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:
Jul. 15, 2025
Filed:
Sep. 17, 2021
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Aidi Zhang, Beijing, CN;
Yichi Zhang, Beijing, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Disclosed are a quantum dot light emitting device and a manufacturing method thereof as well as a display apparatus. The quantum dot light emitting device includes: a substrate; a pixel definition layer, wherein the pixel definition layer includes a plurality of pixel openings and pixel partition bodies, and a surface of each pixel partition body has a hydroxide radical; a quantum dot layer, located in the pixel openings; and a polymer structure sealing the quantum dot layer in the pixel openings, wherein the polymer structure is a of fully enclosed structure at least formed by polymerization of siloxane, thiol siloxane and the hydroxide radical, the siloxane, the hydroxide radical and the thiol siloxane are all polymerized, and a sulfur atom of a thiol in the thiol siloxane is combined with a coordinating atom of the quantum dot layer.