Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yi-Chieh Lin0
Hung-Ta Cheng0
Shih-Chang Lee0
Wen-Luh Liao0
Chih-Chiang Lu0
Hsin-Chan Chung0
Date of Patent
October 22, 2019
0Patent Application Number
156863310
Date Filed
August 25, 2017
0Patent Primary Examiner
Patent abstract
The present disclosure provides a light-emitting device and manufacturing method thereof. The light-emitting device comprising: a light-emitting stack; and a semiconductor layer having a first surface connecting to the light-emitting stack, a second surface opposite to the first surface, and a void; wherein the void comprises a bottom part near the first surface and an opening on the second surface, and a dimension of the bottom part is larger than the dimension of the opening.
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