Liquid crystal dispensing apparatus

A liquid crystal dispensing apparatus facilitating detection of vapor within liquid crystal material, facilitating removal of residual liquid crystal material, and facilitating precise control of predetermined dispensing positions and dispensing amounts includes a container containing liquid crystal...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JEONG JAE-GYU,KWAK SOO-MIN,SON HAE-JOON,AN MAN-HO,KIM JOON-YOUNG
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS 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 ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SEMICONDUCTOR DEVICES SPRAYING OR ATOMISING IN GENERAL TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING
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Beschreibung
Zusammenfassung:	A liquid crystal dispensing apparatus facilitating detection of vapor within liquid crystal material, facilitating removal of residual liquid crystal material, and facilitating precise control of predetermined dispensing positions and dispensing amounts includes a container containing liquid crystal material, a discharge pump drawing in and discharging liquid crystal material, and a nozzle dispensing liquid crystal material, discharged from the discharge pump, onto a substrate. The discharge pump includes a case, a window at a lower portion of the case, a cylinder within the case, a piston rotatably arranged within the cylinder and having a groove for drawing in and discharging liquid crystal material, and a suction opening and a discharge opening through which liquid crystal material is drawn into and discharged from with respect to the cylinder.