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公开(公告)号：US11654691B2
公开(公告)日：2023-05-23
申请号：US17457087
申请日：2021-12-01
Applicant: GOSANTECH CO., LTD.
Inventor： Sohyeon Park
IPC: B41J2/18
CPC classification number: B41J2/18
Abstract: An ink storage unit capable of stirring ink by ink circulation is proposed. The ink storage unit, which is configured to store ink for supplying the ink to an inkjet head including a plurality of nozzles to discharge the ink, includes an ink storage container having an inside space configured to store the ink therein, a head supply tube configured to supply the ink stored in the ink storage container to the inkjet head, a head recovery tube configured to recover remaining ink remained in the inkjet head to the ink storage container, a circulation tube configured to drain the ink through a first end thereof connected to the ink storage container and to receive the ink through a second end thereof connected to the ink storage container, and a circulation pump provided in the circulation tube to transfer the ink.
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公开(公告)号：US20220088936A1
公开(公告)日：2022-03-24
申请号：US17097383
申请日：2020-11-13
Applicant: GOSANTECH CO., LTD.
Inventor： Sung-hee LEE , Ji-hee BOO , So-hyeon PARK
IPC: B41J2/175
Abstract: Proposed is an ink storage tank that stores ink to supply the ink to an inkjet head equipped with a plurality of nozzles configured to eject the ink, the tank including an agitator configured to agitate the ink in an ink storage space defined in a housing of the ink storage tank, where the agitator includes a rotary shaft horizontally installed in the ink storage space, one or more blades that protrude outward from the rotary shaft, and a rotation drive unit configured to rotate the rotary shaft, and where the bottom surface of the ink storage space has a concavely curved shape corresponding to the trace of the outer edges of the rotating blades. The ink storage tank has an effect of maintaining desired dispersibility of particles in ink due to the agitator having the horizontal rotary shaft and the concavely curved bottom surface of the ink storage space.
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公开(公告)号：US20210283921A1
公开(公告)日：2021-09-16
申请号：US16908146
申请日：2020-06-22
Applicant: Gosantech Co., Ltd.
Inventor： Jaeryul Yu
IPC: B41J2/175
Abstract: The present invention relates to an ink circulation supply system for an inkjet head. The system is configured to supply ink to the inkjet head having a plurality of nozzles for ejecting the ink, and includes: a meniscus reservoir; a circulation reservoir; and an ante reservoir, the reservoirs where a first pressure connection pipe with a first pressure valve, a second pressure connection pipe with a second pressure valve, a first ink connection pipe, and a second ink connection pipe with an ink valve are provided, wherein when the internal pressure of the circulation reservoir is controlled to be lower than that of the meniscus reservoir, the ink stored in the meniscus reservoir is moved to the circulation reservoir without requiring use of a separate pump.
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公开(公告)号：US12172451B2
公开(公告)日：2024-12-24
申请号：US17969348
申请日：2022-10-19
Applicant: GOSANTECH CO., LTD.
Inventor： Yunseok Choi , Jihee Boo
Abstract: Proposed is a head assembly for an ink-jet printer. The head assembly includes a head module including a head discharging ink and a reservoir storing the ink, a fixing portion including a pressure controller configured to control a gas pressure, the fixing portion including a control driver configured to control the head, and includes a stage frame on which the head module and the fixing portion are mounted, the stage frame being connected to a moving device. The head module is capable of being attached to and detached from the stage frame, and connecting portions are formed on portions where the head module and the stage frame contact, so that a pipe and a wiring formed on the head module are connected to a pipe and a wiring which are connected to the fixing portion and which are inserted into or passing through the stage frame.
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5.发明公开公开(公告)号：US20240165958A1
公开(公告)日：2024-05-23
申请号：US18296514
申请日：2023-04-06
Applicant: GOSANTECH CO., LTD.
Inventor： Dongkyun SHIN
CPC classification number: B41J2/17513 , B41J2/17509 , B41J2/17556 , B41J2/17566 , B41J2/18 , B41J2002/17516
Abstract: Disclosure relates to an ink storage apparatus with a rotating type ink storage pouch. The ink storage apparatus storing ink to supply the ink to an ink-jet head includes a nozzle ejecting ink includes an ink pouch configured to store ink to supply the stored ink to the ink-jet head, an airtight casing connected to a gas pressure control system, a pouch holding part configured to hold the ink pouch while the ink pouch is inclined at a predetermined angle, and a pouch rotating part configured to rotate the pouch holding part on a predetermined rotating shaft to agitate the ink stored in the ink pouch, wherein the gas pressure control system is configured to control gas pressure of an internal space of the airtight casing, thereby allowing the ink stored in the ink pouch to maintain the meniscus state thereof at the ink-jet head.
