Method of encapsulating organic electroluminescence device and organic electroluminescence device
US5962962A · kind A · utility
302Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1997 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Mar 5, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/846
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of encapsulation for an organic EL device, which overcomes the difficulty of conventional methods by fully preventing the growth of dark spots in the organic EL device by providing an inert liquid layer having a dissolved oxygen concentration of 1 ppm or less on the periphery of the organic EL device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.