Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Isamu Niki0
Shuji Shioji0
Motokazu Yamada0
Masahiko Sano0
Date of Patent
December 22, 2009
Patent Application Number
12022769
Date Filed
January 30, 2008
Patent Primary Examiner
Patent 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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