Active matrix display device with dummy data lines
View Patent ↗An exemplary active matrix display device includes a display panel comprising a plurality of scanning lines extending along a horizontal axis, a plurality of data lines extending along a vertical axis, and a plurality of dummy data lines. Two scanning lines and two data lines define two display pixels; each of the plurality of data lines is connected to at least two adjacent display pixels along the horizontal axis, and the at least two adjacent display pixels are driven by the two scanning lines, respectively. Each of the plurality of dummy data lines is disposed between two random adjacent data lines and is provided with gray scale voltage signals by a driving circuit of the display panel, thereby forming coupling capacitances between each of the plurality of dummy data lines and two pixel electrodes of the two display pixels.
1. An active matrix display device, comprising:
a display panel comprising a plurality of scanning lines extending along a horizontal axis of the display panel, a plurality of data lines extending along a vertical axis of the display panel, and two scanning lines and two data lines defining two display pixels;
a plurality of dummy data lines, wherein each of the plurality of dummy data lines is disposed between two adjacent display pixels located between the two random adjacent data lines; and
a data driving circuit, configured for driving the plurality of data lines, wherein the plurality of dummy data lines comprise at least a common connective end electrically connected to the data driving circuit, the data driving circuit provides gray scale voltages for the plurality of dummy data lines;
wherein each of the plurality of data lines is connected to at least two adjacent display pixels along the horizontal axis, the at least two adjacent display pixels are driven by two corresponding scanning lines respectively, and each of the plurality of dummy data lines is disposed between two random adjacent data lines and is provided with gray scale voltage signals by a driving circuit of the display panel, to form coupling capacitances between each of the plurality of dummy data lines and two pixel electrodes of the two display pixels, wherein the polarity of the gray scale voltage for the two random adjacent data lines is opposite to the polarity of the gray scale voltage for the corresponding dummy data line at the same time.
2. The active matrix display device of claim 1 , wherein the plurality of dummy data lines arranged in straight lines along the vertical axis.
3. The active matrix display device of claim 1 , wherein the plurality of dummy data lines arranged in square waveforms along the vertical axis.
4. The active matrix display device of claim 1 , further comprising a scanning driving circuit, wherein the plurality of scanning lines is connected to the scanning driving circuit.
5. The active matrix display device of claim 4 , wherein the plurality of scanning lines perpendicularly intersect with the plurality of dummy data lines.
6. The active matrix display device of claim 5 , wherein the active matrix display device is an LCD device.
7. An active matrix display device, comprising:
a display panel comprising a plurality of scanning lines extending along a horizontal axis of the display panel, a plurality of data lines extending along a vertical axis of the display panel, and two scanning lines and two data lines defining two display pixels, each of the two display pixels comprising a pixel electrode; and
a plurality of dummy data lines, wherein each of the plurality of dummy data lines disposed between two adjacent data lines is electrically connected to one of the two adjacent data lines, both ends of each of the plurality of dummy data lines are connected to one of the two adjacent data lines;
wherein each of the data lines is disposed between pixel electrodes to drive adjacent display pixels, each of the data lines is connected to at least two pixels electrodes adjacent to each other along the horizontal axis, the two adjacent pixel electrodes in the horizontal axis are connected to the two scanning lines, respectively, and each of the plurality of data lines is disposed between the two pixel electrodes adjacent to each other.
8. The active matrix display device of claim 7 , wherein one end of each of the plurality of dummy data lines is connected to one of the two adjacent data lines, with the other end of each of the plurality of dummy data lines floating.
9. The active matrix display device of claim 7 , further comprising a scanning driving circuit, wherein the plurality of scanning lines is connected to the scanning driving circuit.
10. The active matrix display device of claim 7 , further comprising a data driving circuit, wherein the plurality of data lines is connected to the data driving circuit.
11. The active matrix display device of claim 10 , further comprising a scanning driving circuit, wherein the plurality of scanning lines is connected to the scanning driving circuit.
12. The active matrix display device of claim 11 , wherein the plurality of scanning lines perpendicularly intersect with the plurality of data lines.
13. The active matrix display device of claim 12 wherein the active matrix display device is an LCD device.