JP2001160627A - Iii族窒化物系化合物半導体発光素子 - Google Patents
Iii族窒化物系化合物半導体発光素子Info
- Publication number
- JP2001160627A JP2001160627A JP34135799A JP34135799A JP2001160627A JP 2001160627 A JP2001160627 A JP 2001160627A JP 34135799 A JP34135799 A JP 34135799A JP 34135799 A JP34135799 A JP 34135799A JP 2001160627 A JP2001160627 A JP 2001160627A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- quantum well
- group iii
- compound semiconductor
- iii nitride
- 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.)
- Withdrawn
Links
Classifications
-
- 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]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0133—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials
- H10H20/01335—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials the light-emitting regions comprising nitride materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- 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
-
- 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
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement structures
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Biophysics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Led Devices (AREA)
- Semiconductor Lasers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34135799A JP2001160627A (ja) | 1999-11-30 | 1999-11-30 | Iii族窒化物系化合物半導体発光素子 |
| US09/725,496 US7084421B2 (en) | 1999-11-30 | 2000-11-30 | Light-emitting device using group III nitride group compound semiconductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34135799A JP2001160627A (ja) | 1999-11-30 | 1999-11-30 | Iii族窒化物系化合物半導体発光素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001160627A true JP2001160627A (ja) | 2001-06-12 |
| JP2001160627A5 JP2001160627A5 (enExample) | 2006-11-09 |
Family
ID=18345447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34135799A Withdrawn JP2001160627A (ja) | 1999-11-30 | 1999-11-30 | Iii族窒化物系化合物半導体発光素子 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7084421B2 (enExample) |
| JP (1) | JP2001160627A (enExample) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005210091A (ja) * | 2003-12-22 | 2005-08-04 | Showa Denko Kk | Iii族窒化物半導体素子およびそれを用いた発光素子 |
| US6989555B2 (en) * | 2004-04-21 | 2006-01-24 | Lumileds Lighting U.S., Llc | Strain-controlled III-nitride light emitting device |
| US7291868B2 (en) | 2003-08-21 | 2007-11-06 | Toyoda Gosei Co., Ltd. | Light-emitting semiconductor device and a method of manufacturing it |
| JP2009509341A (ja) * | 2005-09-14 | 2009-03-05 | インターナショナル レクティファイアー コーポレイション | 寄生電流経路を閉塞するために交互の高温層および低温層を用いる超格子の製造方法 |
| US7534638B2 (en) | 2006-12-22 | 2009-05-19 | Philips Lumiled Lighting Co., Llc | III-nitride light emitting devices grown on templates to reduce strain |
| US7547908B2 (en) | 2006-12-22 | 2009-06-16 | Philips Lumilieds Lighting Co, Llc | III-nitride light emitting devices grown on templates to reduce strain |
| US7674643B2 (en) | 2003-12-24 | 2010-03-09 | Samsung Electro-Mechanics Co., Ltd. | Gallium nitride semiconductor light emitting device and method of manufacturing the same |
| US7951693B2 (en) | 2006-12-22 | 2011-05-31 | Philips Lumileds Lighting Company, Llc | III-nitride light emitting devices grown on templates to reduce strain |
