Species pixel unit array substrate, a display device and a driving method of a pixel

The present invention discloses a kind of a pixel unit including: a pixel electrode, a gate, and a gate connected to the gate line, a source electrode, a data line connected to the source; further comprising: a pixel electrode provided with the second layer electrode, a drain electrode connected to the pixel electrode and a second drain coupled to the second electrode; a second drain, the second drain electrode and the source channel is provided between, and said second drain electrode is not in contact with the second drain electrode; wherein a direction of the data line, the second edge of the electrode parallel to the edge of the pixel electrode, and the two are not in contact. The present invention also discloses a seed array substrate, a pixel driving method and a display apparatus, the present invention overcomes the prior pixel unit by reducing the width of the black matrix results in an edge light leakage.