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:
Nov. 25, 2025
Filed:
Dec. 15, 2021
Beijing Boe Technology Development Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Tieshi Wang, Beijing, CN;
Zhuo Chen, Beijing, CN;
Zhuo Li, Beijing, CN;
Xu Yuan, Beijing, CN;
Di Zhang, Beijing, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Abstract
A light emitting device and a fabricating method thereof, and a light emitting apparatus. The light emitting device includes: a substrate, and an assisting layer and a quantum-dot layer that are provided in stack on one side of the substrate, and the assisting layer is close to the substrate; a material of the assisting layer includes a non-polar polymer; and the quantum-dot layer includes quantum dots and a first ligand material coordinated to the quantum dots, and a property of the first ligand material changes by an effect of illumination, so that a solubility of the quantum-dot layer in an organic solvent changes.