发明名称 |
EL phosphor powder and EL device |
摘要 |
Disclosed is EL phosphor powder which contains phosphor particles that comprise zinc sulfide as the matrix thereof and contain an activator and a co-activator, wherein at least 30% of the projected area of the phosphor particles contained in the EL phosphor powder are those having an aspect ratio (length of major axis/length of minor axis) of at least 1.5. The EL phosphor powder emits light of higher brightness.
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申请公布号 |
US2004234747(A1) |
申请公布日期 |
2004.11.25 |
申请号 |
US20040820724 |
申请日期 |
2004.04.09 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
URABE SHIGEHARU |
分类号 |
H05B33/14;B32B27/02;C01G9/08;C09K11/00;C09K11/56;C09K11/57;C09K11/58;H01J1/62;(IPC1-7):B32B27/02 |
主分类号 |
H05B33/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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