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. 04, 2025
Filed:
Feb. 08, 2022
Wuhan Tianma Micro-electronics Co., Ltd., Wuhan, CN;
Wei Gao, Shanghai, CN;
Wenpeng Dai, Shanghai, CN;
Lei Zhang, Shanghai, CN;
You Gao, Shanghai, CN;
Lu Zhai, Shanghai, CN;
Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan, CN;
Abstract
A heterocyclic compound containing heteroatom substituted fluorene and an optoelectronic device are provided. The heterocyclic compound includes a structure in Formula I: where Y is selected from O or S; at least one of X, X, X, X, X, X, Xand Xis a N atom, and rest are CR; L, L, and Lare independently selected from single bond, substituted or unsubstituted aromatic groups; Arand Arare independently selected from substituted or unsubstituted aromatic groups or heteroaryl groups; Ris selected from a hydrogen atom, a deuterium atom, or an aromatic group or a heteroaryl group condensed with adjacent groups; and Ris selected from a hydrogen atom, a deuterium atom, a substituted or unsubstituted C1-C5 alkyl group, a halogen, a cyano group, or an amino group.