JP4875361B2 - 3族窒化物発光素子 - Google Patents
3族窒化物発光素子 Download PDFInfo
- Publication number
- JP4875361B2 JP4875361B2 JP2005375759A JP2005375759A JP4875361B2 JP 4875361 B2 JP4875361 B2 JP 4875361B2 JP 2005375759 A JP2005375759 A JP 2005375759A JP 2005375759 A JP2005375759 A JP 2005375759A JP 4875361 B2 JP4875361 B2 JP 4875361B2
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- JP
- Japan
- Prior art keywords
- layer
- emitting device
- light emitting
- group iii
- iii nitride
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of group III and group V of the periodic system
- H01L33/32—Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
- H01L33/42—Transparent materials
Description
図3は、従来のフリップチップ発光素子の一例を示す断面図である。図3を参照すれば、発光素子10は、透明なサファイア基板11上に順次形成されたアンドープ(undoped)GaN層13、n-ドープAlGaN層15、活性層17及びp-ドープAlGaN層19を備える。p-ドープAlGaN層19上には光反射率の高いNi/Ag(またはAl)/Pt層(Niが下、Ptが上にある)からなったp側電極21が形成されており、n-ドープAlGaN層15の一部領域上にはn側電極23が形成されている。フリップチップ発光素子10は基板11側を上にした状態で、サブマウント21上に搭載される。図4は、フリップチップ発光素子10をサブマウント上に搭載した状態を示す断面図である。
103 アンドープGaN層
104 n-ドープ GaN層
105 n-ドープAlGaN層
106 n型クラッド層
107 活性層
109 p型クラッド層
110 CuInO2層
111 ITO層
121 Ag層
Claims (11)
- n型クラッド層と、
前記n型クラッド層上に、順次、形成された活性層及びp型クラッド層と、
前記p型クラッド層上に、順次、形成されたCuInO2層、透明伝導性酸化物層及び反射金属層を具備するp側電極とを含み、
前記CuInO 2 層はp型3族窒化物半導体からなる前記p型クラッド層に接触することを特徴とする3族窒化物発光素子。 - 前記反射金属層はAg層であることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記反射金属層はAl層であることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記発光素子はフリップチップ構造の発光素子であることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記透明伝導性酸化物層は、ZnO、AZO、Zn1-XAlXO、Zn1-XMgXO、SnO2、RuO2、PdO、Bi2Ru2O7、Bi2Ir2O7、ITOから構成された群より少なくとも一つ選択されたものからなることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記透明伝導性酸化物層は、ITOからなることを特徴とする請求項5に記載の3族窒化物発光素子。
- 前記発光素子は、前記n型クラッド層の下に形成されたサファイア基板を備えることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記p側電極は、前記反射金属層上に形成されたPt層を備えることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記p側電極は、前記反射金属層上に形成されたPt/Ni層を備えることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記n型クラッド層の下に、アンドープGaN層が形成されていることを特徴とする請求項1に記載の3族窒化物発光素子。
- 前記n型クラッド層は、n-ドープGaN層とその上に形成されたn-ドープAlGaN層とを含むことを特徴とする請求項10に記載の3族窒化物発光素子。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2005-0026737 | 2005-03-30 | ||
KR1020050026737A KR100631976B1 (ko) | 2005-03-30 | 2005-03-30 | 3족 질화물 발광 소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006287189A JP2006287189A (ja) | 2006-10-19 |
JP4875361B2 true JP4875361B2 (ja) | 2012-02-15 |
Family
ID=37030702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005375759A Expired - Fee Related JP4875361B2 (ja) | 2005-03-30 | 2005-12-27 | 3族窒化物発光素子 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7235820B2 (ja) |
JP (1) | JP4875361B2 (ja) |
KR (1) | KR100631976B1 (ja) |
CN (1) | CN100380697C (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100638813B1 (ko) * | 2005-04-15 | 2006-10-27 | 삼성전기주식회사 | 플립칩형 질화물 반도체 발광소자 |
