Illumination device
US10707436B2 · kind B2 · utility
2Cited by
0References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2018 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Dec 4, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/19
Abstract
The present disclosure relates to an illumination device which is realized by an organic light emitting element having a plurality of stacks and which achieves an improvement in relation to the efficiency difference among wavelengths by changing a light emitting layer structure of a predetermined stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.