| JP2012023406A (ja) * | 2011-10-28 | 2012-02-02 | Sharp Corp | 窒化物半導体発光素子とその窒化物半導体発光素子を備える窒化ガリウム系化合物半導体レーザ素子 |
| JP2013505586A (ja) * | 2009-09-17 | 2013-02-14 | ソラア インコーポレーテッド | {20−21}ガリウム及び窒素含有基板上の低電圧レーザダイオード |
| JP2013161830A (ja) * | 2012-02-01 | 2013-08-19 | Toshiba Corp | 半導体発光素子及びその製造方法 |
| US8816319B1 (en) | 2010-11-05 | 2014-08-26 | Soraa Laser Diode, Inc. | Method of strain engineering and related optical device using a gallium and nitrogen containing active region |
| US8905588B2 (en) | 2010-02-03 | 2014-12-09 | Sorra, Inc. | System and method for providing color light sources in proximity to predetermined wavelength conversion structures |
| US9048170B2 (en) | 2010-11-09 | 2015-06-02 | Soraa Laser Diode, Inc. | Method of fabricating optical devices using laser treatment |
| US9076926B2 (en) | 2011-08-22 | 2015-07-07 | Soraa, Inc. | Gallium and nitrogen containing trilateral configuration for optical devices |
| US9105806B2 (en) | 2009-03-09 | 2015-08-11 | Soraa, Inc. | Polarization direction of optical devices using selected spatial configurations |
| JP2015179868A (ja) * | 2012-08-23 | 2015-10-08 | エルジー イノテック カンパニー リミテッド | 発光素子、発光素子パッケージ、及び照明システム |
| US9419189B1 (en) | 2013-11-04 | 2016-08-16 | Soraa, Inc. | Small LED source with high brightness and high efficiency |
| US9450143B2 (en) | 2010-06-18 | 2016-09-20 | Soraa, Inc. | Gallium and nitrogen containing triangular or diamond-shaped configuration for optical devices |
| US9978904B2 (en) | 2012-10-16 | 2018-05-22 | Soraa, Inc. | Indium gallium nitride light emitting devices |
| US10147850B1 (en) | 2010-02-03 | 2018-12-04 | Soraa, Inc. | System and method for providing color light sources in proximity to predetermined wavelength conversion structures |
| US10693041B2 (en) | 2009-09-18 | 2020-06-23 | Soraa, Inc. | High-performance LED fabrication |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6953977B2 (en) | 2000-02-08 | 2005-10-11 | Boston Microsystems, Inc. | Micromechanical piezoelectric device |
| KR100591705B1 (ko) * | 2000-09-21 | 2006-06-20 | 샤프 가부시키가이샤 | 질화물 반도체 발광소자 및 그것을 포함한 광학장치 |
| US6956250B2 (en) * | 2001-02-23 | 2005-10-18 | Nitronex Corporation | Gallium nitride materials including thermally conductive regions |
| GB0128743D0 (en) * | 2001-11-30 | 2002-01-23 | Epiic Ltd | Method of producing integrated semiconductor components on a semiconductor substrate |
| DE10392993B4 (de) * | 2002-07-29 | 2011-03-24 | National Institute Of Advanced Industrial Science And Technology | Thermoelektrisches Material enthaltend Stickstoff |
| US6969874B1 (en) * | 2003-06-12 | 2005-11-29 | Sandia Corporation | Flip-chip light emitting diode with resonant optical microcavity |
| JP4727169B2 (ja) * | 2003-08-04 | 2011-07-20 | 日本碍子株式会社 | エピタキシャル基板、当該エピタキシャル基板の製造方法、当該エピタキシャル基板の反り抑制方法、および当該エピタキシャル基板を用いた半導体積層構造 |
| JPWO2005020396A1 (ja) * | 2003-08-26 | 2006-10-19 | ソニー株式会社 | GaN系III−V族化合物半導体発光素子及びその製造方法 |
| US7928424B2 (en) * | 2004-03-11 | 2011-04-19 | Epistar Corporation | Nitride-based light-emitting device |
| US8562738B2 (en) | 2004-03-11 | 2013-10-22 | Epistar Corporation | Nitride-based light-emitting device |
