A display device includes a display panel having a plurality of pixels arranged in a matrix, a printed circuit board connected to the display panel, and a first drive circuit and a second drive circuit mounted on the display panel or the printed circuit board, in which each of the first drive circuit and the second drive circuit includes a gray scale voltage generating circuit generating a gray scale voltage to be applied to a first electrode of the pixel based on a gray scale reference voltage and a reference gray scale voltage circuit generating the gray scale reference voltage, and each of the gray scale voltage generating circuit of the first drive circuit and the gray scale voltage generating circuit of the second drive circuit generates the gray scale voltage based on the gray scale reference voltage generated in the reference gray scale voltage circuit of the first drive circuit.