发明名称 |
Phosphor, method of manufacturing it and plasma display panel containing this phosphor |
摘要 |
<p>The present invention aims to provide a Eu-activated phosphor that maintains high wavelength conversion efficiency and suppresses deterioration with time due to vacuum ultraviolet irradiation, as well as a plasma display panel having superior display performance by suppressing sticking image caused by deterioration of the phosphor with time. To this end, the present invention provides a europium-activated phosphor where a divalent europium ratio of each phosphor particle constituting the phosphor is lower at and in a vicinity of a particle surface than for the particle as a whole. With such phosphor particles, it is possible to obtain the Eu-activated phosphor that has high maintaining ratio of emission intensity and high performance in suppressing deterioration with time in comparison with a conventional phosphor.</p> |
申请公布号 |
EP1513182(A2) |
申请公布日期 |
2005.03.09 |
申请号 |
EP20040255276 |
申请日期 |
2004.09.01 |
申请人 |
PANASONIC CORPORATION |
发明人 |
SAKAI, MASAHIRO;ZUKAWA, TAKEHIRO;SHIRAISHI, SEIGO |
分类号 |
C09K11/80;H01J1/63;C09K11/08;C09K11/64;C09K11/77;H01J11/12;H01J11/22;H01J11/24;H01J11/26;H01J11/34;H01J11/42;(IPC1-7):H01J1/63 |
主分类号 |
C09K11/80 |
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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