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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.
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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
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.
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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.
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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
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.
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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
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.
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