GOA circuit and display panel
AssigneeShenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorsTuo Feng, Xianjin Ge
Life of this patent
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Abstract
Disclosed are a GOA circuit and a display panel. The gate driver on array circuit comprises a plurality of GOA units, which is cascaded, and a nth stage GOA unit comprises: a pull-down module, pulling down a pull-up control signal and a nth stage gate drive signal to a low potential when the scanning is completed; and a pull-down maintaining module, maintaining the pull-up control signal and the nth stage gate drive signal at the low potential according to a nth stage non-inverting clock signal and a nth inverting clock signal.
Claims18
A gate driver on array GOA circuit, comprising a plurality of GOA units, which is cascaded, and a nth stage GOA unit comprises:
- a pull-up control module, outputting a pull-up control signal of a high potential according to a n−bth stage transfer signal and a n−bth stage gate drive signal when scanning starts;
- an output module, outputting a nth stage gate drive signal of the high potential according to the pull-up control signal of the high potential and a nth stage non-inverting clock signal;
- a pull-down module, pulling down the pull-up control signal outputted by the pull-up control module and the nth stage gate drive signal outputted by the output module to a low potential according to a n+bth stage gate drive signal when the scanning is completed;
- and
- a pull-down maintaining module, maintaining the pull-up control signal outputted by the pull-up control module and the nth stage gate drive signal outputted by the output module at the low potential according to the nth stage non-inverting clock signal and a nth stage inverting clock signal, wherein the nth stage non-inverting clock signal and the nth stage inverting clock signal are mutually inverted signals.
A display panel, comprising a gate driver on array GOA circuit, and the GOA circuit comprises a plurality of GOA units, which is cascaded, and a nth stage GOA unit comprises:
- a pull-up control module, outputting a pull-up control signal of a high potential according to a n−bth stage transfer signal and a n−bth stage gate drive signal when scanning starts;
- an output module, outputting a nth stage gate drive signal of the high potential according to the pull-up control signal of the high potential and a nth stage non-inverting clock signal;
- a pull-down module, pulling down the pull-up control signal outputted by the pull-up control module and the nth stage gate drive signal outputted by the output module to a low potential according to a n+bth stage gate drive signal when the scanning is completed;
- and
- a pull-down maintaining module, maintaining the pull-up control signal outputted by the pull-up control module and the nth stage gate drive signal outputted by the output module at the low potential according to the nth stage non-inverting clock signal and a nth stage inverting clock signal, wherein the nth stage non-inverting clock signal and the nth stage inverting clock signal are mutually inverted signals.
Dependencies are inferred from the claim text.