WO2008111438A1 - 紫外線励起発光素子用蛍光体、蛍光体ペースト、および紫外線励起発光素子 - Google Patents
紫外線励起発光素子用蛍光体、蛍光体ペースト、および紫外線励起発光素子 Download PDFInfo
- Publication number
- WO2008111438A1 WO2008111438A1 PCT/JP2008/053894 JP2008053894W WO2008111438A1 WO 2008111438 A1 WO2008111438 A1 WO 2008111438A1 JP 2008053894 W JP2008053894 W JP 2008053894W WO 2008111438 A1 WO2008111438 A1 WO 2008111438A1
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- WO
- WIPO (PCT)
- Prior art keywords
- phosphor
- emitting device
- excited light
- light
- ultraviolet
- Prior art date
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Classifications
-
- 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
- C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence
- H01J61/44—Devices characterised by the luminescent material
-
- 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
- C09K11/77342—Silicates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/42—Fluorescent layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/42—Fluorescent layers
Definitions
- the present invention relates to a phosphor for an ultraviolet-excited light-emitting element, a phosphor paste, and a line-excited light-emitting element.
- the ultraviolet-excited light emitting element includes a phosphor that emits light when excited by ultraviolet irradiation.
- UV-excited light-emitting elements include light-emitting elements whose excitation ultraviolet wavelength is in the range of 200 nm to 35 nm, and light emission whose excitation ultraviolet wavelength is in the range of 100 nm to 200 nm Element (sometimes referred to as a vacuum ultraviolet light-excited light-emitting element).
- the former is, for example, a backlight for a liquid crystal display, a three-wave fluorescent lamp, and a high-negative light lamp, and the latter is, for example, a plasma display panel or a rare gas lamp.
- the phosphor described in the publication does not have sufficient luminance in the UV-illuminated JTF, and the emission wavelength showing the emission intensity in the emission spectrum (the spectrum indicating the relationship between the light wavelength and the emission boat). However, it was not large enough for a light emitting device. Disclosure of the invention
- An object of the present invention is to provide a phosphor that exhibits a higher emission luminance under ultraviolet irradiation and has a smaller emission wavelength that exhibits maximum emission in the emission spectrum, and that is an example of an ultraviolet-excited light-emitting device.
- the inventors of the present invention have made the present invention if3 ⁇ 4 in order to solve the above-mentioned problems and have arrived at the present invention.
- the present invention provides the following ⁇ 1> to ⁇ 8>.
- M ′, M 2 and Tl 3 (M 1 is at least one selected from the group consisting of Ba, S r and C a, M 2 is from the group consisting of T i, Z r and H f At least two selected, and M 3 is at least one selected from the group consisting of Si and Ge.)
- M 2 comprises a T i ⁇ 1>
- a phosphor for an ultraviolet-excited light emitting device represented by formula (2).
- M 4 is at least one selected from the group consisting of Ba, S r and C a,
- ⁇ 6> A body pace rod containing the phosphor according to any one of ⁇ 1> to ⁇ 5>.
- a phosphor layer obtained by a method including a step of applying »S after the phosphor paste according to ⁇ 6> is applied to a substrate.
- Figure 1 shows the X-ray diffraction pattern of phosphor 1.
- FIG. 2 shows the X-ray diffraction pattern of phosphor 2.
- FIG. 3 shows the X-ray diffraction pattern of phosphor 3.
- FIG. 4 shows the X-ray diffraction pattern of phosphor 4.
- FIG. 5 shows the X-ray diffraction pattern of phosphor 5.
- FIG. 6 shows the X-ray diffraction pattern of phosphor 6.
- BEST MODE FOR CARRYING OUT THE INVENTION The phosphor of the present invention includes an oxide containing M ′, M 2 and
- M 1 is Ba, Sr, or Ca. These may be jobs or combinations.
- M 2 is a combination of Ding 1 and ⁇ 1 ⁇ , a combination of T i and H f, a combination of ⁇ 1 "and 11, and a combination of! ⁇ And! ⁇ And ⁇ !.
- ⁇ 3 is S i, Ge These may be used alone or in combination
- the phosphor further contains an ipo tongue.
- a phosphor emits light under ultraviolet irradiation by containing a base oxide and a tip tongue. Specifically, the phosphor emits light under ultraviolet irradiation by substituting a part of the element constituting the matrix with an element serving as a tongue.
- the elements used as agents are Eu, Ce, Pr, Nd, Sm, Tb, Dy, Er, Tm, Yb, Bi, and Mn. These may be battles or matches.
- the oxide containing ⁇ ⁇ 2 and 2 is preferably represented by the above formula (1) from the viewpoint of further increasing the emission luminance.
