JP2012004501A - 紫外半導体発光素子 - Google Patents
紫外半導体発光素子 Download PDFInfo
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- JP2012004501A JP2012004501A JP2010140907A JP2010140907A JP2012004501A JP 2012004501 A JP2012004501 A JP 2012004501A JP 2010140907 A JP2010140907 A JP 2010140907A JP 2010140907 A JP2010140907 A JP 2010140907A JP 2012004501 A JP2012004501 A JP 2012004501A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/814—Bodies having reflecting means, e.g. semiconductor Bragg reflectors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting means
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/83—Electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
- H10H20/841—Reflective coatings, e.g. dielectric Bragg reflectors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/83—Electrodes
- H10H20/831—Electrodes characterised by their shape
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Abstract
【解決手段】n形窒化物半導体層3とp形窒化物半導体層5との間に発光層4を有するとともに、n形窒化物半導体層3に接触するn電極6と、p形窒化物半導体層5に接触するp電極7とを有し、p形窒化物半導体層5が、発光層4よりもバンドギャップが小さくp電極7との接触がオーミック接触となるp形コンタクト層5bを備えている。p形窒化物半導体層5における発光層4とは反対側の表面に、p電極7の形成領域を避けて凹部8が形成され、凹部8の内底面8aに、発光層4から放射される紫外光を反射する反射膜9が形成されている。
【選択図】図1
Description
以下、本実施形態の紫外半導体発光素子について図1を参照しながら説明する。
本実施形態の紫外半導体発光素子の基本構成は実施形態1と略同じであり、実施形態1ではメサ構造を設けていたのに対し、図2に示すように、実施形態1において説明した基板1(図1参照)がなく、n形窒化物半導体層3における発光層4側とは反対側の表面に、n電極6を形成してある点などが相違する。すなわち、本実施形態の紫外半導体発光素子は、いわゆる縦型注入構造となっている。なお、実施形態1と同様の構成要素には同一の符号を付して説明を省略する。
本実施形態の紫外半導体発光素子の基本構成は実施形態1と略同じであり、図3に示すように、反射膜9がp電極7上にまで延設されている点などが相違する。なお、実施形態1と同様の構成要素には同一の符号を付して説明を省略する。
3 n形窒化物半導体層
4 発光層
5 p形窒化物半導体層
5a p形クラッド層
5b p形コンタクト層
6 n電極
7 p電極
8 凹部
8a 内底面
9 反射膜
Claims (4)
- n形窒化物半導体層とp形窒化物半導体層との間に発光層を有するとともに、前記n形窒化物半導体層に接触するn電極と、前記p形窒化物半導体層に接触するp電極とを有し、前記p形窒化物半導体層が、前記発光層よりもバンドギャップが小さく前記p電極との接触がオーミック接触となるp形コンタクト層を少なくとも備えた紫外半導体発光素子であって、前記p形窒化物半導体層における前記発光層とは反対側の表面に、前記p電極の形成領域を避けて凹部が形成され、前記凹部の内底面に、前記発光層から放射される紫外光を反射する反射膜が形成されてなることを特徴とする紫外半導体発光素子。
- 前記p形窒化物半導体層は、前記凹部が複数形成されてなることを特徴とする請求項1記載の紫外半導体発光素子。
- 前記p形窒化物半導体層は、前記p電極側から順に、前記p形コンタクト層、前記p形コンタクト層よりもバンドギャップが大きなp形クラッド層、を有することを特徴とする請求項1または請求項2記載の紫外半導体発光素子。
- 前記反射膜は、前記p電極上まで延設されてなることを特徴とする請求項1ないし請求項3のいずれか1項に記載の紫外半導体発光素子。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010140907A JP5849215B2 (ja) | 2010-06-21 | 2010-06-21 | 紫外半導体発光素子 |
| CN201180029764.8A CN102947955B (zh) | 2010-06-21 | 2011-06-17 | 紫外半导体发光元件 |
| KR1020127031106A KR20130009858A (ko) | 2010-06-21 | 2011-06-17 | 자외 반도체 발광 소자 |
| PCT/JP2011/063931 WO2011162180A1 (ja) | 2010-06-21 | 2011-06-17 | 紫外半導体発光素子 |
| EP11798064.9A EP2584616A4 (en) | 2010-06-21 | 2011-06-17 | SEMICONDUCTOR ULTRAVIOLET ELECTROLUMINESCENT ELEMENT |
| US13/704,679 US9070847B2 (en) | 2010-06-21 | 2011-06-17 | Ultraviolet semiconductor light-emitting element that emits ultraviolet light from one surface side |
| TW100121438A TWI455359B (zh) | 2010-06-21 | 2011-06-20 | 紫外線半導體發光元件 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010140907A JP5849215B2 (ja) | 2010-06-21 | 2010-06-21 | 紫外半導体発光素子 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014243635A Division JP2015043468A (ja) | 2014-12-02 | 2014-12-02 | 紫外半導体発光素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012004501A true JP2012004501A (ja) | 2012-01-05 |
| JP5849215B2 JP5849215B2 (ja) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010140907A Active JP5849215B2 (ja) | 2010-06-21 | 2010-06-21 | 紫外半導体発光素子 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9070847B2 (ja) |
| EP (1) | EP2584616A4 (ja) |
| JP (1) | JP5849215B2 (ja) |
| KR (1) | KR20130009858A (ja) |
| CN (1) | CN102947955B (ja) |
| TW (1) | TWI455359B (ja) |
| WO (1) | WO2011162180A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2704218A1 (en) * | 2012-08-27 | 2014-03-05 | LG Innotek Co., Ltd. | Semiconductor light emitting device with a nitride semiconductor contact layer |
