Organic electroluminescence display device and method of manufacturing same
US6633121B2 · kind B2 · utility
46Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2001 |
| Grant date | Oct 14, 2003 |
| Priority date | — |
| Expiry date | Sep 5, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8792
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An organic electroluminescent device including a lower electrode, an organic light-emission medium, and an upper electrode on a support substrate, wherein the water content of the organic light-emission medium does not exceed 0.05 wt. %. By so controlling the water content of the organic light-emission medium, it is possible to prevent shrinkage of a light-emission area based on production of non-emission parts or non-emission spots for a long time at both high temperature and room temperature conditions. A method of making the organic electroluminescent device is disclosed also.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.