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. 09, 2024
Filed:
Jun. 15, 2020
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing BOE Display Technology Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
This disclosure discloses a mass transfer method and mass transfer device thereof for micro-LED devices, wherein the mass transfer method includes: coating a surface, provided with micro-LED devices, of an epitaxial substrate with a flexible covering solution; curing the flexible covering solution to form a flexible covering layer wrapping the micro-LED devices; turning over the epitaxial substrate with the flexible covering layer wrapping the micro-LED devices, for locating the epitaxial substrate on an upper side of the flexible covering layer; separating the epitaxial substrate from the micro-LED devices; butting a surface, provided with the micro-LED devices, of the flexible covering layer against a receiving substrate; turning over the receiving substrate in butt joint with the micro-LED devices, for locating the flexible covering layer on an upper side of the receiving substrate; and separating the flexible covering layer from the micro-LED devices.