Organic electroluminescent display device having bi-layer electron injection structure
US7126271B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2003 |
| Grant date | Oct 24, 2006 |
| Priority date | — |
| Expiry date | Apr 15, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/324
Abstract
An organic electroluminescent display device including a first electrode and a second electrode formed on a substrate, and a plurality of organic film layers between the first and second electrodes, including a first organic film layer provided between the emitting layer and the second electrode, and a second organic film provided between the emitting layer and the first organic film layer, wherein the first organic film layer includes a first organic metal complex compound, and the second organic film layer includes a mixture of a charge carrier transport material and a second organic metal complex compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.