发明名称 |
Elektrolumineszente Vorrichtung |
摘要 |
An electroluminescent device comprising: a first charge-carrier injecting layer for injecting positive charge carriers and a second charge-carrier injecting layer for injecting negative charge carriers, at least one of the charge-carrier injecting layers being patterned so as to comprise spaced-apart charge-injecting regions; an organic light-emitting layer located between the first and second charge-carrier injecting layers; and an unpatterned conductive polymer layer located between the organic light-emitting layer and the patterned charge-carrier injecting layer, the resistivity of the conductive polymer layer being sufficiently low to allow charge carriers to flow through it from the charge-injecting regions to generate light in the organic light-emitting layer but greater than 10<6> Ohms/square so as to resist lateral spreading of charge carriers beyond the charge-injecting regions. <IMAGE> |
申请公布号 |
DE69819270(D1) |
申请公布日期 |
2003.12.04 |
申请号 |
DE1998619270 |
申请日期 |
1998.08.27 |
申请人 |
CAMBRIDGE DISPLAY TECHNOLOGY LTD., CAMBRIDGE |
发明人 |
TOWNS, CARL ROBERT;HEEKS, KARL STEPHEN;CARTER, JULIAN CHARLES |
分类号 |
H01L27/32;H01L51/00;H01L51/30;H01L51/50;H01L51/52;(IPC1-7):H01L51/20;H01L27/00 |
主分类号 |
H01L27/32 |
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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