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:
Jun. 24, 2025
Filed:
Jul. 29, 2020
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventors:
Hirohisa Yamada, Sakai, JP;
Yoshihiro Ueta, Sakai, JP;
Masumi Kubo, Sakai, JP;
Masaki Yamamoto, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/26 (2006.01); H05B 33/14 (2006.01); H10K 50/16 (2023.01); H10K 50/19 (2023.01); H10K 50/805 (2023.01); H10K 50/824 (2023.01);
U.S. Cl.
CPC ...
H05B 33/26 (2013.01); H05B 33/145 (2013.01); H10K 50/16 (2023.02); H10K 50/19 (2023.02); H10K 50/805 (2023.02); H10K 50/824 (2023.02);
Abstract
In a light-emitting device, a first electrode, a light-emitting layer, and a second electrode are disposed in the order recited. Moreover, a charge transport layer is disposed between the first electrode and the light-emitting layer and/or between the second electrode and the light-emitting layer. A third electrode at least partly overlaps the light-emitting layer. Moreover, the third electrode is disposed between the charge transport layer and the light-emitting layer.