Liquid crystal display

Abstract

A liquid crystal display includes a first insulating substrate, and a second insulating substrate facing the first insulating substrate. A protective layer is formed on the data lines, and pixel electrodes are formed on the protective layer such that the pixel electrodes are connected to the drain electrodes while having a plurality of slits and horizontal opening portions. A common electrode is formed on the second insulating substrate with a plurality of opening portions. The horizontal opening portions of the pixel electrode and the opening portions of the common electrode partition the pixel region into left and right domains as well as upper and lower domains. The slits are positioned at the left and right domains.

1 . A liquid crystal display, comprising:
 a first substrate;   a pixel area divided into a first portion and a second portion on the first substrate;   a second substrate facing the first substrate; and   a liquid crystal layer interposed between the first and second substrates, wherein the liquid crystal layer on each of the first portion and the second portion is divided into a plurality of domains, each of the plurality of domains being defined by a direction of liquid crystal molecules when an electric field is applied, and a value an electric field of the second portion is weaker than a value of an electric field of the first portion.   
     
     
         2 . The liquid crystal display of  claim 1 , further comprising a plurality of first signal lines, and a pixel electrode on the first substrate. 
     
     
         3 . The liquid crystal display of  claim 2 , wherein the pixel electrode is electrically connected to a first signal line of the plurality of first signal lines with a first thin film transistor. 
     
     
         4 . The liquid crystal display of  claim 2 , further comprising a plurality of second signal lines, wherein each of the second signal lines are respectively disposed between two adjacent first signal lines. 
     
     
         5 . The liquid crystal display of  claim 4 , wherein a second signal line is capacitively coupled with the pixel electrode. 
     
     
         6 . The liquid crystal display of  claim 5 , wherein the pixel electrode is overlapped by a portion of a second signal line. 
     
     
         7 . The liquid crystal display of  claim 1 , wherein the domains of the liquid crystal layer are divided by a domain partitioning member. 
     
     
         8 . The liquid crystal display of  claim 7 , wherein the domain partitioning member is formed on the first substrate. 
     
     
         9 . The liquid crystal display of  claim 8 , wherein the domain partitioning member includes a plurality of slits formed in a pixel electrode on the first substrate. 
     
     
         10 . The liquid crystal display of  claim 9 , wherein a width of the slits is about 2 μm to about 5 μm. 
     
     
         11 . The liquid crystal display of  claim 10 , wherein a width of the slits in the first portion is different from a width of the slits in the second portion. 
     
     
         12 . The liquid crystal display of  claim 1 , wherein the liquid crystal molecules of a domain are initially aligned in a vertical direction with respect to the first substrate. 
     
     
         13 . The liquid crystal display of  claim 12 , wherein the domains of the liquid crystal layer are divided by a domain partitioning member. 
     
     
         14 . The liquid crystal display of  claim 13 , wherein the domain partitioning member is formed on the first substrate. 
     
     
         15 . The liquid crystal display of  claim 14 , wherein the domain partitioning member includes a plurality of slits formed in a pixel electrode on the first substrate. 
     
     
         16 . The liquid crystal display of  claim 15 , wherein a width of the slits is about 2 μm to about 5 μm. 
     
     
         17 . The liquid crystal display of  claim 16 , wherein a width of the slits in the first portion is different from a width of the slits in the second portion. 
     
     
         18 . A liquid crystal display, comprising:
 a first substrate;   a plurality of pixels, at least one of the pixels comprising a first pixel electrode and a second pixel electrode respectively disposed on the first substrate on the same layer;   a second substrate facing the first substrate; and   a liquid crystal layer interposed between the first and second substrates, wherein the liquid crystal layer on each of the first pixel electrode and the second pixel electrode is divided into a plurality of domains, each of the plurality of domains being defined by a direction of liquid crystal molecules when an electric field is applied, and a value of an electric field generated by the second pixel electrode is weaker than a value of an electric field generated by the first pixel electrode.   
     
     
         19 . The liquid crystal display of  claim 18 , further comprising a plurality of first signal lines formed on the first substrate. 
     
     
         20 . The liquid crystal display of  claim 19 , wherein the first pixel electrode is electrically connected to a first signal line of the plurality of first signal lines with a first thin film transistor and the second pixel electrode is electrically connected to the first signal line with a second thin film transistor.