Patent ID: 8742424
Filing Date: 2014-06-03
Classification: G09G,G11C,H01L

Abstract:
1. A shift register, comprising: cascade-connected unit circuits, each of which includes a thin-film transistor which includes a source electrode, a drain electrode, and a gate electrode, wherein the thin-film transistor is a bottom gate thin-film transistor which includes a comb-shaped source/drain structure, the source electrode includes a source trunk portion and a plurality of source branch portions which are branched from the source trunk portion and which correspond to teeth of a comb, the drain electrode includes a drain trunk portion and a plurality of drain branch portions which are branched from the drain trunk portion and which correspond to teeth of a comb, the source electrode and the drain electrode face each other, the plurality of source branch portions and the plurality of drain branch portions are alternatingly arranged, the gate electrode is provided with at least one of a cut and an opening in at least one of a region overlapping with the source electrode and a region overlapping with the drain electrode, and the at least one of the cut and the opening faces at least one of the plurality of source branch portions and the plurality of drain branch portions.