- the tip tongue preferably contains ⁇ .
- Eu preferably has a high proportion of divalent Eu ions.
- the vial contains Eu
- the luminance of light emission is further increased by replacing a part of Eu with a coagent.
- Co-agents are Al, S c, Y, La, Gd, Ce, P r, Nd, Pm, Sm, Tb, Dy, Ho, Er, Tm, Yb, Lu, Bi, Au, Ag, Cu, Mn. These may be used alone or in combination. The ratio of substitution is usually 50 mol% or less of Eu.
- the phosphor Since the phosphor has a higher degree, it preferably contains T i as M 2 , and more preferably contains T i and Z r.
- the present invention also provides a phosphor represented by the formula (2).
- X is 0.0001 or more and 0.5 or less, and preferably 0.001 or more and 0.1 or less from the viewpoint of the balance between the emission and the cost.
- y is 0.8 or more and less than 1, and is preferably 0.85 or more and less than 1, more preferably 0.9 or more and 0.995 or less, from the parent that increases the luminance.
- Eu is an activator.
- the phosphor is usually of the Benitoite type, with crystal fabrication.
- the crystal structure is identified by X-ray diffraction.
- the phosphor contains fine particles that can be converted into a phosphor, and can be obtained by a method such as a method of forming a mixture of metal compounds. Usually, a compound containing a metal element is weighed so as to achieve a predetermined thread loss. What is necessary is just to make it difficult by the method of mixing and obtaining a mixture and making a mixture.
- Compounds containing metal elements include, for example, Ba, Sr, Ca, Ti, Zr, Hf, Si, Ge, Eu, Al, Sc, Y, La, Gd, Ce, Pr, Nd, Pm, Sm, Tb, Dy, Ho, Er, Tm, Yt>, Lu, Bi, Au, Ag, Cu, and iMn.
- oxides, and also oxides such as copper oxides, anthrax, silicates, halides, and oxalates, which can be decomposed and Z-oxidized at high temperatures to become oxides.
- the compound containing a metal element may include a compound such as fluoride or chloride.
- L i F, NaF, KF, L i C NaC K KC 1, L i 2 CO s , Na 2 C0 3 , K 2 C0 3 , NaH C0 3 , NH 4 C 1, NH 4 I is MgF 2, CaF 2, S r F 2, BaF 2, MgC l 2, CaC l 2, S rC l 2, BaC l 2, Mg I 2, Ca l 2, Sr l 2, B a 1 2 .
- Mixing may be carried out using a device that is usually used in industry, such as a pole mill, a V-type mixer, and a stirring device. Mixing may be performed either dry or wet.
- a compound containing a metal element may be prepared by a crystallization method.
- the metal compound mixture may be subjected to age and fiber containing a compound containing a compound that can be decomposed and / or hatched at a high temperature such as hydroxide, salt, salt, halide, oxalate.
- the fiber may be performed under the following conditions: 3 ⁇ 43 ⁇ 4g: about 400 ° C. to about 1600 ° C., atmosphere: inert gas, oxidizing gas, or sex gas. «Makes the mixture oxide or crystal water! ⁇ 3 ⁇ 4 is done. « ⁇ wheat, « may be done. Also, « ⁇ wheat and flour can be performed.
- Firing may be performed, for example, under conditions of temperature: about 600 ° C to about 1600 ° C, preferably about 1200 ° C to about 1500 ° C, and i3 ⁇ 4f time: about 0.5 to about 100 hours.
- the temperature is 1200 ° C to about 1500 ° C.
- the firing may be performed in an inert gas atmosphere such as nitrogen or argon; an oxidizing atmosphere such as air, oxygen, acid-aged nitrogen, oxygen-containing argon; or the like, containing about 0.1 to 10% by volume of hydrogen.
- the metal compound mixture may contain ages and soot carbons that are bandited in a strong atmosphere. Makoto may go more than once.
- the phosphor may be pulverized or cleaned using a pole jet mill or the like.
- the phosphor may be surface-treated.
- the surface treatment may be performed by a method in which the phosphor particle surface is coated with an inorganic substance containing Si, Al, Ti, Y or the like. 3 ⁇ 4 ⁇ Paste
- the phosphor paste of the present invention contains the phosphor and the organic substance as main components.
- organic substances include solvents and the like.
- the body paste can be used in the same way as the phosphor paste that is ffl in the light emitting element of « ⁇ *, and by heat treatment, the organic matter in the phosphor paste ⁇ is volatilized, burned, etc. Thus, a phosphor layer substantially composed of the phosphor is obtained.
