Encapsulated organic light emitting device
US5952778A · kind A · utility
343Cited by
20References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Mar 18, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/8445
Abstract
The invention relates to an encapsulated organic light emitting device having an improved protective covering comprising a first layer of passivating metal, a second layer of an inorganic dielectric material and a third layer of polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.