公开(公告)号：US20190206502A1

公开(公告)日：2019-07-04

申请号：US16235560

申请日：2018-12-28

Applicant: LG Display Co., Ltd.

Inventor： Jinho LIM ,  Jonghyun YANG ,  Saerom LEE

IPC: G11C19/28 ,  G09G3/20

CPC classification number: G11C19/28 ,  G09G3/20 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2310/0286 ,  G09G2310/08

Abstract: The present disclosure provides a shift register, the register including n stages, each being configured for performing forward and reverse operations, wherein in the forward operation, a gate signal is output in a forward direction, wherein in the reverse operation, a gate signal is output in a reverse direction, wherein a n-th stage among the n stages includes: a charging unit configured for charging a Q node in a response to a reception of a forward start signal or a reverse start signal; a gate signal output unit configured for outputting a gate signal in a response to the Q node being charged by the charging unit; and a discharging unit configured for discharging the Q node after the output unit has outputted the gate signal, wherein the charging unit includes a dummy transistor and a reverse start transistor, both being connected to the Q node.