公开(公告)号：US12194746B2

公开(公告)日：2025-01-14

申请号：US17974633

申请日：2022-10-27

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Won Han ,  Jongho Park ,  Taeho Yang ,  Myung Soo Huh

IPC: B41J2/14 ,  B41J2/055 ,  B41J2/145 ,  B41J2/175

Abstract: An inkjet printing apparatus according to an embodiment includes a stage where a target substrate is disposed, and an inkjet head that discharges ink on the target substrate. The inkjet head includes a tank that stores the ink, nozzles that are provided on the tank and discharge the ink, and a damper that is disposed in the tank, and the damper comprises a protruding portion that protrudes toward the nozzles from the damper.

公开(公告)号：US20230219343A1

公开(公告)日：2023-07-13

申请号：US17963810

申请日：2022-10-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongwon Han ,  Jongho Park ,  Taeho Yang ,  Myungsoo Huh

IPC: B41J2/145 ,  B41M3/00 ,  B41J2/165

CPC classification number: B41J2/145 ,  B41M3/003 ,  B41J2/16505

Abstract: An inkjet printing device includes a chamber having an imaginary centerline that divides a length of the chamber in the first direction into two halves, and a plurality of inkjet nozzles coupled to the chamber and receiving ink from the chamber, the inkjet nozzles being arranged in a plurality of columns along a first direction. The inkjet nozzles include a center column nozzle disposed adjacent to the centerline of the chamber and an outer column nozzle disposed farther from the centerline than the center column nozzle. The chamber includes a bump portion disposed farther from the centerline than the outer column nozzle, the bump portion including a bump on an inner surface of the chamber.