Array substrate, display device and method for detecting the same

An array substrate comprising a plurality of first power lines parallel to one another and a plurality of second power lines parallel to one another, which are both disposed on a substrate, wherein the first power lines cross the second power lines to define a plurality of pixel regions, wherein the first power lines and the second power lines cross one another at a plurality of intersection points, and the plurality of intersection points comprise a first intersection point where one of the first power lines is electrically connected to one of the second power lines and a second intersection point where the first power line is insulated from the second power line;

• the first intersection points are distributed at intervals such that any two adjacent ones of the first intersection points are separated by at least one of the second intersection points along each of the first power lines and/or along each of the second power lines;
• the first power lines and the second power lines are configured to transmit a same signal, wherein the plurality of first power lines are disposed in the same layer and the plurality of the second power lines are disposed in the same layer;
• an insulating pattern is disposed only at the second intersection points between the first power lines and the second power lines;
• and at anywhere other than the second intersection point where the first power line is insulated from the second power line, the first powerline and the second power line are disposed in a same layer.