Organic light-emitting device
US11264583B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2020 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Aug 19, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/00
Abstract
An organic light-emitting device comprising: a first electrode; a second electrode facing the first electrode; a first emission unit, a second emission unit and a third emission unit between the first electrode and the second electrode; a first charge generation layer between the first emission unit and the second emission unit; and a second charge generation layer between the second emission unit and the third emission unit, wherein the first emission unit comprises a first emission layer, the second emission unit comprises a second emission layer, the third emission unit comprises a third emission layer, and at least one of the first emission unit, the second emission unit and the third emission unit comprises an inorganic buffer layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.