发明名称 |
ORGANISCHE ELEKTROLUMINESZENTE VORRICHTUNG MIT STABILISIERTER KATHODE. |
摘要 |
An organic electroluminescent device (100) is disclosed which is protected from dark spot formation. The device is comprised of, in sequence, a support (102), an anode (104), an organic electroluminescent medium (106), and a cathode (118). The cathode (118) contains a plurality of metals, at least one of which is a low work function metal other than an alkali metal. Overlying the cathode (118) is a protective layer (122) comprised of a mixture of at least one organic component of the organic electroluminescent medium and at least one metal having a work function in the range of from 4.0 to 4.5 eV capable of being oxidized in the presence of ambient moisture. <IMAGE> |
申请公布号 |
AT112438(T) |
申请公布日期 |
1994.10.15 |
申请号 |
AT19910112317T |
申请日期 |
1991.07.23 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
VAN SLYKE, STEVEN ARLAND, EASTMAN KODA;DEPARTMENT, 343 STATE STREET |
分类号 |
H01L51/50;C09K11/06;H01L51/52;H05B33/04;H05B33/12;H05B33/14;H05B33/26 |
主分类号 |
H01L51/50 |
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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