Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer
US8785921B2 · kind B2 · utility
1Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2009 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Mar 5, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device capable of having an easy production process and achieving a long lifetime. The device has a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes. The positive hole injection transport layer has a transition metal-containing nanoparticle containing at least a transition metal compound including a transition metal oxide, a transition metal and a protecting agent, or at least the transition metal compound including the transition metal oxide, and the protecting agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.