20250214340. Inkjet Printer Devic (Samsung Display ., .)
INKJET PRINTER DEVICE AND MANUFACTURING METHOD OF INKJET PRINTER HEAD
Abstract: an inkjet printer device includes a stage, and an inkjet printer head disposed on the stage. the inkjet printer head includes a chamber part for providing ink, and a nozzle part which is disposed under the chamber part and in which a plurality of outlet ports for discharging the ink are defined, the nozzle part includes a first inorganic layer, a metal oxide layer disposed on a first upper surface of the first inorganic layer, a second inorganic layer disposed on a first lower surface of the first inorganic layer, and a self-assembled monolayer disposed on a lower surface of the second inorganic layer, a contact angle of the first lower surface with respect to water is lower than a contact angle of the first upper surface with respect to water, and the first inorganic layer and the second inorganic layer include a same material.
Inventor(s): JUNGHAN SEO, JAESIK KIM, WOO YONG SUNG, KWANHYUCK YOON, SEUNGHO YOON, BYEONGJUN LEE, HYEMIN LEE, SEUNGGUN CHAE
CPC Classification: B41J2/1606 ({Coating the nozzle area or the ink chamber})
Search for rejections for patent application number 20250214340