JP6126624B2 - 離れたフォトルミネセンス変換器を組み合わせた白色led光源 - Google Patents
離れたフォトルミネセンス変換器を組み合わせた白色led光源 Download PDFInfo
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- 238000004381 surface treatment Methods 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000004614 tumor growth Effects 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- XSMMCTCMFDWXIX-UHFFFAOYSA-N zinc silicate Chemical compound [Zn+2].[O-][Si]([O-])=O XSMMCTCMFDWXIX-UHFFFAOYSA-N 0.000 description 1
- 235000019352 zinc silicate Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Luminescent Compositions (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
- 周知の3種類のコーン(色の日中視覚)とロッド(グレーの暗所視覚)に関するセンサーとなる光学的なもの、
- 最近発見された [4] 非光学的、または生物学的なチャンネルであり、血液中のメラトニンの分泌を制御する神経節細胞を含むメラノプシンに基づくものであり、それによって活発な状態やリラックスした状態を特定する。誤った照明および、すなわち、生化学的な血液組成の攪乱は、睡眠および精神状態を破壊する場合があり、長期的に晒されると、乳癌の発症を後押しする場合さえある。
- 発光スペクトル極大が450 nmで半値幅が72 nmのLiCaPO4:Eu、
- 発光スペクトル極大が460 nmで半値幅が75 nmのNaCaPO4:Eu、
- 発光スペクトル極大が468 nmで半値幅が80 nmのKCaPO4:Eu。
(項目a)
当該変換器と上記反射器の上記表面が、複数の平坦面またはセグメントで構成される光源。
(項目b)
当該一次放射光源の除熱ベースが、光反射器と一体化されている光源。
1.Yamada, K., Imai, Y. and Ishii K., "Optical Simulation of Light Source Devices Composed of Blue LEDs and YAG Phosphor," J. Light & Vis. Env. 27(2), 70-74 (2003).
2.Narendran, N., Gu. Y., Freyssinier, J., Zhu, Y., "Extracting Phosphor-scattered Photons to Improve White LED Efficiency," Phys. Stat. Sol. (a) 202(6), R60-R62 (2005).
3.Zhu Y., N. Narendran, and Y. Gu. "Investigation of the optical properties of YAG:Ce phosphor". Sixth International Conference on Solid State Lighting. Proceedings of SPIE. 6337, 63370S (2006).
4.G.C.Brainard, J.P.Hanifin, J.M.Greeson et al. J.of Neuroscience 21(16), 6405 (2001)
5.Fabio Falchi, Pierantonio Cinzano, Christopher D. Elvidge, David M. Keith, Abraham Haim, "Limiting the impact of light pollution on human health, environment and stellar visibility". Journal of Environmental Management, v.92, N10, pp.2714-2722 (2011).
6.Hollan J. 2004. Metabolisminfluencing light: measurement by digital cameras. Poster at "Cancer and Rhythm", Oct.14-16, Graz, Austria, 2004. (http://amper.ped.muni.cz/noc/english/canc_rhythm/g_camer.pdf)
7.特許第US7250715B2号。
Claims (15)
