Compound, display panel and display apparatus

US11780831B2 · kind B2 · utility

Assignees

• Shanghai Tianma AM-OLED Co., Ltd. · CN
• WUHAN TIANMA MICROELECTRONICS CO., LTD. · CN

Inventors

• Wei Gao · Shanghai, CN
• Lei Zhang · Shanghai, CN
• Wenpeng Dai · Shanghai, CN
• Quan Ran · Shanghai, CN
• Lu ZHAI · Shanghai, CN
• Wenjing Xiao · Murrysville, US
• Jinghua Niu · Shanghai, CN

Key dates

• Filing date: Sep 29, 2020
• Grant date: Oct 10, 2023
• Expiry date: Jun 6, 2042

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/549
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Provided is a compound represented by formula 1, and a display panel and a display apparatus including the compound. In formula 1, L1 and L2 are each independently selected from the group consisting of a single bond, C6-C30 aryl, and C4-C30 heteroaryl; a and b are each independently selected from 0, 1, 2, 3, or 4; D1 and D2 are each independently a nitrogen-containing electron donor unit selected from the group consisting of carbazolyl and derivative groups thereof, acridinyl and derivative groups thereof, diarylamino and derivative groups thereof, and triarylamino and derivative groups thereof; and c and d are each independently selected from 0, 1, 2, 3, or 4, and c+d≥1.