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:
Jan. 27, 2026
Filed:
Sep. 16, 2020
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventor:
Hiroki Imabayashi, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 50/17 (2023.01); H10K 50/115 (2023.01); H10K 59/00 (2023.01); H10K 59/12 (2023.01); H10K 71/30 (2023.01); H10K 71/60 (2023.01);
U.S. Cl.
CPC ...
H10K 50/17 (2023.02); H10K 59/1201 (2023.02); H10K 59/771 (2023.02); H10K 71/30 (2023.02); H10K 71/60 (2023.02); H10K 50/115 (2023.02);
Abstract
A display device manufacturing method of manufacturing a display device including a plurality of light-emitting elements in each of which an anode, a hole injection layer, a light-emitting layer, and a cathode are layered in this order, the hole injection layer being provided in common in the plurality of light-emitting elements, and the method including treating the hole injection layer with a treatment liquid to change conductivity of at least a portion of the hole injection layer.
Imabayashi, Hiroki. (2026). Display device manufacturing method and display device (U.S. Patent No. 12538641). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12538641
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