| JP2015005534A (ja) * | 2013-06-18 | 2015-01-08 | 学校法人立命館 | 縦型発光ダイオードおよび結晶成長方法 |
| JP2015076617A (ja) * | 2013-10-08 | 2015-04-20 | エルジー イノテック カンパニー リミテッド | 発光素子、それを含む発光素子パッケージ及びパッケージを含む照明装置 |
| WO2016099061A1 (en) * | 2014-12-19 | 2016-06-23 | Seoul Viosys Co., Ltd. | Semiconductor light emitting device and method of manufacturing the same |
| KR20160110587A (ko) * | 2015-03-09 | 2016-09-22 | 서울바이오시스 주식회사 | 반도체 발광소자 |
| JP2018006535A (ja) * | 2016-06-30 | 2018-01-11 | ウシオ電機株式会社 | 半導体発光素子 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5995302B2 (ja) | 2011-07-05 | 2016-09-21 | パナソニック株式会社 | 窒化物半導体発光素子の製造方法 |
| WO2013061574A1 (ja) | 2011-10-28 | 2013-05-02 | パナソニック株式会社 | 薄膜半導体装置 |
| JP5988568B2 (ja) * | 2011-11-14 | 2016-09-07 | Dowaエレクトロニクス株式会社 | 半導体発光素子およびその製造方法 |
| JP6008284B2 (ja) * | 2012-09-14 | 2016-10-19 | パナソニックIpマネジメント株式会社 | 半導体紫外発光素子 |
| KR102027301B1 (ko) | 2012-12-14 | 2019-10-01 | 서울바이오시스 주식회사 | 광추출 효율이 향상된 발광다이오드 |
| CN104659176B (zh) * | 2013-11-22 | 2018-11-16 | 晶元光电股份有限公司 | 半导体发光元件 |
| TWI574433B (zh) * | 2015-02-09 | 2017-03-11 | High-energy non-visible light-emitting diodes with safety instructions | |
| US9812611B2 (en) * | 2015-04-03 | 2017-11-07 | Soko Kagaku Co., Ltd. | Nitride semiconductor ultraviolet light-emitting element and nitride semiconductor ultraviolet light-emitting device |
| CN106129208A (zh) * | 2016-07-07 | 2016-11-16 | 南京大学 | 紫外发光二极管芯片及其制造方法 |
| KR102550005B1 (ko) * | 2016-07-15 | 2023-07-03 | 서울바이오시스 주식회사 | 자외선 발광 다이오드 |
| KR102524809B1 (ko) | 2017-12-19 | 2023-04-24 | 삼성전자주식회사 | 자외선 반도체 발광소자 |
| CN111446337B (zh) | 2019-01-16 | 2021-08-10 | 隆达电子股份有限公司 | 发光二极管结构 |
| JP7469150B2 (ja) * | 2020-06-18 | 2024-04-16 | 豊田合成株式会社 | 発光素子 |
| JP7544004B2 (ja) * | 2021-08-30 | 2024-09-03 | 豊田合成株式会社 | 発光素子 |
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- 2011-06-17 WO PCT/JP2011/063931 patent/WO2011162180A1/ja not_active Ceased
- 2011-06-17 EP EP11798064.9A patent/EP2584616A4/en not_active Withdrawn
- 2011-06-17 CN CN201180029764.8A patent/CN102947955B/zh active Active
- 2011-06-17 KR KR1020127031106A patent/KR20130009858A/ko not_active Ceased
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2704218A1 (en) * | 2012-08-27 | 2014-03-05 | LG Innotek Co., Ltd. | Semiconductor light emitting device with a nitride semiconductor contact layer |
| JP2015005534A (ja) * | 2013-06-18 | 2015-01-08 | 学校法人立命館 | 縦型発光ダイオードおよび結晶成長方法 |
| JP2015076617A (ja) * | 2013-10-08 | 2015-04-20 | エルジー イノテック カンパニー リミテッド | 発光素子、それを含む発光素子パッケージ及びパッケージを含む照明装置 |
| WO2016099061A1 (en) * | 2014-12-19 | 2016-06-23 | Seoul Viosys Co., Ltd. | Semiconductor light emitting device and method of manufacturing the same |
| US10193020B2 (en) | 2014-12-19 | 2019-01-29 | Seoul Viosys Co., Ltd. | Semiconductor light emitting device and method of manufacturing the same |
| KR20160110587A (ko) * | 2015-03-09 | 2016-09-22 | 서울바이오시스 주식회사 | 반도체 발광소자 |
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| KR20220004611A (ko) * | 2015-03-09 | 2022-01-11 | 서울바이오시스 주식회사 | 반도체 발광소자 |
| KR102469775B1 (ko) | 2015-03-09 | 2022-11-23 | 서울바이오시스 주식회사 | 반도체 발광소자 |
| JP2018006535A (ja) * | 2016-06-30 | 2018-01-11 | ウシオ電機株式会社 | 半導体発光素子 |
| JP2021129121A (ja) * | 2016-06-30 | 2021-09-02 | ウシオ電機株式会社 | 光照射装置 |
| JP7228120B2 (ja) | 2016-06-30 | 2023-02-24 | ウシオ電機株式会社 | 光照射装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102947955B (zh) | 2016-10-19 |
| US9070847B2 (en) | 2015-06-30 |
| WO2011162180A1 (ja) | 2011-12-29 |
| KR20130009858A (ko) | 2013-01-23 |
| TW201216510A (en) | 2012-04-16 |
| CN102947955A (zh) | 2013-02-27 |
| EP2584616A1 (en) | 2013-04-24 |
| JP5849215B2 (ja) | 2016-01-27 |
| TWI455359B (zh) | 2014-10-01 |
| EP2584616A4 (en) | 2015-11-18 |
| US20130082297A1 (en) | 2013-04-04 |
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