An optoelectronic device comprises a semiconductor stack comprising a first semiconductor layer, an active layer and a second semiconductor layer, a first electrode electrically connecting with the first semiconductor layer, a second electrode electrically connecting with the second semiconductor layer, wherein there is a smallest distance D1 between the first electrode and the second electrode, a third electrode formed on a portion of the first electrode and electrically connecting with the first electrode and a fourth electrode formed on a portion of the first electrode and on a portion of the second electrode, and electrically connecting with the second electrode, wherein there is a smallest distance D2 between the third electrode and the fourth electrode, and the smallest distance D2 is smaller than the smallest distance D1.