METHOD FOR MANUFACTURING DISPLAY DEVICE AND DISPLAY DEVICE

The present invention provides a method for manufacturing a display device capable of easily and reliably repairing a pixel circuit by converting the pixel circuit to a dark spot, and a display device. A repair wire REP, which supplies an off potential for turning a driving transistor T4 to an off state, is superimposed onto an impurity region DSI of a semiconductor layer SI interposed between a first compensation transistor T21 and a second compensation transistor T22 that have dual-gate structures. The impurity region DSI and the repair wire REP are connected by irradiating the impurity region DSI with laser light. Next, the potential of a node N is set to the same potential as an OFF potential by turning the second compensation transistor T22 to an ON state, and thus the driving transistor T4 is turned to a normally-off state. This makes it possible to convert the pixel circuit 11 to a dark spot and repair the same. 提供一种能够通过容易且可靠地使像素电路黑点化而进行修复的显示装置的制造方法以及显示装置。形成为在被双栅极结构的第一补偿晶体管(T21)和第二补偿晶体管(T22)夹持的半导体层(SI)