Patent ID: 8269939

Claim:
An active device array substrate, comprising: a substrate comprising an active area and a peripheral area surrounding the active area; a plurality of pixel units, disposed in the active area on the substrate; a plurality of first switching devices, disposed in the peripheral area; a plurality of second switching devices, disposed in the peripheral area; a plurality of first signal lines, disposed in the active area and extending outwardly into the peripheral area, wherein one ends of two neighbouring first signal lines in the peripheral area are respectively connected to a first test line and a second test line through two of the second switching devices, and other ends of two neighbouring first signal lines are both connected to one of the first switching devices; a first connecting wire, disposed in the peripheral area and electrically connected to the first switching devices; a plurality of second signal lines, disposed in the active area and extending outwardly into the peripheral area, wherein the first signal lines and the second signal lines are respectively electrically connected to the corresponding pixel units, and one ends of two neighbouring second signal lines are respectively connected to a third test line and a fourth test line through two of the second switching devices; and a bus line, electrically connected to the second switching devices, and transmitting a signal to turn on each of the second switching devices.