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. 08, 2026
Filed:
Dec. 31, 2021
Tcl Technology Group Corporation, Huizhou, CN;
Tianfeng Wang, Huizhou, CN;
TCL TECHNOLOGY GROUP CORPORATION, Huizhou, CN;
Abstract
Disclosed in the present application are a light-emitting device and a manufacturing method therefor, and a display panel. The manufacturing method for a light-emitting device comprises the following steps: providing a first device plate; coating the first device plate with a metal oxide mixed solution; performing first annealing treatment on the metal oxide mixed solution at a first preset temperature; performing secondary annealing treatment on the metal oxide mixed solution at a second preset temperature; and forming a second device plate on a surface of a second electron transport layer that is away from a first electron transport layer.