Organic electroluminescent device comprising delayed fluorescent materials
US10600983B2 · kind B2 · utility
5Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2014 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Apr 29, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/20
Abstract
An organic electroluminescent device containing a cathode, an anode, and one or more organic layers containing plural light emitting materials between the cathode and the anode, wherein the organic electroluminescent device is a multiple wavelength light emitting organic electroluminescent device emitting light from the plural light emitting materials, and which is designed so that light that has the shortest wavelength contains delayed fluorescent light can improve light emission efficiency of a short wavelength light and color tone and has a large degree of freedom in design and a simple structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.