公开(公告)号：US20240178017A1

公开(公告)日：2024-05-30

申请号：US18552143

申请日：2022-03-11

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Ik Kyu YOU ,  Jin Seok YANG

IPC: H01L21/67 ,  H01L21/66 ,  H01L25/075 ,  H01L25/13

CPC classification number: H01L21/67144 ,  H01L21/67132 ,  H01L22/20 ,  H01L25/0753 ,  H01L25/13 ,  H01L25/0756

Abstract: A transfer method of a light-emitting element for a display, according to one or more embodiments of the present disclosure, comprises: producing a wafer having unit pixels; cutting the wafer on a temporary substrate to unify the unit pixels; measuring electrical or optical characteristics of the unified unit pixels; and transferring, to a carrier substrate, the unit pixels selected according to the electrical or optical characteristics, wherein the selected unit pixels are transferred to the carrier substrate in predetermined area-units encompassing a plurality of unit pixels.