The present invention relates to a pixel electrode structure, comprising: at least one scanning line disposed on a substrate; at least one data line disposed on the substrate and intersecting the scanning line to define a pixel area; a pixel electrode disposed in the pixel area; an active element comprising a gate electrode, a source electrode and a drain electrode, wherein the gate electrode is electrically connected to the scanning line, the source electrode is electrically connected to the data line, and the drain electrode is electrically connected to the pixel electrode; and a shielding electrode overlapping one side of the scanning line and electrically connected to the pixel electrode with a first connecting part, wherein the shielding electrode has a jag structure, and the first connecting part is disposed at a junction between jags of the jag structure protruding in different orientations.