JP2010163357A5 - - Google Patents
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- JP2010163357A5 JP2010163357A5 JP2009287272A JP2009287272A JP2010163357A5 JP 2010163357 A5 JP2010163357 A5 JP 2010163357A5 JP 2009287272 A JP2009287272 A JP 2009287272A JP 2009287272 A JP2009287272 A JP 2009287272A JP 2010163357 A5 JP2010163357 A5 JP 2010163357A5
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- halogen
- range
- magnesium oxide
- fine powder
- oxide fine
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 64
- 229910052736 halogen Inorganic materials 0.000 claims description 52
- 150000002367 halogens Chemical class 0.000 claims description 52
- 239000000843 powder Substances 0.000 claims description 33
- 239000000395 magnesium oxide Substances 0.000 claims description 32
- 239000010410 layer Substances 0.000 claims description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000011241 protective layer Substances 0.000 claims description 11
- 238000010894 electron beam technology Methods 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011164 primary particle Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Description
従って、本発明は、マグネシウム蒸気１ｋｇに対して、ハロゲンが０．０１〜５００ｇの範囲の量にて存在する気体雰囲気下で、マグネシウム蒸気と酸素含有気体とを接触させることを特徴とするハロゲンを０．００１〜１０質量％の範囲にて含有し、ＢＥＴ比表面積が３４〜３５０ｍ 2 ／ｇの範囲にあるハロゲン含有酸化マグネシウム微粉末の製造方法にある。 Accordingly, the present invention provides a halogen characterized by bringing magnesium vapor into contact with an oxygen-containing gas in a gas atmosphere in which halogen is present in an amount ranging from 0.01 to 500 g per kg of magnesium vapor. It exists in the manufacturing method of the halogen containing magnesium oxide fine powder which contains in 0.001-10 mass%, and has a BET specific surface area in the range of 34-350 m < 2 > / g .
本発明はまた、ハロゲンを０．００１〜１０質量％の範囲にて含有し、ＢＥＴ比表面積が３４〜３５０ｍ2／ｇの範囲にあるハロゲン含有酸化マグネシウム微粉末を含む、交流型プラズマディスプレイパネルの誘電体保護層の形成用材料、電子線で励起されて波長２００〜３００ｎｍの範囲にピーク波長を有する紫外光を発光する発光材料、交流型プラズマディスプレイパネルの蛍光体層を構成する蛍光体に混合するための二次電子放出材、そして交流型プラズマディスプレイパネルの蛍光体層の放電空間に接する側の表面に積層される二次電子放出層の形成用材料にある。 The present invention also provides an AC plasma display panel comprising halogen-containing magnesium oxide fine powder containing halogen in the range of 0.001 to 10% by mass and having a BET specific surface area in the range of 34 to 350 m 2 / g . A material for forming a dielectric protective layer, a light emitting material that emits ultraviolet light having a peak wavelength in a wavelength range of 200 to 300 nm when excited by an electron beam, and a phosphor constituting a phosphor layer of an AC plasma display panel And a material for forming a secondary electron emission layer laminated on the surface of the phosphor layer of the AC type plasma display panel that is in contact with the discharge space .
上記本発明で用いるハロゲン含有酸化マグネシウム微粉末の好ましい態様は次の通りである。（１）ハロゲンがフッ素及び／又は塩素である。
（２）一次粒子の粒子形状が立方体である。
（３）電子線で励起されて波長２００〜３００ｎｍの範囲にピーク波長を有する紫外光を発光する。
Preferred embodiments of the halogen-containing magnesium oxide fine powder used in the present invention are as follows. (1) The halogen is fluorine and / or chlorine.
(2) The particle shape of the primary particles is a cube.
(3) Emits ultraviolet light having a peak wavelength in a wavelength range of 200 to 300 nm when excited by an electron beam.
