SEMICONDUCTOR LIGHT-EMITTING DEVICE
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Nov 16, 2015
filing date -
Dec 23, 2014
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Abstract
A semiconductor light-emitting device including a first type doped semiconductor layer, a second type doped semiconductor layer, a light-emitting layer, and a contact layer is provided. The light-emitting layer is disposed between the first type doped semiconductor layer and the second type doped semiconductor layer. The contact layer is disposed on the second type doped semiconductor layer. The second type doped semiconductor layer is disposed between the contact layer and the light-emitting layer. Dopants in the contact layer include a group IVA element and a group IIA element. The group IVA element is an electron donor. The group IIA element is an electron acceptor. The doping concentration of the group IVA element is greater than or equal to 1020 atoms/cm3, and the doping concentration of the group IIA element is greater than or equal to 1020 atoms/cm3.
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