WO2004101710A1 - 蛍光体及び真空紫外線励起発光素子 - Google Patents
蛍光体及び真空紫外線励起発光素子 Download PDFInfo
- Publication number
- WO2004101710A1 WO2004101710A1 PCT/JP2004/006795 JP2004006795W WO2004101710A1 WO 2004101710 A1 WO2004101710 A1 WO 2004101710A1 JP 2004006795 W JP2004006795 W JP 2004006795W WO 2004101710 A1 WO2004101710 A1 WO 2004101710A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphor
- vacuum ultraviolet
- emitting device
- formula
- excited light
- Prior art date
Links
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
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth 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
- C09K11/59—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing silicon
-
- 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
Definitions
- the present invention relates to a phosphor and a vacuum ultraviolet ray excited light emitting device.
- Phosphors are used in vacuum ultraviolet-excited light-emitting devices such as plasma display panels (PDPs) and rare gas lamps.
- PDPs plasma display panels
- a blue phosphor for a P DP that is excited by vacuum ultraviolet light for example, Formula B aMg A 1 10 O 17: a compound represented by E u or formula C aMg S i 2 0 6: one containing a compound represented by Eu (IEICE Transaction on Electronics Special Issue on Electronic Displays, The Institute of Electronics, Information and Communication Engineers, E-85-C, 2002.11, p. 1888-1894). Disclosure of the invention
- An object of the present invention is to provide a phosphor and a vacuum ultraviolet ray excited light emitting device having higher luminance than conventional phosphors.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, completed the present invention.
- the present invention provides a phosphor containing the compound represented by the formula (1).
- the present invention provides a vacuum ultraviolet ray excited light emitting device including the above-mentioned phosphor.
- BEST MODE FOR CARRYING OUT THE INVENTION The phosphor of the present invention contains the compound represented by the above formula (1).
- a exceeds 0.1, preferably 0.15 or more, and 0.35 or less, preferably 0.32 or less.
- b is not less than 0.003, preferably not less than 0.005, and not more than 0.02, preferably not more than 0.015.
- the phosphor of the present invention preferably has the same crystal structure as diopside (Diopside).
- the compound represented by the above formula (1) may be produced by mixing a metal compound so as to have a composition ratio represented by the above formula (1) and firing the mixture. For example, at least two metal compounds are weighed so as to have a predetermined composition, these are mixed, and the mixture is fired.
- the metal compound used is a calcium compound, a strontium compound, a europium compound, a magnesium compound, a silicon compound, or a compound of these metals.
- These metal compounds include, for example, compounds that can be decomposed at high temperatures to oxides, such as high-purity (99% by weight or more) hydroxides, carbonates, nitrates, halides, and oxalates; Or, it is an oxide of high purity (purity 99% by weight or more).
- These metal compounds are weighed to have a predetermined composition.
- the weighed metal compound may be mixed using, for example, a ball mill, a V-type mixer or a stirrer. Further, for example, from the viewpoint of improving the crystallinity of the obtained phosphor and / or controlling the crystal particle diameter, an appropriate amount of flux may be added to the metal compound, and these may be mixed.
- the obtained mixture is preferably calcined in a reducing atmosphere, for example, in a nitrogen (N 2 ) atmosphere containing about 0.1% to about 10% by volume of hydrogen, or about 0.1% by volume to about 0.1% by volume of hydrogen. It is preferable to carry out in an argon (Ar) atmosphere containing about 10% by volume.
- a reducing atmosphere for example, in a nitrogen (N 2 ) atmosphere containing about 0.1% to about 10% by volume of hydrogen, or about 0.1% by volume to about 0.1% by volume of hydrogen. It is preferable to carry out in an argon (Ar) atmosphere containing about 10% by volume.
- an appropriate amount of carbon may be added to a mixture of at least two types of metal compounds and fired, or a mixture of at least two types of metal compounds and an appropriate amount of carbon may be fired, and the mixture may be fired. May be.
- the sintering may be performed usually at a temperature of about 900 ° C. to about 150 ° C. and a time of about 1 hour to about 100 hours.
- the above mixture contains compounds that can decompose at high temperatures to oxides, such as hydroxides, carbonates, nitrates, halides, and oxalates, calcine the mixture before firing. Is also good.
