Organic light-emitting device
US11271167B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2015 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Sep 30, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an organic light emitting diode including a cathode, an anode, a light emitting layer provided between the cathode and the anode, a first electron transporting layer including a heterocyclic compound represented by Formula 1 and provided between the cathode and the light emitting layer, and a second electron transporting layer including a host material including one or two or more of compounds represented by Formulae 3 to 5 and one or two or more n-type dopants selected from alkali metals and alkaline earth metals and provided between the cathode and the first electron transporting layer:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.