Light-emitting device

According to one embodiment, a light-emitting element comprises: a first electrically-conductive semiconductor layer, a second electrically-conductive semiconductor layer; and an active layer which is disposed between the first electrically-conductive layer and the second electrically-conductive lay...

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Bibliographic Details
Main Authors Han Young Hun, Choi Rak Jun, Lee Seon Ho, Song Ki Young
Format Patent
LanguageEnglish
Published 02.08.2016
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:According to one embodiment, a light-emitting element comprises: a first electrically-conductive semiconductor layer, a second electrically-conductive semiconductor layer; and an active layer which is disposed between the first electrically-conductive layer and the second electrically-conductive layer, and in which a well layer and a barrier layer are alternately laminated at least once. The active layer comprises: a first region which is disposed between a neighboring barrier layer and well layer, and linearly reduces the energy band gap; and a second region which is disposed between a neighboring well layer and barrier layer, and linearly increases the energy band gap. In the well layer, at least one first region and second region neighboring the same well layer have mutually different thicknesses.
Bibliography:Application Number: US201314406145