本発明はまた、ハロゲンを０．００１〜１０質量％の範囲にて含有し、ＢＥＴ比表面積が３４〜３５０ｍ 2 ／ｇの範囲にあるハロゲン含有酸化マグネシウム微粉末からなる交流型プラズマディスプレイパネルの誘電体保護層にもある。 The present invention also provides a dielectric for an alternating current plasma display panel comprising a halogen-containing magnesium oxide fine powder containing halogen in a range of 0.001 to 10% by mass and having a BET specific surface area in a range of 34 to 350 m 2 / g. It is also in the body protection layer.
本発明はまた、ハロゲンを０．００１〜１０質量％の範囲にて含有し、ＢＥＴ比表面積が３４〜３５０ｍ 2 ／ｇの範囲にあるハロゲン含有酸化マグネシウム微粉末を含む交流型プラズマディスプレイパネルの蛍光体層にもある。 The present invention also provides fluorescence of an alternating current plasma display panel comprising halogen-containing magnesium oxide fine powder containing halogen in the range of 0.001 to 10% by mass and having a BET specific surface area in the range of 34 to 350 m 2 / g. It is also in the body layer.
本発明はさらに、ハロゲンを０．００１〜１０質量％の範囲にて含有し、ＢＥＴ比表面積が３４〜３５０ｍ 2 ／ｇの範囲にあるハロゲン含有酸化マグネシウム微粉末からなる、交流型プラズマディスプレイパネルの蛍光体層の放電空間に接する側の表面に積層される二次電子放出層にもある。 The present invention further provides an AC plasma display panel comprising a halogen-containing magnesium oxide fine powder containing halogen in the range of 0.001 to 10% by mass and having a BET specific surface area in the range of 34 to 350 m 2 / g . There is also a secondary electron emission layer laminated on the surface of the phosphor layer on the side in contact with the discharge space.
本発明で用いるハロゲン含有酸化マグネシウム微粉末は、電子線に励起されて波長２００〜３００ｎｍの範囲にピーク波長を有する紫外光を発光するにもかかわらず、従来の電子線に励起されて波長２００〜３００ｎｍの範囲にピーク波長を有する紫外光を発光する酸化マグネシウム粉末と比較して、粒子径が小さく、可視光透過性が高い。このため、上記のハロゲン含有酸化マグネシウム微粉末を用いて形成した誘電体保護層を備えたＡＣ型ＰＤＰは、放電遅れなどの放電特性が向上すると共に、従来の酸化マグネシウム粉末を用いて形成した誘電体保護層を備えたＡＣ型ＰＤＰと比較して輝度が向上する。また、このような上記のハロゲン含有酸化マグネシウム微粉末を用いて形成した誘電体保護層を備えたＡＣ型ＰＤＰは、電子線に励起されて紫外光を発光する、従来の粒子径の大きい酸化マグネシウム粉末を用いて形成した誘電体保護層を備えたＡＣ型ＰＤＰよりも放電開始電圧を低下させることができる。また、上記のハロゲン含有酸化マグネシウム微粉末を蛍光体に混合して蛍光体層を形成したＡＣ型ＰＤＰや、蛍光体層の放電空間に接する側の表面に上記の酸化マグネシウム微粉末からなる層を積層したＡＣ型ＰＤＰもまた、放電遅れなどの放電特性が向上すると共に、輝度が高くなる。 The halogen-containing magnesium oxide fine powder used in the present invention is excited by an electron beam and emits ultraviolet light having a peak wavelength in the range of 200 to 300 nm. Compared to magnesium oxide powder that emits ultraviolet light having a peak wavelength in the range of 300 nm, the particle diameter is small and visible light permeability is high. For this reason, the AC type PDP provided with the dielectric protective layer formed using the above-mentioned halogen-containing magnesium oxide fine powder has improved discharge characteristics such as discharge delay, and has a dielectric formed using a conventional magnesium oxide powder. The luminance is improved as compared with an AC type PDP having a body protective layer. In addition, the AC type PDP provided with the dielectric protective layer formed using the above-mentioned halogen-containing magnesium oxide fine powder is a conventional magnesium oxide having a large particle diameter that emits ultraviolet light when excited by an electron beam. The discharge start voltage can be lowered as compared with an AC type PDP provided with a dielectric protective layer formed using powder. Furthermore, AC-type PDP and forming a phosphor layer by mixing a halogen-containing magnesium oxide powder of the phosphor, a layer made of the surface of the above magnesium oxide fine powder side in contact with the discharge space of the phosphor layer The laminated AC type PDP also has improved discharge characteristics such as discharge delay and higher luminance.
