JP2016025357A - 半導体発光素子 - Google Patents
半導体発光素子 Download PDFInfo
- Publication number
- JP2016025357A JP2016025357A JP2015144101A JP2015144101A JP2016025357A JP 2016025357 A JP2016025357 A JP 2016025357A JP 2015144101 A JP2015144101 A JP 2015144101A JP 2015144101 A JP2015144101 A JP 2015144101A JP 2016025357 A JP2016025357 A JP 2016025357A
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- layer
- electrode
- emitting device
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 272
- 239000000758 substrate Substances 0.000 claims description 64
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 30
- 229910002601 GaN Inorganic materials 0.000 claims description 26
- 229910052738 indium Inorganic materials 0.000 claims description 15
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 15
- 239000011777 magnesium Substances 0.000 claims description 12
- 239000011295 pitch Substances 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 4
- 239000002086 nanomaterial Substances 0.000 abstract 2
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- 229910052814 silicon oxide Inorganic materials 0.000 description 7
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
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- AJGDITRVXRPLBY-UHFFFAOYSA-N aluminum indium Chemical compound [Al].[In] AJGDITRVXRPLBY-UHFFFAOYSA-N 0.000 description 5
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- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 2
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- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
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- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
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- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910005540 GaP Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
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- 239000000956 alloy Substances 0.000 description 1
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- 230000004888 barrier function Effects 0.000 description 1
- BEQNOZDXPONEMR-UHFFFAOYSA-N cadmium;oxotin Chemical compound [Cd].[Sn]=O BEQNOZDXPONEMR-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
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- 150000001875 compounds Chemical class 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
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- UAMZXLIURMNTHD-UHFFFAOYSA-N dialuminum;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mg+2].[Al+3].[Al+3] UAMZXLIURMNTHD-UHFFFAOYSA-N 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
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- 238000011065 in-situ storage Methods 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 239000007924 injection Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- 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
- H01L33/24—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 of the light emitting region, e.g. non-planar junction
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- H—ELECTRICITY
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- 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
- H01L33/08—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 plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body
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- 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
- H01L33/16—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 crystal structure or orientation, e.g. polycrystalline, amorphous or porous
- H01L33/18—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 crystal structure or orientation, e.g. polycrystalline, amorphous or porous within the light emitting region
