Patent ID: 8823039

Claim:
A light-emitting device comprising: a light-emitting stack having an upper side, a first edge having an end point, and a second edge opposite to the first edge; a first bonding region arranged on the upper side, near the first edge, and far from the end point; a second bonding region separated from to the first bonding region by a first distance and being far from the end point; a third bonding region arranged on the upper side; a fourth bonding region separated from the third bonding region by a second distance longer than the first distance; a first electrode connected to the first bonding region; a second electrode connected to the second bonding region; a third electrode connected to the third bonding region; and a fourth electrode connected to the fourth bonding region and having a spiral shape different from that of the third electrode; and a fifth electrode connected to the first bonding region and pointing to the fourth bonding region.