- 1つまたは複数のLEDを含む一次放射光源と、前記LEDが取り付けられる表面を有する除熱ベースと、変換材料層として作られる一次放射光変換器であってその表面に前記LEDから射し込む一次放射光を二次放射光に変換する一次放射光変換器と、前記LEDおよび一次放射光変換器から射し込む放射光を反射する表面を有する反射器を備え、前記反射器と前記一次放射光変換器が前記一次放射光源から離れて取り付けられており、前記一次放射光変換器が前記一次放射光源と前記反射器との間で前記反射器の表面に取り付けられている光源であって、前記光源は、フォトルミネセンス材料の層として作られる第2変換器を備えて、その表面に前記一次放射光変換器と前記反射器から射し込む放射光を三次放射光に変換し、さらにここで、前記除熱ベースは、放射光出力開口部を有して、前記放射光出力開口部の周囲に前記LEDおよび前記一次放射光変換器が前記反射器と共に前記除熱ベース上に取り付けられており、さらにここで、前記LEDによって照射される前記一次放射光変換器の表面および前記反射器の表面が凹形状であり、当該凹形状が前記一次放射光源と前記出力開口部を向いており、かつ前記第2変換器は平坦または凸形状であり、前記出力開口部内または前記出力開口部に対して前記一次放射光変換器および前記反射器とは反対側に取り付けられており、ここでLED発光スペクトルは、当該一次放射光変換器のフォトルミネセンス材料の励起スペクトル領域内であり、当該一次放射光変換器のフォトルミネセンス材料の発光スペクトルの極大が当該第2変換器のフォトルミネセンス材料の励起スペクトル領域内である、光源。
- 当該LED発光スペクトルが、当該一次放射光変換器の材料励起スペクトル極大の両側において当該一次放射光変換器の材料励起スペクトルの半値幅に等しいスペクトル領域内であり、かつ当該一次放射光変換器のフォトルミネセンス材料の発光スペクトル極大が、当該第2変換器の材料励起スペクトル極大の両側において当該第2変換器の材料励起スペクトルの半値幅に等しいスペクトル領域内である、請求項1に記載の光源。
- 第2変換器がフォトルミネセンス材料から作られており、その励起スペクトル極大が450-470 nm範囲内であり、かつ当該一次放射光変換器が一材料で作られており、その励起スペクトルが紫または近紫外線領域にあり、その発光スペクトル極大が450-470 nm範囲内である、請求項1または2に記載の光源。
- 当該一次放射光変換器のフォトルミネセンス材料が、BaMgAl10O17:Eu2+; MgSrSiO4:Eu2+; (Sr,Ba,Ca)5(PO4)3Cl:Eu2+; (Sr1-х-aBa)J3MgSi2O8:Eua (a=0.002-0.2,x=0.0-1.0); (Sr1-x-aSr)2P2O7:Eua (a=0.002-0.2, x=0.0-1.0); (Sr1-x-aBax)A114O25:Eua (a=0.002-0.2, x=0.0-1.0); La1-aSi3N5:Cea (a=0.002-0.5); (Y1-a)2SiO5:Cea (a=0.002-0.5); および (Ba1-х-aSrx)MgAl10O17:Eua (a=0.01-0.5, x-0.0-0.5)、またはこれらの混合物を含むグループから選択される、請求項1から3の何れか1項に記載の光源。
- 当該一次放射光変換器のフォトルミネセンス材料が、一般式 (Mg,Ca,Sr)2(PO4)Cl:Eu+2であり、(Mg: 0.05-0.2; Ca: 0.6-0.8; Sr: 0.01-0.2) かつЕu+2濃度が0.5%から10%である、請求項2に記載の光源。
- 当該第2変換器のフォトルミネセンス材料が、Y2O3:Eu3+; CeMgAl11O19:Tb3+; (ランタニド)PO4:Ce3+,Tb3+; GdMgB5O10:Ce3+,Tb3; YAG:Ce3+; YAG:Ho3+; YAG:Pr3+; (Ba1.65Sr0.2Mg0.1Eu0.05)SiO4; (Ba0.2Sr1.54Mg0.2Eu0.06) SiO4; (Ba,Ca,Zn,Eu)2S4 (Ba 0.9-1.4; Ca 0.9-0.4; Zn 0.05-0.15; Eu 0.02-0.05); SrGa2S4; (Sr,Мg,Ca,Ba)(Ga,Аl,In)2S4; SrS; SrGa2S4:Eu2+; SrGa2S4:Ce3+; SrS:Eu2+; (Sr1-a-b-c BabCac)2Si5N8:Eua (a=0.002-0.2, b=0.0-1.0, c=0.0-1.0); (Ca1-x-aSrx)S:Eua, (a=0.0005-0.01, x=0.0-1.0); Са1-а SiN2:Eua (a=0.002-0.2); および (Ba1-x-aCax) Si7N10:Eua (a=0.002-0.2, x=0.0-0.25); (Ba: 0.9-1.4; Ca: 0.9-0.4; Zn: 0.05-0.15; Eu: 0.02-0.05)、またはこれらの混合物を含むグループから選択される、請求項2に記載の光源。
