| 摘要 |
A semiconductor light-emitting device has a substrate (1), a semiconductor layer (3) and a light-emitting layer (5), and the substrate is furnished on the surface thereof underlying the semiconductor layer with an irregular construction possessing inclined lateral surfaces forming an angle theta to the substrate in the range of 30°<theta<60°, to provide a light-emitting device enhanced in the effect of fetching light.
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