Organic electroluminescent device having a high contrast ratio
US6185032A · kind A · utility
7Cited by
1References
2Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 22, 1999 |
| Grant date | Feb 6, 2001 |
| Priority date | — |
| Expiry date | Mar 22, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/60
Abstract
A high contrast organic electroluminescent device has a transparent substrate, a transparent electrode layer, a metallic electrode layer, and an organic interlayer disposed between and in close contact with the electrode layers, the organic interlayer being comprised of an organic luminescent layer, an optional hole transport layer and an optional electron transport layer, wherein a dark conductive metal alloy layer is inserted between the organic interlayer and the metallic electrode layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.