Organic light emitting display device
US10177317B2 · kind B2 · utility
0Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2016 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Jan 17, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/131
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts each having a light emitting layer and an electron transport layer; and a charge generation layer between the at least two or more light emitting parts. The charge generation layer comprises a compound that includes a core with two nitrogen atoms and a functional group having crystallinity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.