Doping of organic opto-electronic devices to extend reliability
US7179543B2 · kind B2 · utility
8Cited by
26References
26Claims
0Family size
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Key dates
| Filing date | Oct 6, 2003 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Apr 18, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
Abstract
The present invention is directed to multi-layer organic devices having improved stability, wherein at least one layer of the device comprises a host material that is morphologically unstable and a dopant material that provides improved morphological properties to the layer. The layer may be incorporated into, for example, OLEDs, organic phototransistors, organic photovoltaic cells, and organic photodetectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.