发明授权
US09305736B2 Phosphor for dispersion-type EL, dispersion-type EL device, and method of manufacturing the same
有权
用于分散型EL的荧光体，分散型EL器件及其制造方法
- 专利标题： Phosphor for dispersion-type EL, dispersion-type EL device, and method of manufacturing the same
- 专利标题（中）： 用于分散型EL的荧光体，分散型EL器件及其制造方法
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申请号： US14131754申请日： 2012-07-11
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公开(公告)号： US09305736B2公开(公告)日： 2016-04-05
- 发明人: Koichi Wani , Tatsuya Kanda , Emi Hashimoto , Kazushi Kawakami , Sadahiro Yagishita , Fumitaka Iwakura , Taku Nishikawa
- 申请人： Koichi Wani , Tatsuya Kanda , Emi Hashimoto , Kazushi Kawakami , Sadahiro Yagishita , Fumitaka Iwakura , Taku Nishikawa
- 申请人地址： JP Okayama
- 专利权人： TAZMO CO., LTD.
- 当前专利权人： TAZMO CO., LTD.
- 当前专利权人地址： JP Okayama
- 代理机构： Renner, Otto, Boisselle & Sklar, LLP
- 优先权： JP2011-156309 20110715
- 国际申请： PCT/JP2012/067682 WO 20120711
- 国际公布： WO2013/011889 WO 20130124
- 主分类号： C09K11/00
- IPC分类号： C09K11/00 ; C09K11/08 ; C09K11/56 ; H05B33/10 ; H05B33/14 ; H01J7/02 ; C09K11/64 ; C09K11/58 ; C09K11/61 ; B29C43/00 ; B29C43/52
摘要：
Provided is a phosphor for a dispersion-type EL that may be manufactured in a simple process and may provide stable, high brightness and light emission efficiency. The phosphor for a dispersion-type EL according to the present invention includes a mixture of an electron-accepting phosphor particle (4A) and an electron-donating phosphor particle (4B). The electron-accepting phosphor particle (4A) includes a base particle and an acceptor element added thereto, and the electron-donating phosphor particle (4B) includes a base particle and a donor element added thereto. For example, the base particle is a ZnS particle, the acceptor element is Cu, and the donor element is Cl or Al.
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