WO2004020550A1 - 蛍光体および真空紫外線励起発光素子 - Google Patents
蛍光体および真空紫外線励起発光素子 Download PDFInfo
- Publication number
- WO2004020550A1 WO2004020550A1 PCT/JP2003/010900 JP0310900W WO2004020550A1 WO 2004020550 A1 WO2004020550 A1 WO 2004020550A1 JP 0310900 W JP0310900 W JP 0310900W WO 2004020550 A1 WO2004020550 A1 WO 2004020550A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphor
- group
- range
- numerical value
- vacuum ultraviolet
- 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
-
- 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
- C09K11/77742—Silicates
-
- 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
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/77922—Silicates
-
- 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 and a VUV-excited light emitting device including the phosphor. More specifically, the present invention relates to a phosphor which is excited by vacuum ultraviolet rays and exhibits high luminance, and a vacuum ultraviolet ray excited light emitting device including the phosphor. Background art
- An object of the present invention is to provide a phosphor which exhibits high luminance and is suitable for a vacuum ultraviolet ray excited light emitting device.
- the present inventors have conducted research in order to solve the above-mentioned problems, and as a result, have found a phosphor which is excited by vacuum ultraviolet light and exhibits high luminance, and has completed the present invention.
- the present invention relates to at least one metal element MY, La, Gd and Lu selected from the group consisting of Ca, Sr and Ba, and at least one metal element M 2 , Si and G selected from the group consisting of Lu.
- e a metal oxide containing at least one metal element M 3 selected from the group consisting of e and oxygen, and C e, Pr, Nd, Pm, Sm, Eu, Tb, Dy, Ho, and E r as activators.
- a phosphor containing at least one metal element L n 1 selected from the group consisting of: Tm, Yb, and Mn Things.
- the present invention provides a vacuum ultraviolet ray excited light emitting device including the above phosphor.
- the phosphor of the present invention is excited by vacuum ultraviolet rays and shows high brightness, and is particularly suitably used for vacuum ultraviolet ray excited light emitting devices such as PDPs and rare gas lamps.
- ADVANTAGE OF THE INVENTION According to the fluorescent substance of this invention, the high-intensity vacuum ultraviolet ray excitation light emitting element is provided. DESCRIPTION OF THE EMBODIMENTS OF THE INVENTION
- the phosphor of the present invention comprises at least one metal element selected from the group consisting of Ca, Sr and Ba, and at least one metal element selected from the group consisting of M 1 Y, La, Gd and Lu.
- At least one metal element M 3 selected from the group consisting of M 2 , Si, and Ge, and a metal oxide containing oxygen, and Ce, Pr, Nd, Pm, Sm, Eu, Tb, dy, including Ho, E r, Tm, at least one metal element Ln 1 selected from the group consisting of Yb and Mn.
- M 1 is a divalent metal
- M 2 is a trivalent metal
- M 3 is a tetravalent metal.
- the phosphor of the present invention preferably contains a metal oxide represented by the formula (I).
- the phosphor of the present invention has different emission colors depending on the metal element contained as an activator and its valence. For example, when the activator is trivalent Tb, the phosphor usually emits green light. At this time, a part of M 2 of the metal oxide is replaced by trivalent Tb.
- Ln 2 is at least one selected from the group consisting of Sm, Eu, Yb and Mn, a is a numerical value in the range of 0 to 0.5, and b is a numerical value in the range of 0 to 0.5. The sum of a and b is greater than 0.
- Tsu 1 desirability I phosphor of the present invention wherein M 1 3 M 2 2 M 3 2 0 1.
- Ln 1 and Ln 2 as activators
- the method for producing the phosphor of the present invention is not particularly limited, and is, for example, a mixture of a metal compound and a metal oxide containing MM 2 , M 3 and oxygen (O) by firing. , have good long as the method of firing the mixture to form a phosphor comprising an L n 1.
