Compound, display panel and display apparatus

US11884679B2 · kind B2 · utility

Assignees

• WUHAN TIANMA MICROELECTRONICS CO., LTD. · CN
• WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH · CN

Inventors

• Wenpeng Dai · Shanghai, CN
• Wei Gao · Shanghai, CN
• Lei Zhang · Shanghai, CN
• Quan Ran · Shanghai, CN

Key dates

• Filing date: Dec 21, 2020
• Grant date: Jan 30, 2024
• Expiry date: Jul 30, 2042

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Provided is a compound including a moiety A and one or two moieties B fused with the moiety A at fusing sites, in which X is N, O, S or C; and when X is O or S, Ar2-L1- is absent; Y1-Y4 are each independently C or N; L1 and L2 are each independently a single bond, a substituted or unsubstituted C6-C30 arylene, a substituted or unsubstituted C10-C40 fused arylene, or a substituted or unsubstituted C4-C30 heteroarylene; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-C30 aryl, a substituted or unsubstituted C10-C40 fused aryl, a substituted or unsubstituted C4-C30 heteroaryl, or a substituted or unsubstituted C6-C40 fused heteroaryl, and * represents one of the fusing sites, N or CRa, where Ra is a substituted or unsubstituted C1-C20 alkyl, a substituted or unsubstituted C6-C30 aryl, or a substituted or unsubstituted C3-C30 heteroaryl.