Compound, display panel, and display device

US11539000B2 · kind B2 · utility

Assignees

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

Inventors

• Yang Li · Beijing, CN
• Lei Zhang · Shanghai, CN
• Jinghua Niu · Shanghai, CN
• Wei Gao · Shanghai, CN
• Wenpeng Dai · Shanghai, CN
• Ying Liu · Sanjiaodian, TW

Key dates

• Filing date: Dec 30, 2019
• Grant date: Dec 27, 2022
• Expiry date: Feb 12, 2041

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/40

Abstract

The present disclosure provides a compound having a formula (I): where A represents a nitrogen-containing heteroaromatic ring substituent; and L is one or more selected from a single bond, substituted or unsubstituted C1-C12 alkyl, substituted or unsubstituted C3-C8 cycloalkyl, substituted or unsubstituted C1-C8 alkoxy, substituted or unsubstituted C3-C8 heterocyclyl, substituted or unsubstituted C6-C40 aryl, and substituted or unsubstituted C4-C40 heteroaryl.