Organic light-emitting device, and delayed fluorescent material and compound used therefor
US9153788B2 · kind B2 · utility
15Cited by
0References
6Claims
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Key dates
| Filing date | Nov 30, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Nov 30, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/11
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic light-emitting device containing a compound represented by the following general formula in a light light-emitting layer has a high light-emission efficiency. The ring containing Y1, Y2 and Y3 represent a triazine ring or a pyrimidine ring; Z1, Z2 and R1 to R8 represent a hydrogen atom or a substituent; and at least one of R1 to R8 represents a diarylamino group or a carbazolyl group. The compound represented by the general formula (1) contains at least two carbazole structures in the molecule thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.