- the phosphor paste may be S by, for example, the method disclosed in Japanese Patent Application Laid-Open No. 10-255566.
- the phosphor paste is obtained by a method in which the phosphor, the noinder and the solvent are mixed using a ball mill! / ⁇ Triple roll or the like.
- binders include cellulose resins (ethyl cellulose, methyl cellulose, nitrocellulose, acetyl cellulose, cellulose propionate, hydroxypropyl cellulose, butyl cellulose, benzyl cellulose, modified cellulose, etc.), acrylic resins (alk Methacrylate ⁇ , Methyl acrylate, Methyl methacrylate, Ethyl acrylate, Ethyl methacrylate, Propyl acrylate, Propyl methacrylate, Isopropyl acrylate, Isopropyl methacrylate, ⁇ -Butyl acrylate, ⁇ -Butyl methacrylate, tert —Ptyl acrylate, tert-butyl methacrylate, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, benzyl acrylate, benzyl methacrylate,
- a monohydric alcohol having a high boiling point a diol such as ethylene glycol glycerin!
- An alcohol such as ⁇ triol
- a compound obtained by etherification and Z or esterification of an alcohol ethylene glycol monoalkyl ether, Ethylene glycol dialkyl ether, ethylene glycol alkyl ether acetate, diethylene glycol monoalkyl ether acetate, diethylene Daricol dialkyl ether, propylene Daricol monoalkyl ether, propylene Daricol dialkyl ether, propylene glycol alkyl acetate
- the phosphor layer obtained by applying the phosphor paste to the substrate and awakening is excellent in arousal.
- the substrate is made of glass and wood, and the substrate may be flexure.
- the shape of the substrate is a plate or a container.
- the coating may be performed using a screen printing method or an ink jet method.
- the heat treatment is usually performed under conditions of about 300 ° C to about 600 ° C. Before coating and heat treatment, the substrate may be dried at room temperature (about 25 "C) to about 300 ° C.
- the ultraviolet knitted light-emitting device of the present invention usually includes a phosphor, an electrode, and a discharge space, including a self-phosphor.
- the discharge space only needs to generate the excitation light of the phosphor when a voltage is applied.
- a rare gas or the like is enclosed.
- a plasma display panel which is one of the UV-excited light-emitting elements containing phosphors, will be described.
- the plasma display panel may be formed by, for example, the method disclosed in Japanese Patent Application Laid-Open No. 10_195 4288.
- the phosphor emits blue light.
- the green phosphor, the red phosphor, and the blue phosphor are mixed with a cellulose resin, a binder made of polyvinyl alcohol, and a solvent, respectively.
- Prepare. Phosphor paste is applied to the inner surface of the back substrate on the stripe-shaped substrate surface and the partition wall that are partitioned by sleep and have address electrodes. It is applied by a method such as screen printing and heat-treated at 300 to 600 ° C. to obtain each phosphor layer.
- a surface glass substrate provided with a transparent electrode and a bus electrode in a direction orthogonal to the phosphor layer and provided with a dielectric layer and a protective layer on the inner surface is laminated and bonded thereto.
- a plasma display panel can be obtained by evacuating the interior and enclosing a rare gas such as low pressure Xe or Ne to form a discharge space.
- the optical lamp may be S3 ⁇ 4g according to the method disclosed in, for example, Japanese Patent Laid-Open No. 10-2 5 1 6 36.
- a green phosphor, a red phosphor, and a mixture of the blue phosphor are dispersed in a polyethylene oxide aqueous solution or the like to prepare a phosphor paste.
- a rare gas such as low-pressure Ar, Kr, and e and mercury are enclosed, and a base is attached to form a discharge space.
- a light lamp is obtained.
- the present invention will be described in detail with reference to examples.
- the crystal structure of the phosphor was determined by a powder X-ray diffraction method using an X-ray diffractometer (RINT 2500 TT R type, manufactured by Rigaku Corporation, Cu Ka's characteristic X-ray).
- RINT 2500 TT R type manufactured by Rigaku Corporation, Cu Ka's characteristic X-ray.
- Barium (Nippon Kagaku 3 ⁇ 43 ⁇ 4 Formula Association 3 ⁇ 43 ⁇ 4 : 9 9% or more of textile), Zirconium oxide (Wako Sakai Kogyo Co., Ltd .: purity 99.99%), Silicon dioxide (Nippon Aerosil Co., Ltd .: Textile 99.9) 9%), and «Yuguchi Pium (Shin-Etsu Chemical Co., Ltd. 3 ⁇ 4 formula company: 9 9 9 9%) was weighed so that the molar ratio of Ba: Zr: Si: Eu was 0.98: 1: 3: 0.02, and mixed for 4 hours with a ball mill to obtain a mixture.
