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. 29, 2025
Filed:
Nov. 30, 2021
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Hubei, CN;
Inventor:
Chaoqun Yang, Hubei, CN;
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10H 20/851 (2025.01); H10H 20/852 (2025.01); H10H 20/855 (2025.01); H10H 20/01 (2025.01);
U.S. Cl.
CPC ...
H10H 20/8512 (2025.01); H10H 20/852 (2025.01); H10H 20/855 (2025.01); H10H 20/0361 (2025.01);
Abstract
A quantum-dot thin film, a display backplate, and a manufacturing method of the display backplate are provided. The display backplate includes a light-emitting module and a quantum-dot module. The light-emitting module includes a light-emitting main body and a composite protective functional layer which are stacked. The quantum-dot module includes a quantum-dot layer disposed on the composite protective functional layer and a common protective functional layer disposed on the quantum-dot layer. A thickness of the composite protective functional layer is less than a thickness of the common protective functional layer.