Driving circuit of display panel and display device
AssigneeTcl China Star Optoelectronics Technology Co., Ltd.
InventorYi Liu
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a driving circuit of a display panel and a display device. The driving circuit includes a gate-on-array (GOA) circuit transmitting a scan driving signal to the display panel through a corresponding gate signal line, and further includes a pull-down module and a control bus. The pull-down module is activated at a falling edge of a gate driving signal to accelerate a potential descent speed of the pull-down module, thereby increasing a charging time of a thin film transistor and realizing a narrow-frame display panel.
Claims18
A driving circuit of a display panel, comprising:
- a gate-on-array (GOA) circuit comprising a GOA unit connected to one end of a gate signal line to transmit a scan driving signal to the display panel;
- and
- a pull-down module, wherein one end of the pull-down module is connected to a control bus, the other end of the pull-down module is connected to the other end of the gate signal line, and the pull-down module is activated at a falling edge time of the scan driving signal to accelerate a potential descending speed of the scan driving signal;
- wherein the driving circuit of the display panel further comprises a timing controller, the control bus is connected to the timing controller and the pull-down module, and the control bus comprises a plurality of clock signal lines and power supply voltage signal lines, and two adjacent signal lines are arranged at equal intervals.
A driving circuit of a display panel, comprising:
- a gate-on-array (GOA) circuit comprising a GOA unit connected to one end of a gate signal line to transmit a scan driving signal to the display panel;
- and
- a pull-down module, wherein one end of the pull-down module is connected to a control bus, the other end of the pull-down module is connected to the other end of the gate signal line, and the pull-down module is activated at a falling edge time of the scan driving signal to accelerate a potential descending speed of the scan driving signal,
- wherein the driving circuit of the display panel further comprises a timing controller, and the control bus is connected to the timing controller and the pull-down module.
A display device comprising a driving circuit of a display panel, wherein the driving circuit comprises:
- a gate-on-array (GOA) circuit comprising a GOA unit connected to one end of a gate signal line to transmit a scan driving signal to the display panel;
- and
- a pull-down module, wherein one end of the pull-down module is connected to a control bus, the other end of the pull-down module is connected to the other end of the gate signal line, and the pull-down module is activated at a falling edge time of the scan driving signal to accelerate a potential descending speed of the scan driving signal,
- wherein the driving circuit of the display panel further comprises a timing controller, and the control bus is connected to the timing controller and the pull-down module.
Dependencies are inferred from the claim text.