Shift register, driving method thereof and flat panel display device

摘要

A shift register includes a plurality of stages each having a pull-up transistor, a pull-down transistor and a flip-flop, the plurality of stages outputting high level output voltages sequentially for one horizontal period in response to at least one clock signal and a start signal, and an AH control circuit connected to input terminals and output terminals of the plurality of stages to control output signals of all the stages into a high level for one frame.

主权项

1. A shift register comprising:
a plurality of stages each having a pull-up transistor, a pull-down transistor and a flip-flop, wherein the plurality of stages output high level output voltages sequentially for one horizontal period in response to at least one clock signal and a start signal; and an AH control circuit connected to input terminals and output terminals of the plurality of stages to control an output signal of every stage into a high level for one frame, wherein the AH Control circuit comprises: first floating elements to determine an output terminal of the flip-flop in response to a first floating signal; second floating elements to determine an input terminal into the flip-flop in response to a second floating signal; and AH elements to control the output terminals of the plurality of stages all into a high level for one frame in response to an AH start signal and an AH clock signal.