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Patent Agency Ranking
公开(公告)号：US20230001689A1
公开(公告)日：2023-01-05
申请号：US17737315
申请日：2022-05-05
Applicant: GOSANTECH CO., LTD.
Inventor： Jaeryul Yu , Dongkyun Shin
IPC: B41J2/045
Abstract: An inkjet printer configured to control the temperature of ink discharged from nozzles of an inkjet head is proposed. The inkjet printer includes: an inkjet head including a plurality of nozzles configured to discharge ink, an ink reservoir configured to store ink supplied to the inkjet head, a supply channel configured to supply the ink in the ink reservoir to the inkjet head, a pressure control device connected to the ink reservoir through a pressure control tube and configured to maintain the meniscus of the ink injected into the inkjet head, and the ink temperature control unit configured to control temperature of the ink discharged from the inkjet head.
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公开(公告)号：US20240206199A1
公开(公告)日：2024-06-20
申请号：US18450042
申请日：2023-08-15
Applicant: GOSANTECH CO., LTD.
Inventor： Jinyoung LEE
CPC classification number: H10K30/87 , H10K30/88 , H10K39/10 , H10K71/441
Abstract: Proposed is a method for manufacturing a perovskite solar cell module encapsulated with a self-cleaning thin film by using an inkjet printing process. The method includes a boundary line forming step and a micro lens forming step. The boundary line forming step is to form boundary lines on the surface of an organic or inorganic film surrounding a perovskite solar cell array by an inkjet printing process, and the micro lens forming step is to form a micro lens array on the surface of the organic or inorganic film surrounding the perovskite solar cell array such that each of the micro lenses is surrounded by the boundary line. The boundary line is first formed to demarcate regions corresponding to the respective micro lenses, and the micro lenses are then formed in the regions surrounded by the boundary line, so that micro lenses with a high aspect ratio are densely formed.
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8.发明公开公开(公告)号：US20240083171A1
公开(公告)日：2024-03-14
申请号：US18296621
申请日：2023-04-06
Applicant: GOSANTECH CO., LTD
Inventor： Jinyoung LEE
CPC classification number: B41J2/16552 , B41J2/1652 , B41J2/185 , B41J2002/16555 , B41J2002/16564
Abstract: Disclosure is an ink supply system for an ink-jet head with a steam cleaning function. The ink supply system includes an ink-jet head including a nozzle, an ink storing device, a gas pressure control system applying negative or positive pressure to the ink storing device, a cleansing solution storing part, and a steam generating device changing at least a part of the cleansing solution into steam, wherein the cleansing solution or the cleansing solution steam is inserted into the ink storing device to clean the ink storing device and the ink-jet head.
The ink supply system cleans quickly and completely residue of ink to prevent contamination during the process of changing and using ink, and the ink storage, the ink-jet head, and the ink flow path are cleaned by evaporated cleansing solution during long-term printing, thereby maintaining the ink-jet head and the ink supply system into the initial state.-
公开(公告)号：US20230187133A1
公开(公告)日：2023-06-15
申请号：US17989084
申请日：2022-11-17
Applicant: Gosantech Co., Ltd
Inventor： Jaeryul YU
IPC: H01G4/005
Abstract: Proposed is a method of forming an electrode of an electronic device for manufacturing the electronic device, the method including forming a boundary line corresponding to an edge of an electrode pattern by inkjet printing, and forming an electrode body filled inside the boundary line by inkjet printing, wherein height and width of the electrode pattern are controlled by limiting ink printed in the electrode body formation such that the ink is prevented from going to an outside by the boundary line. The electrode body is formed after first forming the boundary line to prevent the spreading of ink ejected by inkjet printing, thereby increasing the precision of the electrode pattern which is the effect of inkjet printing and enabling the formation of the electrode having height which cannot be achieved by conventional inkjet printing.
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10.发明授权公开(公告)号：US11427007B2
公开(公告)日：2022-08-30
申请号：US17097383
申请日：2020-11-13
Applicant: GOSANTECH CO., LTD.
Inventor： Sung-Hee Lee , Ji-Hee Boo , So-hyeon Park
IPC: B41J2/175
Abstract: Proposed is an ink storage tank that stores ink to supply the ink to an inkjet head equipped with a plurality of nozzles configured to eject the ink, the tank including an agitator configured to agitate the ink in an ink storage space defined in a housing of the ink storage tank, where the agitator includes a rotary shaft horizontally installed in the ink storage space, one or more blades that protrude outward from the rotary shaft, and a rotation drive unit configured to rotate the rotary shaft, and where the bottom surface of the ink storage space has a concavely curved shape corresponding to the trace of the outer edges of the rotating blades. The ink storage tank has an effect of maintaining desired dispersibility of particles in ink due to the agitator having the horizontal rotary shaft and the concavely curved bottom surface of the ink storage space.
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