JP4881492B2 - 半導体発光素子 - Google Patents
半導体発光素子 Download PDFInfo
- Publication number
- JP4881492B2 JP4881492B2 JP2011531644A JP2011531644A JP4881492B2 JP 4881492 B2 JP4881492 B2 JP 4881492B2 JP 2011531644 A JP2011531644 A JP 2011531644A JP 2011531644 A JP2011531644 A JP 2011531644A JP 4881492 B2 JP4881492 B2 JP 4881492B2
- Authority
- JP
- Japan
- Prior art keywords
- dielectric layer
- layer
- substrate
- light emitting
- semiconductor
- 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.)
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- 239000004065 semiconductor Substances 0.000 title claims description 131
- 239000000758 substrate Substances 0.000 claims description 70
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 16
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 16
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
- 239000010980 sapphire Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 description 78
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 34
- 229910002601 GaN Inorganic materials 0.000 description 33
- 230000000052 comparative effect Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005530 etching Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 239000003989 dielectric material Substances 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- 230000001902 propagating effect Effects 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 238000004380 ashing Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 208000012868 Overgrowth Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/44—Semiconductor devices having potential barriers 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 coatings, e.g. passivation layer or anti-reflective coating
- H01L33/46—Reflective coating, e.g. dielectric Bragg reflector
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
Description
本実施例において、上記実施例1と同一の構成部分には同一符号を付してその部分の説明は省略し、異なる部分について説明する。本実施例が実施例1と異なる点は、第1および第2誘電体層の側面が傾斜していることにある。
11 基板
12 第1領域
13 第2領域
14、81 第1誘電体層
14a、15a、81a、82a 側面
15、82 第2誘電体層
16 第1半導体層
17 第2半導体層
18 N型GaN層
19 MQW活性層
20 P型GaN第1層
21 P型GaAlN層
22 P型GaN第2層
23 P型GaNコンタクト層
24 ITO透明電極
25、27 パッド
26 N側電極
30、34a、34b、35a、35b 光
31、32、33 界面
40 上面
41、42、43、44、91、92、93、94 側面
51 シリコン窒化膜
52、54、101、103 レジスト膜
53、102 シリコン酸化膜
61、62、63、64 アイランド
71、72、73、74 開口
Claims (8)
- 発光波長に対して透明な基板と、
前記基板上の第1領域に形成され、前記基板の屈折率より小さい屈折率を有する第1誘電体層と、
前記基板上であって前記第1領域を囲む第2領域に形成され、前記基板の屈折率より大きい屈折率を有する第2誘電体層と、
前記第1誘電体層上、前記第2誘電体層上、および前記基板上に形成された第1半導体層と、
前記第1半導体層上に形成され、PN接合を有する活性層を含む第2半導体層と、
を具備することを特徴とする半導体発光素子。 - 前記基板がサファイア、前記第1誘電体層が酸化シリコン、前記第2誘電体層が窒化シリコン、前記第1半導体層および前記第2半導体層が窒化物系III−V族化合物半導体であることを特徴とする請求項1に記載の半導体発光素子。
- 前記第1誘電体層は、前記第1領域に分散して形成された複数のアイランドで構成され、前記第2誘電体層は、前記第2領域に分散して形成された複数のアイランドで構成されていることを特徴とする請求項1に記載の半導体発光素子。
- 前記アイランドは、円形状、多角形状およびストライプ状のいずれかであることを特徴とする請求項3に記載の半導体発光素子。
- 前記第1誘電体層は、前記第1領域に分散して形成された複数の開口を有し、前記第2誘電体層は、前記第2領域に分散して形成された複数の開口を有することを特徴とする請求項1に記載の半導体発光素子。
- 前記開口は、円形状、多角形状およびストライプ状のいずれかであることを特徴とする請求項5に記載の半導体発光素子。
- 前記第1誘電体層および前記第2誘電体層の側面が、前記第1半導体層側から前記基板側に向かって末広がり状の傾斜面であることを特徴とする請求項1に記載の半導体発光素子。
- 前記第1半導体層は、前記第1誘電体層および前記第2誘電体層をマスクとして、前記基板上に選択的に成長し、更に横方向に成長して合体した半導体層であることを特徴とする請求項1に記載の半導体発光素子。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/004702 WO2011033570A1 (ja) | 2009-09-17 | 2009-09-17 | 半導体発光素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4881492B2 true JP4881492B2 (ja) | 2012-02-22 |
JPWO2011033570A1 JPWO2011033570A1 (ja) | 2013-02-07 |
Family
ID=43758199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011531644A Expired - Fee Related JP4881492B2 (ja) | 2009-09-17 | 2009-09-17 | 半導体発光素子 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8441023B2 (ja) |
