A pixel structure, comprising: a substrate; a scan line and a first data line disposed on the substrate; and a first pixel unit, wherein the first pixel unit includes: a first active device electrically connected to the scan line and the first data line; and a first pixel electrode electrically connected to the first active device, wherein the first pixel electrode has a first stripe pattern substantially parallel to the scan line and a plurality of first branches electrically connected to the first stripe pattern, characterized in that the first pixel electrode further comprises a first trunk portion and a second trunk portion, and the first trunk portion is parallel to the first data line, and wherein the first pixel unit further comprises a storage capacitor structure and the storage capacitor structure comprises: a bottom capacitor electrode; and an upper capacitor electrode configured over the bottom capacitor electrode, wherein the upper capacitor electrode is in the same layer as the first pixel electrode, and the first trunk portion is disposed in a separate area from the storage capacitor structure, and the upper capacitor electrode is connected to the first pixel electrode through one of the first branches near the first data line. a substrate; a scan line and a first data line disposed on the substrate; and a first pixel unit, wherein the first pixel unit includes: a first active device electrically connected to the scan line and the first data line; and a first pixel electrode electrically connected to the first active device, wherein the first pixel electrode has a first stripe pattern substantially parallel to the scan line and a plurality of first branches electrically connected to the first stripe pattern, characterized in that a first active device electrically connected to the scan line and the first data line; and a first pixel electrode electrically connected to the first active device, wherein the first pixel electrode has a first stripe pattern substantially parallel to the scan line and a plurality of first branches electrically connected to the first stripe pattern, characterized in that the first pixel electrode further comprises a first trunk portion and a second trunk portion, and the first trunk portion is parallel to the first data line, and wherein the first pixel unit further comprises a storage capacitor structure and the storage capacitor structure comprises: a bottom capacitor electrode; and an upper capacitor electrode configured over the bottom capacitor electrode, wherein the upper capacitor electrode is in the same layer as the first pixel electrode, and the first trunk portion is disposed in a separate area from the storage capacitor structure, and the upper capacitor electrode is connected to the first pixel electrode through one of the first branches near the first data line. a bottom capacitor electrode; and an upper capacitor electrode configured over the bottom capacitor electrode, wherein the upper capacitor electrode is in the same layer as the first pixel electrode, and the first trunk portion is disposed in a separate area from the storage capacitor structure, and the upper capacitor electrode is connected to the first pixel electrode through one of the first branches near the first data line.