公开(公告)号：US12023698B2

公开(公告)日：2024-07-02

申请号：US17388037

申请日：2021-07-29

Applicant: PROTEC CO., LTD.

Inventor： Seung Min Hong ,  Dae Yong Lee

IPC: B05B15/55 ,  B05C11/10 ,  B05D1/18 ,  B08B3/04 ,  B08B13/00

CPC classification number: B05B15/55 ,  B05C11/1007 ,  B05C11/1039 ,  B05D1/18 ,  B08B3/04 ,  B08B13/00

Abstract: Provided is a dispensing apparatus capable of cleaning a nozzle, and more particularly, to a dispensing apparatus capable of cleaning a nozzle having the function of cleaning a nozzle of an apparatus for dispensing a viscous solution with a cleaning solution. The dispensing apparatus capable of cleaning a nozzle can effectively supply and manage a cleaning solution while effectively cleaning the viscous solution that are likely to be attached to the nozzle.

公开(公告)号：US11476632B2

公开(公告)日：2022-10-18

申请号：US16649425

申请日：2018-09-21

Applicant: PROTEC CO., LTD.

Inventor： Eui Keun Choi ,  Dae Yong Lee ,  Da Hai Zhang ,  Seung Hwan Choi ,  Seung Min Hong

IPC: H01S3/00 ,  B41J2/44 ,  H01S3/13 ,  B22F7/06

Abstract: There is provided a laser apparatus for a printed electronic system according to an exemplary embodiment of the present invention including: a laser generating unit which oscillates a laser beam; a laser changing unit which changes an intensity or a wavelength of the laser beam oscillated from the laser generating unit; a laser control unit which controls the intensity or a magnitude of the wavelength of the laser beam which is changed by the laser changing unit; and a laser steering unit which changes a traveling direction of the laser beam output from the laser changing unit to be directed to a target, and the laser control unit controls the intensity or the magnitude of the wavelength of the laser beam in accordance with a state of a printing pattern formed on the target.

公开(公告)号：US11420219B2

公开(公告)日：2022-08-23

申请号：US16473536

申请日：2018-01-12

Applicant: PROTEC CO., LTD.

Inventor： Eui Keun Choi ,  Dae Yong Lee ,  Da Hai Zhang ,  Seung Hwan Choi ,  Seung Min Hong

IPC: B05B5/03 ,  B05B12/00 ,  H05K3/12 ,  B41J2/045

Abstract: A printing apparatus for printed electronics according to the present invention may include: ejection head units which each have at least one nozzle for ejecting ink droplets to perform drop-on-demand or continuous printing; a jetting observation unit which is provided at one side of the nozzle and configured to observe the ink droplet ejected from the nozzle; a lighting unit which is provided at the other side of the nozzle and configured to provide light to the jetting observation unit; an alignment observation unit which is configured to observe an aligned state between the nozzle and a substrate; and a fluid supply unit which is configured to supply the ink to the nozzle, in which the ejection head units include a single-nozzle head unit, and a multi-nozzle head unit provided separately from the single-nozzle head unit.