JP2007173530A - 半導体発光素子 - Google Patents
半導体発光素子 Download PDFInfo
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- JP2007173530A JP2007173530A JP2005369243A JP2005369243A JP2007173530A JP 2007173530 A JP2007173530 A JP 2007173530A JP 2005369243 A JP2005369243 A JP 2005369243A JP 2005369243 A JP2005369243 A JP 2005369243A JP 2007173530 A JP2007173530 A JP 2007173530A
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- 239000004065 semiconductor Substances 0.000 title description 5
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- 238000005253 cladding Methods 0.000 claims description 76
- 230000000903 blocking effect Effects 0.000 claims description 48
- 238000003892 spreading Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 19
- 238000000034 method Methods 0.000 description 14
- 239000010408 film Substances 0.000 description 8
- 229910000679 solder Inorganic materials 0.000 description 7
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 230000001629 suppression Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000000206 photolithography Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001579 optical reflectometry Methods 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 229910001316 Ag alloy Inorganic materials 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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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
- H01L33/14—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 carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure
- H01L33/145—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 carrier transport control structure, e.g. highly-doped semiconductor layer or current-blocking structure with a current-blocking structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/14—Structure, shape, material or disposition of the bump connectors prior to the connecting process of a plurality of bump connectors
-
- 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
- H01L33/0093—Wafer bonding; Removal of the growth substrate
-
- 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
- H01L33/36—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
- H01L33/38—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 with a particular shape
-
- 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
- H01L33/36—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
- H01L33/40—Materials therefor
- H01L33/405—Reflective materials
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
Abstract
【解決手段】高熱伝導性基板10の表面側に少なくともp型クラッド層4、活性層3、n型クラッド層2が積層された発光層部と、前記発光層部上の中央に部分的に形成された電流阻止部14と、前記n型クラッド層2及び前記電流阻止部14の表面に形成された電流分散層15と、前記電流分散層15の表面に形成された上部電極16と、前記高熱伝導性基板10の裏面に形成された下部電極13とを有する発光ダイオードにおいて、前記高熱伝導性基板10と前記発光層部との間に形成された光反射層7と、前記光反射層7の表面上の前記電流阻止部14の下方に位置する部分に形成された部分電極6と、前記部分電極6が形成された部分以外の前記光反射層7の表面上に形成された電流阻止部5とを有する。
【選択図】図1
Description
2、25、104 n型AlGaInPクラッド層(n型クラッド層)
3、24、103 活性層
4、23、102 p型AlGaInPクラッド層(p型クラッド層)
5、14、26、116 電流阻止部
6、115 部分電極
7、30 光反射層
8、12、31 拡散抑止層
9、9a、9b、114 接合層
10、113 高熱伝導性基板
11 高熱伝導性基板用電極
13、106 下部電極
15、27、43、117 電流分散層
16、101 上部電極
17、112 実装用合金
18、39、107 実装ステム
19 電子
20 正孔
21 発光部
22、109 透光性基板
28 電流分散層用電極
29 絶縁層
32 放熱用接合層
33、111 p型クラッド層用電極
34、36 通電用接合半田
35 放熱用接合半田
37、38 ステム用配線パターン
40、41 保護膜
42 枝状電極
110 n型クラッド層用電極
Claims (10)
- 基板の表面側に少なくとも第一導電性クラッド層、活性層、第二導電性クラッド層が順次形成された発光層部と、前記発光層部上の中央に部分的に形成された第1の電流阻止部と、前記第二導電性クラッド層及び前記第1の電流阻止部の上に形成された導電層部と、前記基板の裏面に形成された下部電極とを有する発光ダイオードにおいて、
前記基板と前記発光層部との間に形成された光反射層と、前記光反射層の表面上の前記第1の電流阻止部の下方に位置する部分に形成された部分電極と、前記部分電極が形成された部分以外の前記光反射層の表面上に形成された第2の電流阻止部とを有することを特徴とする発光ダイオード。 - 基板の表面を光取り出し部分とし、前記基板の裏面に少なくとも第一導電性クラッド層、活性層、第二導電性クラッド層が順次積層された発光層部と、前記第二導電性クラッド層の裏面の側部に形成された電流阻止部と、前記電流阻止部及び前記第二導電性クラッド層の裏面に形成された電流分散層とを有する発光ダイオードにおいて、
前記電流分散層の裏面に、前記電流阻止部と向かい合うように形成された電流注入用電極と、前記注入用電極を形成した以外の部分に形成された光反射層とを有することを特徴とする発光ダイオード。 - 前記第二導電性クラッド層のシート抵抗が前記第一導電性クラッド層のシート抵抗よりも高いことを特徴とする請求項1又は2に記載の発光ダイオード。