JP (1) | JP4881492B2 (ja) |
WO (1) | WO2011033570A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018175081A1 (en) * | 2017-03-21 | 2018-09-27 | Ciechonski Rafal | Red light emitting diodes having an indium gallium nitride template layer and method of making thereof |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5370279B2 (ja) * | 2010-06-11 | 2013-12-18 | 豊田合成株式会社 | n型III族窒化物半導体の製造方法 |
KR20150039926A (ko) * | 2013-10-04 | 2015-04-14 | 엘지이노텍 주식회사 | 발광소자 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11274642A (ja) * | 1998-03-19 | 1999-10-08 | Toshiba Corp | 半導体発光素子及びその製造方法 |
JPH11312840A (ja) * | 1998-04-28 | 1999-11-09 | Sharp Corp | 半導体レーザ素子及びその製造方法 |
JP2002204035A (ja) * | 2001-01-04 | 2002-07-19 | Sharp Corp | 窒化物半導体発光素子とこれを含む装置 |
WO2003098710A1 (en) * | 2002-05-15 | 2003-11-27 | Matsushita Electric Industrial Co., Ltd. | Semiconductor light emitting element and production method therefor |
JP2004193371A (ja) * | 2002-12-11 | 2004-07-08 | Nec Corp | Iii族窒化物自立基板およびそれを用いた半導体素子ならびにそれらの製造方法 |
JP2006128450A (ja) * | 2004-10-29 | 2006-05-18 | Toyoda Gosei Co Ltd | Iii族窒化物半導体発光素子 |
JP2008098234A (ja) * | 2006-10-06 | 2008-04-24 | Nec Corp | 面発光レーザ素子 |
WO2010061617A1 (ja) * | 2008-11-28 | 2010-06-03 | 国立大学法人山口大学 | 半導体発光素子及びその製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6015979A (en) | 1997-08-29 | 2000-01-18 | Kabushiki Kaisha Toshiba | Nitride-based semiconductor element and method for manufacturing the same |
JP3592553B2 (ja) | 1998-10-15 | 2004-11-24 | 株式会社東芝 | 窒化ガリウム系半導体装置 |
US20080121903A1 (en) | 2006-11-24 | 2008-05-29 | Sony Corporation | Method for manufacturing light-emitting diode, light-emitting diode, lightsource cell unit, light-emitting diode backlight, light-emitting diode illuminating device, light-emitting diode display, and electronic apparatus |
KR101338698B1 (ko) * | 2007-04-16 | 2013-12-06 | 엘지이노텍 주식회사 | 질화물 반도체 발광소자 |
TWI349381B (en) * | 2007-08-03 | 2011-09-21 | Chi Mei Lighting Tech Corp | Light-emitting diode and manufacturing method thereof |
-
2009
- 2009-09-17 JP JP2011531644A patent/JP4881492B2/ja not_active Expired - Fee Related
- 2009-09-17 WO PCT/JP2009/004702 patent/WO2011033570A1/ja active Application Filing
-
2011
- 2011-09-06 US US13/226,045 patent/US8441023B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11274642A (ja) * | 1998-03-19 | 1999-10-08 | Toshiba Corp | 半導体発光素子及びその製造方法 |
JPH11312840A (ja) * | 1998-04-28 | 1999-11-09 | Sharp Corp | 半導体レーザ素子及びその製造方法 |
JP2002204035A (ja) * | 2001-01-04 | 2002-07-19 | Sharp Corp | 窒化物半導体発光素子とこれを含む装置 |
WO2003098710A1 (en) * | 2002-05-15 | 2003-11-27 | Matsushita Electric Industrial Co., Ltd. | Semiconductor light emitting element and production method therefor |
JP2004193371A (ja) * | 2002-12-11 | 2004-07-08 | Nec Corp | Iii族窒化物自立基板およびそれを用いた半導体素子ならびにそれらの製造方法 |
JP2006128450A (ja) * | 2004-10-29 | 2006-05-18 | Toyoda Gosei Co Ltd | Iii族窒化物半導体発光素子 |
JP2008098234A (ja) * | 2006-10-06 | 2008-04-24 | Nec Corp | 面発光レーザ素子 |
WO2010061617A1 (ja) * | 2008-11-28 | 2010-06-03 | 国立大学法人山口大学 | 半導体発光素子及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018175081A1 (en) * | 2017-03-21 | 2018-09-27 | Ciechonski Rafal | Red light emitting diodes having an indium gallium nitride template layer and method of making thereof |
Also Published As
Publication number | Publication date |
---|---|
US20120056220A1 (en) | 2012-03-08 |
US8441023B2 (en) | 2013-05-14 |
WO2011033570A1 (ja) | 2011-03-24 |
JPWO2011033570A1 (ja) | 2013-02-07 |
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