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:
Jul. 28, 2021
Applicant:
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Inventors:
Chugen Hamachi, Tokyo, JP;
Yosuke Motoyama, Kanagawa, JP;
Assignee:
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/80 (2023.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
H10K 59/879 (2023.02); H10K 59/1201 (2023.02); H10K 59/8792 (2023.02);
Abstract
Light emitting elements and display devices with increased light extraction efficiency and front luminance are disclosed. In one example, a light emitting element includes a light emitting unit, an intermediate layer covering the light emitting unit, an optical path control unit disposed on a part of the intermediate layer and having positive optical power, and a covering layer covering an outer region of the intermediate layer surrounding a part of the intermediate layer on which the optical path control unit is formed.