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公开(公告)号：US20250058565A1
公开(公告)日：2025-02-20
申请号：US18630473
申请日：2024-04-09
Applicant: Samsung Display Co., LTD.
Inventor： Lae Ho KIM , Yu KONTA , Cheong Wan MIN , Jae Bum PAHK , Min Woo LEE , Tae Ho LEE , Jai Hyuk CHOI , Myung Soo HUH
Abstract: An inkjet printing apparatus includes: a plurality of inkjet heads configured to discharge ink, a supply storage device configured to supply the ink to the plurality of inkjet heads, a plurality of supply flow paths configured to move the ink from the supply storage device to the plurality of inkjet heads, a plurality of discharge flow paths configured to move the ink from the plurality of inkjet heads to the supply storage device, and a plurality of by-pass lines directly connecting the plurality of supply flow paths with the plurality of discharge flow paths.
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公开(公告)号：US20210300026A1
公开(公告)日：2021-09-30
申请号：US17150521
申请日：2021-01-15
Applicant: Samsung Display Co., LTD.
Inventor： Futoshi YOSHIDA , Cheong Wan MIN , Min A HAN , Jae Bum PAHK , Jeong Ho YI , Heung Cheol JEONG , Myung Soo HUH
Abstract: An inkjet print apparatus includes a print head discharging ink onto a substrate, the print head including a first heater; a reservoir storing the ink; a first pipe supplying the ink to the reservoir; a second pipe collecting surplus ink; a mixing unit located on the first pipe and mixing the ink; a pump located on the second pipe and pressurizing and supplying the surplus ink to the reservoir; a temperature sensor located between the mixing unit and the print head and sensing a temperature of the ink; and a controller controlling a temperature of at least one of the first heater and the second heater in response to information received from the temperature sensor. The print head includes a heat insulator blocking heat emitted from the first heater between the substrate and the first heater.
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