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. 11, 2025
Filed:
Sep. 02, 2019
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventor:
Kenji Kimoto, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); H01L 33/38 (2010.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); H01L 33/38 (2013.01);
Abstract
In an element provided with a QD layer including QD phosphor particles, a first hole transport layer located between a first electrode and the QD layer is formed of a continuous film of a first carrier transport material. A second hole transport layer located between the first hole transport layer and the QD layer includes nanoparticles formed of a second carrier transport material.