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:
Apr. 21, 2025
Filed:
Sep. 18, 2019
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventor:
Shinichi Handa, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2005.12); H10K 50/15 (2022.12); H10K 102/00 (2022.12);
U.S. Cl.
CPC ...
H10K 50/156 (2023.01); H10K 2102/00 (2023.01); H10K 2102/331 (2023.01);
Abstract
A light-emitting element includes: an anode; a cathode; a light-emitting layer between the anode and the cathode; and a hole transport layer between the anode and the light-emitting layer, the hole transport layer including: a p-type semiconductor layer of a p-type semiconductor material provided in a form of a layer; and a n-type semiconductor material dispersed in the p-type semiconductor layer.