KR100605211B1 - 형광체 및 이를 이용한 백색 발광다이오드 - Google Patents
형광체 및 이를 이용한 백색 발광다이오드 Download PDFInfo
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- KR100605211B1 KR100605211B1 KR1020040023695A KR20040023695A KR100605211B1 KR 100605211 B1 KR100605211 B1 KR 100605211B1 KR 1020040023695 A KR1020040023695 A KR 1020040023695A KR 20040023695 A KR20040023695 A KR 20040023695A KR 100605211 B1 KR100605211 B1 KR 100605211B1
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 118
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 81
- 229910004283 SiO 4 Inorganic materials 0.000 claims abstract description 22
- 229910017639 MgSi Inorganic materials 0.000 claims abstract description 11
- 239000004065 semiconductor Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
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- 229920002050 silicone resin Polymers 0.000 description 11
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 7
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 nitride compound Chemical class 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 239000012778 molding material Substances 0.000 description 1
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- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- H01L33/48—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 body packages
- H01L33/50—Wavelength conversion elements
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- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/77342—Silicates
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- 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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- 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
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- 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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- H01L2224/85909—Post-treatment of the connector or wire bonding area
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- 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
- H01L33/48—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 body packages
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Abstract
Description
Claims (12)
- 발광다이오드의 몰드 물질에 포함되는 형광체에 있어서,상기 형광체는,화합물 반도체에서 발생되는 광에 의하여 여기되어 550 ~ 600nm 영역에 주피크를 갖는 제 1 실리케이트계 형광체와,상기 화합물 반도체에서 발생되는 광에 의하여 여기되어 500 ~ 550nm영역에 주피크를 갖는 제 2 실리케이트계 형광체를 포함하는 것을 특징으로 하는 형광체.
- 제 1항에 있어서,상기 제 1 실리케이트계 형광체는,Sr3-xSiO5:Eu2+ x(0 < x ≤1)인 화학식을 갖는 것을 특징으로 하는 형광체.
- 제 1항에 있어서,상기 제 2 실리케이트계 형광체는,Ba2-xSiO4:Eu2+ x, Ca1-xMgSi2O7 :Eu2+ x 또는 Sr2-xSiO4:Eu2+ x(0.001≤x ≤1)중 어느 하나의 실리케이트계 형광체인 것을 특징으로 하는 형광체.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 제 1 실리케이트계 형광체와 제 2 실리케이트계 형광체의 비율은 1:1 ~ 1:9 또는 9:1 ~ 1:1인 것을 특징으로 하는 형광체.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 형광체의 입자의 크기는 d90≤20㎛, 5≤d50 ≤10㎛ 인 것을 특징으로 하는 형광체.
- 발광다이오드의 몰드 물질에 포함되는 형광체에 있어서,상기 형광체는,화합물 반도체에서 발생되는 광에 의하여 여기되는 화학식 Sr3-xSiO5:Eu2+ x(0 < x ≤1)인 제 1 실리케이트계 형광체와,상기 화합물 반도체에서 발생되는 광에 의하여 여기되는 화학식 Ba2-xSiO4:Eu2+ x , Ca1-xMgSi2O7:Eu 2+ x 또는 Sr2-xSiO4:Eu2+ x(0.001≤x ≤1)중 어느 하나의 제 2 실리케이트계 형광체를 포함하는 것을 특징으로 하는 형광체.
- 리드프레임과, 발광다이오드 칩과, 상기 리드프레임과 발광다이오드 칩의 통전을 위한 연결수단과, 상기 발광다이오드 칩 주위 전체를 몰딩한 광투과 수지를 포함하는 백색 발광다이오드에 있어서,상기 광투과 수지에는 Sr3-xSiO5:Eu2+ x(0 < x ≤1)인 제 1 실리케이트계 형광체와 Ba2-xSiO4:Eu2+ x , Ca1-xMgSi2O 7:Eu2+ x 또는 Sr2-xSiO4:Eu2+ x (0.001≤x ≤1)중 어느 하나의 제 2 실리케이트계 형광체가 포함된 것을 특징으로 하는 백색 발광다이오드.
- 제 7항에 있어서,상기 광투과 수지에 포함되는 제 1 실리케이트계 형광체와 제 2 실리케이트계 형광체의 비율은 1:1 ~ 1:9 또는 9:1 ~ 1:1인 것을 특징으로 하는 백색 발광다이오드.
- 제 8항에 있어서,상기 백색 발광다이오드가 탑뷰 방식의 경우에는, 상기 제 1 실리케이트계 형광체와 제 2 실리케이트계 형광체의 비율이 1:2 ~ 1:3인 것을 특징으로 하는 백색 발광다이오드.
- 제 8항에 있어서,상기 백색 발광다이오드가 사이드뷰 방식의 경우에는, 상기 제 1 실리케이트계 형광체와 제 2 실리케이트계 형광체의 비율이 1:3 ~ 1:4인 것을 특징으로 하는 백색 발광다이오드.
- 리드프레임과, 상기 리드프레임에 실장되는 발광다이오드 칩과, 상기 리드프레임과 발광다이오드 칩을 전기적으로 연결하기 위한 연결수단과, 상기 발광다이오드 칩 주위 전체를 몰딩한 다중구조의 광투과 수지를 포함하는 백색 발광다이오드에 있어서,상기 광투과 수지 중 적어도 어느 하나에는 Sr3-xSiO5:Eu2+ x(0 < x ≤1)인 제 1 실리케이트계 형광체와 Ba2-xSiO4:Eu2+ x, Ca1-xMgSi 2O7:Eu2+ x 또는 Sr2-xSiO4:Eu2+ x(0.001≤x ≤1)중 어느 하나의 제 2 실리케이트계 형광체가 포함된 것을 특징으로 하는 백색 발광다이오드.
