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. 03, 2020
Filed:
Jun. 22, 2017
Applicant:
Wuhan China Star Optoelectronics Technology Co., Ltd., Hubei, CN;
Inventor:
Biao Pan, Wuhan, CN;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07D 403/10 (2006.01); H01L 51/56 (2006.01); C07D 235/18 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 235/18 (2013.01); C07D 403/10 (2013.01); C09K 11/06 (2013.01); H01L 51/56 (2013.01); C09K 2211/1018 (2013.01); H01L 51/001 (2013.01); H01L 51/5004 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5096 (2013.01); H01L 51/5221 (2013.01); H01L 2251/301 (2013.01); H01L 2251/552 (2013.01);
Abstract
The present invention relates to a display technical field, especially to an organic light emitting device which includes from the bottom to the top: a substrate, an anode layer, a hole injection layer, a hole transport layer, an exciton blocking layer, an organic light emitting layer, an electron transport layer, an electron injection layer and a cathode layer; the material of the organic light emitting layer includes benzimidazole derivative as illustrated in Formula 1,
Pan, Biao. (2020). Organic light emitting device and preparation method thereof (U.S. Patent No. 10825994). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10825994
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile