JP7382013B2 - 波長変換部材及びそれを用いた発光装置 - Google Patents
波長変換部材及びそれを用いた発光装置 Download PDFInfo
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- JP7382013B2 JP7382013B2 JP2020516119A JP2020516119A JP7382013B2 JP 7382013 B2 JP7382013 B2 JP 7382013B2 JP 2020516119 A JP2020516119 A JP 2020516119A JP 2020516119 A JP2020516119 A JP 2020516119A JP 7382013 B2 JP7382013 B2 JP 7382013B2
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- 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
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- 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
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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
- 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
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- 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
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- 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
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- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
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- 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
- C03C4/00—Compositions for glass with special properties
- C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
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- 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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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
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
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- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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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
-
- 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
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/16—Microcrystallites, e.g. of optically or electrically active material
-
- 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]
-
- 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
- F21Y2115/30—Semiconductor lasers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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- Spectroscopy & Molecular Physics (AREA)
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- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
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- Led Device Packages (AREA)
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Description
まず、表1~3に記載のガラス組成になるように原料を調合して原料バッチを得た。得られた原料バッチをガラス溶融炉に供給して1300~1500℃で溶融した。次に、一対の冷却ローラー間に流し出すことによりフィルム状に成形した。得られたフィルム状のガラスをボールミルで乾式粉砕して、平均粒子径D50が6~9μmのガラス粉末を得た。また、溶融ガラスの一部をカーボン板の上に流し出して平板状に成形した後、所定のアニール処理を行うことによりバルク状ガラスを得た。
表1~3に記載の通り、各ガラス粉末に蛍光体粉末を所定量で混合して混合粉末を得た。混合粉末を金型で加圧成型して直径1cmの円柱状予備成型体を作製した。この予備成型体を表に記載の温度で焼成することにより波長変換部材を得た。
2 波長変換部材
3 光源
Claims (9)
- ガラスマトリクス中に蛍光体粉末が分散してなる波長変換部材であって、
ガラスマトリクスの屈折率(nd)が1.66以上、液相温度が1070℃以下であり、
ガラスマトリクスが、質量%で、SiO2 25%以上、B 2 O 3 0%超、La 2 O 3 0.1%以上であることを特徴とする波長変換部材。 - ガラスマトリクスが、質量%で、SiO2 25~50%、Al2O3 8%以下、B2O3 15%以下、MgO 10%以下、CaO 15%以下、SrO 15%以下、BaO 50%以下、ZnO 30%以下、ZrO2 10%以下、Nb2O5 5%以下、TiO2 15%以下、La2O3 25%以下を含有することを特徴とする請求項1に記載の波長変換部材。
- ガラスマトリクスが、質量%で、SiO2 25~50%、Al2O3 0.1~8%、B2O3 0超~15%、MgO 0~10%、CaO 0~15%、SrO 0~15%、BaO 0.1~50%、ZnO 0~20%、ZrO2 0~10%、Nb2O5 0~5%、TiO2 2.1~15%、La2O3 0.1~15%を含有し、(TiO2+La2O3)/B2O3が0.5以上であ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。
- ガラスマトリクス中のLi2O+Na2O+K2Oの含有量が0~5%であることを特徴とする請求項1~3のいずれか一項に記載の波長変換部材。
- ガラスマトリクス中のSb2O3の含有量が0.2%未満であることを特徴とする請求項1~4のいずれか一項に記載の波長変換部材。
- 蛍光体粉末が、窒化物蛍光体、酸窒化物蛍光体、酸化物蛍光体、硫化物蛍光体、酸硫化物蛍光体、ハロゲン化物蛍光体及びアルミン酸塩蛍光体から選択される少なくとも一種であることを特徴とする請求項1~5のいずれか一項に記載の波長変換部材。
- 蛍光体粉末を0.01~70体積%含有することを特徴とする請求項1~6のいずれか一項に記載の波長変換部材。
- ガラス粉末と蛍光体粉末を含む混合物の焼結体からなることを特徴とする請求項1~7のいずれか一項に記載の波長変換部材。
- 請求項1~8のいずれか一項に記載の波長変換部材、及び、
波長変換部材に励起光を照射する光源、
