发明授权
- 专利标题： Phosphor and manufacturing method for the same, and light emitting device using the phosphor
- 专利标题（中）： 荧光体及其制造方法以及使用该荧光体的发光装置
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申请号： US11149317申请日： 2005-06-10
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公开(公告)号： US07476336B2公开(公告)日： 2009-01-13
- 发明人: Akira Nagatomi , Tetsuya Ikuta , Shuji Yamashita
- 申请人： Akira Nagatomi , Tetsuya Ikuta , Shuji Yamashita
- 申请人地址： JP Tokyo
- 专利权人： DOWA Electronics Materials Co., Ltd.
- 当前专利权人： DOWA Electronics Materials Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oliff & Berridge, PLC
- 优先权： JP2005-133606 20050428
- 主分类号： C09K11/59
- IPC分类号： C09K11/59 ; C09K11/64
摘要：
To provide a phosphor having an emission spectrum with a broad peak in range from green color to red color, and having excellent emission efficiency and luminance. A phosphor is provided, which is given by a general composition formula expressed by MmAaBbOoNn:Z, (where element M is more than one kind of element having bivalent valency, element A is more than one kind of element having tervalent valency, element B is more than one kind of element having tetravalent valency, O is oxygen, N is nitrogen, and element Z is more than one kind of element acting as an activator.), satisfying 2.5
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