JP6805897B2 - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP6805897B2 JP6805897B2 JP2017043303A JP2017043303A JP6805897B2 JP 6805897 B2 JP6805897 B2 JP 6805897B2 JP 2017043303 A JP2017043303 A JP 2017043303A JP 2017043303 A JP2017043303 A JP 2017043303A JP 6805897 B2 JP6805897 B2 JP 6805897B2
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- light emitting
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 97
- 238000000295 emission spectrum Methods 0.000 claims description 60
- 238000009877 rendering Methods 0.000 claims description 37
- 239000000126 substance Substances 0.000 claims description 8
- 239000006104 solid solution Substances 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 17
- 238000011156 evaluation Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 239000012190 activator Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920002050 silicone resin Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- GXGJIOMUZAGVEH-UHFFFAOYSA-N Chamazulene Chemical group CCC1=CC=C(C)C2=CC=C(C)C2=C1 GXGJIOMUZAGVEH-UHFFFAOYSA-N 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004954 Polyphthalamide Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920006375 polyphtalamide Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0233—Mounting configuration of laser chips
- H01S5/02345—Wire-bonding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/02218—Material of the housings; Filling of the housings
- H01S5/02234—Resin-filled housings; the housings being made of resin
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Led Device Packages (AREA)
- Luminescent Compositions (AREA)
Description
(発光装置の構成)
図1は、実施の形態に係る発光装置1の垂直断面図である。発光装置1は、凹部10aを有するケース10と、凹部10aの底部に露出するようにケース10に含まれるリードフレーム11と、リードフレーム11上に搭載された発光素子12と、リードフレーム11と発光素子12の電極を電気的に接続するボンディングワイヤー13と、凹部10a内に充填され、発光素子12を封止する封止樹脂14と、封止樹脂14中に含まれる粒子状の蛍光体15とを有する。
上記の実施の形態によれば、従来の発光装置よりも太陽光に近い演色性に優れた光を発する発光装置を提供することができる。
10 ケース
11 リードフレーム
12 発光素子
13 ボンディングワイヤー
14 封止樹脂
15 蛍光体
Claims (5)
- ピーク波長が411nm以上かつ421nm以下の光を発する発光素子と、
445nm以上かつ490nm以下のピーク波長を有する蛍光を発する第1の蛍光体、491nm以上かつ600nm以下のピーク波長を有する蛍光を発する第2の蛍光体、及び601nm以上かつ670nm以下のピーク波長を有する蛍光を発する第3の蛍光体を含む蛍光体と、
を有し、
前記発光素子のみの発光スペクトルと前記蛍光体のみの発光スペクトルが、71nm以上かつ81nm以下の重なり代を有して重なり、
前記重なり代は、前記発光素子のみの発光スペクトルにおけるピークの高さの0.1%の高さの点のうちの長波長側の点と、前記蛍光体のみの発光スペクトルにおける最も高いピークの高さの0.1%の高さの点のうちの短波長側の点との波長の差である、
発光装置。 - 前記重なり代が71nm以上かつ79nm以下である、
請求項1に記載の発光装置。 - 前記重なり代が73nm以上かつ75nm以下である、
請求項2に記載の発光装置。 - 色温度が5000〜6500Kの光を基準光としたときの演色評価数Rf、RgがそれぞれRf≧97、99≦Rg≦102を満たす光を発する、
請求項1〜3のいずれか1項に記載の発光装置。 - 前記第1の蛍光体として、2種のアルカリ土類ハロリン酸塩蛍光体を含み、
前記第2の蛍光体として、β−サイアロン蛍光体及びCa固溶α−サイアロン蛍光体を含み、
前記第3の蛍光体として、CASON蛍光体及びCASN蛍光体を含む、
請求項1〜4のいずれか1項に記載の発光装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017043303A JP6805897B2 (ja) | 2017-03-07 | 2017-03-07 | 発光装置 |
US15/820,180 US10381530B2 (en) | 2017-03-07 | 2017-11-21 | Light emitting device |
Applications Claiming Priority (1)
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---|---|---|---|
JP2017043303A JP6805897B2 (ja) | 2017-03-07 | 2017-03-07 | 発光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018148101A JP2018148101A (ja) | 2018-09-20 |
JP6805897B2 true JP6805897B2 (ja) | 2020-12-23 |
Family
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JP2017043303A Active JP6805897B2 (ja) | 2017-03-07 | 2017-03-07 | 発光装置 |
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Country | Link |
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US (1) | US10381530B2 (ja) |
JP (1) | JP6805897B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018093161A (ja) * | 2016-12-02 | 2018-06-14 | 豊田合成株式会社 | 発光装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6806030B2 (ja) * | 2017-10-24 | 2020-12-23 | 豊田合成株式会社 | 照明装置 |
WO2019139637A1 (en) * | 2018-01-11 | 2019-07-18 | Ecosense Lighting Inc. | Multi-channel systems for providing tunable light with high color rendering and biological effects |
US10991855B2 (en) * | 2018-04-16 | 2021-04-27 | Lextar Electronics Corporation | White light emitting device |
JP2020053664A (ja) * | 2018-09-20 | 2020-04-02 | 豊田合成株式会社 | 発光装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101562022B1 (ko) * | 2009-02-02 | 2015-10-21 | 삼성디스플레이 주식회사 | 발광 다이오드 유닛, 이를 포함하는 표시 장치 및 발광 다이오드 유닛 제조 방법 |
KR101331304B1 (ko) * | 2009-09-17 | 2013-11-20 | 도시바 마테리알 가부시키가이샤 | 백색 발광 램프 및 그것을 포함하는 백색 led 조명 장치 |
JP5370047B2 (ja) * | 2009-09-25 | 2013-12-18 | 三菱化学株式会社 | 白色発光装置のための演色性改善方法および白色発光装置 |
US8217406B2 (en) * | 2009-12-02 | 2012-07-10 | Abl Ip Holding Llc | Solid state light emitter with pumped nanophosphors for producing high CRI white light |
JP5105132B1 (ja) * | 2011-06-02 | 2012-12-19 | 三菱化学株式会社 | 半導体発光装置、半導体発光システムおよび照明器具 |
WO2014054290A1 (ja) * | 2012-10-04 | 2014-04-10 | 株式会社 東芝 | 白色発光装置、照明装置、および歯科用照明装置 |
JP2015082596A (ja) * | 2013-10-23 | 2015-04-27 | 株式会社東芝 | 発光装置 |
KR102184381B1 (ko) * | 2014-03-21 | 2020-11-30 | 서울반도체 주식회사 | 자외선 발광 다이오드를 이용한 발광 소자 및 이를 포함하는 조명장치 |
DE102014108188A1 (de) * | 2014-06-11 | 2015-12-17 | Osram Gmbh | Optoelektronisches Halbleiterbauteil |
JP6384302B2 (ja) | 2014-12-05 | 2018-09-05 | 日亜化学工業株式会社 | 発光装置 |
JP6106307B2 (ja) | 2016-04-12 | 2017-03-29 | シャープ株式会社 | 発光装置、並びに、当該発光装置を用いた照明器具及び表示装置 |
-
2017
- 2017-03-07 JP JP2017043303A patent/JP6805897B2/ja active Active
- 2017-11-21 US US15/820,180 patent/US10381530B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018093161A (ja) * | 2016-12-02 | 2018-06-14 | 豊田合成株式会社 | 発光装置 |
Also Published As
Publication number | Publication date |
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US10381530B2 (en) | 2019-08-13 |
JP2018148101A (ja) | 2018-09-20 |
US20180261733A1 (en) | 2018-09-13 |
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