Patent ID: 9472155
Filing Date: 2016-10-18
CPC Classification: G09G,G11C

Claim Text:
1. A gate driver basing on IGZO process, comprising: GOAs in cascade connection comprising a N a pull-up part having a first transistor, wherein a gate of the first transistor electrically connects a first node, a source of the first transistor electrically connects a first clock signal, a drain of first transistor electrically connects an output terminal, wherein the first transistor is used for outputting signals on the output terminal according to the first clock signal; a transfer part having a second transistor, wherein a gate of the second transistor electrically connects the first node, a source of the second transistor electrically connects the first clock signal, a drain of the second transistor electrically connects a driving signal terminal, wherein the second transistor is used for outputting the diving signal from the driving signal terminal according to the first clock signal; a pull-up control part having a third transistor, wherein a gate of the third transistor electrically connects the driving signal terminal of a N−1 a pull-down holding part having a first pull-down holding circuit, the first pull-down holding circuit further comprising a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, a eighth transistor, a ninth transistor, and a tenth transistor; wherein a gate of the fourth transistor electrically connects the first clock signal, a source of the fourth transistor electrically also connects the first clock signal, a drain of fourth transistor electrically connects a second node, a gate of the fifth transistor electrically connects the driving signal terminal, a source of the fifth transistor electrically connects the second node, a drain of the fifth transistor electrically connects a second negative supply, a gate of the sixth transistor electrically connects the driving signal terminal of the N−1 a pull-down part having a thirteenth transistor and a fifteenth transistor, wherein a gate of the thirteenth transistor electrically connects a driving signal terminal of the N+1 a boost part having a capacitor, wherein the capacitor electrically connects the first node and the output terminal, wherein the boost part is used for pulling up the electrical potential of the first node again to make sure the outputting terminal of the pull-up part output normally; and channels of the TFT switches of the gate driver basing on the IGZO process are oxide semiconductor channels.