JP2014506738A - 分極制御を有する発光ダイオード - Google Patents
分極制御を有する発光ダイオード Download PDFInfo
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Classifications
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- 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
- H01L33/04—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 quantum effect structure or superlattice, e.g. tunnel junction
- H01L33/06—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 quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
-
- 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
- H01L33/02—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
- H01L33/12—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 stress relaxation structure, e.g. buffer layer
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0233—Mounting configuration of laser chips
- H01S5/0234—Up-side down mountings, e.g. Flip-chip, epi-side down mountings or junction down mountings
-
- 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0421—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers
- H01S5/0422—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers with n- and p-contacts on the same side of the active layer
-
- 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
- H01S5/3201—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures incorporating bulkstrain effects, e.g. strain compensation, strain related to polarisation
-
- 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
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- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
本願は、2011年2月25日に提出された“Light Emitting Diode with Polarization Control(分極制御を有する発光ダイオード”と題する同時係属米国仮出願第61/446,516号の利益を主張し、それは、参照によってここに組み込まれる。
Claims (20)
- 窒化物系発光ヘテロ構造であって、
電子供給層、
正孔供給層、及び
前記電子供給層と前記正孔供給層との間に配置される活性領域を含み、前記活性領域は、
一組のバリア層、及び
一組の量子井戸を含み、各量子井戸が一つのバリア層に隣接し、且つ中に配置されるデルタドープされたp型サブ層を有する、ヘテロ構造。 - 各量子井戸が、非輻射再結合に関与する欠陥のシュヴァルツシルト半径よりも少ない厚みをさらに有する、請求項1に記載のヘテロ構造。
- 前記活性領域がウルツ鉱結晶対称性を有することを特徴とする、請求項1に記載のヘテロ構造。
- 前記活性領域と前記正孔供給層との間に配置される電子ブロック層をさらに備え、前記電子ブロック層は、内側に前記活性領域が配置されるポテンシャル井戸の第1の側を形成する複数のサブ層を含む傾斜組成を備え、且つ前記複数のサブ層の内の互いに隣接するサブ層が互いに反対の符号のストレインを有する、請求項1に記載のヘテロ構造。
- 前記活性領域と前記正孔供給層との間に配置される電子供給バリア層をさらに備え、前記電子供給バリア層は、中に前記活性領域が配置されるポテンシャル井戸の第1の側を形成する傾斜組成を有する、請求項1に記載のヘテロ構造。
- 前記ポテンシャル井戸は、前記活性領域に入る電子と正孔が極性光学フォノンのエネルギーと略同じエネルギーを有するようなバンド構造プロファイルを有する、請求項5に記載のヘテロ構造。
- 前記正孔供給層は、p型クラッド層を備え、このp型クラッド層は、
第2の一組の量子井戸、及び
第2の一組のバリアを含み、前記第2の一組の量子井戸における量子井戸と前記第2の一組のバリアにおける隣接するバリアとの間のバンド不連続性は、前記第2の一組の量子井戸における量子井戸のドーパントの活性化エネルギーと一致する、請求項1に記載のヘテロ構造。 - 発光ヘテロ構造であって、
活性領域を備え、この活性領域が
一組のバリア層、及び
一組の量子井戸を含み、各量子井戸が一つのバリア層に隣接し、且つ中に配置されるデルタドープされたp型サブ層を有する、ヘテロ構造。 - 正孔供給層、及び
前記活性領域と前記正孔供給層との間に配置される電子ブロック層をさらに備え、前記電子ブロック層は、内側に前記活性領域が配置されるポテンシャル井戸の第1の側を形成する複数のサブ層を含む傾斜組成を備え、且つ前記複数のサブ層の内の互いに隣接するサブ層が互いに反対の符号のストレインを有する、請求項8に記載のヘテロ構造。 - 前記活性領域は、III族窒化物系材料から形成される、請求項8に記載のヘテロ構造。
- 各量子井戸が、非輻射再結合に関与する欠陥のシュヴァルツシルト半径よりも少ない厚みをさらに有する、請求項8に記載のヘテロ構造。
- 各量子井戸の厚みは、各量子井戸の電子基底状態が一組の分極の影響によって引き起こされるエネルギーのバンド湾曲範囲よりも上であるようになっている、請求項8に記載のヘテロ構造。
- 各量子井戸の厚みは、各量子井戸の電子基底状態が対応する各量子井戸における導電バンドの底よりも高いエネルギーであるようになっている、請求項8に記載のヘテロ構造。
- 各バリア層は、傾斜組成を備える、請求項8に記載のヘテロ構造。
- 窒化物系発光ヘテロ構造を製造する方法であって、本方法は、
活性領域を形成することを備え、この活性領域は、
一組のバリア層、及び
