Patent ID: 11908373
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A display driving circuit, comprising:
a plurality of driving units, each of the driving units comprises a plurality of stages of sub driving units;
wherein each of the driving units is electrically connected to one of independent triggering units, the sub driving units in each of the driving units are electrically connected stage by stage, and each of the triggering units is configured to activate one of the driving units to provide signals to a display device;
wherein each of the sub driving units comprises:
a pull-up control unit electrically connected to a first clock signal input terminal, a first cascade signal input terminal, and a first node and configured to transmit signals input by the first cascade signal input terminal to the first node under control of signals input by the first clock signal input terminal;
a pull-up unit electrically connected to the first node, a second clock signal input terminal, and a second node and configured to transmit signals input by the second clock signal input terminal to the second node under control of signals of the first node, wherein the second node is electrically connected to a cascade signal output terminal;
a pull-down unit electrically connected to the second node, a third node, and a second low-voltage signal input terminal and configured to transmit signals input by the second low-voltage signal input terminal to the second node under control of signals of the third node;
a pull-down control unit electrically connected to the first node, a second cascade signal input terminal, and a first low-voltage signal input terminal and configured to transmit signals input by the first low-voltage signal input terminal to the first node under control of signals input by the second cascade signal input terminal; and
a pull-down maintaining unit electrically connected to the first node, the third node, a high-voltage signal input terminal, and the first low-voltage signal input terminal and configured to transmit signals input by the first low-voltage signal input terminal or signals input by the high-voltage signal input terminal to the third node under the control of the signals of the first node.