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    INKJET PRINTER FOR MANUFACTURING DISPLAY
    2.
    发明申请
    INKJET PRINTER FOR MANUFACTURING DISPLAY 有权

    公开(公告)号：US20220332133A1

    公开(公告)日：2022-10-20

    申请号：US17677327

    申请日：2022-02-22

    Applicant: STI CO., LTD.

    Inventor： Yuhho CHO

    IPC: B41J25/00 ,  B41J3/28

    Abstract: The present invention includes a plurality of substrate stages which are provided under a head unit, on which substrates are loaded, and which move along a rail, a head unit is controlled to perform first printing on a substrate at a first position, and after the substrate stage moves, perform second printing on the one substrate at the first position or a second position, and thus a total tact time can be decreased and productivity can be improved.

    METHOD OF CONTROLLING INKJET PRINTING PROCESS
    3.
    发明申请
    METHOD OF CONTROLLING INKJET PRINTING PROCESS 有权

    公开(公告)号：US20220314603A1

    公开(公告)日：2022-10-06

    申请号：US17675495

    申请日：2022-02-18

    Applicant: STI CO., LTD.

    Inventor： Sang Pil PARK ,  Kyu Yong HAN ,  Byoung Hoon GONG ,  Young Ho KIM

    IPC: B41J2/045

    Abstract: Disclosed is a method of controlling an inkjet printing process. According to one embodiment of the present invention, a method of controlling an inkjet printing process by using an inkjet print system, the method including a printing operation of moving a first support chuck or a second support chuck in a second direction perpendicular to a first direction and performing the inkjet printing process of discharging an ink onto a substrate and a first suction operation of suctioning remaining ink from a nozzle formed on a first head or a second head using a first suction unit, wherein a controller controls the printing operation for a first substrate, the first suction operation for the second head or the printing operation for a second substrate, and the first suction operation for the first head to be sequentially performed.

    INKJET PRINTING METHOD AND APPARATUS
    5.
    发明申请
    INKJET PRINTING METHOD AND APPARATUS 审中-公开

    公开(公告)号：US20200180307A1

    公开(公告)日：2020-06-11

    申请号：US16290369

    申请日：2019-03-01

    Applicant: STI CO., LTD.

    Inventor： Yuhho CHO

    IPC: B41J2/045

    Abstract: Provided is an inkjet printing method using a plurality of nozzles adapted to be controlled, if given control values are inputted to the plurality of nozzles, to discharge separated ink quantities mapped to the given control values, the method including the steps of: inputting the control value mapped to a given separated ink quantity to the plurality of nozzles, measuring quantities of ink discharged from the plurality of nozzles, and determining discharge performance of the plurality of nozzles; calculating a target print ink quantity in case where a reference separated ink quantity is discharged from a plurality of dots on a window having the plurality of dots constituting at least two or more rows and columns determined based on print resolution (dpi); and determining the control values of the plurality of nozzles based on the discharge performance of the plurality of nozzles to allow the sum of quantities of ink discharged of ink dots injected into the window to be maintained to the target print ink quantity.

    INKJET PRINTING METHOD AND APPARATUS
    6.
    发明申请
    INKJET PRINTING METHOD AND APPARATUS 审中-公开

    公开(公告)号：US20200079077A1

    公开(公告)日：2020-03-12

    申请号：US16227905

    申请日：2018-12-20

    Applicant: STI CO., LTD.

    Inventor： Yuhho CHO

    IPC: B41J2/045 ,  B41J2/21 ,  B41M3/00

    Abstract: Provided is an inkjet printing method using a plurality of nozzles which are controlled to discharge discrete quantities of ink mapped to a specific control value, of which a control value and discrete quantities of ink are mapped, if the specific control value is inputted, the inkjet printing method including the steps of: inputting a control value mapped to specific discrete quantities of ink to the plurality of nozzles to measure discharge performance of the plurality of nozzles; classifying the plurality of nozzles into a plurality of nozzle groups based on the discharge performance measured on the plurality of nozzles; adjusting a mapped relation between the discrete quantities of ink and the control value for the classified nozzle groups; and performing inkjet printing based on a mapped relation between the discrete quantities of ink and the control value.

    Pod cleaning process
    8.
    发明授权
    Pod cleaning process 有权

    公开(公告)号：US12251736B2

    公开(公告)日：2025-03-18

    申请号：US17527214

    申请日：2021-11-16

    Applicant: STI Co., Ltd.

    Inventor： Young Soo Park ,  Dong Geun Hur ,  Ki Man Lee

    IPC: B08B3/02 ,  F26B3/04 ,  F26B3/30 ,  G03F7/00

    Abstract: Proposed is a POD cleaning process including: separating an introduced POD into an inner POD and an outer POD; cleaning a separation POD, which results from the separation, within a cleaning sub-chamber; drying the separation POD, which undergoes the cleaning, within a drying chamber; vacuum-processing the separation POD undergoing the drying; and assembling the inner POD and the outer POD that undergo the vacuum processing, in which the cleaning and the drying are separately performed.

    Inkjet print system and inkjet printing method using the same
    9.
    发明授权
    Inkjet print system and inkjet printing method using the same 有权

    公开(公告)号：US11840099B2

    公开(公告)日：2023-12-12

    申请号：US17865005

    申请日：2022-07-14

    Applicant: STI CO., LTD.

    Inventor： Ki Woong Park

    IPC: B41J2/21 ,  B41J11/00 ,  B41J25/308

    CPC classification number: B41J25/308

    Abstract: Disclosed are an inkjet print system and an inkjet printing method using the same. An inkjet print system according to one embodiment of the disclosure may include a stage on which a printing medium is loaded and which moves the printing medium in a first direction, an inkjet head which moves in a second direction perpendicular to the first direction and in which a plurality of nozzles configured to eject an ink on the printing medium are formed, a measurement instrument which moves in the second direction independent of the inkjet head and measures a height for each section of an impacted coating layer on the printing medium, and a processor which allows the nozzles to be opened or closed on the basis of height information of the coating layer.

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