Organic electroluminescent device having a protective covering comprising organic and inorganic layers
US6198217A · kind A · utility
408Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1998 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | May 8, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/844
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An organic electroluminescent device comprises an electroluminescent unit having an organic layer structure provided between a pair of electrodes and capable of emitting light on application of a voltage thereto. The electroluminescent unit is covered with a protective double layer made of an organic barrier layer and an inorganic barrier layer formed on the unit in this order.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.