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:
Oct. 10, 2023
Filed:
Apr. 02, 2020
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Wuhan, CN;
Inventor:
Jiajia Luo, Wuhan, CN;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/26 (2006.01); C07D 251/24 (2006.01); C07D 401/14 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07D 239/26 (2013.01); C07D 251/24 (2013.01); C07D 401/14 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02);
Abstract
An N heterocyclic planar photocoupler output material is provided, and includes a structural formula as follows:R—R—R.The N heterocyclic planar photocoupler output material is selected from any one of following formula structures: The photocoupler output material has a very high 'n' value, so that the top-emitting electroluminescent devices using it have achieved very high luminous efficiency. Therefore, it saves time and costs. Also, a method of preparing an N heterocyclic planar photocoupler output material is provided.