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. 25, 2025
Filed:
Aug. 04, 2020
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventors:
Masataka Iwasaki, Sakai, JP;
Yoshihiro Ueta, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/166 (2023.02); H10K 50/156 (2023.02); H10K 50/157 (2023.02); H10K 50/171 (2023.02); H10K 2102/331 (2023.02);
Abstract
A light-emitting element includes the following: a cathode; an anode; a light-emitting layer provided between the cathode and the anode; an electron transport layer provided between the cathode and the light-emitting layer; and a potential well provided between the cathode and the light-emitting layer, and being a region having a larger electron affinity than a surrounding region.
Iwasaki, Masataka. (2025). Light-emitting element and light-emitting device (U.S. Patent No. 12484374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12484374
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile