JP4879563B2 - Iii族窒化物半導体発光装置 - Google Patents
Iii族窒化物半導体発光装置 Download PDFInfo
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- JP4879563B2 JP4879563B2 JP2005331722A JP2005331722A JP4879563B2 JP 4879563 B2 JP4879563 B2 JP 4879563B2 JP 2005331722 A JP2005331722 A JP 2005331722A JP 2005331722 A JP2005331722 A JP 2005331722A JP 4879563 B2 JP4879563 B2 JP 4879563B2
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- Prior art keywords
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- nitride semiconductor
- group iii
- intermediate layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/323—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/32308—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm
- H01S5/32341—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm blue laser based on GaN or GaP
Description
本発明の実施形態に係る半導体発光装置を図1を参照しながら説明する。
本実施形態の半導体レーザ装置の製造方法を以下に説明する。
2 n型コンタクト層
3 n型クラッド層
4 n側光ガイド層
5 MQW活性層
6 p側光ガイド層
7 中間層
8 電子ブロック層
9 p型クラッド層
10 p型コンタクト層
11、50、60 絶縁膜
12 p側電極
13 n側電極
Claims (4)
- 基板と、
前記基板上に設けられ、n型不純物を含むIII族窒化物半導体からなり、n型クラッド層を有するn型窒化物半導体層と、
前記n型窒化物半導体層上に設けられ、前記n型クラッド層よりもバンドギャップエネルギーが小さく、光を生成する活性層と、
前記活性層の上または上方に設けられ、アンドープAlxGa1−x−yInyN(0<x<1、0<y<1、x+y<1)からなる中間層と、
前記中間層の上に接して設けられ、前記中間層よりも電子親和力が小さいp型III族窒化物半導体からなる電子ブロック層と、
前記電子ブロック層の上に設けられ、p型不純物を含むIII族窒化物半導体からなり、前記活性層よりもバンドギャップエネルギーが大きいp型クラッド層を有するp型窒化物半導体層とを備え、
Δa0(前記中間層のa軸方向の格子緩和状態での格子定数と、前記電子ブロック層のa軸方向の格子緩和状態の格子定数との差を前記電子ブロック層の格子緩和状態での格子定数で割った値に100を乗じたもの)が0.4%以下であることを特徴とするIII族窒化物半導体発光装置。 - 前記電子ブロック層はAlxbGa1−xbN(0≦xb≦1)からなることを特徴とする請求項1に記載のIII族窒化物半導体発光装置。
- 前記中間層のバンドギャップエネルギーEgが、Eg≧3.2eVを満たすことを特徴とする請求項1または2に記載のIII族窒化物半導体発光装置。
- 前記中間層の電子親和力χがχ≧3.35eVを満たすことを特徴とする請求項1〜3のうちいずれか1つに記載のIII族窒化物半導体発光装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005331722A JP4879563B2 (ja) | 2005-11-16 | 2005-11-16 | Iii族窒化物半導体発光装置 |
CN200610146401.3A CN1967954A (zh) | 2005-11-16 | 2006-11-13 | Iii族氮化物半导体发光装置 |
US11/600,106 US7709848B2 (en) | 2005-11-16 | 2006-11-16 | Group III nitride semiconductor light emitting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005331722A JP4879563B2 (ja) | 2005-11-16 | 2005-11-16 | Iii族窒化物半導体発光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007142038A JP2007142038A (ja) | 2007-06-07 |
JP4879563B2 true JP4879563B2 (ja) | 2012-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005331722A Expired - Fee Related JP4879563B2 (ja) | 2005-11-16 | 2005-11-16 | Iii族窒化物半導体発光装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7709848B2 (ja) |
JP (1) | JP4879563B2 (ja) |
CN (1) | CN1967954A (ja) |
Cited By (1)
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US9755107B2 (en) | 2015-09-29 | 2017-09-05 | Toyoda Gosei Co., Ltd. | Group III nitride semiconductor light-emitting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9755107B2 (en) | 2015-09-29 | 2017-09-05 | Toyoda Gosei Co., Ltd. | Group III nitride semiconductor light-emitting device |
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US20070110112A1 (en) | 2007-05-17 |
US7709848B2 (en) | 2010-05-04 |
JP2007142038A (ja) | 2007-06-07 |
CN1967954A (zh) | 2007-05-23 |
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