Semiconductor light emitting device

Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal – Mesa formation

Reexamination Certificate

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C438S022000, C438S039000, C438S041000, C257SE21121

Reexamination Certificate

active

07745245

ABSTRACT:
At least one recess and/or protruding portion is created on the surface portion of a substrate for scattering or diffracting light generated in a light emitting region. The recess and/or protruding portion has a shape that prevents crystal defects from occurring in semiconductor layers.

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