- 前記光反射層がAg、Au、Alのいずれか若しくはそれらの内の少なくとも1つを含む合金からなる層、又はそれらの複合層からなることを特徴とする請求項1〜3のいずれかに記載の発光ダイオード。
- 前記活性層が多重量子井戸構造であることを特徴とする請求項1〜4のいずれかに記載の発光ダイオード。
- 前記導電層部が前記第二導電型クラッド層及び前記第1の電流阻止部の上に設けられた電流分散層と、前記電流分散層上に設けられた上部電極とを有することを特徴とする請求項1に記載の発光ダイオード。
- 前記導電層部が前記第二導電型クラッド層及び前記第1の電流阻止部の表面に接するように設けられた枝状電極を有することを特徴とする請求項1記載の発光ダイオード。
- 前記導電層部が前記第二導電型クラッド層及び前記第1の電流阻止部の表面に接するように設けられた枝状電極と、前記第二導電型クラッド層上に前記枝状電極の表面の一部を露出させるように設けられた電流分散層とを有することを特徴とする請求項1に記載の発光ダイオード。
- 前記導電層部が前記第二導電型クラッド層及び前記第1の電流阻止部の表面に接するように設けられた枝状電極と、前記第二導電型クラッド層及び前記枝状電極の上に設けられた電流分散層と、前記電流分散層上に設けられた上部電極とを有することを特徴とする請求項1に記載の発光ダイオード。
- 前記電流分散層が透明導電膜であることを特徴とする請求項2、6、8又は9のいずれかに記載の発光ダイオード。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005369243A JP4655920B2 (ja) | 2005-12-22 | 2005-12-22 | 半導体発光素子 |
US11/484,603 US7728340B2 (en) | 2005-12-22 | 2006-07-12 | Semiconductor light-emitting device |
CN2008101743379A CN101399308B (zh) | 2005-12-22 | 2006-10-25 | 半导体发光元件 |
CNB2006101375363A CN100466311C (zh) | 2005-12-22 | 2006-10-25 | 半导体发光元件 |
US12/662,406 US20100308301A1 (en) | 2005-12-22 | 2010-04-15 | Semiconductor light-emitting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005369243A JP4655920B2 (ja) | 2005-12-22 | 2005-12-22 | 半導体発光素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007173530A true JP2007173530A (ja) | 2007-07-05 |
JP4655920B2 JP4655920B2 (ja) | 2011-03-23 |
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Application Number | Title | Priority Date | Filing Date |
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JP2005369243A Expired - Fee Related JP4655920B2 (ja) | 2005-12-22 | 2005-12-22 | 半導体発光素子 |
Country Status (3)
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US (2) | US7728340B2 (ja) |
JP (1) | JP4655920B2 (ja) |
CN (2) | CN100466311C (ja) |
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JP2009043934A (ja) * | 2007-08-08 | 2009-02-26 | Toyoda Gosei Co Ltd | フリップチップ型発光素子 |
US8168987B2 (en) | 2009-02-16 | 2012-05-01 | Lg Innotek Co., Ltd. | Semiconductor light emitting device |
JP2012248795A (ja) * | 2011-05-31 | 2012-12-13 | Toshiba Corp | 半導体発光素子およびその製造方法 |
KR101861222B1 (ko) * | 2011-08-12 | 2018-05-28 | 서울바이오시스 주식회사 | 전극 연장부들을 갖는 발광 다이오드 |
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CN2733598Y (zh) * | 2004-10-08 | 2005-10-12 | 炬鑫科技股份有限公司 | 氮化镓系发光二极管的垂直电极结构 |
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2006
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- 2006-10-25 CN CNB2006101375363A patent/CN100466311C/zh not_active Expired - Fee Related
- 2006-10-25 CN CN2008101743379A patent/CN101399308B/zh not_active Expired - Fee Related
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JP2009043934A (ja) * | 2007-08-08 | 2009-02-26 | Toyoda Gosei Co Ltd | フリップチップ型発光素子 |
US8148736B2 (en) | 2007-08-08 | 2012-04-03 | Toyoda Gosei Co., Ltd. | Flip chip type light-emitting element |
US8168987B2 (en) | 2009-02-16 | 2012-05-01 | Lg Innotek Co., Ltd. | Semiconductor light emitting device |
JP2012248795A (ja) * | 2011-05-31 | 2012-12-13 | Toshiba Corp | 半導体発光素子およびその製造方法 |
US9147798B2 (en) | 2011-05-31 | 2015-09-29 | Kabushiki Kaisha Toshiba | Semiconductor light emitting element and method for manufacturing same |
KR101861222B1 (ko) * | 2011-08-12 | 2018-05-28 | 서울바이오시스 주식회사 | 전극 연장부들을 갖는 발광 다이오드 |
JP2020010056A (ja) * | 2019-09-11 | 2020-01-16 | 晶元光電股▲ふん▼有限公司Epistar Corporation | 半導体発光部品 |
Also Published As
Publication number | Publication date |
---|---|
CN100466311C (zh) | 2009-03-04 |
JP4655920B2 (ja) | 2011-03-23 |
CN101399308B (zh) | 2012-02-15 |
US20100308301A1 (en) | 2010-12-09 |
CN1988195A (zh) | 2007-06-27 |
CN101399308A (zh) | 2009-04-01 |
US7728340B2 (en) | 2010-06-01 |
US20070145381A1 (en) | 2007-06-28 |
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