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- H01L33/36—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 electrodes
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- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
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- 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
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- 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
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- 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
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Abstract
Description
III−V族化合物であり、例えば、ガリウム窒化物(GaN)であってよい。ベース層120は、例えば、n型にドーピングされたn型ガリウム窒化物(n−GaN)であってもよい。
11 超音波ヘッド
12 吸入カバー部
20 噴射装置
30 エッチング装置
31 エッチング槽
32 エッチング液
100、100a、100b、100c、100d、100e、1001、2001、5001 半導体発光素子
101、3002、4002 基板
120 第1導電型半導体ベース層
130、130a マスク層
135 モールド層
140、140a ナノ発光構造物
142 第1導電型半導体コア
143 高抵抗層
144 活性層
146 第2導電型半導体層
150 透明電極層
152 電極絶縁層
160、160a 充填層
162 第1充填層
164 第2充填層
166 第3充填層
170、170b、170c、170d、170e 第1電極
180、180a、180b 第2電極
190 フォトマスク層
1000、2000 半導体発光素子パッケージ
1002 パッケージ本体
1003 リードフレーム
1005、2003 封止体
2010 実装基板
2011 基板本体
2012 貫通電極
2013 上面電極パッド
2014 下面電極パッド
3000、4000 バックライトユニット
3001、4001、6001 光源
3003 光学シート
4003 導光板
4004 反射層
5000 照明装置
5003 発光モジュール
5004 熱放出板
5005 放熱ピン
5006 外部ハウジング
5008 駆動部
5007 カバー部
5009 内部ハウジング
5010 外部接続部
5002 回路基板
6000 ヘッドランプ
6002 レンズ
6003 ガイド
6004 レンズカバー部
6005 反射部
6006 本体部
6007 前方孔
6008 中央孔
6009 ハウジング
6010 ヒートシンク
6011 冷却ファン
6012 放熱部
Claims (18)
- 複数の3次元ナノ発光構造物を含む少なくとも一つの発光領域、及び複数のパターンを含む少なくとも一つの電極領域を含む下部構造物を含み、
前記複数の3次元ナノ発光構造物及び前記複数のパターンの配列は同一であることを特徴とする半導体発光素子。 - 前記複数のパターンは、凹部、凸部、及び前記複数の3次元ナノ発光構造物が形成され一部の前記複数の3次元ナノ発光構造物が除去されたパターンの少なくとも一つ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。
- 前記少なくとも一つの電極領域は、第1導電型半導体領域及び第2導電型半導体領域を含むことを特徴とする請求項1に記載の半導体発光素子。
- 前記下部構造物は、基板、該基板上のベース層、及び該ベース層上のマスク層をさらに含むことを特徴とする請求項1に記載の半導体発光素子。
- 前記ベース層上の第1導電型電極及び前記マスク層上の第2導電型電極をさらに含むことを特徴とする請求項4に記載の半導体発光素子。
- 前記複数の3次元ナノ発光構造物を覆う透明電極層をさらに含むことを特徴とする請求項1に記載の半導体発光素子。
- 前記透明電極層及び前記複数の3次元ナノ発光構造物上の充填層をさらに含むことを特徴とする請求項6に記載の半導体発光素子。
- マスク層と第2導電型電極の間の電極絶縁層をさらに含むことを特徴とする請求項7に記載の半導体発光素子。
- 前記複数の3次元ナノ発光構造物は、同一のピッチの六角型パターンにより配列されることを特徴とする請求項1に記載の半導体発光素子。
- 前記少なくとも一つの発光領域は、それぞれ互いに異なるピッチを有する複数の3次元ナノ発光構造物を含む三つの発光領域を含むことを特徴とする請求項1に記載の半導体発光素子。
- さらに大きいピッチを有する前記複数の3次元ナノ発光構造物は、さらに大きい成長厚さ、さらに大きいインジウム(In)含量、及びさらに大きい波長の少なくとも一つをさらに含むことを特徴とする請求項10に記載の半導体発光素子。
- 前記複数の3次元ナノ発光構造物の二つの中心間のピッチ、前記3次元ナノ発光構造物と前記複数のパターンの中心間のピッチ、及び前記複数のパターンの間のピッチはすべて実質的に同一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。
- 前記複数のパターンの基板の上面に平行な表面におけるそれぞれの断面積は、前記複数の3次元ナノ発光構造物のそれぞれの断面積より大きいことを特徴とする請求項1に記載の半導体発光素子。
- 少なくとも一つの発光領域及び少なくとも一つの電極領域を含む基板と、
該基板上のベース層と、
該ベース層上のマスク層と、
前記少なくとも一つの発光領域において、前記マスク層の複数の開口部内の複数の3次元ナノ発光構造物と、
第1電極領域の第1電極及び第2電極領域の第2電極と、を含み、
前記第1及び第2電極、前記少なくとも一つの電極領域の前記マスク層、及び前記第1及び第2電極領域の前記ベース層は、それぞれ前記少なくとも一つの発光領域の前記複数の3次元ナノ発光構造物のパターンと共通のパターン、及び互いに共通のパターンを有する複数のパターンを有することを特徴とする半導体発光素子。 - 前記複数の3次元ナノ発光構造物を覆う透明電極層と、
該透明電極層及び前記複数の3次元ナノ発光構造物上の充填層と、
前記マスク層と前記第2電極の間の電極絶縁層と、をさらに含むことを特徴とする請求項14に記載の半導体発光素子。 - 前記複数の3次元ナノ発光構造物は、それぞれ第1導電型半導体コア、活性層、及び第2導電型半導体シェルを含むことを特徴とする請求項1または14に記載の半導体発光素子。
- 前記複数の3次元ナノ発光構造物は、それぞれ前記第1導電型半導体コアの一部上端部の高抵抗層をさらに含むことを特徴とする請求項16に記載の半導体発光素子。
- 前記第1導電型半導体コアはシリコン(Si)または炭素(C)によりドーピングされたn−型ガリウム窒化物(n−GaN)からなり、前記活性層はインジウムガリウム窒化物(InGaN)を含み、前記第2導電型半導体シェルはマグネシウム(Mg)または亜鉛(Zn)によりドーピングされたp−型ガリウム窒化物(p−GaN)からなることを特徴とする請求項16に記載の半導体発光素子。
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KR20160011286A (ko) | 2016-02-01 |
US20160020358A1 (en) | 2016-01-21 |
US9559260B2 (en) | 2017-01-31 |
CN105280773A (zh) | 2016-01-27 |
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