KR101670947B1 - 스트론튬 옥시오소실리케이트 유형의 형광체를 갖는 발광 장치 - Google Patents
스트론튬 옥시오소실리케이트 유형의 형광체를 갖는 발광 장치 Download PDFInfo
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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
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8511—Wavelength conversion means characterised by their material, e.g. binder
- H10H20/8512—Wavelength conversion materials
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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
- H10H20/85—Packages
- H10H20/858—Means for heat extraction or cooling
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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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- 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
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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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- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
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Abstract
Description
도 2는 본 발명의 다른 실시예에 따른 발광 장치(200)를 설명하기 위한 단면도이다.
도 3은 본 발명의 또 다른 실시예에 따른 발광 장치(300)를 설명하기 위한 단면도이다.
도 4는 본 발명의 또 다른 실시예에 따른 발광 장치(400)를 설명하기 위한 단면도이다.
도 5는 본 발명의 또 다른 실시예에 따른 발광 장치(500)를 설명하기 위한 단면도이다.
도 6은 상이한 조성을 갖는 Sr3Sio5 : Eu 형광체의 X-레이 회절 다이어그램이다.
도 7은 선택적으로 매우 낮은 Ca 분율을 갖는 발광체와 비교 발광체의 방출 스펙트럼이다.
도 8은 상이한 결정상(crystallographic phases)으로 형성된 회절 다이어그램으로부터 계산된 격자 상수 및 분율을 나타낸 표 1이다.
도 9는 낮은 Ca 분율을 갖는 전형적 형광체와 비교 재료들의 광학적 및 성능 파라미터들을 나타낸 표 2이다.
도 10은 낮은 Ca 분율을 갖는 본 발명에 따른 옥시오소실리케이트 형광체와 실리케이트 혼합 상의 습기 안정성 조사 결과를 나타낸 표 3이다.
Claims (16)
- 발광 다이오드; 및
상기 발광 다이오드 주위에 배치되어 상기 발광 다이오드로부터 방출된 광의 적어도 일부를 흡수하여 흡수광과 다른 파장의 광을 방출하는 형광체를 포함하고,
상기 형광체는 일반식 Sr3-x-y-zCaxMII ySiO5 : Euz 를 갖는 실리케이트 형광체이고,
MII 는 마그네슘(Mg), 바륨(Ba), 구리(Cu), 아연(Zn) 및 망간(Mn)으로 이루어진 군에서 선택된 2가 금속 이온을 나타내고,
0<x≤0.05, 0≤y≤0.5, 및 z≤0.25인 것을 특징으로 하는 발광 장치. - 삭제
- 삭제
- 발광 다이오드; 및
상기 발광 다이오드 주위에 배치되어 상기 발광 다이오드로부터 방출된 광의 적어도 일부를 흡수하여 흡수광과 다른 파장의 광을 방출하는 형광체를 포함하고,
상기 형광체는 일반식 Ba3-x-zCaxSiO5 : Euz 를 갖는 실리케이트 형광체이고,
0<x≤0.05, 0≤y≤0.5, 및 z≤0.25인 것을 특징으로 하는 발광 장치. - 청구항 1에 있어서, 상기 형광체는 활성체로서 유로퓸에 더하여, 2가 희토류 금속 이온 또는 3가 희토류 금속 이온을 더 포함하는 발광 장치.
- 청구항 5에 있어서, 상기 2가 희토류 금속 이온 활성체는 사마륨 또는 이테르븀 이온인 것을 특징으로 하는 발광 장치.
- 청구항 5에 있어서, 상기 3가 희토류 금속 이온 활성체는 세륨 이온 (Ce3+) 인 것을 특징으로 하는 발광 장치.
- 청구항 1에 있어서, 상기 발광 다이오드에서 방출된 광과 상기 형광체에서 방출된 광의 혼합에 의해 백색광 또는 요구되는 색상의 광이 구현되는 발광 장치.
- 청구항 1에 있어서, 상기 형광체는 560 내지 620nm 사이에 발광 피크 파장을 갖는 광을 방출하는 발광 장치.
- 청구항 1에 있어서, 상기 발광 다이오드 및 상기 형광체는 하나의 패키지 내에 결합되어 있는 발광 장치.
- 청구항 10에 있어서, 상기 패키지 내에 결합된 다른 발광 다이오드를 더 포함하되, 상기 다른 발광 다이오드는 상기 형광체의 발광 피크 파장보다 더 장파장의 광을 방출하는 발광 장치.
- 청구항 10에 있어서, 상기 패키지는 기판을 포함하고,
상기 발광 다이오드는 상기 기판 상에 실장된 발광 장치. - 청구항 12에 있어서, 상기 기판은 인쇄회로기판 또는 리드프레임을 포함하는 발광 장치.
- 청구항 13에 있어서, 상기 기판 상에서 상기 발광 다이오드를 봉지하는 몰딩부를 더 포함하고,
상기 형광체는 상기 몰딩부 내에 분포되어 있는 발광 장치. - 청구항 10에 있어서, 상기 패키지는 히트싱크를 포함하고,
상기 발광 다이오드는 상기 히트싱크 상에 실장된 발광 장치. - 청구항 1에 있어서, 상기 발광 다이오드는 복수개의 발광셀들을 갖는 발광 다이오드인 것을 특징으로 하는 발광 장치.
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JP2012545843A JP5748769B2 (ja) | 2009-12-21 | 2010-12-14 | ストロンチウムオキシオルトシリケート型の蛍光体を有する発光装置 |
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CN201080058655.4A CN102666781B (zh) | 2009-12-21 | 2010-12-14 | 具有氧正硅酸锶型磷光体的发光装置 |
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US12/972,996 US8963173B2 (en) | 2009-12-21 | 2010-12-20 | Light emitting device having strontium oxyorthosilicate type phosphors |
TW099144790A TWI456030B (zh) | 2009-12-21 | 2010-12-20 | 具有氧矽酸鍶型磷光體的發光元件 |
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