Organic electroluminescent device employing multi-layered anode
US7190111B2 · kind B2 · utility
34Cited by
9References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Oct 27, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/3026
Abstract
An organic electroluminescent (EL) device includes a substrate, a first anode formed on the substrate with a reflectivity of 60% or higher, a second anode formed on the first anode, wherein the second anode includes a conductive metal or an oxide thereof having a work function of 4.3 to 5.8 eV, an organic layer formed on the second anode, and a cathode formed on the organic layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.