoon Joon Rho, Kyungmin Kim, Jin-Lak Kim, Hyelim Jang
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Abstract
A liquid crystal display device includes a first substrate, a second substrate facing the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. The liquid crystal layer includes liquid crystal molecules having a negative dielectric anisotropy, a response speed of about 4.0 ms or less, and a rotational viscosity of about 47 mPa·S to about 75 mPa·S.
Claims9
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 consisting of:
- liquid crystal molecules represented by Chemical Formula 1 in an amount of 7% by weight to 13% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 2 in an amount of 23% by weight to 29% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 3 in an amount of 1% by weight to 5% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 4 in an amount of 39% by weight to 47% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 5 in an amount of 10% by weight to 16% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 7 in an amount of 3% by weight to 9% by weight of the liquid crystal layer;
- wherein Chemical Formulas 1, 2, 3, 4, 5, and 7 are as follows:
- wherein, in Chemical Formulas 1, 2, 3, 4, 5, and 7, R and R′ are each independently an alkyl or an alkoxy group having 1 to 7 carbons.
9 more elements
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 consisting of:
- liquid crystal molecules represented by Chemical Formula 1 in an amount of 7% by weight to 13% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 2 in an amount of 23% by weight to 29% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 3 in an amount of 1% by weight to 5% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 4 in an amount of 39% by weight to 47% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 5 in an amount of 10% by weight to 16% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 7 in an amount of 3% by weight to 9% by weight of the liquid crystal layer;
- wherein the liquid crystal layer is configured to operate at a temperature of 40° C.±10%;
- wherein Chemical Formulas 1, 2, 3, 4, 5, and 7 are as follows:
- wherein, in Chemical Formulas 1, 2, 3, 4, 5, and 7, R and R′ are each independently an alkyl or an alkoxy group having 1 to 7 carbons.
10 more elements
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 consisting of:
- liquid crystal molecules represented by Chemical Formula 1 in an amount of 7% by weight to 13% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 2 in an amount of 23% by weight to 29% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 3 in an amount of 1% by weight to 5% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 4 in an amount of 39% by weight to 47% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 5 in an amount of 10% by weight to 16% by weight of the liquid crystal layer;
- liquid crystal molecules represented by Chemical Formula 7 in an amount of 3% by weight to 9% by weight of the liquid crystal layer;
- wherein the liquid crystal layer has a nematic isotropic transition temperature of 110° C. or more,
- wherein the liquid crystal layer has a rotational viscosity of 52 mPa·S to 75 mPa·S when operating at a temperature of 40° C. to 50° C. and comprises liquid crystal molecules having a negative dielectric anisotropy, and
- wherein Chemical Formulas 1, 2, 3, 4, 5, and 7 are as follows:
- wherein, in Chemical Formulas 1, 2, 3, 4, 5, and 7, R and R′ are each independently an alkyl or an alkoxy group having 1 to 7 carbons.
11 more elements
Dependencies are inferred from the claim text.