Array substrate, display panel and manufacturing method thereof

The invention discloses an array substrate, a display panel and a manufacturing method of the array substrate. The array substrate comprises a display area and a GOA area; the GOA area comprises a top gate type transistor, the top gate type transistor comprises a first active layer, a first gate electrode, a bridging layer and a first source and drain electrode which are arranged in sequence; the display area comprises a bottom gate type transistor, the bottom gate type transistor comprises a second gate electrode, a second active layer and a second source drain electrode which are arranged in sequence; the first gate electrode and the second gate electrode are arranged on the same layer; the first source drain electrode and the second source drain electrode are arranged on the same layer; the first source drain electrode is connected with the first active layer through the bridging layer; and the bridging layer and the second active layer are arranged on the same layer. On the basis of simplifying the techno