Invention Grant
- Patent Title: Light emitting element and method of manufacturing light emitting element
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Application No.: US17330052Application Date: 2021-05-25
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Publication No.: US11888089B2Publication Date: 2024-01-30
- Inventor: Hiroki Kondo
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan
- Agency: Foley & Lardner LLP
- Priority: JP 20091976 2020.05.27 JP 20200405 2020.12.02
- Main IPC: H01L33/00
- IPC: H01L33/00 ; H01L33/06 ; H01L33/32

Abstract:
A light emitting element includes an n-side nitride semiconductor layer; an active layer disposed on the n-side nitride semiconductor layer and including a plurality of nitride semiconductor well layers and a plurality of nitride semiconductor barrier layers, the active layer being configured to emit ultraviolet light; and a p-side nitride semiconductor layer disposed on the active layer. At least one of the plurality of barrier layers including, successively from the n-side nitride semiconductor layer side, a first barrier layer containing Al and Ga, and a second barrier layer disposed in contact with the first barrier layer, containing Al, Ga, and In, and having a smaller band gap energy than the first barrier layer. At least one of the plurality of well layers is disposed in contact with a second barrier layer and has a smaller band gap energy than the second barrier layer.
Public/Granted literature
- US20210376191A1 LIGHT EMITTING ELEMENT AND METHOD OF MANUFACTURING LIGHT EMITTING ELEMENT Public/Granted day:2021-12-02
Information query
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