Compound, organic electroluminescent device, and display device
US11807615B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 30, 2019 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Apr 5, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides a compound having a formula (I): wherein Cy represents substituted or unsubstituted C5-C40 aryl; X represents oxygen atom or sulfur atom; L1 is selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; A includes a structure represented by formula (II): wherein each of L2 and L3 is independently selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; each of Ar1, Ar2, and Ar3 is independently selected from substituted or unsubstituted C5-C40 aryl, substituted or unsubstituted C3-C40 heteroaryl, or substituted or unsubstituted arylamine containing one or two nitrogen atoms; each of m, q, and r is independently selected from 0 or 1; and * indicates a connection position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.