Compound used for organic light emitting device (OLED), consumer product and formulation
US11512093B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2020 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | Mar 6, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of Formula I: wherein Y is O, S, or Se; wherein each X1-X14 is independently C or N; wherein two consecutive X1-X14 in the same ring are not N; wherein any of X1-X14 is C when it forms a direct bond to RA, RB, RC, or RD; wherein RA, RB, RC, and RD each independently represent mono to the maximum allowable substitution, or no substitution; wherein each RA, RB, RC, and RD is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; wherein RD represents mono to the maximum allowable substitution at least one RD is not hydrogen; and wherein any two substituents are optionally joined or fused together to form a ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.