- 一次放射光変換器のフォトルミネセンス材料が、LiCaPO4:Eu; NaCaPO4:Eu; KCaPO4:Eu; (Ba0.9Ca0.9Zn0.15Eu0.05)2S4を含むグループから選択されて、かつ第2変換器のフォトルミネセンス材料が、YAG:Ce3+; (Ba0.2Sr1.54Mg0.2Eu0.06) SiO4; (Ba,Ca,Zn,Eu)2S4 (Ba 0.9-1.4; Ca 0.9-0.4; Zn 0.05-0.15; Eu 0.02-0.05)、例 (Ba0.9Ca0.9Zn0.15Eu0.05)2S4、またはこれらの混合物を含むグループから選択される、請求項3に記載の光源。
- 前記一次放射光変換器と前記反射器の表面が、軸対称の形状に形成されて、除熱ベースの前記出力開口部の平面に平行な平面によって切断される、たとえば、回転楕円体、特に、球体または放物体であり、主軸が当該除熱ベースの前記出力開口部の平面に垂直な、請求項1から7の何れか1項に記載の光源。
- 前記一次放射光変換器と前記反射器の表面が、表面対称形に形成されて、除熱ベースの前記出力開口部の平面に平行な平面によって切断される、たとえば、円筒形であり、対称軸が当該除熱ベースの前記出力開口部の平面に垂直な、請求項1から8の何れか1項に記載の光源。
- 前記除熱ベースが、前記出力開口部への一次放射光の直接的発生を遮る突出部を備え、第2変換器へと差し向ける、請求項1に記載の光源。
- 前記反射器の表面が、リブの付いた外面を有する除熱放熱器の内面である、請求項1から10の何れか1項に記載の光源。
- 一次放射光により照射される凹面の反対側の当該一次放射光変換器の凸面、および当該反射器の凹面が、光学的に透明な媒体で分離される、請求項1から11の何れか1項に記載の光源。
- 前記除熱ベースの前記突出部が、平坦なミラー部を備え、そこに当たる一次放射光を当該一次放射光変換器の向き合う面に差し向ける、請求項10に記載の光源。
- 各発光ダイオードの放射指向性の軸と前記反射器の対称軸との交差する角度が、90度と各前記発光ダイオードの光の分布の半値幅との間の差に等しいかそれ未満となるように当該発光ダイオードが当該除熱ベースに固定される、請求項8または9に記載の光源。
- 各発光ダイオードの放射指向性の軸が前記反射器の対称軸と平行または小さな角を成すように発光ダイオードが除熱ベースに固定され、前記一次放射光変換器の表面と発光ダイオードとの間の前記除熱ベースが傾斜した反射ミラー部を備えて、そこに当たる一次放射光を当該一次放射光変換器の向き合う面に差し向ける、請求項8または9に記載の光源。
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-
2011
- 2011-12-30 RU RU2011154397/07A patent/RU2502917C2/ru not_active IP Right Cessation
-
2012
- 2012-12-19 CN CN201280070399.XA patent/CN104272014B/zh not_active Expired - Fee Related
- 2012-12-19 JP JP2014550238A patent/JP6126624B2/ja active Active
- 2012-12-19 WO PCT/RU2012/001083 patent/WO2013100815A2/ru active Application Filing
- 2012-12-19 US US14/369,747 patent/US20140362557A1/en not_active Abandoned
- 2012-12-19 KR KR1020147021431A patent/KR20140128979A/ko not_active Application Discontinuation
- 2012-12-19 CA CA2865884A patent/CA2865884A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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CA2865884A1 (en) | 2013-07-04 |
CN104272014A (zh) | 2015-01-07 |
US20140362557A1 (en) | 2014-12-11 |
CN104272014B (zh) | 2016-08-24 |
RU2011154397A (ru) | 2013-07-10 |
RU2502917C2 (ru) | 2013-12-27 |
WO2013100815A2 (ru) | 2013-07-04 |
WO2013100815A3 (ru) | 2013-09-26 |
JP2015508572A (ja) | 2015-03-19 |
KR20140128979A (ko) | 2014-11-06 |
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