| 发明名称 |
9-aryl and bisaryl substituted polyfluorenes |
| 摘要 |
A polymer formed from optionally substituted first repeat units of formula (I) wherein Ar is selected from (a) aromatic hydrocarbon substituted with at least one electron withdrawing group or electron withdrawing heteroaryl. The polymers have application in electroluminescent devices.
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| 申请公布号 |
US7494720(B2) |
申请公布日期 |
2009.02.24 |
| 申请号 |
US20030533989 |
申请日期 |
2003.11.04 |
| 申请人 |
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED |
发明人 |
BURROUGHES JEREMY;FRIEND RICHARD;FODEN CLARE |
| 分类号 |
H01L51/54;C08G61/00;C08G61/02;C09K11/06;H01L51/00;H01L51/30;H01L51/50;H05B33/14 |
主分类号 |
H01L51/54 |
| 代理机构 |
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代理人 |
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