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.

Date of Patent:
Oct. 20, 2026

Filed:

Jun. 02, 2021
Applicant:

Sharp Display Technology Corporation, Kameyama City, JP;

Inventor:

Yang Qu, Kameyama City, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10K 50/17 (2023.01); H05B 33/10 (2006.01); H10K 59/12 (2023.01);
U.S. Cl.
CPC ...
H10K 50/17 (2023.02); H05B 33/10 (2013.01); H10K 59/1201 (2023.02);
Abstract

A light-emitting element includes an anode, a cathode, a light-emitting layer provided between the anode and the cathode, and a hole injection layer made of nickel hydroxide, the hole injection layer being provided between the anode and the light-emitting layer.


Find Patent Forward Citations

Qu, Yang. (2026). Light-emitting element, display device, and method of manufacturing display device (U.S. Patent No. 12772657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12772657

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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