An active matrix substrate (5) provided with a plurality of scan lines (G) and a plurality of data lines (Sr, Sg, Sb) arranged in a matrix, in which first, second, and third short bars (31r, 31b, 31g) are connected to the respective data lines (Sr, Sg, Sb), and, among the first, second, and third short bars, the second short bar (31b) in the middle is provided in a different layer from the first and third short bars (31r, 31g) which are positioned on the sides of the second short bar (31b).