Organic electroluminescent device and preparation method thereof
US8866128B2 · kind B2 · utility
1Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2007 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Nov 6, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method capable of considerably improving the characteristics of an organic electroluminescent device. The present invention provides a method capable of reducing operating voltage and improving efficiency by inserting an inorganic oxide interlayer configured of at least one layer between light-emitting layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.