| US9524869B2 (en) | 2004-03-11 | 2016-12-20 | Epistar Corporation | Nitride-based semiconductor light-emitting device |
| JP2006032911A (ja) * | 2004-06-15 | 2006-02-02 | Ngk Insulators Ltd | 半導体積層構造、半導体素子およびhemt素子 |
| TWI408263B (zh) * | 2004-07-01 | 2013-09-11 | Sumitomo Electric Industries | AlxGayIn1-x-yN基板、AlxGayIn1-x-yN基板之清潔方法、AlN基板及AlN基板之清潔方法 |
| US7217947B2 (en) * | 2004-08-06 | 2007-05-15 | Northrop Grumman Corporation | Semiconductor light source and method of making |
| JP4451371B2 (ja) * | 2004-12-20 | 2010-04-14 | シャープ株式会社 | 窒化物半導体レーザ素子 |
| KR100631981B1 (ko) * | 2005-04-07 | 2006-10-11 | 삼성전기주식회사 | 수직구조 3족 질화물 발광 소자 및 그 제조 방법 |
| JP2007088426A (ja) * | 2005-08-25 | 2007-04-05 | Furukawa Electric Co Ltd:The | 半導体電子デバイス |
| JP5011699B2 (ja) * | 2005-10-18 | 2012-08-29 | 住友電気工業株式会社 | 窒化物半導体発光素子 |
| KR100639026B1 (ko) * | 2005-11-25 | 2006-10-25 | 엘지이노텍 주식회사 | 질화물 반도체 발광소자 및 그 제조 방법 |
| JP4948134B2 (ja) * | 2006-11-22 | 2012-06-06 | シャープ株式会社 | 窒化物半導体発光素子 |
| KR100862497B1 (ko) * | 2006-12-26 | 2008-10-08 | 삼성전기주식회사 | 질화물 반도체 소자 |
| WO2009039402A1 (en) * | 2007-09-19 | 2009-03-26 | The Regents Of The University Of California | (al,in,ga,b)n device structures on a patterned substrate |
| KR101018088B1 (ko) * | 2008-11-07 | 2011-02-25 | 삼성엘이디 주식회사 | 질화물 반도체 소자 |
| DE102009004895A1 (de) * | 2009-01-16 | 2010-07-22 | Osram Opto Semiconductors Gmbh | Optoelektronisches Halbleiterbauelement |
| US9450001B2 (en) * | 2009-12-03 | 2016-09-20 | Technion Research & Development Foundation Limited | Method and system for detecting light and designing a light detector |
| JP4929367B2 (ja) * | 2010-03-08 | 2012-05-09 | 株式会社東芝 | 半導体発光素子及びその製造方法 |
| US8525148B2 (en) * | 2010-07-16 | 2013-09-03 | Micron Technology, Inc. | Solid state lighting devices without converter materials and associated methods of manufacturing |
| EP2408028B1 (en) * | 2010-07-16 | 2015-04-08 | LG Innotek Co., Ltd. | Light emitting device |
| CN102820395B (zh) * | 2011-06-07 | 2015-02-18 | 山东华光光电子有限公司 | 一种采用势垒高度渐变量子垒的led结构及其制备方法 |
| KR20130011374A (ko) * | 2011-07-21 | 2013-01-30 | 주식회사 칩테크놀러지 | 자외선 발광 다이오드용 다중 양자 우물 및 그의 제조 방법 |
| US11025029B2 (en) * | 2015-07-09 | 2021-06-01 | International Business Machines Corporation | Monolithic III-V nanolaser on silicon with blanket growth |
| US9960127B2 (en) | 2016-05-18 | 2018-05-01 | Macom Technology Solutions Holdings, Inc. | High-power amplifier package |
| US10134658B2 (en) | 2016-08-10 | 2018-11-20 | Macom Technology Solutions Holdings, Inc. | High power transistors |
| DE102017108435A1 (de) * | 2017-04-20 | 2018-10-25 | Osram Opto Semiconductors Gmbh | Halbleiterlaserdiode und Verfahren zur Herstellung einer Halbleiterlaserdiode |
| CN111108657B (zh) | 2017-06-30 | 2022-06-14 | 奥卢大学 | 一种光学半导体装置及其制造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4862471A (en) * | 1988-04-22 | 1989-08-29 | University Of Colorado Foundation, Inc. | Semiconductor light emitting device |
| US5689123A (en) * | 1994-04-07 | 1997-11-18 | Sdl, Inc. | III-V aresenide-nitride semiconductor materials and devices |
| DE69637304T2 (de) | 1995-03-17 | 2008-08-07 | Toyoda Gosei Co., Ltd. | Lichtemittierende Halbleitervorrichtung bestehend aus einer III-V Nitridverbindung |