を備えてなることを特徴とする発光装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023185445A JP2024020252A (ja) | 2018-04-25 | 2023-10-30 | 波長変換部材及びそれを用いた発光装置 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2018084012 | 2018-04-25 | ||
| JP2018084012 | 2018-04-25 | ||
| PCT/JP2019/012474 WO2019208057A1 (ja) | 2018-04-25 | 2019-03-25 | 波長変換部材及びそれを用いた発光装置 |
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| Publication Number | Publication Date |
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| JPWO2019208057A1 JPWO2019208057A1 (ja) | 2021-06-17 |
| JP7382013B2 true JP7382013B2 (ja) | 2023-11-16 |
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| JP2020516119A Active JP7382013B2 (ja) | 2018-04-25 | 2019-03-25 | 波長変換部材及びそれを用いた発光装置 |
| JP2023185445A Pending JP2024020252A (ja) | 2018-04-25 | 2023-10-30 | 波長変換部材及びそれを用いた発光装置 |
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| US (1) | US11999648B2 (ja) |
| JP (2) | JP7382013B2 (ja) |
| CN (2) | CN111480098B (ja) |
| WO (1) | WO2019208057A1 (ja) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014188920A1 (ja) | 2013-05-23 | 2014-11-27 | 旭硝子株式会社 | ガラス組成物、ガラスの製造方法、光変換部材、光変換部材の製造方法、照明光源および液晶表示装置 |
| JP2015027927A (ja) | 2013-04-25 | 2015-02-12 | 日本電気硝子株式会社 | 高屈折率ガラス |
| JP2016028996A (ja) | 2014-07-24 | 2016-03-03 | 日本電気硝子株式会社 | 高屈折率ガラス |
| JP2018002492A (ja) | 2016-06-27 | 2018-01-11 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW383508B (en) | 1996-07-29 | 2000-03-01 | Nichia Kagaku Kogyo Kk | Light emitting device and display |
| JP4158012B2 (ja) | 2002-03-06 | 2008-10-01 | 日本電気硝子株式会社 | 発光色変換部材 |
| WO2006120827A1 (ja) | 2005-05-11 | 2006-11-16 | Nippon Electric Glass Co., Ltd. | 蛍光体複合ガラス、蛍光体複合ガラスグリーンシート及び蛍光体複合ガラスの製造方法 |
| CN101171205A (zh) | 2005-05-11 | 2008-04-30 | 日本电气硝子株式会社 | 荧光体复合玻璃、荧光体复合玻璃生片和荧光体复合玻璃的制造方法 |
| JP4895541B2 (ja) | 2005-07-08 | 2012-03-14 | シャープ株式会社 | 波長変換部材、発光装置及び波長変換部材の製造方法 |
| JP4957110B2 (ja) * | 2006-08-03 | 2012-06-20 | 日亜化学工業株式会社 | 発光装置 |
| 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 |
| KR101638488B1 (ko) * | 2010-12-08 | 2016-07-11 | 니폰 덴키 가라스 가부시키가이샤 | 고굴절률 유리 |
| JP6273799B2 (ja) * | 2013-01-07 | 2018-02-07 | 日本電気硝子株式会社 | 波長変換材料に用いられるガラス、波長変換材料、波長変換部材及び発光デバイス |
| JP6222452B2 (ja) * | 2013-12-17 | 2017-11-01 | 日本電気硝子株式会社 | 波長変換部材及び発光デバイス |
| JP2015199640A (ja) * | 2014-04-01 | 2015-11-12 | 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 |
| JP6830750B2 (ja) * | 2014-09-04 | 2021-02-17 | 日本電気硝子株式会社 | 波長変換部材及び発光装置 |
| KR101753185B1 (ko) * | 2015-06-19 | 2017-07-04 | 주식회사 베이스 | 고 굴절률 및 무 알칼리 유리 및 이를 이용한 색변환 소재 및 led 패키지 |
| 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 |
| JP2018013670A (ja) * | 2016-07-22 | 2018-01-25 | 日本電気硝子株式会社 | 波長変換部材及びそれを用いた発光デバイス |
| JP6693360B2 (ja) * | 2016-09-14 | 2020-05-13 | Agc株式会社 | 光変換部材、照明光源および光変換部材の製造方法 |
| JP7469847B2 (ja) * | 2018-03-13 | 2024-04-17 | 日本電気硝子株式会社 | 波長変換部材及びそれを用いた発光装置 |
-
2019
- 2019-03-25 US US16/977,117 patent/US11999648B2/en active Active
- 2019-03-25 CN CN201980006504.5A patent/CN111480098B/zh active Active
- 2019-03-25 WO PCT/JP2019/012474 patent/WO2019208057A1/ja not_active Ceased
- 2019-03-25 CN CN202310059015.4A patent/CN116066787A/zh active Pending
- 2019-03-25 JP JP2020516119A patent/JP7382013B2/ja active Active
-
2023
- 2023-10-30 JP JP2023185445A patent/JP2024020252A/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015027927A (ja) | 2013-04-25 | 2015-02-12 | 日本電気硝子株式会社 | 高屈折率ガラス |
| WO2014188920A1 (ja) | 2013-05-23 | 2014-11-27 | 旭硝子株式会社 | ガラス組成物、ガラスの製造方法、光変換部材、光変換部材の製造方法、照明光源および液晶表示装置 |
| JP2016028996A (ja) | 2014-07-24 | 2016-03-03 | 日本電気硝子株式会社 | 高屈折率ガラス |
| JP2018002492A (ja) | 2016-06-27 | 2018-01-11 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111480098A (zh) | 2020-07-31 |
| JP2024020252A (ja) | 2024-02-14 |
| US20240294423A1 (en) | 2024-09-05 |
| WO2019208057A1 (ja) | 2019-10-31 |
| US11999648B2 (en) | 2024-06-04 |
| US20200407269A1 (en) | 2020-12-31 |
| CN111480098B (zh) | 2023-02-03 |
| CN116066787A (zh) | 2023-05-05 |
| JPWO2019208057A1 (ja) | 2021-06-17 |
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