发明授权
US09023241B2 Silicon nitride powder for siliconnitride phosphor, Sr3Al3Si13O2N21 phosphor and β-sialon phosphor both obtained using same, and processes for producing these
有权
氮化硅粉末，氮化硅粉末，Sr 3 Al 3 Si 13 O 2 N 21荧光粉和使用其的硅铝酸盐荧光体，以及用于制造它们的方法
- 专利标题： Silicon nitride powder for siliconnitride phosphor, Sr3Al3Si13O2N21 phosphor and β-sialon phosphor both obtained using same, and processes for producing these
- 专利标题（中）： 氮化硅粉末，氮化硅粉末，Sr 3 Al 3 Si 13 O 2 N 21荧光粉和使用其的硅铝酸盐荧光体，以及用于制造它们的方法
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申请号： US13816634申请日： 2011-07-29
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公开(公告)号： US09023241B2公开(公告)日： 2015-05-05
- 发明人: Masataka Fujinaga , Takuma Sakai , Shinsuke Jida
- 申请人： Masataka Fujinaga , Takuma Sakai , Shinsuke Jida
- 申请人地址： JP
- 专利权人： Ube Industries, Ltd
- 当前专利权人： Ube Industries, Ltd
- 当前专利权人地址： JP
- 代理机构： Clark Hill PLC
- 优先权： JP2010-184041 20100819; JP2010-188649 20100825
- 国际申请： PCT/JP2011/067509 WO 20110729
- 国际公布： WO2012/023414 WO 20120223
- 主分类号： C09K11/08
- IPC分类号： C09K11/08 ; C09K11/77 ; C01B21/068 ; C01B21/082
摘要：
Provided is a silicon nitride powder for siliconitride phosphor having high luminance, a Sr3Al3Si13O2N21 phosphor and a β-Sialon phosphor using the powder, which can be used for vacuum fluorescent displays (VFDs), field emission displays (FEDs), plasma display panels (PDPs), cathode ray tubes (CRTs), light emitting diodes (LEDs), or the like, and processes for producing these phosphors. The silicon nitride powder for the siliconitride phosphors is a crystalline silicon nitride powder for use as a raw material for producing siliconitride phosphors including a silicon element, a nitrogen element, and an oxygen element, and has an average particle diameter of 1.0 to 12 μm and an oxygen content of 0.2 to 0.9% by weight.
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