Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukio Shakuda0
Date of Patent
March 1, 2011
0Patent Application Number
125791300
Date Filed
October 14, 2009
0Patent Primary Examiner
Patent abstract
A semiconductor light emitting device of double hetero junction includes an active layer and clad layers. The clad layers include an n-type layer and p-type layer. The clad layers sandwich the active layer. A band gap energy of the clad layers is larger than that of the active layer. The band gap energy of the n-type clad layer is smaller than of the p-type clad layer.
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