US20070181905A1 (en) * | 2006-02-07 | 2007-08-09 | Hui-Heng Wang | Light emitting diode having enhanced side emitting capability |
KR100853851B1 (ko) * | 2006-10-30 | 2008-08-22 | 삼성전기주식회사 | 질화물 반도체 발광소자 |
DE102007019079A1 (de) * | 2007-01-26 | 2008-07-31 | Osram Opto Semiconductors Gmbh | Verfahren zum Herstellen eines optoelektronischen Halbleiterchips und optoelektronischer Halbleiterchip |
US7985979B2 (en) | 2007-12-19 | 2011-07-26 | Koninklijke Philips Electronics, N.V. | Semiconductor light emitting device with light extraction structures |
KR101457204B1 (ko) * | 2008-02-01 | 2014-11-03 | 서울바이오시스 주식회사 | 발광 다이오드 및 그 제조방법 |
KR100999800B1 (ko) | 2010-02-04 | 2010-12-08 | 엘지이노텍 주식회사 | 발광 소자 패키지 및 그 제조방법 |
KR101998885B1 (ko) * | 2010-05-31 | 2019-07-10 | 니치아 카가쿠 고교 가부시키가이샤 | 발광 장치 및 그 제조 방법 |
KR101025565B1 (ko) * | 2010-08-12 | 2011-03-28 | (주)더리즈 | 발광 소자 |
CN102157639A (zh) * | 2011-03-01 | 2011-08-17 | 湘能华磊光电股份有限公司 | 一种led芯片及其制备方法 |
JP5541260B2 (ja) * | 2011-03-21 | 2014-07-09 | 豊田合成株式会社 | Iii族窒化物半導体発光素子 |
US9373765B2 (en) * | 2011-05-25 | 2016-06-21 | Osram Opto Semiconductors Gmbh | Optoelectronic semiconductor chip |
KR102005236B1 (ko) | 2012-07-05 | 2019-07-31 | 삼성전자주식회사 | 반사 전극 형성을 위한 콘택층을 포함하는 반도체 발광 소자 |
CN111689531B (zh) * | 2020-06-03 | 2021-05-25 | 中国科学院物理研究所 | 低热导金属性材料及其制备方法 |
Family Cites Families (12)
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JPS5310556B2 (ja) * | 1973-02-01 | 1978-04-14 | ||
JP3850978B2 (ja) * | 1998-03-31 | 2006-11-29 | 独立行政法人科学技術振興機構 | 導電性透明酸化物 |
JP4296644B2 (ja) | 1999-01-29 | 2009-07-15 | 豊田合成株式会社 | 発光ダイオード |
JP3724267B2 (ja) * | 1999-08-11 | 2005-12-07 | 昭和電工株式会社 | Iii族窒化物半導体発光素子 |
JP4024994B2 (ja) * | 2000-06-30 | 2007-12-19 | 株式会社東芝 | 半導体発光素子 |
CN1147937C (zh) * | 2000-09-29 | 2004-04-28 | 北京大学 | 一种制备基于氮化镓发光二极管的方法 |
JP2003110142A (ja) * | 2001-09-28 | 2003-04-11 | Sharp Corp | 酸化物半導体発光素子およびその製造方法 |
JP2006506827A (ja) * | 2002-11-16 | 2006-02-23 | エルジー イノテック カンパニー リミテッド | 光デバイス及びその製造方法 |
JP2004179347A (ja) | 2002-11-26 | 2004-06-24 | Matsushita Electric Works Ltd | 半導体発光素子 |
JP4263121B2 (ja) * | 2003-03-27 | 2009-05-13 | 三洋電機株式会社 | 発光素子および照明装置 |
JP4889193B2 (ja) | 2003-07-23 | 2012-03-07 | 日亜化学工業株式会社 | 窒化物半導体発光素子 |
KR100580634B1 (ko) * | 2003-12-24 | 2006-05-16 | 삼성전자주식회사 | 질화물계 발광소자 및 그 제조방법 |
-
2005
- 2005-03-30 KR KR1020050026737A patent/KR100631976B1/ko not_active IP Right Cessation
- 2005-12-23 US US11/315,150 patent/US7235820B2/en not_active Expired - Fee Related
- 2005-12-27 JP JP2005375759A patent/JP4875361B2/ja not_active Expired - Fee Related
- 2005-12-28 CN CNB200510097496XA patent/CN100380697C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1841796A (zh) | 2006-10-04 |
CN100380697C (zh) | 2008-04-09 |
US20060220057A1 (en) | 2006-10-05 |
US7235820B2 (en) | 2007-06-26 |
JP2006287189A (ja) | 2006-10-19 |
KR100631976B1 (ko) | 2006-10-11 |
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