Organic light-emitting device
US9893291B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2016 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Aug 4, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/623
Abstract
An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, the electron transport region including an intermediate layer, wherein the emission layer includes a first compound and a second compound, each independently selected from compounds represented by Formula 1, and the intermediate layer includes a third compound and a fourth compound, each independently selected from compounds represented by Formula 2:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.