JP5858633B2 - 発光素子、発光素子パッケージ - Google Patents
発光素子、発光素子パッケージ Download PDFInfo
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- JP5858633B2 JP5858633B2 JP2011081407A JP2011081407A JP5858633B2 JP 5858633 B2 JP5858633 B2 JP 5858633B2 JP 2011081407 A JP2011081407 A JP 2011081407A JP 2011081407 A JP2011081407 A JP 2011081407A JP 5858633 B2 JP5858633 B2 JP 5858633B2
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- 239000004065 semiconductor Substances 0.000 description 45
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 239000011787 zinc oxide Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
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- 229910002704 AlGaN Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- -1 aluminium tin oxide Chemical compound 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
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- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
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- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- HRHKULZDDYWVBE-UHFFFAOYSA-N indium;oxozinc;tin Chemical compound [In].[Sn].[Zn]=O HRHKULZDDYWVBE-UHFFFAOYSA-N 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
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- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
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- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
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- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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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
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
- H10H20/835—Reflective 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
- H10H20/83—Electrodes
- H10H20/831—Electrodes characterised by their shape
- H10H20/8316—Multi-layer electrodes comprising at least one discontinuous layer
-
- 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
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1203—Rectifying Diode
- H01L2924/12032—Schottky diode
-
- 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
- H10H20/018—Bonding of wafers
-
- 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
- H10H20/032—Manufacture or treatment of electrodes
-
- 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
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
- H10H20/8162—Current-blocking 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
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/82—Roughened surfaces, e.g. at the interface between epitaxial layers
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
伝導性支持基板175の厚さは、発光素子100の設計によって異なるが、例えば、30μm〜500μmの厚さを有しても良い。
前述したように、実施形態による照明システムは、実施形態による発光素子パッケージを含むことで信頼性を向上させることができる。
110 第1導電型の半導体層
112 ラフネスパターン
115 電極
120 活性層
130 第2導電型の半導体層
135 発光構造層
140 保護層
145 電流遮断層
146 第1の電流ガイド層
147 第2の電流ガイド層
149 第3の電流ガイド層
150 オーミックコンタクト層
160 反射層
170 接合層
175 伝導性支持基板
180 パッシベーション層
Claims (14)
- 伝導性支持基板と、
前記伝導性支持基板上のオーミックコンタクト層及び電流遮断層と、
前記オーミックコンタクト層及び前記電流遮断層上の発光構造層と、
前記発光構造層上で前記電流遮断層と少なくとも一部分がオーバーラップする電極と、
前記電流遮断層と前記伝導性支持基板の間で前記電流遮断層と少なくとも一部分がオーバーラップする第1の電流ガイド層と、
前記第1の電流ガイド層と前記オーミックコンタクト層との間に配置される電気伝導性の反射層と、
を含み、
前記第1の電流ガイド層は、前記電気伝導性の反射層と垂直方向にオーバーラップすることを特徴とする発光素子。 - 前記第1の電流ガイド層は、比抵抗が5×10−4Ωm以上で形成される請求項1に記載の発光素子。
- 前記第1の電流ガイド層の水平方向の幅は、前記電流遮断層の水平方向の幅より大きい請求項1に記載の発光素子。
- 前記第1の電流ガイド層は、前記電気伝導性の反射層内に配置される請求項1から3のいずれか一項に記載の発光素子。
- 前記電気伝導性の反射層と前記伝導性支持基板の間に配置される接合層をさらに含む請求項1から3のいずれか一項に記載の発光素子。
- 前記接合層と前記伝導性支持基板の間に配置される第2の電流ガイド層をさらに含み、
前記第2の電流ガイド層の少なくとも一部分は、前記電流遮断層及び前記第1の電流ガイド層と垂直方向にオーバーラップする請求項5に記載の発光素子。 - 前記第1の電流ガイド層の縁と前記電流遮断層の縁との間の水平方向の距離は、前記第1の電流ガイド層と前記電流遮断層との間の距離よりも大きい請求項1から6のいずれか一項に記載の発光素子。
- 前記電流遮断層は、前記オーミックコンタクト層より電気伝導性の低い物質、前記発光構造層とショットキー接触を形成する物質、または電気絶縁性物質のうち何れか一つを含む請求項1から7のいずれか一項に記載の発光素子。
- 前記電流遮断層は、前記オーミックコンタクト層上に配置される請求項1から8のいずれか一項に記載の発光素子。
- 前記伝導性支持基板上の縁領域に配置された保護層と、
前記伝導性支持基板と前記保護層の間に、前記保護層と離隔して前記保護層と少なくとも一部分がオーバーラップする第3の電流ガイド層と、
を含み、
前記第3の電流ガイド層は、前記保護層の水平方向の幅より大きい水平方向の幅を有する請求項1から9のいずれか一項に記載の発光素子。 - 前記第3の電流ガイド層は、比抵抗が5×10−4Ωm以上で形成される請求項10に記載の発光素子。
- 前記発光構造層と前記保護層の下に配置される接合層をさらに含み、前記第2の電流ガイド層は、前記接合層と前記伝導性支持基板の間に配置される請求項10または11に記載の発光素子。
- 前記第3の電流ガイド層は、前記発光構造層の側面に形成された傾斜面と少なくとも一部分が垂直方向に重畳する請求項10に記載の発光素子。
- パッケージ本体と、
前記パッケージ本体に設けられた第1の電極層及び第2の電極層と、
前記第1の電極層及び前記第2の電極層に電気的に接続された請求項1から請求項13のいずれか一項に記載された発光素子と、
を含む発光素子パッケージ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100034858A KR101014071B1 (ko) | 2010-04-15 | 2010-04-15 | 발광 소자, 발광 소자 제조방법, 발광 소자 패키지 및 조명 시스템 |
KR10-2010-0034858 | 2010-04-15 |
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JP2015244117A Division JP6199948B2 (ja) | 2010-04-15 | 2015-12-15 | 発光素子、発光素子パッケージ |
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JP2011228696A JP2011228696A (ja) | 2011-11-10 |
JP5858633B2 true JP5858633B2 (ja) | 2016-02-10 |
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JP2011081407A Active JP5858633B2 (ja) | 2010-04-15 | 2011-04-01 | 発光素子、発光素子パッケージ |
JP2015244117A Active JP6199948B2 (ja) | 2010-04-15 | 2015-12-15 | 発光素子、発光素子パッケージ |
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Country Status (6)
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US (1) | US8415700B2 (ja) |
EP (1) | EP2378573B1 (ja) |
JP (2) | JP5858633B2 (ja) |
KR (1) | KR101014071B1 (ja) |
CN (1) | CN102222744B (ja) |
TW (1) | TWI553904B (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101838017B1 (ko) * | 2011-05-24 | 2018-03-13 | 엘지이노텍 주식회사 | 발광 소자 및 발광 소자 패키지 |
KR101865918B1 (ko) * | 2011-06-27 | 2018-06-08 | 엘지이노텍 주식회사 | 발광소자, 발광 소자 제조방법 및 발광 소자 패키지 |
KR101873589B1 (ko) * | 2011-10-21 | 2018-07-02 | 엘지이노텍 주식회사 | 발광소자, 발광소자 패키지 및 라이트 유닛 |
JP2013102068A (ja) * | 2011-11-09 | 2013-05-23 | Stanley Electric Co Ltd | 窒化物半導体発光素子及びその製造方法 |
JP5912442B2 (ja) * | 2011-11-17 | 2016-04-27 | スタンレー電気株式会社 | 半導体発光装置および半導体発光装置の製造方法 |
KR101286210B1 (ko) | 2012-03-12 | 2013-07-15 | 고려대학교 산학협력단 | 발광 소자 및 그 제조 방법 |
DE102012102420B4 (de) | 2012-03-21 | 2022-03-03 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zur Herstellung eines optoelektronischen Halbleiterbauteils |
KR101886156B1 (ko) * | 2012-08-21 | 2018-09-11 | 엘지이노텍 주식회사 | 발광소자 |
JP6068091B2 (ja) * | 2012-10-24 | 2017-01-25 | スタンレー電気株式会社 | 発光素子 |
KR102075988B1 (ko) | 2013-09-25 | 2020-03-02 | 삼성전자주식회사 | 반도체 발광소자 제조방법 |
KR102140278B1 (ko) * | 2014-04-18 | 2020-07-31 | 엘지이노텍 주식회사 | 발광 소자 |
JP2016092235A (ja) * | 2014-11-05 | 2016-05-23 | ウシオ電機株式会社 | 半導体発光素子 |
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EP2378573A2 (en) | 2011-10-19 |
US8415700B2 (en) | 2013-04-09 |
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