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:
Dec. 10, 2024
Filed:
May. 28, 2019
Lg Electronics Inc., Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
Discussed is a self-assembly apparatus for a plurality of semiconductor light-emitting devices, and a method for self-assembly of the plurality of semiconductor light-emitting devices, whereby the apparatus includes a chamber accommodating the plurality of semiconductor light-emitting devices and a fluid; a transferor to transfer a substrate to an assembly position; a magnet to apply a magnetic force to the plurality of semiconductor light-emitting devices; a position controller to control a position of the magnet; and a vibration generator in contact with the fluid to generate a vibration in the fluid to separate the plurality of semiconductor light-emitting devices from each other while in the fluid, wherein an electric field is produced in the substrate while the plurality of semiconductor light-emitting devices are moved according to a change of the position of the magnet.