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:
Sep. 01, 2026
Filed:
Jun. 24, 2021
Applicant:
Sharp Display Technology Corporation, Kameyama City, JP;
Inventor:
Makoto Kitagawa, Kameyama City, JP;
Assignee:
Sharp Display Technology Corporation, Kameyama City, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/17 (2023.01); H10K 50/13 (2023.01); H10K 50/81 (2023.01); H10K 85/10 (2023.01);
U.S. Cl.
CPC ...
H10K 50/17 (2023.02); H10K 50/13 (2023.02); H10K 50/81 (2023.02); H10K 85/1135 (2023.02);
Abstract
A hole injection layer included in a display device according to the disclosure contains a mixture (PEDOT/PSS) obtained by mixing polystyrene sulfonic acid (PSS) with polyethylenedioxythiophene (PEDOT), and a polymer adjacent to the PEDOT/PSS.
Quick Actions:
Kitagawa, Makoto. (2026). Display device, method for producing display device, and aqueous solution (U.S. Patent No. 12727320). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12727320
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