发明名称 |
Electroluminescent elements |
摘要 |
The present invention relates to an electroluminescent element formed by placing a luminescing substance between an anode and a cathode, such that when electrical energy is applied to the element, light is emitted having a peak wavelength of at least 580 nm. The luminescing substance comprises a fluorescent compound have a fluorescent maximum at about 540 nm or above and a compound having a pyrromethene structure (I) or metal complexes thereof.
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申请公布号 |
US6921589(B2) |
申请公布日期 |
2005.07.26 |
申请号 |
US20020173446 |
申请日期 |
2002.06.18 |
申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
KOHAMA AKIRA;TOMINAGA TSUYOSHI;KITAZAWA DAISUKE;HIMESHIMA YOSHIO |
分类号 |
C09K11/06;G09F13/22;H01L51/00;H01L51/30;H01L51/50;H05B33/14;(IPC1-7):H05B33/14 |
主分类号 |
C09K11/06 |
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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