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公开(公告)号:US20240428442A1
公开(公告)日:2024-12-26
申请号:US18627120
申请日:2024-04-04
Applicant: Samsung Display Co., Ltd.
Inventor: YU KONTA , LAEHO KIM , JAE BUM PAHK , MINWOO LEE , HYEONSEON JEONG , JAIHYUK CHOI
Abstract: A method of measuring a droplet is disclosed that includes discharging a droplet onto a substrate, imaging the droplet with a measurement part spaced apart from the droplet in one direction, measuring a distance between the droplet and the measurement part, and correcting an area of the droplet.
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公开(公告)号:US20240367433A1
公开(公告)日:2024-11-07
申请号:US18396846
申请日:2023-12-27
Applicant: Samsung Display Co., LTD.
Inventor: YU KONTA , LAEHO KIM , Jae Bum PAHK , MINWOO LEE , HYEONSEON JEONG , Jai Hyuk CHOI
IPC: B41J2/045
Abstract: An ink droplet volume measurement apparatus including an oblique illumination configured to emit light at a first angle to ink droplets deposited onto a substrate, an imaging device configured to obtain planar images of the ink droplets and a shadow of the ink droplets generated by the emitted light and a calculation device configured to calculate a volume of the ink droplets deposited onto the substrate based on the planar images of the ink droplets and the shadow of the ink droplets.
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