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:
Oct. 28, 2025
Filed:
Nov. 25, 2020
Sharp Kabushiki Kaisha, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A method of manufacturing a display device includes: a) a step of preparing a substrate including an electrode and another electrode; b) a step of forming a photosensitive resin material layer on the substrate; c) a step of forming a charge transport material layer and a light-emitting material layer on the substrate; and d) a step of patterning the photosensitive resin material layer, the charge transport material layer, and the light-emitting material layer into a photosensitive resin layer, a charge transport layer, and a light-emitting layer respectively by retaining, without lifting off, non-lift-off portions of the photosensitive resin material layer, the charge transport material layer, and the light-emitting material layer, the non-lift-off portions being provided at least on a part of the electrode, and lifting off lift-off portions of the photosensitive resin material layer, the charge transport material layer, and the light-emitting material layer.