Fabrication Method of Nitride Light Emitting Diodes
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United States of America Patent
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Aug 11, 2016
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May 21, 2014
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Abstract
A fabrication method of nitride LEDs, which reduces electron leakage and efficiency droop and improves hole concentration and light emitting efficiency, the method including: (1) providing an intermediate substrate; (2) growing a P-type semiconductor layer and a first bonding layer on the intermediate substrate in sequence; (3) providing a permanent substrate; (4) growing an N-type semiconductor layer, a light emitting layer and a second bonding layer on the permanent substrate; (5) bonding the intermediate substrate with the P-type semiconductor layer and the permanent substrate with the N-type semiconductor layer and the light emitting layer through the first bonding layer and the second bonding layer.
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