LIGHT-EMITTING DEVICE
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Feb 26, 2014
filing date -
Feb 26, 2014
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Abstract
A light-emitting element comprises a light-emitting stacked structure. The light-emitting stacked structure comprises a first type semiconductor layer; an active layer on the first type semiconductor layer; a second type semiconductor layer on the active layer; and a superlattice structure between the active layer and the second type semiconductor layer, comprising a first doped nitride layer and a first undoped nitride layer on the first doped nitride layer.
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