Organic electroluminescent device
US10533129B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 1, 2015 |
| Grant date | Jan 14, 2020 |
| Priority date | — |
| Expiry date | Feb 17, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/626
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to an OLED, comprising an anode, a cathode, and an organic layer, the organic layer at least contains one or more layers containing light emitting layer from the hole injection layer, hole transport layer, electron injection layer, electron transport layer, light emitting layer; the light emitting layer is composed of a single compound with the structure of formula (I). The OLED can emit blue light and has the advantages of high light emitting efficiency, excellent color purity and long lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.