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US 12,447,744 B2Granted
Inkjet apparatus for display panel manufacturing and substrate processing facility
AssigneeSemes Co., Ltd.
InventorsCheol Yong Shin, Jae Youl Kim, In Ho Kim, Jin Woo Jang
Life of this patent
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Abstract
An inkjet apparatus for display manufacturing includes 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.
Claims18
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.
4 more elements
An inkjet apparatus for display manufacturing, comprising:
- an inkjet head body including an ink chamber accommodating ink and an ink flow path connected to the ink chamber;
- a nozzle unit disposed in the inkjet head body, and having a discharge port connected to the ink chamber and discharging the 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 installed adjacent to the discharge port and grounded;
- and
- a charging electrode spaced apart from the charging body and connected to a voltage source, and
- the charging body is charged with a polarity opposite to a polarity of the charging electrode by the charging electrode, and
- wherein the accelerating electrode is connected to a voltage source and has the same polarity as the charging electrode.
8 more elements
Dependencies are inferred from the claim text.