CN109599473B - 发光装置 - Google Patents

发光装置 Download PDF

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Publication number
CN109599473B
CN109599473B CN201811129966.XA CN201811129966A CN109599473B CN 109599473 B CN109599473 B CN 109599473B CN 201811129966 A CN201811129966 A CN 201811129966A CN 109599473 B CN109599473 B CN 109599473B
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phosphor
less
mass
emitting device
color temperature
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Chinese (zh)
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CN109599473A (zh
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藤尾多茂
近藤匡毅
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Nichia Corp
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Nichia Corp
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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
    • 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
    • H10H20/8513—Wavelength conversion materials having two or more wavelength conversion materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/7734—Aluminates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77342—Silicates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77348—Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/77—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7774—Aluminates
    • 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
    • H10H20/822—Materials of the light-emitting regions
    • H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
    • H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
    • 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
    • H10H20/8506—Containers
    • 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
    • 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
    • H10H20/8515—Wavelength conversion means not being in contact with the bodies
    • 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
    • H10H20/852—Encapsulations
    • H10H20/854—Encapsulations characterised by their material, e.g. epoxy or silicone resins
    • 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
    • H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Led Device Packages (AREA)
CN201811129966.XA 2017-09-28 2018-09-27 发光装置 Active CN109599473B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017188523A JP6940764B2 (ja) 2017-09-28 2017-09-28 発光装置
JP2017-188523 2017-09-28

Publications (2)

Publication Number Publication Date
CN109599473A CN109599473A (zh) 2019-04-09
CN109599473B true CN109599473B (zh) 2023-02-28

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US (2) US10818827B2 (https=)
EP (1) EP3461873B1 (https=)
JP (1) JP6940764B2 (https=)
CN (1) CN109599473B (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102423748B1 (ko) * 2015-07-08 2022-07-22 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 발광장치
JP6940764B2 (ja) 2017-09-28 2021-09-29 日亜化学工業株式会社 発光装置
US10788709B2 (en) * 2018-10-30 2020-09-29 Innolux Corporation Lighting device
CN111755429B (zh) 2019-03-29 2024-07-09 日亚化学工业株式会社 发光装置
US10971660B2 (en) * 2019-08-09 2021-04-06 Eyesafe Inc. White LED light source and method of making same
JP7510068B2 (ja) * 2019-10-30 2024-07-03 日亜化学工業株式会社 照明灯具、調光制御システム
JP7824502B2 (ja) * 2020-03-31 2026-03-05 日亜化学工業株式会社 発光装置及びそれを備えた灯具
JP7185146B2 (ja) 2020-09-15 2022-12-07 日亜化学工業株式会社 発光装置
KR20220094290A (ko) 2020-12-28 2022-07-06 삼성전자주식회사 백색 발광장치 및 조명 장치
JP7464959B1 (ja) * 2022-12-27 2024-04-10 三菱ケミカル株式会社 発光装置、照明装置、画像表示装置及び車両用表示灯
CN119450844B (zh) * 2024-12-02 2025-11-28 中国计量科学研究院 发光二极管的峰值波长调整方法、装置、设备及介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101785120A (zh) * 2007-08-30 2010-07-21 日亚化学工业株式会社 发光装置
JP2016015523A (ja) * 2015-10-22 2016-01-28 住友大阪セメント株式会社 光半導体発光装置、照明器具、及び表示装置

