Compound and display panel containing the same

US11345663B2 · kind B2 · utility

Assignee

• WUHAN TIANMA MICROELECTRONICS CO., LTD. · CN

Inventors

• Lei Zhang · Shanghai, CN
• Wei Gao · Shanghai, CN
• Qing-Man Zhu · Kunshan, CN
• Jinghua Niu · Shanghai, CN
• Ping An · Shanghai, CN
• Yan Lu · Shanghai, CN
• Hongyan Zhu · Shanghai, CN
• Gaojun Huang · 红钢城街道, CN

Key dates

• Filing date: Apr 2, 2019
• Grant date: May 31, 2022
• Expiry date: May 5, 2040

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/40
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present disclosure provides a compound used as the CPL material. The compound has a structure as shown in chemical formula I,in which L1 is selected from the group consisting of a substituted or unsubstituted C6-C30 arylene, C3-C30 heteroarylene, a substituted or unsubstituted C10-C60 fused arylene, and a substituted or unsubstituted C10-C60 fused heteroarylene; Ar1 is selected from the group consisting of a substituted or unsubstituted C6-C30 arylene, C3-C30 heteroarylene, a substituted or unsubstituted C10-C60 fused arylene, and a substituted or unsubstituted C10-C60 fused heteroarylene; n is 1 or 2, and when n is 2, the two Ar1 are identical or different; R1, R2, R3 and R4 are each independently selected from the group consisting of hydrogen, and a substituted or unsubstituted aryl or fused aryl, R1 and R2 are optionally bonded to form a ring, and R3 and R4 are optionally bonded to form a ring.