Display driving device and method and liquid crystal display apparatus having the same

Abstract

A liquid crystal panel assembly having a first group of pixels and a second group of pixels, gate lines having a first group of gate lines and a second group of gate lines that are connected with the first group of pixels and the second group of pixels, respectively, and data lines each of which is connected with one of the first group of pixels and one of the second group of pixels in every row. Further including a signal controller that receives input image signals and generates two groups of image data, a data driver that receives the two groups of image data, and a gate driving unit including a first gate driver that provides first gate-on signals to the first group of gate lines and a second gate driver that provides second gate-on signals to the second group of gate lines.

1 - 20 . (canceled) 
     
     
         21 . A liquid crystal display apparatus comprising:
 a liquid crystal panel assembly including:   a plurality of pixels arranged in a matrix, the plurality of pixels including a first group of pixels and a second group of pixels;   a plurality of gate lines having a first group of gate lines and a second group of gate lines that are connected with the first group of pixels and the second group of pixels, respectively; and   a plurality of data lines connected with the first group of pixels and the second group of pixels;   a signal controller that receives input image signals and generates image data;   a data driver that receives the image data and provides data voltages corresponding to the image data to the plurality of data lines; and   a gate driving unit including a first gate driver that provides first gate-on signals to the first group of gate lines and a second gate driver that provides second gate-on signals to the second group of gate lines,   wherein the first gate driver is applied a first clock signal and the second gate driver is applied a second clock signal,   the first clock signal are each overlapped with corresponding the second clock signals for a predetermined time interval.   
     
     
         22 . The liquid crystal display apparatus of  claim 21 , wherein the predetermined time interval is half horizontal period. 
     
     
         23 . The liquid crystal display apparatus of  claim 21 , wherein the first gate-on signals are each overlapped with corresponding the second gate-on signals for a predetermined time interval. 
     
     
         24 . The liquid crystal display apparatus of  claim 23 , wherein the predetermined time interval is half horizontal period. 
     
     
         25 . The liquid crystal display apparatus of  claim 21 , wherein the first gate driver is applied a first vertical synchronization start signal and the second gate driver is applied a second vertical synchronization start signal, and
 the first vertical synchronization start signal are each overlapped with corresponding the second vertical synchronization start signals for a predetermined time interval.   
     
     
         26 . The liquid crystal display apparatus of  claim 25 , wherein the predetermined time interval is half horizontal period. 
     
     
         27 . The liquid crystal display apparatus of  claim 21 , wherein the first and second gate drivers each include plurality of shift registers, each of the shift registers having an input connected to an output of a previous one of the shift registers and another input connected to an output of a following one of the shift registers, the shift registers each receiving at least one clock. 
     
     
         28 . The liquid crystal display apparatus of  claim 27 , wherein the shift registers each include:
 a SR latch and an AND gate having an input connected to an output of the SR latch and another input receiving a clock,   wherein SR latch having a set terminal S which receives previous shift register and a reset terminal R which receives output of the following shift register.   
     
     
         29 . The liquid crystal display apparatus of  claim 21 , wherein the plurality of pixels are located between the first gate driver and the second gate driver. 
     
     
         30 . The liquid crystal display apparatus of  claim 29 , wherein the first gate driver and the second gated driver are incorporated into the liquid crystal panel assembly. 
     
     
         31 . The liquid crystal display apparatus of  claim 29 , wherein the first gate driver and the second gated driver each is formed as an integrated circuit chip. 
     
     
         32 . The liquid crystal display apparatus of  claim 31 , wherein the first gate driver and the second gated driver are mounted on the liquid crystal panel assembly.