Family Cites Families (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS607344B2 (ja) 1976-03-08 1985-02-23 株式会社東芝 カラー受像管
DE10026435A1 (de) 2000-05-29 2002-04-18 Osram Opto Semiconductors Gmbh Kalzium-Magnesium-Chlorosilikat-Leuchtstoff und seine Anwendung bei Lumineszenz-Konversions-LED
CN1203557C (zh) 2000-05-29 2005-05-25 电灯专利信托有限公司 基于发光二极管的发射白光的照明设备
AT410266B (de) 2000-12-28 2003-03-25 Tridonic Optoelectronics Gmbh Lichtquelle mit einem lichtemittierenden element
JP4976857B2 (ja) 2004-02-20 2012-07-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 放射線源および蛍光材料を有する照明システム
US7854859B2 (en) 2004-12-28 2010-12-21 Nichia Corporation Nitride phosphor, method for producing this nitride phosphor, and light emitting device that uses this nitride phosphor
JP2006253336A (ja) 2005-03-10 2006-09-21 Toyoda Gosei Co Ltd 光源装置
WO2006098450A1 (ja) 2005-03-18 2006-09-21 Mitsubishi Chemical Corporation 発光装置、白色発光装置、照明装置及び画像表示装置
KR100682874B1 (ko) 2005-05-02 2007-02-15 삼성전기주식회사 백색 ｌｅｄ
JP2007049114A (ja) 2005-05-30 2007-02-22 Sharp Corp 発光装置とその製造方法
CA2597697C (en) 2005-06-23 2014-12-02 Rensselaer Polytechnic Institute Package design for producing white light with short-wavelength leds and down-conversion materials
US8277687B2 (en) 2005-08-10 2012-10-02 Mitsubishi Chemical Corporation Phosphor and light-emitting device using same
JP2009167338A (ja) 2008-01-18 2009-07-30 Sharp Corp 波長変換部材およびこれを備える発光装置、ならびに蛍光体
JP2009206459A (ja) 2008-02-29 2009-09-10 Sharp Corp 色変換部材およびそれを用いた発光装置
US7990045B2 (en) 2008-03-15 2011-08-02 Sensor Electronic Technology, Inc. Solid-state lamps with partial conversion in phosphors for rendering an enhanced number of colors
US20090231832A1 (en) 2008-03-15 2009-09-17 Arturas Zukauskas Solid-state lamps with complete conversion in phosphors for rendering an enhanced number of colors
JP2009245981A (ja) 2008-03-28 2009-10-22 Toyota Central R&D Labs Inc Ｌｅｄ発光装置
JP5833918B2 (ja) 2009-02-26 2015-12-16 日亜化学工業株式会社 蛍光体及びその製造方法並びにこれを用いた発光装置
KR101077990B1 (ko) 2010-02-12 2011-10-31 삼성엘이디 주식회사 형광체, 발광장치, 면광원장치, 디스플레이 장치 및 조명장치
US8508127B2 (en) 2010-03-09 2013-08-13 Cree, Inc. High CRI lighting device with added long-wavelength blue color
KR101215342B1 (ko) 2010-09-20 2012-12-26 삼성전자주식회사 사이알론 형광체, 그 제조방법 및 이를 이용한 발광소자 패키지
US8404153B2 (en) 2010-12-17 2013-03-26 General Electric Company White persistent phosphor blend or layered structure
WO2012124267A1 (ja) * 2011-03-15 2012-09-20 株式会社 東芝 白色光源
EP3270425A1 (en) * 2011-04-22 2018-01-17 Kabushiki Kaisha Toshiba White light source and white light source system including the same
JP2013033916A (ja) 2011-06-28 2013-02-14 Sharp Corp 発光装置及びその製造方法
US8704440B2 (en) 2011-07-06 2014-04-22 Osram Sylvania Inc. LED lighting device having a phosphor composition
KR20130014256A (ko) 2011-07-29 2013-02-07 엘지이노텍 주식회사 발광 소자 패키지 및 이를 이용한 조명 시스템
TWI464241B (zh) 2011-08-02 2014-12-11 億光電子工業股份有限公司 螢光粉組成及使用該螢光粉組成的白色發光裝置
SI4044264T1 (sl) 2011-10-24 2024-04-30 Seoul Semiconductor Co., Ltd. Vir bele svetlobe in sistem vira bele svetlobe, ki uporablja vir bele svetlobe
