Organic electroluminescent devices having improved power conversion efficiencies
US4539507A · kind A · utility
833Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1983 |
| Grant date | Sep 3, 1985 |
| Priority date | — |
| Expiry date | Mar 25, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/656
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electroluminescent devices are disclosed comprising a hole-injecting zone and an adjacent organic luminescent zone, the device having a power conversion efficiency of at least 9.times.10.sup.-5 w/w and said zones having a combined thickness no greater than about 1 micron.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.