- the mixture was male in an alumina boat in a nitrogen gas atmosphere, for 5 hours Makoto at 1300 ° C, wherein B a a98 Z r S i 3 0 9: to obtain a phosphor 1 represented by Eu.
- the X-ray diffraction pattern of phosphor 1 is shown in FIG. As shown in FIG. 1, the phosphor 1 had a benitoite type crystal structure.
- Phosphor 1 is vacuum ultraviolet light using an excimer 172 nm lamp (Husio Electric, Model H0016) in a vacuum chamber at room temperature (about 25 ° C) at 6.7 Pa (5X 10 " 2 To rr) or less.
- the emission obtained by irradiating with a spectroradiometer was measured using a spectroradiometer (SR-3 manufactured by Topcon Co., Ltd.)
- the emission wavelength was 480 nm, indicating the intensity.
- the emission brightness by excitation at 172 nm is shown as the relative brightness with the emission brightness of phosphor 1 being 100.
- Table 2 The results are shown in Table 2.
- Phosphor 1 was irradiated with ultraviolet rays having a wavelength of 254 nm at normal pressure and room temperature using a 1 ⁇ 23 ⁇ 43 ⁇ 43 ⁇ 43 ⁇ 4 meter (manufactured by JASCO Corporation, Model 6500).
- Luminescence is an emission wavelength that indicates a waste light emitting bow was 480 nm. The emission luminance at this time was set to 100.
- the emission brightness of the phosphors excited by 254 nm is shown as relative brightness with the emission brightness of phosphor 1 being 100.
- the results are shown in Table 3. Male example 1
- Ha'lium (Nippon Kagaku ⁇ 3 ⁇ 4 formula meeting S 99% or more), Titanium oxide (high & i j: & 99.9%), Zirconium oxide (Wako wrapping workshop: purity 99. 99%) , Silicon dioxide (Nippon Aerosil Co., Ltd .: 9. 99%), Oyo ⁇ Yuuguchi Pium (Nobuki Sangaku Shikikai 3 ⁇ 4i3 ⁇ 4: 5 ⁇ 99. 99%), Ba: Ti: Zr: S i: It was weighed so that the molar ratio of Eu would be 0.98: 0.00.005: 0.99: 3: 0.02, and mixed for 4 hours with a pole mill to obtain a mixture.
- phosphor 2 represented by the formula B a a98 T i Zr S i 3 0 9 : E u a02 .
- the X-ray diffraction pattern of phosphor 2 is shown in FIG.
- phosphor 2 had a benitoite crystal structure.
- Phosphor 2 was evaluated under the same conditions as Reference Example 1 [Luminance by 146 nm excitation], [Luminance by 172 nm excitation] and [Luminance by 254 nm excitation]. The results are shown in Table 1, Table 2, and Table 3. Difficult example 2
- the mixture was weighed so that the molar ratio of Zr: Si: £ 11 was 0.98: 0.0.01: 0.0.99: 3: 0.02 and mixed for 4 hours with a sincere pole mill to obtain a mixture.
- Fill mixture into alumina port Then, in a nitrogen gas atmosphere at 1300 ° C. for 5 hours, a phosphor 3 represented by the formula B a a98 T i 00I Zr a99 Si 3 09 : Eu Q02 was obtained.
- the X-ray diffraction pattern of phosphor 3 is shown in FIG. From FIG. 3, the crystal structure of phosphor 3 was a benitoite type.
- phosphor 4 represented by the formula B a T i ⁇ ⁇ r 09 S i 3 0 9 : E u a02 It was.
- the X-ray diffraction pattern of phosphor 4 is shown in FIG. As shown in FIG. 4, the phosphor 4 has a benitoite crystal structure.
- the phosphor 4 was evaluated under the same conditions as those of Reference Example 1 [emission by 146 nm excitation, [emission luminance by 172 nm excitation] and [emission by 254 nm excitation]. The results are shown in Table 1, Table 2, and Table 3.
- the phosphor of the present invention emits light having a wavelength of excited ultraviolet light in the range of 100 nm to 200 nm, such as a 146 nm excitation light emitting element and a 172 nm excitation light emitting element. Compared to the device, it is used much more for light emitting devices in which the wavelength of the ultraviolet light to be excited is in the range of 200 nm to 3500 nm, such as a 25 4 nm excited light emitting device.
- the maximum emission wavelength means an emission wavelength indicating 3 ⁇ 4 ⁇ emission intensity.