JP6189217B2 (ja) * 2011-11-07 2017-08-30 株式会社東芝 白色光源およびそれを用いた白色光源システム
TW201320412A (zh) 2011-11-14 2013-05-16 長榮光電股份有限公司 發光二極體封裝
JP5927557B2 (ja) * 2012-05-11 2016-06-01 パナソニックＩｐマネジメント株式会社 照明装置
TWI497688B (zh) * 2012-12-27 2015-08-21 財團法人工業技術研究院 照明裝置及其光源模組
JP2014170082A (ja) 2013-03-02 2014-09-18 Masao Iijima Ｌｅｄ照明光フィルタ及びｌｅｄ照明装置
US9142732B2 (en) 2013-03-04 2015-09-22 Osram Sylvania Inc. LED lamp with quantum dots layer
KR102075982B1 (ko) 2013-03-15 2020-02-12 삼성전자주식회사 반도체 발광소자 패키지
JP6853614B2 (ja) 2013-03-29 2021-03-31 株式会社朝日ラバー Ｌｅｄ照明装置、その製造方法及びｌｅｄ照明方法
JPWO2015002139A1 (ja) 2013-07-03 2017-02-23 デンカ株式会社 蛍光体及び発光装置
KR20150007885A (ko) 2013-07-12 2015-01-21 엘지이노텍 주식회사 형광체 및 이를 구비한 발광 소자
JP6380826B2 (ja) 2013-09-20 2018-08-29 パナソニックＩｐマネジメント株式会社 光源装置
JP2015070866A (ja) * 2013-10-01 2015-04-16 パナソニックＩｐマネジメント株式会社 光源モジュール及び照明装置
CN108305929B (zh) 2013-10-02 2021-02-05 Glbtech株式会社 具有高显色性的白光发光装置
JP2015082596A (ja) * 2013-10-23 2015-04-27 株式会社東芝 発光装置
JP6195117B2 (ja) 2013-12-03 2017-09-13 パナソニックＩｐマネジメント株式会社 酸塩化物蛍光体、発光装置、照明装置、及び車両
JP6273463B2 (ja) 2013-12-03 2018-02-07 パナソニックＩｐマネジメント株式会社 蛍光体材料および発光装置
JP2015113358A (ja) 2013-12-09 2015-06-22 三菱化学株式会社 蛍光体、蛍光体含有組成物、発光装置、照明装置、画像表示装置、及び蛍光体の製造方法
JP6278305B2 (ja) * 2013-12-12 2018-02-14 パナソニックＩｐマネジメント株式会社 光源モジュール
JP6548104B2 (ja) * 2013-12-12 2019-07-24 パナソニックＩｐマネジメント株式会社 光源モジュール及び光源ユニット
JP2015115506A (ja) * 2013-12-12 2015-06-22 パナソニックＩｐマネジメント株式会社 照明光源
JP6528418B2 (ja) 2014-01-29 2019-06-12 日亜化学工業株式会社 蛍光体及びこれを用いた発光装置
JP6287268B2 (ja) 2014-01-29 2018-03-07 日亜化学工業株式会社 発光装置
JP6156440B2 (ja) * 2014-05-30 2017-07-05 日亜化学工業株式会社 赤色発光蛍光体及びこれを用いた発光装置
JP6365159B2 (ja) * 2014-09-16 2018-08-01 日亜化学工業株式会社 発光装置
JP6877342B2 (ja) * 2014-12-16 2021-05-26 シグニファイ ホールディング ビー ヴィＳｉｇｎｉｆｙ Ｈｏｌｄｉｎｇ Ｂ．Ｖ． 照明装置、照明システム、並びに前記照明装置及び前記照明システムの使用
RU2700375C2 (ru) * 2015-03-19 2019-09-16 Филипс Лайтинг Холдинг Б.В. Биологическая цветная лампа
US9735323B2 (en) * 2015-06-30 2017-08-15 Nichia Corporation Light emitting device having a triple phosphor fluorescent member
JP6526603B2 (ja) * 2015-06-30 2019-06-05 日亜化学工業株式会社 発光装置
JP6544082B2 (ja) 2015-06-30 2019-07-17 日亜化学工業株式会社 発光装置
JP6460040B2 (ja) * 2016-03-04 2019-01-30 日亜化学工業株式会社 発光装置
US10256374B2 (en) * 2016-03-04 2019-04-09 Nichia Corporation Light emitting device
JP2017183522A (ja) 2016-03-30 2017-10-05 サンケン電気株式会社 発光装置
JP6233668B2 (ja) 2016-06-01 2017-11-22 パナソニックＩｐマネジメント株式会社 光源装置
JP6940764B2 (ja) 2017-09-28 2021-09-29 日亜化学工業株式会社 発光装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101785120A (zh) * 2007-08-30 2010-07-21 日亚化学工业株式会社 发光装置
JP2016015523A (ja) * 2015-10-22 2016-01-28 住友大阪セメント株式会社 光半導体発光装置、照明器具、及び表示装置

Also Published As

Publication number Publication date
US20210013383A1 (en) 2021-01-14
US20190097098A1 (en) 2019-03-28
JP2019067808A (ja) 2019-04-25
CN109599473A (zh) 2019-04-09
US10818827B2 (en) 2020-10-27
EP3461873B1 (en) 2020-10-21
US11605761B2 (en) 2023-03-14
EP3461873A1 (en) 2019-04-03
JP6940764B2 (ja) 2021-09-29

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