- Phosphor of the present invention a compound containing M 1 (calcium compound, strontium compound, a barium compound), a compound containing M 2 (yttrium compound, a lanthanum compound, a gadolinium compound, a ruthenium compound), a compound containing M 3 (Keimoto compounds, germanium compounds) and compounds containing Ln 1 (cerium, Puraseo gym, neodymium, promethium, samarium, europium, Tenorebiumu, Soo Puroshiumu, holmium, erbium, thulium, compounds containing ytterbium or manga. down the), phosphor After weighing and mixing to obtain a desired yarn, the mixture is fired.
- the present invention is one of the preferred phosphors of the formula Ca 2 (YQ. 95 EU .. 05) 2 phosphor represented by S i 2 0 9, for example, calcium carbonate (Ca C_ ⁇ 3), oxide i Ttoriumu (Y 2 0 3), europium oxide (Eu 2 ⁇ 3), oxidation Kei containing the (S I_ ⁇ 2), C a C_ ⁇ 3: Y 2 0 3: E u 2 O 3: S i 0
- the monole ratio of 2 is set to 1: 0.475: 0.025: 1 (the molar ratio of Ca: Y: Eu: Si is 1: 0.95: 0.05: 1).
- the raw materials used for producing the phosphor of the present invention that is, calcium compounds, strontium compounds, barium compounds, yttrium compounds, lanthanum compounds, gadolinium compounds, ruthenium compounds, silicon compounds, and germanium compounds are Includes hydroxides, carbonates, nitrates, halides or oxalates that decompose in high-temperature air to form oxides and are high-purity (99% by weight or more). At this time, the raw material may contain a high-purity (99% by weight or more) oxide.
- the mixing of the raw materials is usually performed using an industrially used ball mill, V-type mixer or a stirrer.
- a compound that decomposes in a high-temperature atmosphere to form an oxide such as hydroxide, carbonate, nitrate, halide, or oxalate
- a mixture containing this compound is used before firing. It is calcined. Calcination decomposes some of the compounds in the mixture or removes water from the mixture. The calcination is performed in a temperature range of about 600 to about 900C.
- the atmosphere during the calcination is not particularly limited, and may be any of an oxidizing atmosphere, a reducing atmosphere, and an inert atmosphere such as nitrogen or argon.
- the resulting mixture or calcined mixture is fired.
- the calcination is usually performed under the conditions of about 1000 ° C. to about 170 ° C. for about 1 hour to about 100 hours.
- the preferred atmosphere for firing depends on the activator used.
- the calcination atmosphere is preferably an oxidizing atmosphere such as argon containing oxygen, air or oxygen.
- a reducing atmosphere such as nitrogen containing 0.1 to 10% by volume of hydrogen and argon containing 0.1 to 10% by volume of hydrogen is preferable.
- the calcination is performed using the oxidizing atmosphere (including oxygen).
- calcination is preferably performed in the above-described reducing atmosphere (nitrogen containing 0.1 to 10% by volume of hydrogen, hydrogen, or the like). . it is preferably carried out at 1 to 1, such as 0 vol 0/0 contains argon).
- the firing may be performed in the presence of an appropriate amount of flux from the viewpoint of accelerating the reaction. Furthermore, baking may be performed twice or more. By repeating baking two or more times, phosphor particles having higher crystallinity may be obtained.
- the obtained calcined product is pulverized, crushed, washed or classified as necessary. Pulverization and pulverization are performed using, for example, a ball mill, a jet mill, or the like. Since the phosphor of the present invention obtained by the above-described method exhibits high brightness when excited by vacuum ultraviolet rays, it can be applied to vacuum ultraviolet ray excited light emitting elements of PDPs and rare gas lamps.
- the VUV-excited light emitting device contains a phosphor, and usually includes the above phosphor, a substrate, and an electrode, and more specifically, a back substrate, an address electrode, a partition, a protective layer, a dielectric layer, and a transparent layer. Includes electrodes, bus electrodes and surface glass substrates.
