JP4802923B2 - 波長変換部材 - Google Patents
波長変換部材 Download PDFInfo
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- JP4802923B2 JP4802923B2 JP2006211758A JP2006211758A JP4802923B2 JP 4802923 B2 JP4802923 B2 JP 4802923B2 JP 2006211758 A JP2006211758 A JP 2006211758A JP 2006211758 A JP2006211758 A JP 2006211758A JP 4802923 B2 JP4802923 B2 JP 4802923B2
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- 238000006243 chemical reaction Methods 0.000 title claims description 39
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 84
- 239000011521 glass Substances 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 12
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 8
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 7
- 150000004645 aluminates Chemical class 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 3
- 229910052765 Lutetium Inorganic materials 0.000 claims description 3
- 229910052771 Terbium Inorganic materials 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910052693 Europium Inorganic materials 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 description 9
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 239000010419 fine particle Substances 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 238000004031 devitrification Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/006—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- 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
- C09K11/0883—Arsenides; Nitrides; Phosphides
-
- 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
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/774—Borates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Luminescent Compositions (AREA)
- Led Device Packages (AREA)
- Glass Compositions (AREA)
Description
表1に示す蛍光体及びガラス材料を表1に示す配合割合で用いて、波長変換部材を作製した。具体的には、表1に示す蛍光体とガラス材料を混合機によって乾式で十分に混合し、この原料を、るつぼに詰め、大気雰囲気中にて540℃で20分間焼成し、所定の形状の部材に成形して波長変換部材を得た。なお、参考例3については、540℃で20分間加熱し焼成した。
CASBN蛍光体:Ca0.99Al1.00Si1.00B0.10N3.1:Eu0.01
また、ガラス材料としては、以下に示す本発明の範囲内の組成である「本発明ガラス」と、本発明の範囲外の組成である「比較ガラス」を用いた。なお、ガラス組成における%はモル%である。
比較ガラス:11%SiO2−43%B2O3−11Na2O−35%ZnO
「硝酸洗浄」と記載したものについては、LAG蛍光体を硝酸溶液(濃度約2%)を用いて洗浄処理した。具体的には、所定の容器内に純水10リットルに希硝酸(60%)350gを添加し混合する。この中にLAG蛍光体を投入し攪拌する。「硝酸洗浄・Al2O3被覆」と記載したものについては、LAG蛍光体について上記の硝酸洗浄を行った後、Al2O3被覆処理を行った。Al2O3被覆処理は、具体的には、硝酸洗浄を行ったLAG蛍光体1000gに対し、Al2O3微粒子100gを加え、これらを高速攪拌混合した後、窒素の雰囲気下で1000℃、5時間アニール処理を行い被覆処理を行った。
「Al2O3被覆」と記載したものについては、CASBN蛍光体に、上記のLAG蛍光体のAl2O3被覆と同様にして、CASBN蛍光体300gに対し、Al2O3微粒子30gを添加して高速攪拌混合した後、窒素雰囲気下でアニール処理を行い、Al2O3被覆処理を行った。
得られた各波長変換部材について、発光色及び発光強度を評価した。
実施例2及び参考例2の波長変換部材について、発光スペクトルを測定した。波長460nmの励起光を波長変換部材に照射して、波長変換部材を通過して出てくる光の発光スペクトルを測定した。測定結果を図1に示す。
Claims (3)
- 洗浄処理及び/または被覆処理を施した蛍光体を、
モル百分率で、SiO2:30〜50%、Li2O:0〜15%、Na2O:0〜10%、K2O:0〜10%、Li2O+Na2O+K2O:20〜30%、B2O3:5〜15%、MgO:0〜10%、BaO:0〜10%、CaO:0〜10%、SrO:0〜10%、Al2O3:0〜10%、ZnO:0〜15%、TiO2:10〜20%、Nb2O5:1〜5%、La2O3:0〜5%、TiO2+Nb2O5+La2O3:11〜20%の組成のガラス材料中に含有させたことを特徴とする波長変換部材。 - 前記蛍光体として、一般式M3(Al1−vGav)5O12:Ce(式中、Mは、Lu、Y、Gd、及びTbから選ばれる少なくとも1種であり、vは、0≦v≦0.8を満たす。)で表わされる、セリウム(Ce)で付活されたアルミン酸塩蛍光体が含有されていることを特徴とする請求項1に記載の波長変換部材。
- 前記蛍光体として、一般式M’wAlxSiyBzN((2/3)w+x+(4/3)y+z):Eu(式中、M’は、Mg、Ca、Sr及びBaから選ばれる少なくとも一種であり、w、x、y、及びzは、0.5≦w≦3、x=1、0.5≦y≦3、0≦z≦0.5を満たす。)で表わされる、ユーロピウム(Eu)で付活された窒化物蛍光体が含有されていることを特徴とする請求項1または2に記載の波長変換部材。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006211758A JP4802923B2 (ja) | 2006-08-03 | 2006-08-03 | 波長変換部材 |
