Patent ID: 8395744

Claim:
A display device comprising: an active matrix substrate including scanning lines and signal lines arranged in a matrix, and a pixel region including an actual pixel region including effective pixels arranged to perform a display in accordance with a data signal supplied by the signal lines, and a dummy pixel region positioned at the panel end side as compared to the actual pixel region, the dummy pixel region including at least one dummy pixel with a dummy pixel electrode; a counter substrate; a bus line drive circuit that is arranged on one side of the active matrix substrate and outside the pixel region and to supply a scanning signal and a data signal to the scanning lines and the signal lines, respectively; and a common drive circuit arranged to generate a common signal to be supplied to a common electrode of the counter substrate; wherein the active matrix substrate includes: an auxiliary capacitor that is arranged in the pixel region; an auxiliary capacity wiring that is arranged in the pixel region and that is electrically connected to the auxiliary capacitor; a common transfer that is provided on a side facing the side of the active matrix substrate on which the bus line drive circuit is arranged and to supply the common signal to the common electrode of the counter substrate; and a common wiring arranged to supply the common signal to the common transfer; at least one portion of the common wiring is arranged in the dummy pixel region of the pixel region such that a portion of the common wiring is arranged to overlap the dummy pixel electrode of the at least one dummy pixel and no portion of the common wiring is arranged in the actual pixel region to overlap any of the effective pixels; the dummy pixel region further includes a dummy scanning line that is parallel or substantially parallel to the scanning lines and the dummy pixel, which is connected to the dummy scanning line and which does not contribute to performing the display; and the at least one portion of the common wiring that is arranged in the dummy pixel region has a width that is larger than a width of the auxiliary capacity wiring.