JP2005018085A5 - - Google Patents

Claims (21)

A pixel array having a plurality of pixel columns;
  A plurality of gate lines for transmitting a scanning signal for selecting each of the plurality of pixel columns;
  An active matrix type liquid crystal display device operating in a normally black display mode, and a data line for supplying a signal to a pixel column selected by the scanning signal,
A first step of sequentially selecting Y (Y ≧ 2) adjacent gate lines and sequentially supplying display signals to the pixel columns selected by the Y gate lines;
  Z gate lines (Z ≧ 2) spaced apart from the sequentially selected Y gate lines are selected at a time, and blanking is performed on a plurality of pixel columns selected by the Z gate lines. A second step of supplying signals collectively,
An active matrix type liquid crystal display characterized by alternately repeating the first step and the second step while sequentially moving the Y adjacent gate lines in the pixel array in one frame. apparatus. 2. The active matrix type liquid crystal display device according to claim 1, wherein the number of Y and the number of Z are the same. 2. The active matrix type liquid crystal display device according to claim 1, wherein the number of Y and the number of Z is four. 4. The active matrix liquid crystal display device according to claim 1, wherein the blanking signal is a signal for displaying black on a pixel. 5. The number of gate lines existing between the Y gate lines and the Z gate lines separated from the Y gate lines can be changed. The active matrix liquid crystal display device described. 6. The active matrix liquid crystal display device according to claim 1, wherein a blanking signal having a darkness is supplied according to each pixel of the pixel array. 7. The active matrix liquid crystal display device according to claim 1, wherein the Z gate lines selected in the second step are shifted by one gate line for each frame. A pixel array having a plurality of pixel columns;
  A plurality of gate lines for transmitting a scanning signal for selecting each of the plurality of pixel columns;
  An active matrix liquid crystal display device that operates in a normally black display mode, and has a data line for supplying a display signal to a pixel column selected by the scanning signal,
In one frame, Y adjacent gate lines (Y ≧ 2) are sequentially selected, and display signals are sequentially supplied to the pixel columns selected by the Y gate lines, and the first period has elapsed. Later, the Y gate lines are collectively selected, and a blanking signal is supplied to the pixel column selected by the Y gate lines.
In the one frame, X (X ≧ 2) adjacent gate lines different from the Y gate lines are sequentially selected, and display signals are sequentially applied to the pixel columns selected by the X gate lines. After the second period has elapsed, the X gate lines are collectively selected, and a blanking signal is supplied to the pixel column selected by the X gate lines. An active matrix liquid crystal display device. 9. The active matrix liquid crystal display device according to claim 8, wherein the Y gate lines and the X gate lines are adjacent gate lines. 10. The active matrix type liquid crystal display device according to claim 8, wherein the number of Y and the number of X is four. 11. The active matrix liquid crystal display device according to claim 8, wherein the blanking signal is a signal for displaying black on a pixel. 12. The active matrix liquid crystal display device according to claim 8, wherein the first period and the second period are the same time. The active matrix liquid crystal display device according to claim 12, wherein the first period and the second period can be changed. 14. The active matrix liquid crystal display device according to claim 8, wherein a blanking signal having a darkness is supplied in accordance with each pixel of the pixel array. A pixel array having a plurality of pixel columns;
  A plurality of gate lines for transmitting a scanning signal for selecting each of the plurality of pixel columns;
  A data line for supplying a display signal to a pixel column selected by the scanning signal,
  A liquid crystal display device in which the light transmittance of the liquid crystal layer increases as the potential difference between the pixel electrode and the counter electrode of each pixel of the plurality of pixel columns increases,
A first step of sequentially selecting Y (Y ≧ 2) adjacent gate lines and sequentially supplying display signals to the pixel columns selected by the Y gate lines;
  Z gate lines (Z ≧ 2) spaced apart from the sequentially selected Y gate lines are selected at a time, and blanking is performed on a plurality of pixel columns selected by the Z gate lines. A second step of supplying signals collectively,
An active matrix type liquid crystal display characterized by alternately repeating the first step and the second step while sequentially moving the Y adjacent gate lines in the pixel array in one frame. apparatus. 16. The active matrix type liquid crystal display device according to claim 15, wherein the Y number and the Z number are the same number. 16. The active matrix liquid crystal display device according to claim 15, wherein the number of Y and the number of Z is four. 18. The active matrix liquid crystal display device according to claim 15, wherein the blanking signal is a signal for displaying black on a pixel. The number of gate lines existing between the Y gate lines and the Z gate lines spaced from the Y gate lines can be changed. The active matrix liquid crystal display device described. 20. The active matrix liquid crystal display device according to claim 15, wherein a blanking signal having a darkness is supplied in accordance with each pixel of the pixel array. 21. The active matrix liquid crystal display device according to claim 15, wherein the Z gate lines selected in the second step are shifted by one gate line for each frame.