Liquid crystal display and driving method thereof

Abstract

A liquid crystal display, the liquid crystal display comprises a plurality of gate lines which includes a first gate line, a transformation gate line, and a second gate line; a data line; and a pixel, wherein the pixel includes a first liquid crystal capacitor which includes a first sub-pixel electrode and a common electrode and a second liquid crystal capacitor which includes a second sub-pixel electrode and a common electrode; a first switching element connected to the first gate line, the data line, and the first sub-pixel electrode; a second switching element connected to the first gate line, the data line, and the second sub-pixel electrode; a third switching element connected to the transformation gate line and the second switching element; a transformation capacitor which includes a first terminal connected to the second gate line and a second terminal connected to the third switching element; and a first period where a gate-on voltage Von is applied to the first gate line and a second period where the gate-on voltage Von is applied to the transformation gate line do not overlap each other and, a gate-off voltage Voff is applied to the second gate line during the second period.

What is claimed is: 
     
         1 . A liquid crystal display, the liquid crystal display comprising:
 a plurality of gate lines which includes a first gate line, a transformation gate line, and a second gate line;   a data line; and   a pixel, wherein the pixel includes:
 a first liquid crystal capacitor which includes a first sub-pixel electrode and a common electrode, and a second liquid crystal capacitor which includes a second sub-pixel electrode and a common electrode; 
 a first switching element connected to the first gate line, the data line, and the first sub-pixel electrode; 
 a second switching element connected to the first gate line, the data line, and the second sub-pixel electrode; 
 a third switching element connected to the transformation gate line and the second switching element; 
 a transformation capacitor which includes a first terminal directly connected to the second gate line and a second terminal connected to the third switching element. 
   
     
     
         2 . The liquid crystal display of  claim 1 , wherein
 the second gate line and the first gate line are consecutive gate lines.   
     
     
         3 . The liquid crystal display of  claim 2 , wherein
 the second gate line is a gate line previous to the first gate line.   
     
     
         4 . The liquid crystal display of  claim 2 , wherein
 the second gate line is a gate line subsequent to the first gate line.   
     
     
         5 . The liquid crystal display of  claim 1 , wherein
 the first gate line is an i-th gate line (where i=2, 3, . . . , n), the second gate line is an i−1-th gate line, and the transformation gate line is an i+4-th gate line.   
     
     
         6 . The liquid crystal display of  claim 1 , wherein
 the first gate line is an i-th gate line (where i=2, 3, . . . , n), the second gate line is an i+1-th gate line, the transformation gate line is an i+4-th gate line.