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:
Feb. 14, 2023
Filed:
Aug. 20, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Hirokazu Kuwabara, Yokohama, JP;
Ryuhei Furue, Yokohama, JP;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07F 5/02 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/5012 (2013.01);
Abstract
An organic electroluminescence device (OLED) of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode The emission layer may include a condensed polycyclic compound represented by Formula 1, which is connected to two or three substituents represented by Formula 2, and the OLED may exhibit excellent luminous efficiency:
Quick Actions:
Kuwabara, Hirokazu. (2023). Organic electroluminescence device and condensed polycyclic compound for organic electroluminescence device (U.S. Patent No. 11581493). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11581493
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile