KR100576872B1 - 정전기 방전 방지기능을 갖는 질화물 반도체 발광소자 - Google Patents
정전기 방전 방지기능을 갖는 질화물 반도체 발광소자 Download PDFInfo
- Publication number
- KR100576872B1 KR100576872B1 KR20040074656A KR20040074656A KR100576872B1 KR 100576872 B1 KR100576872 B1 KR 100576872B1 KR 20040074656 A KR20040074656 A KR 20040074656A KR 20040074656 A KR20040074656 A KR 20040074656A KR 100576872 B1 KR100576872 B1 KR 100576872B1
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- South Korea
- Prior art keywords
- nitride semiconductor
- light emitting
- emitting device
- type nitride
- semiconductor layer
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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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- 150000004767 nitrides Chemical class 0.000 title claims abstract description 199
- 239000004065 semiconductor Substances 0.000 title claims abstract description 199
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 20
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 238000002310 reflectometry Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 14
- 230000003068 static effect Effects 0.000 abstract description 14
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 152
- 229910052594 sapphire Inorganic materials 0.000 description 6
- 239000010980 sapphire Substances 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000007740 vapor deposition Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910002704 AlGaN Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005566 electron beam evaporation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 125000002524 organometallic group Chemical group 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
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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
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/10—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00
-
- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
-
- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0556—Disposition
- H01L2224/05568—Disposition the whole external layer protruding from the surface
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- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/05573—Single external layer
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- 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
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- 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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
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Abstract
Description
Claims (7)
- 기판 상에 형성된 n형 질화물 반도체층;상기 n형 질화물 반도체층 상에 순차적으로 형성되며, 절연성 아이솔레이션에 의해 제1 영역과 제2 영역으로 분리된 활성층 및 p형 질화물 반도체층;상기 제1 영역의 p형 질화물 반도체층 상에 형성된 오믹콘택층;상기 오믹콘택층 상에 형성되어 상기 제2 영역의 p형 질화물 반도체층 상으로 연장된 p측 전극; 및상기 p측 전극과 이격되어 상기 제2 영역의 p형 질화물 반도체 상에 형성되며, 상기 제2 영역의 p형 질화물 반도체층과 활성층을 관통하여 상기 n형 질화물 반도체층에 접속된 n측 전극을 포함하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 p측 전극의 일함수는 상기 p형 질화물 반도체층의 일함수보다 작은 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항 또는 제2항에 있어서,상기 p측 전극은 Ti, Cr, Al, Cu 및 Au로 구성된 그룹으로부터 선택된 물질인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 제2 영역의 p형 질화물 반도체층과 상기 p측 전극 사이에 추가적으로 형성된 n형 질화물 반도체층을 더 포함하는 것을 특징으로 하는 질화물 반도체 발광소자
- 제4항에 있어서,상기 추가적으로 형성된 n형 질화물 반도체층은 50nm 내지 200nm의 두께를 갖는 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 오믹콘택층의 반사율은 70% 이상인 것을 특징으로 하는 질화물 반도체 발광소자.
- 제1항에 있어서,상기 오믹콘택층은 Ag, Ni, Al, Rh, Pd, Ir, Ru, Mg, Zn, Pt, Au 및 그 조합으로 구성된 그룹으로부터 선택된 물질로 이루어진 적어도 하나의 층을 포함하는 것을 특징으로 하는 질화물 반도체 발광소자.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20040074656A KR100576872B1 (ko) | 2004-09-17 | 2004-09-17 | 정전기 방전 방지기능을 갖는 질화물 반도체 발광소자 |
JP2005014518A JP4091049B2 (ja) | 2004-09-17 | 2005-01-21 | 静電気放電防止機能を有する窒化物半導体発光素子 |
US11/053,906 US7173288B2 (en) | 2004-09-17 | 2005-02-10 | Nitride semiconductor light emitting device having electrostatic discharge (ESD) protection capacity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20040074656A KR100576872B1 (ko) | 2004-09-17 | 2004-09-17 | 정전기 방전 방지기능을 갖는 질화물 반도체 발광소자 |
Publications (2)
Publication Number | Publication Date |
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KR20060025821A KR20060025821A (ko) | 2006-03-22 |
KR100576872B1 true KR100576872B1 (ko) | 2006-05-10 |
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Application Number | Title | Priority Date | Filing Date |
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KR20040074656A Expired - Fee Related KR100576872B1 (ko) | 2004-09-17 | 2004-09-17 | 정전기 방전 방지기능을 갖는 질화물 반도체 발광소자 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7173288B2 (ko) |
JP (1) | JP4091049B2 (ko) |
KR (1) | KR100576872B1 (ko) |
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KR101047708B1 (ko) * | 2009-10-28 | 2011-07-08 | 엘지이노텍 주식회사 | 발광 소자 및 그 제조방법 |
US12178088B2 (en) | 2021-04-09 | 2024-12-24 | Samsung Display Co., Ltd. | Display device including dummy pattern overlapping active pattern and method of providing the same |
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2004
- 2004-09-17 KR KR20040074656A patent/KR100576872B1/ko not_active Expired - Fee Related
-
2005
- 2005-01-21 JP JP2005014518A patent/JP4091049B2/ja not_active Expired - Fee Related
- 2005-02-10 US US11/053,906 patent/US7173288B2/en not_active Expired - Lifetime
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KR100967245B1 (ko) | 2007-07-25 | 2010-06-30 | 도요다 고세이 가부시키가이샤 | 발광 장치의 제조 방법 및 발광 장치 |
KR101047708B1 (ko) * | 2009-10-28 | 2011-07-08 | 엘지이노텍 주식회사 | 발광 소자 및 그 제조방법 |
US12178088B2 (en) | 2021-04-09 | 2024-12-24 | Samsung Display Co., Ltd. | Display device including dummy pattern overlapping active pattern and method of providing the same |
US12302704B2 (en) | 2021-06-28 | 2025-05-13 | Samsung Display Co., Ltd. | Transistor and display device including the same |
US12367802B2 (en) | 2021-08-26 | 2025-07-22 | Samsung Display Co., Ltd. | Display device and manufacturing method of the same |
US12277881B2 (en) | 2023-04-06 | 2025-04-15 | Samsung Display Co., Ltd. | Display panel and display device including the same |
Also Published As
Publication number | Publication date |
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JP4091049B2 (ja) | 2008-05-28 |
JP2006086489A (ja) | 2006-03-30 |
US7173288B2 (en) | 2007-02-06 |
KR20060025821A (ko) | 2006-03-22 |
US20060060880A1 (en) | 2006-03-23 |
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