Delayed fluorescence compound, and organic light emitting diode and display device using the same
US9711735B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2015 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Mar 2, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Discussed is a delayed fluorescence compound of Formula 1:wherein n is 1 or 0, and A is selected from Formula 2:wherein D is selected from Formula 3:and each of “L1” and “L2” is independently selected from Formula 4:wherein R1 in the Formula 2 is selected from hydrogen or phenyl, and each of X, Y, and Z is independently selected from carbon and nitrogen, and wherein at least two selected from X, Y, and Z are nitrogen, and R2 in the Formula 4 is selected from one of hydrogen and C1 alkyl through C10 alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.