US 12,447,744 B2
Inkjet apparatus for display panel manufacturing and substrate processing facility
Cheol Yong Shin, Chungcheongnam-do (KR); Jae Youl Kim, Chungcheongnam-do (KR); In Ho Kim, Chungcheongnam-do (KR); and Jin Woo Jang, Chungcheongnam-do (KR)
Assigned to SEMES CO., LTD., Chungcheongnam-do (KR)
Filed by SEMES CO., LTD., Chungcheongnam-do (KR)
Filed on May 6, 2023, as Appl. No. 18/144,170.
Claims priority of application No. 10-2022-0081118 (KR), filed on Jul. 1, 2022.
Prior Publication US 2024/0001672 A1, Jan. 4, 2024
Int. Cl. B41J 2/14 (2006.01)
CPC B41J 2/14314 (2013.01) [B41J 2/14201 (2013.01); B41J 2002/14491 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An inkjet apparatus for display manufacturing, comprising:
a nozzle unit having a discharge port for discharging ink to a substrate;
a charging unit disposed on a side of the nozzle unit and charging the ink; and
an accelerating electrode disposed on an opposite side of the nozzle unit with the substrate interposed therebetween, and accelerating the ink towards the substrate by electrical attraction,
wherein the charging unit includes a charging body in contact with the discharge port and grounded; and a charging electrode spaced apart from the charging body and connected to a voltage source, and
wherein the accelerating electrode is connected to a voltage source and has the same polarity as a polarity of the charging electrode.