KR100691177B1 - 백색 발광소자 - Google Patents
백색 발광소자 Download PDFInfo
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- KR100691177B1 KR100691177B1 KR1020050046478A KR20050046478A KR100691177B1 KR 100691177 B1 KR100691177 B1 KR 100691177B1 KR 1020050046478 A KR1020050046478 A KR 1020050046478A KR 20050046478 A KR20050046478 A KR 20050046478A KR 100691177 B1 KR100691177 B1 KR 100691177B1
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- light emitting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
- H01L25/0756—Stacked arrangements of devices
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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
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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
- H01L2224/42—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
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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
- H01L2224/42—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
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48245—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 metallic
- H01L2224/48247—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 metallic connecting the wire to a bond pad of the item
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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
- H01L2224/42—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
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48245—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 metallic
- H01L2224/48257—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 metallic connecting the wire to a die pad of the item
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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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49107—Connecting at different heights on the semiconductor or solid-state body
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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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/85909—Post-treatment of the connector or wire bonding area
- H01L2224/8592—Applying permanent coating, e.g. protective coating
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- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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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]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/018—Bonding of wafers
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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
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
- H10H20/8162—Current-blocking structures
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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
- H10H20/82—Roughened surfaces, e.g. at the interface between epitaxial layers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims (20)
- 전도성 서브마운트 기판;상기 서브마운트 기판 상에 금속층에 의해 접합되며, 아래로부터 p형 질화물 반도체층, 제1 활성층, n형 질화물 반도체층 및 전도성 기판이 순차적으로 적층되어 이루어진 제1 발광부;상기 전도성 기판 상면 중 일영역 상에 형성되며, 아래로부터 p형 AlGaInP계 반도체층, 제2 활성층 및 n형 AlGaInP계 반도체층이 순차적으로 적층되어 이루어진 제2 발광부; 및상기 전도성 서브마운트 기판의 하면과 상기 n형 AlGaInP계 반도체층 상면에 각각 형성된 p측 및 n측 전극을 포함하며,상기 p측 및 n측 전극은 상기 제1 및 제2 발광부의 공통전극이며,상기 제1 발광부의 p형 질화물 반도체층에는 상기 제2 발광부가 형성된 영역과 수직방향으로 중첩된 영역에 상기 서브마운트 기판과 접하는 표면을 따라 형성된 전류차단층을 더 포함하는 것을 특징으로 하는 백색 발광소자.
- 제1항에 있어서,상기 제1 발광부의 전도성 기판과 상기 제2 발광부의 p형 AlGaInP계 반도체층은 직접 웨이퍼 본딩에 의해 접합되는 것을 특징으로 하는 백색 발광소자.
- 삭제
- 제1항에 있어서,상기 전류차단층은 n형 불순물로 도핑된 영역으로 이루어진 것을 특징으로 하는 백색 발광소자.
- 제1항에 있어서,상기 전류차단층은 실리콘 산화막 또는 실리콘 질화막인 것을 특징으로 하는 백색 발광소자.
- 제1항에 있어서,상기 제1 발광부의 전도성 기판 중 상기 일영역에 형성된 절연층을 더 포함하며, 상기 절연층 상에 상기 제2 발광부의 p형 반도체층은 추가적인 금속층에 의해 접합되며,상기 추가적인 금속층에 접속된 p측 전극과 상기 전도성 기판 상에 접속된 n측 전극을 더 포함하는 것을 특징으로 하는 백색 발광소자.
- 제1항 또는 제6항에 있어서,상기 금속층 또는 상기 추가적인 금속층은 알루미늄(Al), 은(Ag), 로듐(Rh), 루테늄(Ru), 백금(Pt), 팔라듐(Pd) 및 그 합금으로 구성된 그룹으로부터 선택된 고 반사성 금속을 포함하는 것을 특징으로 백색 발광소자.
- 제1항에 있어서,상기 전도성 서브마운트 기판은 p형 실리콘 기판인 것을 특징으로 하는 백색 발광소자.
- 제1항에 있어서,상기 제2 발광부가 형성된 상면 면적은 상기 전도성 기판 중 나머지 영역의 상면 면적보다 작은 것을 특징으로 하는 백색 발광소자.
- 제1항에 있어서,상기 전도성 기판 중 상기 제2 발광부가 형성되지 않은 상면영역에는 요철패턴이 형성된 것을 특징으로 하는 백색 발광소자.
- 제1항에 있어서,상기 제1 활성층은 약 450∼475㎚의 파장광을 생성하며, 상기 제2 활성층은 약 550∼600㎚의 파장광을 생성하는 것을 특징으로 하는 백색 발광소자.
- 제1항에 있어서,상기 제1 활성층은 각각 약 450∼475㎚의 파장광과 약 510∼535㎚의 파장광 을 생성하는 2개의 활성층을 포함하며, 상기 제2 활성층은 약 600∼635㎚의 파장광을 생성하는 것을 특징으로 하는 백색 발광소자.
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050046478A KR100691177B1 (ko) | 2005-05-31 | 2005-05-31 | 백색 발광소자 |
JP2006150267A JP4699287B2 (ja) | 2005-05-31 | 2006-05-30 | 白色発光素子およびその製造方法 |
US11/442,961 US7514720B2 (en) | 2005-05-31 | 2006-05-31 | White light emitting device |
CNB2006100831000A CN100561759C (zh) | 2005-05-31 | 2006-05-31 | 白光发射器件 |
US12/399,619 US7935974B2 (en) | 2005-05-31 | 2009-03-06 | White light emitting device |
JP2010253685A JP5512493B2 (ja) | 2005-05-31 | 2010-11-12 | 白色発光素子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050046478A KR100691177B1 (ko) | 2005-05-31 | 2005-05-31 | 백색 발광소자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060124510A KR20060124510A (ko) | 2006-12-05 |
KR100691177B1 true KR100691177B1 (ko) | 2007-03-09 |
Family
ID=37462242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050046478A Expired - Lifetime KR100691177B1 (ko) | 2005-05-31 | 2005-05-31 | 백색 발광소자 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7514720B2 (ko) |
JP (2) | JP4699287B2 (ko) |
KR (1) | KR100691177B1 (ko) |
CN (1) | CN100561759C (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022119354A1 (ko) * | 2020-12-04 | 2022-06-09 | 서울바이오시스주식회사 | 혼색 발광 장치 |
Families Citing this family (66)
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CN1874017A (zh) | 2006-12-06 |
US7514720B2 (en) | 2009-04-07 |
US20090173955A1 (en) | 2009-07-09 |
JP5512493B2 (ja) | 2014-06-04 |
JP4699287B2 (ja) | 2011-06-08 |
JP2006339646A (ja) | 2006-12-14 |
US7935974B2 (en) | 2011-05-03 |
JP2011044733A (ja) | 2011-03-03 |
US20060267026A1 (en) | 2006-11-30 |
KR20060124510A (ko) | 2006-12-05 |
CN100561759C (zh) | 2009-11-18 |
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