A liquid crystal dispensing apparatus for dispensing liquid crystal onto a substrate includes a liquid crystal container, a nozzle structure, and a valve structure. The liquid crystal container contains the liquid crystal to be dispensed. The nozzle structure is disposed at a lower portion of the li
A liquid crystal dispensing apparatus for dispensing liquid crystal onto a substrate includes a liquid crystal container, a nozzle structure, and a valve structure. The liquid crystal container contains the liquid crystal to be dispensed. The nozzle structure is disposed at a lower portion of the liquid crystal container, and the liquid crystal is dispensed through the nozzle structure onto the substrate. The valve structure is disposed to control flow of the liquid crystal from the liquid crystal container to the nozzle structure in accordance with a gas pressure provided from a gas input of the liquid crystal container. The liquid crystal container may be formed of substantially entirely of metal. An inside surface of the liquid crystal container may include a fluorine resin.
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1. A liquid crystal dispensing apparatus for dispensing liquid crystal onto a substrate, comprising:a liquid crystal container for containing the liquid crystal to be dispensed and having a gas input,wherein the liquid crystal container is formed substantially entirely of metal;a nozzle structure di
1. A liquid crystal dispensing apparatus for dispensing liquid crystal onto a substrate, comprising:a liquid crystal container for containing the liquid crystal to be dispensed and having a gas input,wherein the liquid crystal container is formed substantially entirely of metal;a nozzle structure disposed at a lower portion of the liquid crystal container through which the liquid crystal is dispensed onto the substrate; anda valve structure disposed to control flow of the liquid crystal from the liquid crystal container to the nozzle structure in accordance with a gas pressure provided from the gas input, the valve structure including:a needle sheet including a discharging hole through which the liquid crystal is discharged to the nozzle structure from the liquid crystal container,a needle member disposed in the liquid crystal container, and moveable between open and closed positions, the needle member being biased toward the closed position to contact the needle sheet to prevent flow of the liquid crystal through discharging hole of the needle sheet, anda solenoid magnetically coupled to the needle member to move the needle member to the open position to permit flow of the liquid crystal through the discharging hole of the needle sheet,wherein the solenoid includes a magnetic bar disposed above the needle member, a magnetic field being generated by the solenoid in the magnetic bar to magnetically attract the needle member and to move the needle member to the open position. 2. The liquid crystal dispensing apparatus according to claim 1, wherein the needle member is formed substantially entirely of metal. 3. The liquid crystal dispensing apparatus according to claim 2, wherein the metal of the needle member is stainless steel. 4. The liquid crystal dispensing apparatus according to claim 2, wherein a fluorine resin film is coated onto a surface of the needle member. 5. The liquid crystal dispensing apparatus according to claim 1, wherein the liquid crystal container and the nozzle structure include threaded portions to connect the liquid crystal container to the nozzle structure. 6. The liquid crystal dispensing apparatus according to claim 1, wherein the metal of the liquid crystal container is stainless steel. 7. The liquid crystal dispensing apparatus according to claim 1, wherein a fluorine resin film is coated onto an inner surface of the liquid crystal container. 8. The liquid crystal dispensing apparatus according to claim 1, wherein a fluorine resin film is formed by one of a dipping or spraying method. 9. A liquid crystal dispensing apparatus for dispensing liquid crystal onto a substrate, comprising:a liquid crystal container for containing the liquid crystal to be dispensed and including a gas input, a first fluorine resin film being formed on an inside surface of the liquid crystal container;a nozzle structure disposed at a lower portion of the liquid crystal container through which the liquid crystal is dispensed onto the substrate; anda valve structure disposed to control flow of the liquid crystal from the liquid crystal container to the nozzle structure in accordance with a gas pressure provided from the gas input, the valve structure including:a needle sheet including a discharging hole through which the liquid crystal is discharged to the nozzle structure from the liquid crystal container,a needle member disposed in the liquid crystal container, and moveable between open and closed positions, the needle member being biased toward the closed position to contact the needle sheet to prevent flow of the liquid crystal through discharging hole of the needle sheet, anda solenoid magnetically coupled to the needle member to move the needle member to the open position to permit flow of the liquid crystal through the discharging hole of the needle sheets,wherein the solenoid includes a magnetic bar disposed above the needle member, a magnetic field being generated by the solenoid in the magnetic bar to magnetically a ttract the needle member and to move the needle member to the open position. 10. The liquid crystal dispensing apparatus according to claim 9, wherein the needle member is formed substantially entirely of metal. 11. The liquid crystal dispensing apparatus according to claim 10, wherein the metal of the needle member is stainless steel. 12. The liquid crystal dispensing apparatus according to claim 10, wherein a second fluorine resin film is coated onto a surface of the needle member. 13. The liquid crystal dispensing apparatus according to claim 9, wherein the liquid crystal container and the nozzle structure include threaded portions to connect the liquid crystal container to the nozzle structure. 14. The liquid crystal dispensing apparatus according to claim 9, wherein the metal of the liquid crystal container is stainless steel. 15. The liquid crystal dispensing apparatus according to claim 9, wherein the liquid crystal directly contacts the liquid crystal container formed of stainless steel with the fluorine resin film thereon.
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