Liquid crystal dispensing apparatus with nozzle cleaning device
AssigneeLG Display Co., Ltd.
InventorsHyug-Jin Kweon, Hae-Joon Son
Life of this patent
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Abstract
A liquid crystal dispensing apparatus includes a liquid crystal dispensing means and a nozzle cleaning means. The liquid crystal dispensing means includes a liquid crystal container for containing liquid crystal material and a nozzle through which the liquid crystal material may be dispensed on a substrate. The nozzle cleaning means is arranged around the nozzle and removes liquid crystal residue accumulated on a surface of the nozzle, moves to a lower portion of the nozzle to suck and remove the liquid crystal residue after liquid crystal material is dispensed by the liquid crystal dispensing means a predetermined number of times.
Claims17
A liquid crystal dispensing apparatus, comprising:
- a liquid crystal dispensing means capable of containing liquid crystal material and dispensing the contained liquid crystal material onto a substrate through a nozzle;
- and
- a nozzle cleaning means arranged around the nozzle for removing liquid crystal residue accumulated on a surface of the nozzle.
The apparatus of claim 9, wherein the motor is moved toward the nozzle after a predetermined number of times the liquid crystal is dispensed.
A nozzle cleaning device comprising:
- a main body arranged around a liquid crystal dispensing apparatus capable of dispensing liquid crystal material onto a substrate;
- a suction tube arranged within the main body for sucking liquid crystal residue accumulated on a surface of a nozzle incorporate within the liquid crystal dispensing apparatus after a predetermined number of times liquid crystal material is dispensed;
- and
- a vacuum pump connected to the suction tube for creating a suction force capable of removing the liquid crystal residue.
A method of cleaning a nozzle, comprising:
- arranging a main body around a nozzle of liquid crystal dispensing apparatus capable of dispensing liquid crystal material, the main body comprising a suction tube through which liquid crystal material may be drawn into;
- and
- activating a vacuum pump connected to the suction tube, wherein the vacuum pump is capable of generating a suction force within the suction tube.
Dependencies are inferred from the claim text.