- the calcination may be performed in any of an oxidizing atmosphere (for example, in the air) and a reducing atmosphere.
- the calcination is performed at a temperature at which hydroxides, carbonates, nitrates, halides or oxalates are desorbed from water of crystallization or when hydroxides, carbonates, nitrates, halides or oxalates are converted to oxides.
- the temperature may be set at a certain temperature, and usually, the temperature may be set within a range of about 400 ° C. or more and less than 900 ° C.
- the phosphor obtained by firing may be ground, washed or classified.
- the grinding may be performed using, for example, a ball mill or a jet mill.
- the phosphor thus obtained may be subjected to a heat treatment.
- a phosphor having higher luminance may be obtained.
- the heat treatment may be generally performed under the same conditions as in the above-described firing.
- the phosphor of the present invention is excited by vacuum ultraviolet light having a wavelength of 200 nm or less (for example, a light beam having a wavelength of 144 nm generated by plasma discharge such as Xe), and emits blue light with high brightness.
- the VUV-excited light-emitting display element of the present invention contains the above-mentioned phosphor, and usually contains an electrode in addition to the above-mentioned phosphor.
- Examples of the VUV-excited light-emitting display element include PDP and rare gas lamps.
- PDP includes a back substrate, a phosphor layer, a transparent electrode, a bus electrode, a dielectric layer, and a surface substrate.
- a PDP may be manufactured, for example, by a method disclosed in Japanese Patent Application Laid-Open No. 10-195428.
- Examples of the method for producing PDP include a method including the following steps (I) to (IV).
- (IV) A step of evacuating the interior surrounded by the rear substrate and the front glass substrate, filling a reduced pressure rare gas (Xe, Ne, etc.), and forming a discharge space.
- a reduced pressure rare gas Xe, Ne, etc.
- the rare gas lamp may be manufactured by the same operation as a known method except that the above-described phosphor is used as a raw material.
- the luminance of the phosphor was measured by the following method.
- Excimer 14 was applied to the phosphor in a vacuum chamber of 6.7 Pa (5 x 10 2 To rr) or less.
- This phosphor emitted blue light when irradiated with vacuum ultraviolet rays.
- the luminance of this phosphor was set to 100.
- Example 1 C a C_ ⁇ 3: S r C0 3: E u 2 0 3: Mg C0 3: S i 0 2 of molar ratio 0.692: 0.3: 0.004: 1: 2
- the phosphor was obtained by performing the same operation except that the firing temperature was changed to 1170 ° C and the heat treatment temperature was changed to 1170 ° C. Profit
- the phosphor emitted blue light when irradiated with vacuum ultraviolet light, and had a luminance of 153.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Luminescent Compositions (AREA)
- Gas-Filled Discharge Tubes (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04732764A EP1632545B1 (en) | 2003-05-16 | 2004-05-13 | Phosphor and vacuum ultraviolet excited light-emitting device |
US10/556,680 US7622057B2 (en) | 2003-05-16 | 2004-05-13 | Phosphor and vacuum ultraviolet excited light-emitting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-138620 | 2003-05-16 | ||
JP2003138620A JP4222099B2 (ja) | 2003-05-16 | 2003-05-16 | 真空紫外線励起発光素子用蛍光体 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004101710A1 true WO2004101710A1 (ja) | 2004-11-25 |
Family
ID=33447300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006795 WO2004101710A1 (ja) | 2003-05-16 | 2004-05-13 | 蛍光体及び真空紫外線励起発光素子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7622057B2 (ja) |
EP (1) | EP1632545B1 (ja) |
