公开(公告)号：US12134268B2

公开(公告)日：2024-11-05

申请号：US17868080

申请日：2022-07-19

Applicant: SEMES CO., LTD.

Inventor： Dong Hyun Jun ,  Woon Sang Baek ,  Sang Hyuk Yun ,  Keun Hwa Yang ,  Hyung Suk Lee ,  Cheol Hyung Cho

IPC: B41J2/045

Abstract: The inventive concept provides an inkjet printing method. The inkjet printing method for discharging an ink on a substrate using a head having a plurality of nozzles formed thereon includes determining a grade of nozzles by measuring a discharge performance of the nozzles, which is a grading step; selecting a use nozzle that can participate in printing the substrate among the nozzles based on the grade determined at the grading step, which is a nozzle selecting step; and discharging the ink on the substrate using at least one nozzle among use nozzles, which is a printing step.