公开(公告)号：US20240332449A1

公开(公告)日：2024-10-03

申请号：US18697303

申请日：2021-10-01

Applicant: LG ELECTRONICS INC.

Inventor： ILHWAN KIM ,  KISU KIM

IPC: H01L33/00 ,  B03C1/30 ,  H01L27/15

CPC classification number: H01L33/005 ,  B03C1/30 ,  H01L27/156 ,  B03C2201/18 ,  B03C2201/20

Abstract: A display manufacturing apparatus includes a foreign substance removal device and an assembly device. The foreign substance removal device removes foreign substances from a plurality of semiconductor light emitting devices. The assembly device assembles the plurality of removed semiconductor light emitting devices on a display substrate. The foreign substance includes magnetic foreign substance and non-magnetic foreign substance. The foreign substance removal device includes a first module for filtering non-magnetic foreign substance among the foreign substance of the plurality of semiconductor light emitting devices, and a second module for filtering magnetic foreign substance among the foreign substances of the plurality of semiconductor light emitting devices.