一組の量子井戸を含み、各量子井戸が一つのバリア層に隣接し、且つ中に配置されるデルタドープされたp型サブ層を有する、方法。 - 電子供給層を形成すること、及び
正孔供給層を形成することをさらに含み、前記活性領域が前記電子供給層と前記正孔供給層との間に配置される、請求項15に記載の方法。 - 各量子井戸に対する厚みをその厚みが非輻射再結合に関与する欠陥のシュヴァルツシルト半径よりも少ないように選択する、請求項15に記載の方法。
- 正孔供給層を形成すること、及び
前記活性領域と前記正孔供給層との間に電子ブロック層を形成することをさらに備え、前記電子ブロック層は、中に活性領域が配置されるポテンシャル井戸の第1の側を形成する複数のサブ層を含む傾斜組成を備え、前記複数のサブ層の内の互いに隣接するサブ層が互いに反対の符号のストレインを有する、請求項15に記載の方法。 - 前記活性領域と前記電子供給層との間に配置される電子供給バリア層を形成することをさらに備え、前記電子供給バリア層は、中に前記活性領域が配置されるポテンシャル井戸の第1の側を形成する傾斜組成を有する、請求項15に記載の方法。
- 前記電子供給バリア層を形成することは、前記活性領域に入る電子と正孔が極性光学フォノンのエネルギーと略同じエネルギーを有するようなバンド構造プロファイルを前記ポテンシャル井戸が有するように傾斜組成を選択することを含む、請求項19に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161446516P | 2011-02-25 | 2011-02-25 | |
US61/446,516 | 2011-02-25 | ||
US13/404,703 US10134948B2 (en) | 2011-02-25 | 2012-02-24 | Light emitting diode with polarization control |
US13/404,703 | 2012-02-24 | ||
PCT/US2012/026669 WO2012116353A1 (en) | 2011-02-25 | 2012-02-25 | Light emitting diode with polarization control |
Publications (2)
Publication Number | Publication Date |
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JP2014506738A true JP2014506738A (ja) | 2014-03-17 |
JP5848367B2 JP5848367B2 (ja) | 2016-01-27 |
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ID=46718365
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Application Number | Title | Priority Date | Filing Date |
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JP2013555630A Active JP5848367B2 (ja) | 2011-02-25 | 2012-02-25 | 分極制御を有する発光ダイオード |
Country Status (6)
Country | Link |
---|---|
US (1) | US10134948B2 (ja) |
EP (1) | EP2678887B1 (ja) |
JP (1) | JP5848367B2 (ja) |
KR (2) | KR101747289B1 (ja) |
CN (1) | CN103548156B (ja) |
WO (1) | WO2012116353A1 (ja) |
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JP2017168811A (ja) * | 2016-03-17 | 2017-09-21 | ルーメンス カンパニー リミテッド | 発光ダイオード |
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US9401452B2 (en) | 2012-09-14 | 2016-07-26 | Palo Alto Research Center Incorporated | P-side layers for short wavelength light emitters |
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TWI610460B (zh) * | 2012-11-19 | 2018-01-01 | 新世紀光電股份有限公司 | 氮化物半導體結構 |
TWI499080B (zh) | 2012-11-19 | 2015-09-01 | Genesis Photonics Inc | 氮化物半導體結構及半導體發光元件 |
TWI649896B (zh) * | 2012-11-19 | 2019-02-01 | 新世紀光電股份有限公司 | 氮化物半導體結構 |
TWI556467B (zh) * | 2012-11-19 | 2016-11-01 | 新世紀光電股份有限公司 | 氮化物半導體結構 |
US10153394B2 (en) | 2012-11-19 | 2018-12-11 | Genesis Photonics Inc. | Semiconductor structure |
TWI524551B (zh) | 2012-11-19 | 2016-03-01 | 新世紀光電股份有限公司 | 氮化物半導體結構及半導體發光元件 |
TWI535055B (zh) | 2012-11-19 | 2016-05-21 | 新世紀光電股份有限公司 | 氮化物半導體結構及半導體發光元件 |
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JP5848367B2 (ja) | 2016-01-27 |
US20120217473A1 (en) | 2012-08-30 |
KR20150116921A (ko) | 2015-10-16 |
CN103548156B (zh) | 2017-04-26 |
WO2012116353A8 (en) | 2013-10-10 |
EP2678887B1 (en) | 2018-09-19 |
US10134948B2 (en) | 2018-11-20 |
KR20140037058A (ko) | 2014-03-26 |
EP2678887A1 (en) | 2014-01-01 |
KR101747289B1 (ko) | 2017-06-14 |
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WO2012116353A1 (en) | 2012-08-30 |
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