JP2018518823A - 青色顔料を有する青色発光蛍光体変換led - Google Patents
青色顔料を有する青色発光蛍光体変換led Download PDFInfo
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- 239000001055 blue pigment Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 94
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 9
- 229910052693 Europium Inorganic materials 0.000 claims description 6
- 238000010586 diagram Methods 0.000 claims description 6
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 6
- 239000002223 garnet Substances 0.000 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- -1 alkaline earth metal orthosilicate Chemical class 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 31
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 30
- 239000000049 pigment Substances 0.000 description 30
- 230000004907 flux Effects 0.000 description 16
- 238000010521 absorption reaction Methods 0.000 description 11
- 239000002002 slurry Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 6
- 229910052684 Cerium Inorganic materials 0.000 description 5
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 238000000295 emission spectrum Methods 0.000 description 4
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- 239000000758 substrate Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 229910052733 gallium Inorganic materials 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
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- 241000894007 species Species 0.000 description 2
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- AODQPPLFAXTBJS-UHFFFAOYSA-M victoria blue 4R Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC(=CC=1)N(C)C)=C(C=C1)C2=CC=CC=C2C1=[N+](C)C1=CC=CC=C1 AODQPPLFAXTBJS-UHFFFAOYSA-M 0.000 description 2
- LLWJPGAKXJBKKA-UHFFFAOYSA-N victoria blue B Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC(=CC=1)N(C)C)=C(C=C1)C2=CC=CC=C2C1=[NH+]C1=CC=CC=C1 LLWJPGAKXJBKKA-UHFFFAOYSA-N 0.000 description 2
- JEVGKYBUANQAKG-UHFFFAOYSA-N victoria blue R Chemical compound [Cl-].C12=CC=CC=C2C(=[NH+]CC)C=CC1=C(C=1C=CC(=CC=1)N(C)C)C1=CC=C(N(C)C)C=C1 JEVGKYBUANQAKG-UHFFFAOYSA-N 0.000 description 2
- 235000005940 Centaurea cyanus Nutrition 0.000 description 1
- 240000004385 Centaurea cyanus Species 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 229910002420 LaOCl Inorganic materials 0.000 description 1
- 229910007991 Si-N Inorganic materials 0.000 description 1
- 229910006294 Si—N Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000004310 photopic vision Effects 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- VVLFAAMTGMGYBS-UHFFFAOYSA-M sodium;4-[[4-(ethylamino)-3-methylphenyl]-(4-ethylimino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-3-sulfobenzenesulfonate Chemical compound [Na+].C1=C(C)C(NCC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S(O)(=O)=O)=C1C=C(C)C(=NCC)C=C1 VVLFAAMTGMGYBS-UHFFFAOYSA-M 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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- 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
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- 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, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7774—Aluminates
-
- 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
- F21K9/20—Light sources comprising attachment means
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
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- 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
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
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- 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
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- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Led Device Packages (AREA)
