公开(公告)号：US20250058565A1

公开(公告)日：2025-02-20

申请号：US18630473

申请日：2024-04-09

Applicant: Samsung Display Co., LTD.

Inventor： Lae Ho KIM ,  Yu KONTA ,  Cheong Wan MIN ,  Jae Bum PAHK ,  Min Woo LEE ,  Tae Ho LEE ,  Jai Hyuk CHOI ,  Myung Soo HUH

IPC: B41J2/175 ,  B41J2/18

Abstract: An inkjet printing apparatus includes: a plurality of inkjet heads configured to discharge ink, a supply storage device configured to supply the ink to the plurality of inkjet heads, a plurality of supply flow paths configured to move the ink from the supply storage device to the plurality of inkjet heads, a plurality of discharge flow paths configured to move the ink from the plurality of inkjet heads to the supply storage device, and a plurality of by-pass lines directly connecting the plurality of supply flow paths with the plurality of discharge flow paths.

公开(公告)号：US20220165928A1

公开(公告)日：2022-05-26

申请号：US17528745

申请日：2021-11-17

Applicant: Samsung Display Co., LTD.

Inventor： Jin Won BAEK ,  Lae Ho KIM ,  Sang Woong BAEK ,  Young Geun CHO ,  Chung Sic CHOI

IPC: H01L33/62 ,  H01L33/00 ,  H01L25/16

Abstract: An apparatus for manufacturing a display device includes a stage, a first electric field applying module including first probe pins and disposed on a first side of the stage, a light irradiation module including light-emitting elements and disposed on the stage, and a first voltage output module that outputs an emission driving signal that drives the light-emitting elements, outputs a first alignment signal to one of the first probe pins, and outputs a second alignment signal to another one of the first probe pins.