| US5670798A (en) * | 1995-03-29 | 1997-09-23 | North Carolina State University | Integrated heterostructures of Group III-V nitride semiconductor materials including epitaxial ohmic contact non-nitride buffer layer and methods of fabricating same |
| US6441393B2 (en) * | 1999-11-17 | 2002-08-27 | Lumileds Lighting U.S., Llc | Semiconductor devices with selectively doped III-V nitride layers |
-
1999
- 1999-11-30 JP JP34135799A patent/JP2001160627A/ja not_active Withdrawn
-
2000
- 2000-11-30 US US09/725,496 patent/US7084421B2/en not_active Expired - Fee Related
Cited By (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7291868B2 (en) | 2003-08-21 | 2007-11-06 | Toyoda Gosei Co., Ltd. | Light-emitting semiconductor device and a method of manufacturing it |
| JP2005210091A (ja) * | 2003-12-22 | 2005-08-04 | Showa Denko Kk | Iii族窒化物半導体素子およびそれを用いた発光素子 |
| US7674643B2 (en) | 2003-12-24 | 2010-03-09 | Samsung Electro-Mechanics Co., Ltd. | Gallium nitride semiconductor light emitting device and method of manufacturing the same |
| US6989555B2 (en) * | 2004-04-21 | 2006-01-24 | Lumileds Lighting U.S., Llc | Strain-controlled III-nitride light emitting device |
| JP2009509341A (ja) * | 2005-09-14 | 2009-03-05 | インターナショナル レクティファイアー コーポレイション | 寄生電流経路を閉塞するために交互の高温層および低温層を用いる超格子の製造方法 |
| US9157169B2 (en) | 2005-09-14 | 2015-10-13 | International Rectifier Corporation | Process for manufacture of super lattice using alternating high and low temperature layers to block parasitic current path |
| US7534638B2 (en) | 2006-12-22 | 2009-05-19 | Philips Lumiled Lighting Co., Llc | III-nitride light emitting devices grown on templates to reduce strain |
| US7547908B2 (en) | 2006-12-22 | 2009-06-16 | Philips Lumilieds Lighting Co, Llc | III-nitride light emitting devices grown on templates to reduce strain |
| US7951693B2 (en) | 2006-12-22 | 2011-05-31 | Philips Lumileds Lighting Company, Llc | III-nitride light emitting devices grown on templates to reduce strain |
| US9105806B2 (en) | 2009-03-09 | 2015-08-11 | Soraa, Inc. | Polarization direction of optical devices using selected spatial configurations |
| US10090644B2 (en) | 2009-09-17 | 2018-10-02 | Soraa Laser Diode, Inc. | Low voltage laser diodes on {20-21} gallium and nitrogen containing substrates |
| US9853420B2 (en) | 2009-09-17 | 2017-12-26 | Soraa Laser Diode, Inc. | Low voltage laser diodes on {20-21} gallium and nitrogen containing substrates |
| US12327984B2 (en) | 2009-09-17 | 2025-06-10 | Kyocera Sld Laser, Inc. | Low voltage laser diodes on {20-21} gallium and nitrogen containing surfaces |
| US11070031B2 (en) | 2009-09-17 | 2021-07-20 | Kyocera Sld Laser, Inc. | Low voltage laser diodes on {20-21} gallium and nitrogen containing surfaces |
| JP2013505586A (ja) * | 2009-09-17 | 2013-02-14 | ソラア インコーポレーテッド | {20−21}ガリウム及び窒素含有基板上の低電圧レーザダイオード |
| US10424900B2 (en) | 2009-09-17 | 2019-09-24 | Soraa Laser Diode, Inc. | Low voltage laser diodes on {20-21} gallium and nitrogen containing substrates |
| US9543738B2 (en) | 2009-09-17 | 2017-01-10 | Soraa Laser Diode, Inc. | Low voltage laser diodes on {20-21} gallium and nitrogen containing substrates |
| US10693041B2 (en) | 2009-09-18 | 2020-06-23 | Soraa, Inc. | High-performance LED fabrication |