本発明で用いるハロゲン含有酸化マグネシウム微粉末は、ハロゲンを０．００１〜１０質量％の範囲にて含有する。ハロゲンの含有量は、好ましくは０．０１〜１０質量％の範囲、より好ましくは０．０３〜５質量％の範囲、更に好ましくは０．０３〜３質量％の範囲、特に好ましくは０．１〜１質量％の範囲である。ハロゲン含有酸化マグネシウム微粉末に含まれるハロゲンは、フッ素、塩素、臭素及びヨウ素のうちのいずれか一種であってもよいし、二種以上であってもよい。ハロゲンはフッ素及び塩素であることが好ましく、フッ素であることが更に好ましい。 The halogen-containing magnesium oxide fine powder used in the present invention contains halogen in the range of 0.001 to 10% by mass. The halogen content is preferably in the range of 0.01 to 10% by mass, more preferably in the range of 0.03 to 5% by mass, still more preferably in the range of 0.03 to 3% by mass, particularly preferably 0.1. It is in the range of ˜1% by mass. The halogen contained in the halogen-containing magnesium oxide fine powder may be any one of fluorine, chlorine, bromine and iodine, or may be two or more. Halogen is preferably fluorine and chlorine, more preferably fluorine.
本発明で用いるハロゲン含有酸化マグネシウム微粉末は、ＢＥＴ比表面積が３４ｍ2／ｇ以上、好ましくは３４〜３５０ｍ2／ｇの範囲、より好ましくは４８〜３５０ｍ2／ｇの範囲にあり、更に好ましくは５５〜３５０ｍ2／ｇの範囲にあり、ＢＥＴ比表面積から求められる平均粒子径が５０ｎｍ未満、好ましくは５〜４９ｎｍの範囲、より好ましくは５〜３５ｎｍの範囲、更に好ましくは５〜３０ｎｍの範囲にある極めて微細な粉末である。 Halogen-containing magnesium oxide powder used in the present invention, BET specific surface area of 34m 2 / g or more, there preferably from 34~350m 2 / g, more preferably in the range of 48~350m 2 / g, more preferably in the range of 55~350m 2 / g, an average particle diameter determined from BET specific surface area of less than 50 nm, preferably in the range of 5～49Nm, more preferably in the range of 5～35Nm, more preferably in the range of 5~30nm It is a very fine powder.
本発明で用いるハロゲン含有酸化マグネシウム微粉末は、電子線によって励起されて波長域２００〜３００ｎｍの範囲（好ましくは２３０〜２５０ｎｍの範囲、特に２４０ｎｍ付近）にピーク波長を有する紫外光を発光する特性を有する。本発明で用いるハロゲン含有酸化マグネシウム微粉末は、分散状態の一次粒子からなることが好ましい。一次粒子の粒子形状は立方体であることが好ましい。 The halogen-containing magnesium oxide fine powder used in the present invention emits ultraviolet light having a peak wavelength in the wavelength range of 200 to 300 nm (preferably 230 to 250 nm, particularly around 240 nm) when excited by an electron beam. Have. The halogen-containing magnesium oxide fine powder used in the present invention is preferably composed of primary particles in a dispersed state. The particle shape of the primary particles is preferably a cube.
本発明の製造方法により得られるハロゲン含有酸化マグネシウム微粉末は、ＡＣ型ＰＤＰの誘電体保護層の形成用材料、ＡＣ型ＰＤＰの蛍光層を構成する蛍光体に混合する二次電子放出材、ＡＣ型ＰＤＰの蛍光体層の放電空間に接する側の表面に積層する二次電子放出層の形成用材料として用いることができる。 The halogen-containing magnesium oxide fine powder obtained by the production method of the present invention comprises a material for forming a dielectric protective layer of an AC type PDP, a secondary electron emission material mixed with a phosphor constituting the fluorescent layer of the AC type PDP, AC It can be used as a material for forming a secondary electron emission layer laminated on the surface of the phosphor layer of the type PDP that is in contact with the discharge space.
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009287272A JP5014411B2 (en) | 2008-12-19 | 2009-12-18 | Magnesium oxide fine powder and method for producing the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008324375 | 2008-12-19 | ||
| JP2008324375 | 2008-12-19 | ||
| JP2009287272A JP5014411B2 (en) | 2008-12-19 | 2009-12-18 | Magnesium oxide fine powder and method for producing the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010163357A JP2010163357A (en) | 2010-07-29 |
| JP2010163357A5 true JP2010163357A5 (en) | 2012-03-01 |
| JP5014411B2 JP5014411B2 (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2009287272A Active JP5014411B2 (en) | 2008-12-19 | 2009-12-18 | Magnesium oxide fine powder and method for producing the same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5014411B2 (en) |
| KR (1) | KR101388362B1 (en) |
| CN (1) | CN101811708A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5745821B2 (en) * | 2010-11-12 | 2015-07-08 | タテホ化学工業株式会社 | Fluorine-containing magnesium oxide phosphor and method for producing the same |
| JP5795158B2 (en) * | 2010-11-17 | 2015-10-14 | 宇部マテリアルズ株式会社 | Lithium-containing magnesium oxide powder |
| JP5844185B2 (en) * | 2012-03-19 | 2016-01-13 | 宇部マテリアルズ株式会社 | Magnesium oxide powder |
| US9605200B2 (en) * | 2012-03-26 | 2017-03-28 | Ube Material Industries, Ltd. | Deep-red light-emitting magnesium fluoro-germanate fluoroescent body and method for producing same |
| CN105315992A (en) * | 2014-06-25 | 2016-02-10 | 松下知识产权经营株式会社 | Phosphor, deep ultraviolet light-emitting device and phosphor production method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3395284B2 (en) * | 1993-10-05 | 2003-04-07 | 宇部興産株式会社 | Method for producing high-purity magnesia fine powder |
| JP3941289B2 (en) * | 1998-06-30 | 2007-07-04 | 三菱マテリアル株式会社 | Protective film for PDP or PALC, method for producing the same, and PDP or PALC using the same |
| JP4873680B2 (en) * | 2004-07-22 | 2012-02-08 | 独立行政法人物質・材料研究機構 | Method for producing cubic magnesia powder |
| JP4562742B2 (en) * | 2006-02-21 | 2010-10-13 | 宇部マテリアルズ株式会社 | Fluorine-containing magnesium oxide powder |
| DE102006027334A1 (en) * | 2006-06-13 | 2008-01-10 | Evonik Degussa Gmbh | Process for the preparation of metal oxide powders |
| JP2008239475A (en) * | 2007-03-01 | 2008-10-09 | Ube Material Industries Ltd | Chlorine-containing magnesium oxide powder |
| JP5690468B2 (en) * | 2007-06-27 | 2015-03-25 | タテホ化学工業株式会社 | Luminescent body and manufacturing method thereof |
-
2009
- 2009-12-17 KR KR1020090126231A patent/KR101388362B1/en active IP Right Grant
- 2009-12-18 JP JP2009287272A patent/JP5014411B2/en active Active
- 2009-12-21 CN CN200911000062A patent/CN101811708A/en active Pending
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