- a PDP to which the phosphor of the present invention is applied is manufactured by a known method as disclosed in Japanese Patent Application Laid-Open No. 10-195428.
- a phosphor paste is prepared by mixing each of the phosphors for the VUV-excited light emitting device for emitting blue, green, and red light with a binder composed of a polymer such as a cellulose compound and polyvinyl alcohol and an organic solvent. .
- This paste is applied to the surface of the stripe-shaped substrate provided with address electrodes and the partition surface by partitioning the inner surface of the rear substrate by a method such as screen printing, and then at 300 to 600 ° C.
- each phosphor layer is formed.
- 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 overlaid and bonded.
- a rare gas such as low-pressure xenon (Xe) or neon (Ne)
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Gas-Filled Discharge Tubes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03791361A EP1541659B1 (en) | 2002-08-29 | 2003-08-28 | Phosphor and vacuum ultraviolet ray excited luminescent element |
AU2003261783A AU2003261783A1 (en) | 2002-08-29 | 2003-08-28 | Phosphor and vacuum ultraviolet ray exited luminescent element |
US10/525,014 US7736535B2 (en) | 2002-08-29 | 2003-08-28 | Phosphor and vacuum ultraviolet excited luminescent element |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-250353 | 2002-08-29 | ||
JP2002250353A JP4228628B2 (ja) | 2002-08-29 | 2002-08-29 | 真空紫外線励起発光素子用蛍光体 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004020550A1 true WO2004020550A1 (ja) | 2004-03-11 |
Family
ID=31972623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/010900 WO2004020550A1 (ja) | 2002-08-29 | 2003-08-28 | 蛍光体および真空紫外線励起発光素子 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7736535B2 (ja) |
EP (1) | EP1541659B1 (ja) |
JP (1) | JP4228628B2 (ja) |
KR (1) | KR20050058508A (ja) |
AU (1) | AU2003261783A1 (ja) |
WO (1) | WO2004020550A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008047965A1 (en) * | 2006-10-20 | 2008-04-24 | Lucimea Co., Ltd. | Luminescent material for emitting white light, preparation method thereof, and white light emitting diode using the material |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10209191A1 (de) * | 2002-03-04 | 2003-09-18 | Philips Intellectual Property | Vorrichtung zur Erzeugung von UV-Strahlung |
JP4782447B2 (ja) * | 2005-03-15 | 2011-09-28 | 国立大学法人東北大学 | 蛍光体 |
CN102690656A (zh) * | 2012-05-30 | 2012-09-26 | 内蒙古科技大学 | 一种硅酸盐发光材料及其制备方法 |
CN103642496A (zh) * | 2014-01-13 | 2014-03-19 | 济南凯特利新材料技术有限公司 | 一种led灯用黄光荧光粉及其制备方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1254110A (en) | 1968-05-13 | 1971-11-17 | Thorn Electrical Ind Ltd | Alkaline earth metal halosilicate phosphors |
JPS4838316B1 (ja) * | 1970-09-09 | 1973-11-16 | ||
US4052329A (en) * | 1973-03-02 | 1977-10-04 | Matsushita Electric Industrial Co., Ltd. | Method of preparing cerium-activated yttrium silicate phosphor |
EP0021536A1 (en) * | 1979-06-26 | 1981-01-07 | Koninklijke Philips Electronics N.V. | Luminescent silicate, luminescent screens and lamps comprising such a luminescent silicate |
JPS5730782A (en) * | 1980-08-01 | 1982-02-19 | Hitachi Ltd | Fluorescent material and its preparation |
