THIN FILM TRANSISTOR SUBSTRATE AND DISPLAY DEVICE INCLUDING THE SAME

Disclosed are a thin film transistor substrate and a display device including the same, the thin film transistor substrate including: a substrate; a first thin film transistor disposed on the substrate and including a first active layer and a first gate; a second thin film transistor disposed on the substrate and including a second active layer and a second gate disposed over the first active layer and the first gate; a first insulating layer disposed between the first gate and the second active layer; and a first connection electrode connecting the first active layer and the second active layer, in which the first connection electrode extends through a first contact hole provided in the first insulating layer and is provided in contact with each of the first active layer and the second active layer. 公开了一种薄膜晶体管基板和包括该薄膜晶体管基板的显示设备，该薄膜晶体管基板包括：基板；第一薄膜晶体管，其设置在基板上并包括第一有源层和第一栅极；第二薄膜晶体管，其设置在基板上并包括设置在第一有源层和第一栅极上方的第二有源层和第二栅极；第一绝缘层，其设置在第一栅极与第二有源层之间；以及第一连接电极，其将第一有源层和第二有源层连接，其中，第一连接电极通过设置在第一绝缘层中的第一接触孔延伸并设置成与第一有源层和第二有源层中的每