- 제 11항에 있어서,상기 광투과 수지에 포함되는 제 1 실리케이트계 형광체와 제 2 실리케이트계 형광체의 비율은 1:1 ~ 1:9 또는 9:1 ~ 1:1인 것을 특징으로 하는 백색 발광다이오드.
Priority Applications (7)
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KR1020040023695A KR100605211B1 (ko) | 2004-04-07 | 2004-04-07 | 형광체 및 이를 이용한 백색 발광다이오드 |
US10/564,406 US7531956B2 (en) | 2004-04-07 | 2005-04-07 | Light emitting device and phosphor for the same |
CN2005800003757A CN1788361B (zh) | 2004-04-07 | 2005-04-07 | 发光器件及其磷光体 |
EP05733494A EP1733441B1 (en) | 2004-04-07 | 2005-04-07 | Light emitting device and phosphor for the same |
JP2006516970A JP2006527501A (ja) | 2004-04-07 | 2005-04-07 | 発光素子及び発光素子の蛍光体 |
DE602005024941T DE602005024941D1 (de) | 2004-04-07 | 2005-04-07 | Licht emittierendes bauelement und leuchtstoff dafür |
PCT/KR2005/001008 WO2005098972A1 (en) | 2004-04-07 | 2005-04-07 | Light emitting device and phosphor for the same |
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KR1020040023695A KR100605211B1 (ko) | 2004-04-07 | 2004-04-07 | 형광체 및 이를 이용한 백색 발광다이오드 |
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KR20050098462A KR20050098462A (ko) | 2005-10-12 |
KR100605211B1 true KR100605211B1 (ko) | 2006-07-31 |
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US (1) | US7531956B2 (ko) |
EP (1) | EP1733441B1 (ko) |
JP (1) | JP2006527501A (ko) |
KR (1) | KR100605211B1 (ko) |
CN (1) | CN1788361B (ko) |
DE (1) | DE602005024941D1 (ko) |
WO (1) | WO2005098972A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20170035807A (ko) | 2015-09-23 | 2017-03-31 | 한국화학연구원 | 금속불화물 적색 형광체 및 이를 이용한 발광소자 |
Families Citing this family (28)
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KR100658700B1 (ko) | 2004-05-13 | 2006-12-15 | 서울옵토디바이스주식회사 | Rgb 발광소자와 형광체를 조합한 발광장치 |
KR100665298B1 (ko) * | 2004-06-10 | 2007-01-04 | 서울반도체 주식회사 | 발광장치 |
US8308980B2 (en) | 2004-06-10 | 2012-11-13 | Seoul Semiconductor Co., Ltd. | Light emitting device |
KR100665299B1 (ko) | 2004-06-10 | 2007-01-04 | 서울반도체 주식회사 | 발광물질 |
US7601276B2 (en) * | 2004-08-04 | 2009-10-13 | Intematix Corporation | Two-phase silicate-based yellow phosphor |
DE102005005263A1 (de) * | 2005-02-04 | 2006-08-10 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Gelb emittierender Leuchtstoff und Lichtquelle mit derartigem Leuchtstoff |
US7276183B2 (en) * | 2005-03-25 | 2007-10-02 | Sarnoff Corporation | Metal silicate-silica-based polymorphous phosphors and lighting devices |
TWI403570B (zh) | 2005-08-10 | 2013-08-01 | Mitsubishi Chem Corp | 螢光體與其製造方法,含螢光體組成物,發光裝置及其用途 |
JP5118837B2 (ja) * | 2005-10-25 | 2013-01-16 | インテマティックス・コーポレーション | シリケート系オレンジ色蛍光体 |
KR101055772B1 (ko) | 2005-12-15 | 2011-08-11 | 서울반도체 주식회사 | 발광장치 |
KR100809639B1 (ko) * | 2006-02-20 | 2008-03-05 | 특허법인 맥 | 혼합 형광체 및 이를 이용한 백색 발광 장치 |
KR100735453B1 (ko) | 2006-02-22 | 2007-07-04 | 삼성전기주식회사 | 백색 발광 장치 |
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- 2005-04-07 CN CN2005800003757A patent/CN1788361B/zh active Active
- 2005-04-07 US US10/564,406 patent/US7531956B2/en active Active
- 2005-04-07 DE DE602005024941T patent/DE602005024941D1/de active Active
- 2005-04-07 JP JP2006516970A patent/JP2006527501A/ja active Pending
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KR20170035807A (ko) | 2015-09-23 | 2017-03-31 | 한국화학연구원 | 금속불화물 적색 형광체 및 이를 이용한 발광소자 |
US10961450B2 (en) | 2015-09-23 | 2021-03-30 | Korea Research Institute Of Chemical Technology | Metal fluoride red phosphor and light emitting element using same |
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US7531956B2 (en) | 2009-05-12 |
EP1733441A1 (en) | 2006-12-20 |
JP2006527501A (ja) | 2006-11-30 |
CN1788361B (zh) | 2013-02-06 |
EP1733441B1 (en) | 2010-11-24 |
EP1733441A4 (en) | 2009-08-12 |
US20060284185A1 (en) | 2006-12-21 |
KR20050098462A (ko) | 2005-10-12 |
DE602005024941D1 (de) | 2011-01-05 |
WO2005098972A1 (en) | 2005-10-20 |
CN1788361A (zh) | 2006-06-14 |
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