Liquid crystal display
View Patent ↗A liquid crystal display comprises a first substrate having a pixel electrode, a second substrate adjacent to the first substrate and having a common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate, wherein a black voltage applied to the pixel electrode is in a range of from about 3V to about 4.4V and a perpendicular direction dielectric constant ∈⊥ of liquid crystals in the liquid crystal layer is greater than or equal to about 0.27 times of a horizontal direction dielectric constant ∈ ∥ of the liquid crystals.
1. A liquid crystal display comprising:
a first substrate comprising a pixel electrode;
a second substrate positioned opposite the first substrate and having a common electrode; and
a liquid crystal layer disposed between the first substrate and the second substrate, wherein a black voltage is applied to the pixel electrode in a range of from about 3V to about 4.4V and a perpendicular direction dielectric constant ∈⊥ of liquid crystals in the liquid crystal layer is greater than or equal to about 0.27 times of a horizontal direction dielectric constant ∈ ∥ of the liquid crystals,
wherein a white voltage applied to the pixel electrode is less than or equal to about 0.5 times of a 10% voltage, wherein the 10% voltage refers to a voltage when a transmittance falls by 10% from a white state.
2. The liquid crystal display according to claim 1 , wherein an anisotropic dielectric constant of the liquid crystals is in a range of about 7 to about 12.
3. The liquid crystal display according to claim 2 , wherein a storage capacitance is greater than or equal to about 0.5 times of a liquid crystal capacitance.
4. The liquid crystal display according to claim 1 , wherein a cell gap in the pixel electrode is about 4.0 μm.
5. The liquid crystal display according to claim 1 , wherein a storage capacitance is greater than or equal to about 0.5 times of a liquid crystal capacitance.
6. A liquid crystal display comprising:
a pixel electrode; and
a liquid crystal layer comprising a plurality of liquid crystal molecules, wherein a black voltage applied to the pixel is in a range from about 3V to about 4.4V and a perpendicular direction dielectric constant ∈⊥ of the liquid crystal molecules is greater than or equal to about 0.27 times of a horizontal direction dielectric constant ∈ ∥ of the liquid crystal molecules,
wherein a white voltage applied to the pixel electrode is less than or equal to about 0.5 times of a 10% voltage, wherein the 10% voltage refers to a voltage when a transmittance falls by 10% from a white state.
7. The liquid crystal display according to claim 6 , wherein an anisotropic dielectric constant of the liquid crystal molecules is in a range of about 7 to about 12.
8. The liquid crystal display according to claim 7 , wherein a storage capacitance is greater than or equal to about 0.5 times of a liquid crystal capacitance.
9. The liquid crystal display according to claim 6 , wherein a cell gap in the pixel electrode is about 4.0 μm.
10. The liquid crystal display according to claim 6 , wherein a storage capacitance is greater than or equal to about 0.5 times of a liquid crystal capacitance.