Patent ID: 9130127
Filing Date: 2015-09-08
Classification: H01L

Abstract:
1. A semiconductor light emitting device comprising: a stacked structure body comprising: a first electrode comprising a first contact part contacting another part of the first semiconductor layer on a side of the second major surface, a second electrode comprising a second contact part contacting the second semiconductor layer on the second major surface; and a dielectric layer; wherein the first major surface has a first surface part and a second surface part, the first surface part being flat and overlapping an entirety of the first contact part when viewed in the stacking direction, the second surface part overlaps the second semiconductor layer when viewed in the stacking direction, the second surface part having has an irregularity, including a plurality of protrusions, wherein a maximum width of a protrusion in a direction perpendicular to the stacking direction is longer than a peak wavelength of light emitted from the light emitting layer, and wherein the first surface part reflects the light according to geometrical optics, and wherein the dielectric layer directly contacts all of the first surface part and does not directly contact the second surface part.