- Luminescent Compositions (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
x=0.02且つy=0.4とした15.4wt%の(Lu(1−x),Cex)3(Al(1−y),Gay)5O12を、1wt%のシリカとともに、シリコーン中に混ぜることによって、蛍光体スラリーを作製した(重量分率は全て、マトリクス材料のシリコーン質量に対して計算されている)。このスラリーを、455.5nmの主波長の青色発光LEDを備えたミッドパワー3535Lパッケージをスラリーでディスペンスするのに用いたところ、図3cに示す色点(青色顔料なし:丸)に到達した。同じスラリーに、0.28wt%の、BASF社からのSicopal Blauを付加し、青色顔料なしのものと同様にLEDを作製した(青色顔料あり:三角)。結果として得られたこの色点も図3cに示されている。積分球を用いて測定した100mAのLED電流での平均光束値を表1に示す。
ここでは、458nmという長めの主波長を有する次の青色ビンの青色波長を、顔料なしの同じ蛍光体スラリーとともに使用した。0.24wt%のSicopal Blauを有する別の同じ蛍光体スラリーを作製し、458nmの青色主波長を持つLEDをディスペンスした。平均の色点を図3dに示している。x=0.166のx色座標において、ここでは、表2に示されるように、蛍光体懸濁液中の青色顔料の塗布で、青色域内の光束が26パーセント増大している。同一のx色座標のLEDを比較した。
Claims (15)
- 青色LEDパッケージ光を生成するように構成されたLEDパッケージであって、
青色光源光を生成するように構成されたソリッドステート光源と、
前記光源光の一部を、緑色光を有するルミネセント材料光へと変換するように構成されたルミネセント材料と、
前記ルミネセント材料光の一部を吸収するように構成された青色顔料と、
を有するLEDパッケージ。 - 前記青色LEDパッケージ光のCIE座標は、x−CIE座標について0.091−0.175の範囲内にあり、y−CIE座標について0.025−0.183の範囲内にある、請求項1に記載のLEDパッケージ。
- 前記青色LEDパッケージ光のCIE座標は、(0.091,0.133)、(0.149,0.025)、(0.175,0.098)及び(0.174,0.183)によって画成されるCIE図の部分内にあり、且つ前記青色LEDパッケージ光のx−CIE座標は最大で0.175であり、前記青色LEDパッケージ光のy−CIE座標は最小で0.140である、請求項1又は2に記載のLEDパッケージ。
- 前記ソリッドステート光源は、450−465nmの範囲内にピーク波長を持つ青色光源光を生成するように構成されている、請求項1乃至3の何れか一項に記載のLEDパッケージ。
- 前記ルミネセント材料は、490−530nmの範囲から選択されたピーク波長を持ち且つ50−150nmの範囲から選択された半値全幅(FWHM)を持つルミネセント材料光を提供するように構成されている、請求項1乃至4の何れか一項に記載のLEDパッケージ。
- 前記ルミネセント材料は、セリウムドープされたガーネットを有する、請求項1乃至5の何れか一項に記載のLEDパッケージ。
- 前記ルミネセント材料は、0.005≦x≦0.08、且つ0≦y≦0.7として、(Lu(1−x),Cex)3(Al(1−y),Gay)5O12を有する、請求項1乃至6の何れか一項に記載のLEDパッケージ。
- 前記ルミネセント材料は、(a)Si(6−x)AlxOyN(6−y):Eu、ただし、0<x≦4.2、0<y≦4.2(ベータサイアロン)、(b)ユーロピウムでドープされたアルカリ土類金属オルトシリケート、(c)BaMgAl10O17:Eu,Mn、(d)BaMg2Al16O27:Eu,Mn、及び(e)Sr4Al14O25:Eu、のうちの1つ以上を有する、請求項1乃至7の何れか一項に記載のLEDパッケージ。
- 前記青色顔料は、42000−45000の範囲から選択されたカラーインデックス国際番号を持つ有機色素を有する、請求項1乃至8の何れか一項に記載のLEDパッケージ。
- 前記青色顔料はフタロシアニンを有する、請求項1乃至9の何れか一項に記載のLEDパッケージ。
- 前記青色顔料は、(a)MAl2O4、ただし、Mは、Co、Ni、Mg、Cu及びZnのうちの1つ以上を有し、Mは少なくともCoを含む、(b)NaxAl6Si6O24Sy、ただし、6≦x≦8、且つ2≦y≦4、のうちの1つ以上を有する、請求項1乃至10の何れか一項に記載のLEDパッケージ。
- 当該LEDパッケージは、前記ルミネセント材料を有する第1の層と、前記青色顔料を有する第2の層とを有し、
前記ソリッドステート光源に対して、前記第2の層が前記第1の層の下流に配置されている、
請求項1乃至11の何れか一項に記載のLEDパッケージ。 - 前記ルミネセント材料と前記青色顔料とを有する第1の層、を有する請求項1乃至12の何れか一項に記載のLEDパッケージ。
- 請求項1乃至13の何れか一項に記載のLEDパッケージと、制御ユニットと、(a)光学系及び(b)更なる光源のうちの1つ以上と、を有する照明装置であって、
前記制御ユニットは、前記LEDパッケージと、オプションの前記更なる光源とを制御するように構成されている、照明装置。 - 青色非常用照明を提供するため又は装飾照明を提供するための、請求項1乃至13の何れか一項に記載のLEDパッケージ又は請求項14に記載の照明装置の使用。
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EP15160458 | 2015-03-24 | ||
EP15160458.4 | 2015-03-24 | ||
PCT/EP2016/055669 WO2016150789A1 (en) | 2015-03-24 | 2016-03-16 | Blue emitting phosphor converted led with blue pigment |
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US10274164B2 (en) * | 2016-10-21 | 2019-04-30 | Signify Holding B.V. | Lighting device comprising a plurality of different light sources with similar off-state appearance |
US11233178B2 (en) * | 2018-06-05 | 2022-01-25 | Lumileds Llc | LED and phosphor combinations for high luminous efficacy lighting with superior color control |
US20200161506A1 (en) * | 2018-11-21 | 2020-05-21 | Osram Opto Semiconductors Gmbh | Method for Producing a Ceramic Converter Element, Ceramic Converter Element, and Optoelectronic Component |
US11677050B2 (en) | 2020-05-29 | 2023-06-13 | Nichia Corporation | Light emitting device emitting light bright in both scotopic vision and photipic vision |
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CN107406766A (zh) | 2017-11-28 |
JP6991066B2 (ja) | 2022-02-03 |
TW201706394A (zh) | 2017-02-16 |
CN107406766B (zh) | 2024-03-22 |
EP3274423B1 (en) | 2019-09-18 |
US20180062050A1 (en) | 2018-03-01 |
TWI695875B (zh) | 2020-06-11 |
US10658552B2 (en) | 2020-05-19 |
KR102530385B1 (ko) | 2023-05-09 |
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