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:
Jan. 30, 2024
Filed:
Sep. 17, 2019
Tcl Technology Group Corporation, Huizhou, CN;
Jie Zhang, Huizhou, CN;
Chaoyu Xiang, Huizhou, CN;
TCL Technology Group Corporation, Huizhou, CN;
Abstract
The present application discloses a QLED manufacturing method including: providing a substrate provided with an electron transport layer; depositing a solution on a surface of the electron transport layer, standing until the electron transport layer is infiltrated, and then performing a drying operation, wherein the solution includes a main solvent and a solute dissolved in the main solvent, a polarity of the solute is greater than a polarity of the main solvent, and the solution is not able to dissolve the electron transport material in the electron transport layer; preparing other film layers on the electron transport layer processed by the mixed solvent to prepare the QLED, such that the QLED at least includes: an anode and a cathode arranged oppositely, a quantum dot light emitting layer arranged between the anode and the cathode, and the electron transport layer between the quantum dot light emitting layer and the cathode.