Electroluminescent device
US8216874B2 · kind B2 · utility
0Cited by
11References
18Claims
0Family size
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Key dates
| Filing date | Apr 30, 2009 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Apr 30, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/631
Abstract
An optical device comprising an anode, a cathode comprising barium, strontium or calcium, and a layer of organic semiconducting material between the anode and the cathode wherein a layer of hole transporting and electron blocking material is located between the anode and the layer of organic semiconducting material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.