US11/882,590 US7811471B2 (en) | 2006-08-03 | 2007-08-02 | Wavelength-converting member |
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JP2006211758A JP4802923B2 (ja) | 2006-08-03 | 2006-08-03 | 波長変換部材 |
Publications (3)
Publication Number | Publication Date |
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JP2008041796A JP2008041796A (ja) | 2008-02-21 |
JP2008041796A5 JP2008041796A5 (ja) | 2009-06-25 |
JP4802923B2 true JP4802923B2 (ja) | 2011-10-26 |
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JP2006211758A Active JP4802923B2 (ja) | 2006-08-03 | 2006-08-03 | 波長変換部材 |
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US (1) | US7811471B2 (ja) |
JP (1) | JP4802923B2 (ja) |
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JP4957110B2 (ja) * | 2006-08-03 | 2012-06-20 | 日亜化学工業株式会社 | 発光装置 |
KR101173741B1 (ko) * | 2007-08-30 | 2012-08-13 | 니치아 카가쿠 고교 가부시키가이샤 | 발광 장치 |
DE102008021438A1 (de) * | 2008-04-29 | 2009-12-31 | Schott Ag | Konversionsmaterial insbesondere für eine, eine Halbleiterlichtquelle umfassende weiße oder farbige Lichtquelle, Verfahren zu dessen Herstellung sowie dieses Konversionsmaterial umfassende Lichtquelle |
US8361917B2 (en) * | 2010-08-05 | 2013-01-29 | Schott Corporation | Rare earth aluminoborosilicate glass composition |
WO2012058040A1 (en) | 2010-10-28 | 2012-05-03 | Corning Incorporated | Phosphor containing glass frit materials for led lighting applications |
US10158057B2 (en) | 2010-10-28 | 2018-12-18 | Corning Incorporated | LED lighting devices |
TWI548722B (zh) * | 2011-12-01 | 2016-09-11 | 蕭一修 | 激發反射式螢光塗料或玻璃及其應用 |
WO2013144919A1 (en) * | 2012-03-29 | 2013-10-03 | Koninklijke Philips N.V. | Phosphor in inorganic binder for led applications |
KR101612216B1 (ko) | 2012-03-30 | 2016-04-12 | 코닝 인코포레이티드 | Led 형광체용 비스무트 보레이트 유리 캡슐화제 |
US10017849B2 (en) | 2012-11-29 | 2018-07-10 | Corning Incorporated | High rate deposition systems and processes for forming hermetic barrier layers |
US9202996B2 (en) | 2012-11-30 | 2015-12-01 | Corning Incorporated | LED lighting devices with quantum dot glass containment plates |
JP6398351B2 (ja) * | 2013-07-25 | 2018-10-03 | セントラル硝子株式会社 | 蛍光体分散ガラス |
WO2015020859A2 (en) | 2013-08-05 | 2015-02-12 | Corning Incorporated | Luminescent coatings and devices |
KR102291731B1 (ko) * | 2014-03-12 | 2021-08-20 | 엘지이노텍 주식회사 | 파장변환 세라믹 매체 |
US9871176B2 (en) * | 2015-02-02 | 2018-01-16 | Ferro Corporation | Glass compositions and glass frit composites for use in optical applications |
KR101764241B1 (ko) | 2015-08-18 | 2017-08-04 | 한국세라믹기술원 | 티타니아가 첨가되는 파장변환 소재용 유리 조성물 및 유리의 제조방법 |
KR101750194B1 (ko) * | 2016-02-15 | 2017-06-22 | 부경대학교 산학협력단 | 파장 변환 유리, 이의 제조 방법, 및 이를 포함하는 발광 장치 |
JP6880528B2 (ja) * | 2016-06-27 | 2021-06-02 | 日本電気硝子株式会社 | 波長変換部材及びそれを用いてなる発光デバイス |
JP7092746B2 (ja) | 2017-03-30 | 2022-06-28 | 出光興産株式会社 | 酸化物焼結体、スパッタリングターゲット、酸化物半導体薄膜、薄膜トランジスタ、および電子機器 |
JP2022013967A (ja) * | 2018-11-12 | 2022-01-19 | パナソニックIpマネジメント株式会社 | 蛍光体粒子、波長変換部材、発光装置及び蛍光体粒子の製造方法 |
CN112851117B (zh) * | 2021-01-19 | 2022-09-09 | 吉林师范大学 | 一种铽离子掺杂钆硼硅酸盐的闪烁玻璃及其制备方法 |
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WO2006077740A1 (ja) * | 2004-12-28 | 2006-07-27 | Nichia Corporation | 窒化物蛍光体及びその製造方法並びに窒化物蛍光体を用いた発光装置 |
JP4957110B2 (ja) * | 2006-08-03 | 2012-06-20 | 日亜化学工業株式会社 | 発光装置 |
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