Patent ID: 7825421
Filing Date: 2010-11-02
Classification: H01L

Abstract:
1. A semiconductor light emitting device comprising: a substrate having a main surface comprising (i) a mount area that is rectangular and (ii) a pad area having a pad for wire bonding; and an element that emits light mounted on the mount area of the substrate, wherein the pad area is contiguous to the mount area on only one side of the mount area, the pad area decreases in width continuously or stepwise in a direction away from the one side, an outline of the pad area includes one or more bent portions and/or one or more arc portions that protrude only in the direction away from the one side, the one side is at a boundary between the mount area and the pad area, and an outline of an entirety of the mount area and the pad area combined together coincides with an outline of the substrate from a plan view of the substrate.