US 12,134,615 B2
Compound, electron transport material, display panel and display apparatus
Wei Gao, Shanghai (CN); Lu Zhai, Shanghai (CN); Lei Zhang, Shanghai (CN); Quan Ran, Shanghai (CN); Wenpeng Dai, Shanghai (CN); Yuyang Guo, Shanghai (CN); and Xia Li, Shanghai (CN)
Assigned to WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan (CN)
Filed by WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan (CN); and WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH, Shanghai (CN)
Filed on Jan. 12, 2021, as Appl. No. 17/147,085.
Claims priority of application No. 202011193784.6 (CN), filed on Oct. 30, 2020.
Prior Publication US 2021/0130355 A1, May 6, 2021
Int. Cl. C07D 471/14 (2006.01); C07D 519/00 (2006.01); H10K 50/125 (2023.01); H10K 50/13 (2023.01); H10K 50/165 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01); H10K 50/19 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01)
CPC C07D 471/14 (2013.01) [C07D 519/00 (2013.01); H10K 50/125 (2023.02); H10K 50/131 (2023.02); H10K 85/40 (2023.02); H10K 85/615 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/165 (2023.02); H10K 50/171 (2023.02); H10K 50/18 (2023.02); H10K 50/19 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A compound having a structure according to general formula 1:

OG Complex Work Unit Chemistry
wherein X1-X4 are each independently selected from the group consisting of a carbon atom and a nitrogen atom, and at least two of X1-X4 are each a nitrogen atom;
R1-R4 are each independently absent or selected from the group consisting of a hydrogen atom, a C1-C20 alkyl group, a C1-C20 alkoxy group, a C1-C20 alkylthio group, a C1-C20 alkylamino group, a C6-C30 aryl group, and a C2-C30 heteroaryl group;
Ar is selected from the following group:

OG Complex Work Unit Chemistry
wherein R5 and R6 are each independently absent or selected from the group consisting of a hydrogen atom, a C1-C20 alkyl group, a C1-C20 alkoxy group, a C1-C20 alkylthio group, a C1-C20 alkylamino group, a C6-C30 aryl group, and a C2-C30 heteroaryl group;
R5 and R6 are capable of forming a ring;
Y is selected from the group consisting of a phosphorus atom, a P—O group, a silicon atom, and a germanium atom; and
* indicates a possible bonding position;
m is an integer selected from 1 or 2; and
n and q are each integers independently selected from 0, 1 or 2, n+q≥1, and m+n+q=3.