Patent ID: 9196633
Filing Date: 2015-11-24
Classification: G02F,H01L

Abstract:
1. A display device comprising: a first wiring connected to a pixel portion, the first wiring including a first portion, a second portion and a third portion; a common wiring; and a protective circuit comprising a first thin film transistor and a second thin film transistor, wherein the first thin film transistor includes: wherein the second thin film transistor includes: wherein the second gate electrode is electrically connected to the common wiring through a second transparent conductive layer, wherein the third conductive layer is directly connected to the first wiring, wherein the fourth conductive layer is directly connected to the common wiring, wherein the first portion overlaps with the common wiring, wherein the third portion is closer to the pixel portion than the first portion and the second portion, wherein a first distance between edges of the first portion is narrower than a second distance between edges of the second portion, and wherein a direction of the first distance is parallel to a direction of the second distance.