WO2009031268A1 - 回折格子型発光ダイオード - Google Patents
回折格子型発光ダイオード Download PDFInfo
- Publication number
- WO2009031268A1 WO2009031268A1 PCT/JP2008/002262 JP2008002262W WO2009031268A1 WO 2009031268 A1 WO2009031268 A1 WO 2009031268A1 JP 2008002262 W JP2008002262 W JP 2008002262W WO 2009031268 A1 WO2009031268 A1 WO 2009031268A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light emitting
- emitting diode
- layer
- holes
- type gan
- Prior art date
Links
- 238000010030 laminating Methods 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 229910052594 sapphire Inorganic materials 0.000 abstract 1
- 239000010980 sapphire Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
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
- H01L33/02—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 semiconductor bodies
- H01L33/20—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 semiconductor bodies with a particular shape, e.g. curved or truncated substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0083—Periodic patterns for optical field-shaping in or on the semiconductor body or semiconductor body package, e.g. photonic bandgap structures
-
- 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
- H01L33/02—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 semiconductor bodies
- H01L33/10—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 semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
本発明の課題は、空孔を2次元周期的に形成する場合にその周期を適切に設定することにより外部量子効率の向上を図った回折格子型発光ダイオードを提供することである。sapphire基板10の上にn型GaN層12、InGaN/GaN活性層14、p型GaN層16、透明電極層18を積層して発光ダイオードを構成する。透明電極層18、p型GaN層16、InGaN/GaN活性層14、n型GaN層12に、これらの層にほぼ垂直な方向に延びる多数の空孔24を2次元周期的に形成する。非発光再結合速度をvsとすると、空孔24の配置周期aは次の式(Ⅰ)を満たす。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/704,325 US20100140651A1 (en) | 2007-09-03 | 2010-02-11 | Diffraction grating light-emitting diode |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-228178 | 2007-09-03 | ||
JP2007228178A JP5242975B2 (ja) | 2007-09-03 | 2007-09-03 | 回折格子型発光ダイオード |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/704,325 Continuation US20100140651A1 (en) | 2007-09-03 | 2010-02-11 | Diffraction grating light-emitting diode |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009031268A1 true WO2009031268A1 (ja) | 2009-03-12 |
Family
ID=40428592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/002262 WO2009031268A1 (ja) | 2007-09-03 | 2008-08-21 | 回折格子型発光ダイオード |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100140651A1 (ja) |
JP (1) | JP5242975B2 (ja) |
TW (1) | TWI390770B (ja) |
WO (1) | WO2009031268A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103069584A (zh) * | 2010-08-11 | 2013-04-24 | 首尔Opto仪器股份有限公司 | Uv发光二极管及其制造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011023639A (ja) * | 2009-07-17 | 2011-02-03 | Alps Electric Co Ltd | 半導体発光素子 |
JP5300078B2 (ja) * | 2009-10-19 | 2013-09-25 | 国立大学法人京都大学 | フォトニック結晶発光ダイオード |
CN102760810B (zh) * | 2011-04-28 | 2015-01-07 | 展晶科技(深圳)有限公司 | 发光二极管晶粒及其制造方法 |
CN103367570B (zh) * | 2012-03-30 | 2016-01-20 | 清华大学 | 白光led |
CN109980058A (zh) * | 2019-02-28 | 2019-07-05 | 江苏大学 | 一种具有空气孔光子晶体结构的高出光效率二极管 |
CN116387975B (zh) * | 2023-06-05 | 2023-12-29 | 福建慧芯激光科技有限公司 | 一种激射方向可调型稳波长边发射激光器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004521509A (ja) * | 2001-04-26 | 2004-07-15 | サントル・ナショナル・ドゥ・ラ・レシェルシュ・サイエンティフィーク | 光取り出し手段を持つ電界発光素子 |
JP2004289096A (ja) * | 2003-03-19 | 2004-10-14 | Lumileds Lighting Us Llc | フォトニック結晶構造を使用するled効率の改良 |
JP2006196658A (ja) * | 2005-01-13 | 2006-07-27 | Matsushita Electric Ind Co Ltd | 半導体発光素子およびその製造方法 |
JP2006310721A (ja) * | 2005-03-28 | 2006-11-09 | Yokohama National Univ | 自発光デバイス |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US173887A (en) * | 1876-02-22 | Improvement in horse-collar guards | ||
US141333A (en) * | 1873-07-29 | Improvement in the manufacture of chlorine | ||
US7279718B2 (en) * | 2002-01-28 | 2007-10-09 | Philips Lumileds Lighting Company, Llc | LED including photonic crystal structure |
-
2007
- 2007-09-03 JP JP2007228178A patent/JP5242975B2/ja not_active Expired - Fee Related
-
2008
- 2008-08-21 WO PCT/JP2008/002262 patent/WO2009031268A1/ja active Application Filing
- 2008-08-25 TW TW097132339A patent/TWI390770B/zh not_active IP Right Cessation
-
2010
- 2010-02-11 US US12/704,325 patent/US20100140651A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004521509A (ja) * | 2001-04-26 | 2004-07-15 | サントル・ナショナル・ドゥ・ラ・レシェルシュ・サイエンティフィーク | 光取り出し手段を持つ電界発光素子 |
JP2004289096A (ja) * | 2003-03-19 | 2004-10-14 | Lumileds Lighting Us Llc | フォトニック結晶構造を使用するled効率の改良 |
JP2006196658A (ja) * | 2005-01-13 | 2006-07-27 | Matsushita Electric Ind Co Ltd | 半導体発光素子およびその製造方法 |
JP2006310721A (ja) * | 2005-03-28 | 2006-11-09 | Yokohama National Univ | 自発光デバイス |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103069584A (zh) * | 2010-08-11 | 2013-04-24 | 首尔Opto仪器股份有限公司 | Uv发光二极管及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2009060046A (ja) | 2009-03-19 |
TW200919788A (en) | 2009-05-01 |
JP5242975B2 (ja) | 2013-07-24 |
US20100140651A1 (en) | 2010-06-10 |
TWI390770B (zh) | 2013-03-21 |
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