公开(公告)号：US20230115826A1

公开(公告)日：2023-04-13

申请号：US17961460

申请日：2022-10-06

Applicant: SEMES CO., LTD.

Inventor： Jang Mi WOO ,  Ki Hoon CHOI ,  Young Hoon JEONG ,  Myung Jin KIM

IPC: B41J2/14

Abstract: A printing apparatus and a method of providing printing apparatus are provided. A printing apparatus according to at least one embodiment of the present disclosure includes a base panel or head base, at least one or more head packs installed on the head base, a head pack holder installed on each of the head packs and configured to handle and fix the head pack, and a fastening structure configured to mount the head pack holder to the head packs.

公开(公告)号：US20240075740A1

公开(公告)日：2024-03-07

申请号：US18225668

申请日：2023-07-24

Applicant: SEMES CO., LTD.

Inventor： Jang Mi WOO ,  Jin Hyuck Yang ,  Yong Kyu Cho ,  Cheon Su Cho ,  Ki Hoon Choi

IPC: B41J2/14 ,  B41J2/045

CPC classification number: B41J2/1433 ,  B41J2/04563 ,  B41J2/04581 ,  B41J2/16579

Abstract: An inkjet head unit capable of performing high-resolution pixel printing on a large-size substrate and a substrate treatment apparatus including the inkjet head unit are provided. The substrate treatment apparatus includes: a processing unit supporting and moving a substrate; an inkjet head unit performing pixel printing on the substrate; and a gantry unit moving the inkjet head unit over the substrate, wherein the inkjet head unit includes head packs, which include a plurality of nozzles ejecting a substrate treatment liquid onto the substrate, and a head base, in which the head packs are installed and the head packs are disposed in a single row in the head base.

公开(公告)号：US20230211618A1

公开(公告)日：2023-07-06

申请号：US17947084

申请日：2022-09-17

Applicant: SEMES CO., LTD.

Inventor： Jang Mi WOO ,  Ki Hoon CHOI ,  Young Hoon JEONG ,  Myung Jin KIM

IPC: B41J25/34

CPC classification number: B41J25/34

Abstract: The present disclosure provides a droplet discharging device capable of minimizing misalignment of a plurality of heads. The droplet discharging device comprises a base including a head fixing region to which a plurality of heads are fixed; a pack holder disposed on the base and including an opening penetrated by the plurality of heads installed on the base; a guide pin installed on the pack holder and protruding towards the base; a guide holder installed on the base and fastened to the guide pin; a first fastening part installed on the pack holder and protruding towards the base; and a second fastening part installed on the base and fastened to the first fastening part, wherein a lock air is supplied to one of the first fastening part and the second fastening part, thus fastening the first fastening part and the second fastening part.

公开(公告)号：US20240316944A1

公开(公告)日：2024-09-26

申请号：US18418676

申请日：2024-01-22

Applicant: SEMES CO., LTD.

Inventor： Ho Sang LEE ,  Jang Mi WOO ,  Suk Won JANG

IPC: B41J2/175 ,  B41J2/18

CPC classification number: B41J2/17596 ,  B41J2/17563 ,  B41J2/18

Abstract: Provided is a chemical liquid dispensing apparatus including: a head assembly including a channel unit through which a chemical liquid flows, and multiple nozzles through which the chemical liquid flows from the channel unit and dispensing the chemical liquid onto a substrate; and a pipe connected to the head assembly and through which the chemical liquid passes, wherein the channel unit includes a first flow path having a branched structure, and a second flow path connected to the first flow path and supplying the chemical liquid to the multiple nozzles.

公开(公告)号：US20240066887A1

公开(公告)日：2024-02-29

申请号：US18220766

申请日：2023-07-11

Applicant: SEMES CO., LTD.

Inventor： Jang Mi WOO ,  Jin Hyuck YANG ,  Ki Hoon CHOI ,  Young Hoon JEONG

IPC: B41J2/21 ,  B41J2/045 ,  B41J2/14

CPC classification number: B41J2/21 ,  B41J2/04505 ,  B41J2/14 ,  B41J2002/14362

Abstract: Proposed are an inkjet head unit capable of forming high-resolution pixels on a substrate and inkjet printing equipment including the same. An inkjet head unit of inkjet printing equipment according to one embodiment includes a head pack including a plurality of ejection heads configured to eject ink of the same color to a substrate; and a head base on which a plurality of head packs are installed to be repeatedly coaxially arranged in color order.