JPS59193983A (ja) * | 1983-04-19 | 1984-11-02 | Kasei Optonix Co Ltd | 希土類珪酸塩螢光体 |
JPH10140149A (ja) * | 1996-11-14 | 1998-05-26 | Nichia Chem Ind Ltd | 短残光性蛍光体 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4738587Y1 (ja) | 1966-05-16 | 1972-11-22 | ||
GB1452180A (en) * | 1973-03-02 | 1976-10-13 | Matsushita Electric Ind Co Ltd | Pulse generator |
JPS5750833B2 (ja) | 1973-03-02 | 1982-10-29 | ||
NL7807274A (nl) * | 1978-03-10 | 1979-09-12 | Philips Nv | Luminescerende stof, luminescerend scherm voorzien van een dergelijke stof en lagedrukkwikdampontladingslamp voorzien van een dergelijk scherm. |
NL184712C (nl) | 1979-07-03 | 1989-10-02 | Philips Nv | Lagedrukkwikdampontladingslamp. |
NL8701924A (nl) * | 1987-08-17 | 1989-03-16 | Philips Nv | Luminescerend met eu3+ geactiveerd silikaat, luminescerend scherm, voorzien van een dergelijk silikaat en lagedrukkwikdampontladingslamp, voorzien van een dergelijk scherm. |
DE19962029A1 (de) * | 1999-12-22 | 2001-06-28 | Philips Corp Intellectual Pty | Plasmabildschirm mit rotem Leuchtstoff |
-
2002
- 2002-08-29 JP JP2002250353A patent/JP4228628B2/ja not_active Expired - Fee Related
-
2003
- 2003-08-28 AU AU2003261783A patent/AU2003261783A1/en not_active Abandoned
- 2003-08-28 KR KR1020057003152A patent/KR20050058508A/ko not_active Application Discontinuation
- 2003-08-28 US US10/525,014 patent/US7736535B2/en not_active Expired - Fee Related
- 2003-08-28 WO PCT/JP2003/010900 patent/WO2004020550A1/ja active Application Filing
- 2003-08-28 EP EP03791361A patent/EP1541659B1/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1254110A (en) | 1968-05-13 | 1971-11-17 | Thorn Electrical Ind Ltd | Alkaline earth metal halosilicate phosphors |
JPS4838316B1 (ja) * | 1970-09-09 | 1973-11-16 | ||
US4052329A (en) * | 1973-03-02 | 1977-10-04 | Matsushita Electric Industrial Co., Ltd. | Method of preparing cerium-activated yttrium silicate phosphor |
EP0021536A1 (en) * | 1979-06-26 | 1981-01-07 | Koninklijke Philips Electronics N.V. | Luminescent silicate, luminescent screens and lamps comprising such a luminescent silicate |
JPS5730782A (en) * | 1980-08-01 | 1982-02-19 | Hitachi Ltd | Fluorescent material and its preparation |
JPS59193983A (ja) * | 1983-04-19 | 1984-11-02 | Kasei Optonix Co Ltd | 希土類珪酸塩螢光体 |
JPH10140149A (ja) * | 1996-11-14 | 1998-05-26 | Nichia Chem Ind Ltd | 短残光性蛍光体 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1541659A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008047965A1 (en) * | 2006-10-20 | 2008-04-24 | Lucimea Co., Ltd. | Luminescent material for emitting white light, preparation method thereof, and white light emitting diode using the material |
JP2010506994A (ja) * | 2006-10-20 | 2010-03-04 | ルシメア カンパニー リミテッド | 白色発光材料、その調製方法及びこの材料を利用した白色光発光ダイオード |
Also Published As
Publication number | Publication date |
---|---|
US7736535B2 (en) | 2010-06-15 |
EP1541659A4 (en) | 2007-09-05 |
US20050269551A1 (en) | 2005-12-08 |
EP1541659B1 (en) | 2011-08-03 |
EP1541659A1 (en) | 2005-06-15 |
KR20050058508A (ko) | 2005-06-16 |
JP2004083828A (ja) | 2004-03-18 |
JP4228628B2 (ja) | 2009-02-25 |
AU2003261783A1 (en) | 2004-03-19 |
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