JP (1) | JP4222099B2 (ja) |
KR (1) | KR20060011980A (ja) |
CN (1) | CN100344726C (ja) |
TW (1) | TW200504173A (ja) |
WO (1) | WO2004101710A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1666563A1 (en) * | 2003-06-11 | 2006-06-07 | Sumitomo Chemical Company, Limited | Ultraviolet excited light-emitting device |
CN100485014C (zh) * | 2005-01-05 | 2009-05-06 | 中国科学院长春光学精密机械与物理研究所 | 一种近紫外荧光粉的制备方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070247051A1 (en) * | 2004-09-07 | 2007-10-25 | Sumitomo Chemical Company, Limited | Phosphor, Phosphor Paste and Light-Emitting Device |
US20100127612A1 (en) * | 2005-03-24 | 2010-05-27 | Yoshiko Nakamura | Phosphor and electron beam excited light-emitting device |
JP4994678B2 (ja) * | 2006-03-01 | 2012-08-08 | キヤノン株式会社 | 緑色蛍光体及びその製造方法 |
EP2052052B1 (en) * | 2006-12-29 | 2011-10-05 | LG Innotek Co., Ltd. | Phosphor material, coating phosphor composition, method of preparing phosphor material and light emitting device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002332481A (ja) * | 2000-09-29 | 2002-11-22 | Sumitomo Chem Co Ltd | 真空紫外線励起発光素子用の蛍光体 |
JP2003142004A (ja) * | 2001-10-31 | 2003-05-16 | Hitachi Ltd | 発光装置及びこれを用いた表示装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6714517A (ja) * | 1967-10-26 | 1969-04-29 | ||
TW370559B (en) * | 1996-01-22 | 1999-09-21 | Kasei Optonix | Light-storage fluorophor |
US6802990B2 (en) * | 2000-09-29 | 2004-10-12 | Sumitomo Chemical Company, Limited | Fluorescent substances for vacuum ultraviolet radiation excited light-emitting devices |
EP1353354A4 (en) * | 2001-10-23 | 2007-12-12 | Matsushita Electric Ind Co Ltd | PLASMA SCREEN COMPONENT |
TWI290329B (en) * | 2001-10-30 | 2007-11-21 | Hitachi Ltd | Plasma display device, luminescent device and image and information display system using the same |
JP2004285233A (ja) * | 2003-03-24 | 2004-10-14 | Sumitomo Chem Co Ltd | 蛍光体の製造方法 |
-
2003
- 2003-05-16 JP JP2003138620A patent/JP4222099B2/ja not_active Expired - Fee Related
-
2004
- 2004-05-13 KR KR1020057020725A patent/KR20060011980A/ko not_active Application Discontinuation
- 2004-05-13 EP EP04732764A patent/EP1632545B1/en not_active Expired - Lifetime
- 2004-05-13 CN CNB200480013378XA patent/CN100344726C/zh not_active Expired - Fee Related
- 2004-05-13 US US10/556,680 patent/US7622057B2/en not_active Expired - Fee Related
- 2004-05-13 WO PCT/JP2004/006795 patent/WO2004101710A1/ja active Application Filing
- 2004-05-14 TW TW093113751A patent/TW200504173A/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002332481A (ja) * | 2000-09-29 | 2002-11-22 | Sumitomo Chem Co Ltd | 真空紫外線励起発光素子用の蛍光体 |
JP2003142004A (ja) * | 2001-10-31 | 2003-05-16 | Hitachi Ltd | 発光装置及びこれを用いた表示装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1632545A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1666563A1 (en) * | 2003-06-11 | 2006-06-07 | Sumitomo Chemical Company, Limited | Ultraviolet excited light-emitting device |
EP1666563A4 (en) * | 2003-06-11 | 2008-07-02 | Sumitomo Chemical Co | ULTRAVIOLET ANTICIPATED LIGHT EMITTING DEVICE |
US7791261B2 (en) | 2003-06-11 | 2010-09-07 | Sumitomo Chemical Company, Limited | Ultraviolet excited light-emitting device |
CN100485014C (zh) * | 2005-01-05 | 2009-05-06 | 中国科学院长春光学精密机械与物理研究所 | 一种近紫外荧光粉的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
US7622057B2 (en) | 2009-11-24 |
JP2004339401A (ja) | 2004-12-02 |
EP1632545A4 (en) | 2008-01-02 |
US20070029524A1 (en) | 2007-02-08 |
KR20060011980A (ko) | 2006-02-06 |
CN100344726C (zh) | 2007-10-24 |
TW200504173A (en) | 2005-02-01 |
EP1632545B1 (en) | 2011-05-11 |
TWI336725B (ja) | 2011-02-01 |
EP1632545A1 (en) | 2006-03-08 |
CN1791657A (zh) | 2006-06-21 |
JP4222099B2 (ja) | 2009-02-12 |
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