JP5603366B2 - 開いたピット中に延びる能動層を有する発光デバイス及びその製造方法 - Google Patents
開いたピット中に延びる能動層を有する発光デバイス及びその製造方法 Download PDFInfo
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- JP5603366B2 JP5603366B2 JP2012083854A JP2012083854A JP5603366B2 JP 5603366 B2 JP5603366 B2 JP 5603366B2 JP 2012083854 A JP2012083854 A JP 2012083854A JP 2012083854 A JP2012083854 A JP 2012083854A JP 5603366 B2 JP5603366 B2 JP 5603366B2
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- Prior art keywords
- layer
- pit
- emitting device
- light emitting
- pits
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- 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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Classifications
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- 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
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/821—Bodies characterised by their shape, e.g. curved or truncated substrates of the light-emitting regions, e.g. non-planar junctions
-
- 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
-
- 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
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- Led Devices (AREA)
- Semiconductor Lasers (AREA)
Description
また、発光デバイスの製造方法は、発光デバイスの能動層が成長される層の成長表面に低移動度の種を生成するように半導体材料層の成長条件を制御して、半導体材料層の貫通転位にピットを開くステップと、半導体材料層のピット中に延びて入るように能動層を成長させるステップと、ピット中に延びて入るように能動層上に正孔注入層を成長させるステップとを含んでいる。
Claims (10)
- III族窒化物をベースにした複数の層を含む能動領域と、
当該能動領域がその上に配置されたピット開き領域であって、超格子構造を含むピット開き領域と、
を含み、
前記能動領域は複数の量子井戸と正孔注入層を含み、前記量子井戸の層と前記正孔注入層は前記ピットを閉じることなく前記ピットの内部および側壁上まで延在することを特徴とする発光デバイス。 - 請求項1に記載の発光デバイスにおいて、さらに、前記正孔注入層上に位置し、かつ前記ピットの内部に延在するIII族窒化物をベースにしたコンタクト層を含み、当該コンタクト層は前記ピットを閉じることを特徴とする発光デバイス。
- 請求項2に記載の発光デバイスにおいて、前記ピットは前記量子井戸と前記正孔注入層を通して開口することを特徴とする発光デバイス。
- 請求項1に記載の発光デバイスにおいて、前記ピット開き領域は当該ピットの大きさを広げるよう構成されたことを特徴とする発光デバイス。
- 請求項1に記載の発光デバイスにおいて、前記ピット開き領域はInGaN層を含むことを特徴とする発光デバイス。
- 請求項1に記載の発光デバイスにおいて、前記ピット開き領域はGaN層を含むことを特徴とする発光デバイス。
- 請求項1に記載の発光デバイスにおいて、前記ピットは対応する転移を取り囲み、かつ前記複数の層は対応する転移まで延在することを特徴とする発光デバイス。
- 請求項1に記載の発光デバイスにおいて、前記複数のピットの少なくとも一つのピットは、前記ピット開き領域と当該ピット開き領域がその上に提供される基板との間に配置される層で生じることを特徴とする発光デバイス。
- 請求項1に記載の発光デバイスにおいて、前記発光デバイスは約0.27μW/μm 2 のチップサイズに対して規格化された放射出力を有することを特徴とする発光デバイス。
- 請求項1に記載の発光デバイスにおいて、前記発光デバイスは少なくとも600,000μm2のコンタクト面積と、約0.24μW/μm2のコンタクトサイズに対して規格化された放射出力とを有することを特徴とする発光デバイス。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/118,987 | 2005-04-29 | ||
| US11/118,987 US7446345B2 (en) | 2005-04-29 | 2005-04-29 | Light emitting devices with active layers that extend into opened pits |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008508828A Division JP5415756B2 (ja) | 2005-04-29 | 2006-01-24 | 開いたピット中に延びる能動層を有する発光デバイス及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012138626A JP2012138626A (ja) | 2012-07-19 |
| JP5603366B2 true JP5603366B2 (ja) | 2014-10-08 |
Family
ID=36607574
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008508828A Expired - Lifetime JP5415756B2 (ja) | 2005-04-29 | 2006-01-24 | 開いたピット中に延びる能動層を有する発光デバイス及びその製造方法 |
| JP2012083854A Expired - Lifetime JP5603366B2 (ja) | 2005-04-29 | 2012-04-02 | 開いたピット中に延びる能動層を有する発光デバイス及びその製造方法 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008508828A Expired - Lifetime JP5415756B2 (ja) | 2005-04-29 | 2006-01-24 | 開いたピット中に延びる能動層を有する発光デバイス及びその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7446345B2 (ja) |
| JP (2) | JP5415756B2 (ja) |
| DE (1) | DE112006001084B4 (ja) |
| TW (1) | TWI437723B (ja) |
| WO (1) | WO2006118623A1 (ja) |
Cited By (2)
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| US10084111B2 (en) | 2014-09-22 | 2018-09-25 | Sharp Kabushiki Kaisha | Nitride semiconductor light-emitting element |
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| TW200638563A (en) | 2006-11-01 |
| US20090029493A1 (en) | 2009-01-29 |
| US7611917B2 (en) | 2009-11-03 |
| DE112006001084B4 (de) | 2020-03-12 |
| JP5415756B2 (ja) | 2014-02-12 |
| JP2012138626A (ja) | 2012-07-19 |
| DE112006001084T5 (de) | 2008-05-29 |
| WO2006118623A1 (en) | 2006-11-09 |
| JP2008539585A (ja) | 2008-11-13 |
| US20060246612A1 (en) | 2006-11-02 |
| TWI437723B (zh) | 2014-05-11 |
| US7446345B2 (en) | 2008-11-04 |
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