LIQUID CRYSTAL SUPPLYING SYSTEM AND LIQUID CRYSTAL DISPENSING APPARATUS HAVING THE SAME

The present invention provides a liquid crystal supplying system for supplying liquid crystal to a nozzle dripping liquid crystal onto a substrate. The liquid crystal supplying system includes a liquid crystal bottle configured to accommodate liquid crystal; a filter unit configured to remove bubble...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIN, SEUNG HYUN, KIM, JOON YOUNG, MIN, KEONG JUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SPRAYING OR ATOMISING IN GENERAL TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention provides a liquid crystal supplying system for supplying liquid crystal to a nozzle dripping liquid crystal onto a substrate. The liquid crystal supplying system includes a liquid crystal bottle configured to accommodate liquid crystal; a filter unit configured to remove bubbles or foreign substances included in the liquid crystal flowing from the liquid crystal bottle; a pump module configured to supply a predetermined amount of liquid crystal to the nozzle dripping liquid crystal; a tube configured to sequentially guide the liquid crystal between the liquid crystal bottle, the filter unit, and the pump module; a control unit configured to control to supply the liquid crystal to the nozzle; and a first residue sensor arranged to be adjacent to the filter unit, and configured to detect the residue of liquid crystal which flows from the liquid crystal bottle to accumulate in the filter unit. The liquid crystal supplying system further includes a second residue sensor arranged to be adjacent to the liquid crystal bottle. Accordingly, the residue sensors are arranged in the liquid crystal bottle and the filter unit, respectively, thereby reducing an amount of consumed liquid crystal through the correlation between the residue sensors.