| 摘要 |
The present disclosure provides a source driver IC. A first sub-driver circuit is provided to, within a time period, control polarities of driving voltages for a first subpixel and a third subpixel in pixel units at odd-numbered positions in a pixel row to be reverse to polarities of driving voltages for a second subpixel and a fourth subpixel in the pixel units at the odd-numbered positions in the pixel row, and a second sub-driver circuit is provided to, within the time period, control polarities of driving voltages for a first subpixel and a third subpixel in the pixel units at even-numbered positions to be identical to polarities of driving voltages for the second subpixel and the fourth subpixel in the pixel units at the odd-numbered positions but reverse to polarities of driving voltages for the second subpixel and the fourth subpixel in the pixel units at the even-numbered positions. |
| 主权项 |
1. A source driver IC, connected to a display panel, the display panel comprising a plurality of pixel units, each of which comprises a first subpixel, a second subpixel, a third subpixel and a fourth subpixel arranged sequentially in a horizontal direction;
wherein the source driver circuit comprises: a first sub-driver circuit connected to pixel electrodes corresponding to pixel units at odd-numbered positions in each pixel row and configured to, within a time period, transmit voltage signals at corresponding potentials to the pixel electrodes corresponding to the pixel units at the odd-numbered positions, so as to control, within the time period, polarities of driving voltages for the first subpixels and the third subpixels in the pixel units at the odd-numbered positions to be reverse to polarities of driving voltages for the second subpixels and the fourth subpixels in the pixel units at the odd-numbered positions; and a second sub-driver circuit connected to pixel electrodes corresponding to pixel units at even-numbered positions in each pixel row and configured to, within the time period, transmit voltage signals at corresponding potentials to the pixel electrodes corresponding to the pixel units at the even-numbered positions, so as to control polarities of driving voltages for the first subpixels and the third subpixels in the pixel units at the even-numbered positions to be identical to the polarities of the driving voltages for the second subpixels and the fourth subpixels in the pixel units at the odd-numbered positions, and control, within the time period, polarities of driving voltages for the second subpixels and the fourth subpixels in the pixel units at the even-numbered positions to be identical to the polarities of the driving voltages for the first subpixels and the third subpixels in the pixel units at the odd-numbered positions; wherein the first sub-driver circuit comprises: a first control module configured to generate a first voltage signal at a first potential greater than a potential of a common electrode in the display panel based on a logic digital signal, and connected to a logic digital signal generation unit, a first analog voltage input end and a second analog voltage input end; a second control module configured to generate a second voltage signal at a second potential less than the potential of the common electrode based on the logic digital signal, and connected to the logic digital signal generation unit, the second analog voltage input end and a third analog, voltage input end; a first output end configured to transmit the first voltage signal or the second voltage signal to the pixel electrodes corresponding to the first subpixels and the third subpixels in the pixel units at the odd-numbered positions, and connected to the pixel electrodes corresponding to the first subpixels and the third subpixels in the pixel units at the odd-numbered positions; a second output end configured to transmit the second voltage signal or the first voltage signal to the pixel electrodes corresponding to the second subpixels and the fourth subpixels in the pixel units at the odd-numbered positions, and connected to the pixel electrodes corresponding to the second subpixels and the fourth subpixels in the pixel units at the odd-numbered positions; and a first selection switch configured to, based on a control logic, connect the first output end to the first control module and connect the second output end to the second control module within a first display duration of the time period so that the first output end outputs the first voltage signal and the second output end outputs the second voltage signal, and connect the first output end to the second control module and connect the second output end to the first control module within a second display duration of the time period so that the first output end outputs the second voltage signal and the second output end outputs the first voltage signal, the first selection switch being connected to the first control module, the second control module, the first output end and the second output end, and the first display duration and the second display duration alternating within the time period. |