- Table 1 Levels of phosphors with 1 4 6 nm excitation
- the phosphor of the present invention exhibits higher light emission luminance when irradiated with ultraviolet rays, and S is a light emission wavelength indicating a light emission bow daughter in the light emission spectrum. It can be used for UV-excited light-emitting elements, particularly for UV-excited light-emitting elements in which the wavelength of ultraviolet light to be excited is in the range of 200 nm to 3500 nm. For light-emitting elements such as display backlights, three-wave fluorescent lamps, and high-load light lamps.
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- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
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- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Luminescent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880007106A CN101679862A (zh) | 2007-03-09 | 2008-02-27 | 用于紫外线激发发光器件的荧光体、荧光体糊剂、和紫外线激发发光器件 |
US12/530,173 US20100102276A1 (en) | 2007-03-09 | 2008-02-27 | Phosphor for ultraviolet excited light-emitting device, phosphor paste, and ultraviolet excited light-emitting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2007-059821 | 2007-03-09 | ||
JP2007059821A JP5002288B2 (ja) | 2007-03-09 | 2007-03-09 | 紫外線励起発光素子用蛍光体 |
Publications (1)
Publication Number | Publication Date |
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WO2008111438A1 true WO2008111438A1 (ja) | 2008-09-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2008/053894 WO2008111438A1 (ja) | 2007-03-09 | 2008-02-27 | 紫外線励起発光素子用蛍光体、蛍光体ペースト、および紫外線励起発光素子 |
Country Status (5)
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US (1) | US20100102276A1 (ja) |
JP (1) | JP5002288B2 (ja) |
KR (1) | KR20100015401A (ja) |
CN (1) | CN101679862A (ja) |
WO (1) | WO2008111438A1 (ja) |
Families Citing this family (4)
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RU2470982C2 (ru) * | 2011-03-02 | 2012-12-27 | Учреждение Российской академии наук Институт химии твердого тела Уральского отделения РАН | Сложный кальциевый метасиликат европия и иттрия, люминесцентный материал красного свечения на его основе для ультрафиолетовых светодиодов и способ получения материала |
KR20150016252A (ko) * | 2012-04-24 | 2015-02-11 | 메르크 파텐트 게엠베하 | 실리케이트 인광체 |
EP2871224B1 (en) * | 2012-07-06 | 2018-04-11 | Sumitomo Metal Mining Co., Ltd. | Process for manufacturing silicate phosphors |
JP6184174B2 (ja) * | 2013-06-03 | 2017-08-23 | 第一稀元素化学工業株式会社 | 蛍光体及びその製造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006002043A (ja) * | 2004-06-17 | 2006-01-05 | Daiden Co Ltd | 真空紫外線励起用蛍光体、その製造方法及び真空紫外線励起発光素子 |
JP2008063550A (ja) * | 2006-08-10 | 2008-03-21 | Sumitomo Chemical Co Ltd | 蛍光体 |
JP2008063549A (ja) * | 2006-08-10 | 2008-03-21 | Sumitomo Chemical Co Ltd | 蛍光体 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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NL7009688A (ja) * | 1970-07-01 | 1972-01-04 | ||
JPH10195428A (ja) * | 1997-01-16 | 1998-07-28 | Toshiba Corp | 蛍光体粒子、その製造方法およびプラズマディスプレイパネル |
US6592882B2 (en) * | 1999-05-26 | 2003-07-15 | Color Access, Inc. | Cosmetic compositions containing fluorescent minerals |
-
2007
- 2007-03-09 JP JP2007059821A patent/JP5002288B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-27 US US12/530,173 patent/US20100102276A1/en not_active Abandoned
- 2008-02-27 CN CN200880007106A patent/CN101679862A/zh active Pending
- 2008-02-27 WO PCT/JP2008/053894 patent/WO2008111438A1/ja active Application Filing
- 2008-02-27 KR KR1020097020872A patent/KR20100015401A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006002043A (ja) * | 2004-06-17 | 2006-01-05 | Daiden Co Ltd | 真空紫外線励起用蛍光体、その製造方法及び真空紫外線励起発光素子 |
JP2008063550A (ja) * | 2006-08-10 | 2008-03-21 | Sumitomo Chemical Co Ltd | 蛍光体 |
JP2008063549A (ja) * | 2006-08-10 | 2008-03-21 | Sumitomo Chemical Co Ltd | 蛍光体 |
Also Published As
Publication number | Publication date |
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US20100102276A1 (en) | 2010-04-29 |
JP5002288B2 (ja) | 2012-08-15 |
JP2008222766A (ja) | 2008-09-25 |
KR20100015401A (ko) | 2010-02-12 |
CN101679862A (zh) | 2010-03-24 |
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