The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 07, 2023
Filed:
Dec. 30, 2019
Wuhan Tianma Micro-electronics Co., Ltd., Wuhan, CN;
Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch, Shanghai, CN;
Lei Zhang, Shanghai, CN;
Wei Gao, Shanghai, CN;
Jinghua Niu, Shanghai, CN;
Wenpeng Dai, Shanghai, CN;
Wenjing Xiao, Shanghai, CN;
Yan Lu, Shanghai, CN;
Hongyan Zhu, Shanghai, CN;
WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., Wuhan, CN;
WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH, Shanghai, CN;
Abstract
The present disclosure provides a compound having a formula (I): wherein Crepresents substituted or unsubstituted C5-C40 aryl; X represents oxygen atom or sulfur atom; Lis selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; A includes a structure represented by formula (II): wherein each of Land Lis independently selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; each of Ar, Ar, and Aris independently selected from substituted or unsubstituted C5-C40 aryl, substituted or unsubstituted C3-C40 heteroaryl, or substituted or unsubstituted arylamine containing one or two nitrogen atoms; each of m, q, and r is independently selected from 0 or 1; and * indicates a connection position.