Organic EL element, and display apparatus, illumination apparatus, and moving object including the same
US11917844B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2020 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Oct 15, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An organic EL element characterized by including a first electrode, a second electrode, and a first light-emitting layer, a second light-emitting layer, and a third light-emitting layer that are disposed between the first electrode and the second electrode, the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer each containing a host material and a light-emitting material, in which the first light-emitting layer is a light-emitting layer that emits red light and green light, the second light-emitting layer is a light-emitting layer that emits blue light, and the third light-emitting layer is a light-emitting layer that emits green light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.