Liquid crystal display having wide viewing angle
View Patent ↗Disclosed is a liquid crystal display comprising first and second substrates provided opposing one another; a liquid crystal layer made of liquid crystal material that is injected between the first and second substrates; pixel electrodes and a common electrode formed on at least one of the substrates, the pixel electrodes and common electrode generating an electric field that acts on the liquid crystal layer; and domain formation means for controlling a slanting direction of liquid crystal molecules within the liquid crystal layer, wherein m is an integer satisfying the following: h /2(π/ wp ) 1/2 −2≦ m≦h /2(π/ wp ) 1/2 +2 where m is a number of domains formed by dividing the pixel electrodes by the domain formation means, w is a length of a first direction of the pixel electrodes, h is a length of a second direction of the pixel electrodes, the second direction being perpendicular to the first direction, and p is a width of a second direction of the domain formation means.
1. A domain formed in a pixel of a liquid crystal display, comprising:
a long side having a length A; and
a short side having a length B, A being equal to or greater than 3B,
wherein m is an integer satisfying the following:
h /2(π/ wp ) 1/2 −2 ≦m≦h /2(π/ wp ) 1/2 +2,
where w is a width of the pixel, h is a height of a pixel region, m is a number of domains formed in the pixel and p is a width of a domain divider.
2. The domain of claim 1 , wherein the domain has a quadrilateral shape.
3. The domain of claim 1 , wherein the domain divider is an aperture.
4. The domain of claim 1 , wherein the domain divider is a protrusion.
5. The domain of claim 1 , wherein the domain divider is a combination of an aperture and a protrusion.
6. A liquid crystal display of vertically aligned mode, comprising:
a first substrate with a pixel electrode formed thereon;
a second substrate with a common electrode formed thereon;
a pixel formed between the first substrate and second substrate; and
a domain divider formed on at least one of the pixel electrode and the common electrode,
wherein the domain divider forms a plurality of domains in a pixel, each domain having a closed shape that affects directions of liquid crystal molecule directors, and
the domain has a long side having a length A and a short side having a length B, A being equal to or greater than 3B.
7. The liquid crystal display of claim 6 , wherein the domain has a quadrilateral shape.
8. The liquid crystal display of claim 7 , wherein the pixel comprises an m number of domains, m being an integer satisfying the following:
h /2(π/ wp ) 1/2 −2 ≦m≦h /2(π/ wp ) 1/2 +2,
where w is a width of the pixel, h is a height of the pixel, and p is a width of the domain divider.
9. The liquid crystal display of claim 8 , wherein the domain divider is an aperture.
10. The liquid crystal display of claim 8 , wherein the domain divider is a protrusion.
11. The liquid crystal display of claim 8 , wherein the domain divider is a combination of an aperture and a protrusion.