Patent ID: 7462869
Filing Date: 2008-12-09
Classification: H01L

Abstract:
1. A semiconductor light emitting device comprising: a transparent substrate having a first major surface and a second major surface, and being translucent to light in a first wavelength band; a light emitting layer selectively provided in a first portion on the first major surface of the transparent substrate and configured to emit light in the first wavelength band; a first electrode provided on the light emitting layer; and a roughened region provided in a second portion different from the first portion on the first major surface, wherein the first portion includes a center portion on the first major surface and a periphery portion distantly surrounding the center portion, part of the periphery portion being connected to the center portion, the second portion is a portion located between the center portion and the periphery portion, the light emitting layer being not provided in the second portion, and the first electrode is provided on both of the center portion and the periphery portion of the light emitting layer.