| US8905588B2 (en) | 2010-02-03 | 2014-12-09 | Sorra, Inc. | System and method for providing color light sources in proximity to predetermined wavelength conversion structures |
| US12369438B2 (en) | 2010-02-03 | 2025-07-22 | Korrus, Inc. | System and method for providing color light sources in proximity to predetermined wavelength conversion structures |
| US10147850B1 (en) | 2010-02-03 | 2018-12-04 | Soraa, Inc. | System and method for providing color light sources in proximity to predetermined wavelength conversion structures |
| US9450143B2 (en) | 2010-06-18 | 2016-09-20 | Soraa, Inc. | Gallium and nitrogen containing triangular or diamond-shaped configuration for optical devices |
| US9379522B1 (en) | 2010-11-05 | 2016-06-28 | Soraa Laser Diode, Inc. | Method of strain engineering and related optical device using a gallium and nitrogen containing active region |
| US10637210B1 (en) | 2010-11-05 | 2020-04-28 | Soraa Laser Diode, Inc. | Strained and strain control regions in optical devices |
| US9570888B1 (en) | 2010-11-05 | 2017-02-14 | Soraa Laser Diode, Inc. | Method of strain engineering and related optical device using a gallium and nitrogen containing active region |
| US11715931B1 (en) | 2010-11-05 | 2023-08-01 | Kyocera Sld Laser, Inc. | Strained and strain control regions in optical devices |
| US10283938B1 (en) | 2010-11-05 | 2019-05-07 | Soraa Laser Diode, Inc. | Method of strain engineering and related optical device using a gallium and nitrogen containing active region |
| US8816319B1 (en) | 2010-11-05 | 2014-08-26 | Soraa Laser Diode, Inc. | Method of strain engineering and related optical device using a gallium and nitrogen containing active region |
| US11152765B1 (en) | 2010-11-05 | 2021-10-19 | Kyocera Sld Laser, Inc. | Strained and strain control regions in optical devices |
| US9786810B2 (en) | 2010-11-09 | 2017-10-10 | Soraa Laser Diode, Inc. | Method of fabricating optical devices using laser treatment |
| US9048170B2 (en) | 2010-11-09 | 2015-06-02 | Soraa Laser Diode, Inc. | Method of fabricating optical devices using laser treatment |
| US9076926B2 (en) | 2011-08-22 | 2015-07-07 | Soraa, Inc. | Gallium and nitrogen containing trilateral configuration for optical devices |
| JP2012023406A (ja) * | 2011-10-28 | 2012-02-02 | Sharp Corp | 窒化物半導体発光素子とその窒化物半導体発光素子を備える窒化ガリウム系化合物半導体レーザ素子 |
| JP2013161830A (ja) * | 2012-02-01 | 2013-08-19 | Toshiba Corp | 半導体発光素子及びその製造方法 |
| JP2015179868A (ja) * | 2012-08-23 | 2015-10-08 | エルジー イノテック カンパニー リミテッド | 発光素子、発光素子パッケージ、及び照明システム |
| US9711682B2 (en) | 2012-08-23 | 2017-07-18 | Lg Innotek Co., Ltd. | Multiple quantum well light emitting device with multi-layer barrier structure |
| US9978904B2 (en) | 2012-10-16 | 2018-05-22 | Soraa, Inc. | Indium gallium nitride light emitting devices |
| US10529902B2 (en) | 2013-11-04 | 2020-01-07 | Soraa, Inc. | Small LED source with high brightness and high efficiency |
| US9419189B1 (en) | 2013-11-04 | 2016-08-16 | Soraa, Inc. | Small LED source with high brightness and high efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| US7084421B2 (en) | 2006-08-01 |
| US20010002048A1 (en) | 2001-05-31 |
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