Patent ID: 11866628
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 4:
5. A method for patterning a quantum dot film, comprising:
making a quantum dot solution with the quantum dot material according to claim 1 and a solvent;
forming a quantum dot film by spin-coating the quantum dot solution on a base substrate;
shielding a first region of the quantum dot film with a mask template;
generating a polarity change group by irradiating a second region of the quantum dot film with ultraviolet light to cause that photolysis groups of ligands in a quantum dot material in the second region is photolyzed; wherein the second region is an region of the quantum dot film not shielded by the mask template; and
forming a pattern of the quantum dot film by cleaning the quantum dot film with a solvent with a same polarity as the quantum dot solution.