Patent ID: 9613555
Date: 2017-04-04
CPC Classifications: G09G

Claim:
1. A pixel driving circuit, comprising one or more signal splitting circuits, each signal splitting circuit corresponding to continuous M rows of gate lines, M being not less than 2, wherein the signal splitting circuit comprises: wherein the signal splitting circuit is configured to split the original scanning signal with a width of MT into M gate driving signals with a width of a gate line turn-on time T, and output the gate driving signals to the M rows of gate lines sequentially via the output interfaces, M has a value of 2n, and n is not less than 1, the signal splitting circuit comprises a control subsystem and the signal splitting subsystem, the control subsystem includes a scanning signal input end, and n auxiliary control signal input ends, n signal output ends and n switch units which are arranged in a one-to-one correspondence manner, the scanning signal input end is connected to the original scanning signal transmission line, the n auxiliary control signal input ends are connected to different auxiliary control signal transmission lines, and the n signal output ends are connected to the signal splitting subsystem, and the control subsystem is configured to control the receipt of the original scanning signal by the signal splitting subsystem, the signal splitting subsystem includes n signal decomposition circuits, the signal decomposition circuit is configured to decompose the received original scanning signal into two signals and output them to the corresponding gate lines of the 2n rows of gate lines, each of the two signal output from the signal decomposition circuit has a width half the original scanning signal, the control subsystem includes a first switch unit, a second switch unit and a third switch unit, the first switch unit is connected to the scanning signal input end, a first auxiliary control signal input end and a first signal output end of the control subsystem, and the first signal output end is connected to the signal splitting subsystem, the second switch unit is connected to the scanning signal input end, a second auxiliary control signal input end and a second signal output end of the control subsystem, and the second signal output end is connected to the signal splitting subsystem, the third switch unit is connected to the scanning signal input end, a third auxiliary signal input end and a third signal output end of the control subsystem, and the third signal output end is connected to the signal splitting subsystem, the signal splitting subsystem includes a first signal decomposition circuit, a second signal decomposition circuit and a third signal decomposition circuit, the first signal decomposition circuit includes a fourth switch unit and a fifth switch unit, wherein the fourth switch unit is connected to the scanning signal input end of the first signal decomposition circuit, the fourth auxiliary control signal input end, and the first signal output end of the first signal decomposition circuit, the second switch unit is connected to the scanning signal input end of the first signal decomposition circuit, a fifth auxiliary control signal input end, and the second signal output end of the first signal decomposition circuit, the scanning signal input end of the first signal decomposition circuit is connected to the first signal output end of the control subsystem, the first signal output end of the first signal decomposition circuit is connected to the first gate line, and the second signal output end of the first signal decomposition circuit is connected to the second gate line, the second signal composition circuit includes a sixth switch unit and a seventh switch unit, wherein the sixth switch unit is connected to the scanning signal input end of the second signal decomposition circuit, the fourth auxiliary control signal input end, and the first signal output end of the second signal decomposition circuit, the seventh switch unit is connected to the scanning signal input end of the second signal decomposition circuit, the fifth auxiliary control signal input end, and the second signal output end of the second signal decomposition circuit, the scanning signal input end of the second signal decomposition circuit is connected to the second signal output end of the control subsystem, the first signal output end of the second signal decomposition circuit is connected to the third gate line, and the second signal output end of the second decomposition circuit is connected to the fourth gate line, and the third signal decomposition circuit includes an eighth switch unit and a ninth switch unit, wherein the eighth switch unit is connected to the scanning signal input end of the third signal decomposition circuit, the fourth auxiliary control signal input end, and the first signal output end of the third signal decomposition circuit, the ninth switch unit is connected to the scanning signal input end of the third signal decomposition circuit, the fifth auxiliary control signal input end, and the second signal output end of the third signal decomposition circuit, the scanning signal input end of the third signal decomposition circuit is connected to the third signal output end of the control subsystem, the first signal output end of the third signal decomposition circuit is connected to a fifth gate line, and the second signal output end of the third signal decomposition circuit is connected to a sixth gate line.