Disclosed is a system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same. The present invention includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line formi
Disclosed is a system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same. The present invention includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels. And, the GAP process line includes And, the present invention includes the processes of dropping LC on a first substrate using a dispenser, forming a main UV hardening sealant on a second substrate, bonding the first and second substrates to each other in a vacuum state, UV-hardening the main UV hardening sealant, cutting the bonded substrates into cell units, grinding the cut substrates, and inspecting the grinded substrates finally.
대표청구항▼
What is claimed is: 1. A method for forming liquid crystal to liquid crystal display panel using a liquid crystal dispensing device, comprising: inputting data: calculating a single drop amount of the liquid crystal based on the dropping amount calculated by a dropping amount calculation unit and t
What is claimed is: 1. A method for forming liquid crystal to liquid crystal display panel using a liquid crystal dispensing device, comprising: inputting data: calculating a single drop amount of the liquid crystal based on the dropping amount calculated by a dropping amount calculation unit and the input data; calculating a number of drops of the liquid crystal based on the dropping amount calculated by the dropping amount calculation unit and the input data; and calculating a dropping position and a dispensing pattern of the liquid crystal with a dispensing pattern calculation unit based on the calculated single drop amount of the liquid crystal, the calculated numbers of drops of the liquid crystal, and a mode of the liquid crystal. 2. The method of claim 1, wherein the dispensing pattern calculation unit calculates the dispensing pattern according to a shape of the liquid crystal display panel area, a shape of the array pattern on the liquid crystal display panel, and an alignment direction on the liquid crystal display panel. 3. The method of claim 1, wherein the liquid crystal display panel area is a Twisted Nematic mode panel area. 4. The method of claim 3, wherein the dispensing pattern calculated by the dispensing pattern calculation unit is a dumbbell shaped pattern. 5. The method of claim 4, wherein compensating the central portion of the dumbbell performs the compensation of the dispensing pattern. 6. The method of claim 1, wherein the liquid crystal display panel area is a In Plane Switching mode panel area. 7. The method of claim 6, wherein the dispensing pattern calculation unit is a lightning shaped pattern having tail portions in the opposite direction of the alignment direction. 8. The method of claim 7, wherein the tail portion of the lightning performs the compensation of the dispensing pattern. 9. The method of claim 7, wherein the dispensing pattern calculated by the dispensing pattern calculation unit includes: a first dispensing pattern in the central portion of the liquid crystal display panel area; and a second dispensing pattern in the substantially perpendicular direction of the alignment direction. 10. The method of claim 9, wherein the compensating of the dispensing pattern unit is performed by the second dispensing pattern. 11. The method of claim 1, wherein the liquid crystal display panel area is a Vertical Alignment mode panel area. 12. The method of claim 11, wherein the dispensing pattern calculation unit is at least one of a dumbbell shaped pattern and a rectangular shaped pattern. 13. The method of claim 12, wherein compensating the central portion of dumbbell shaped pattern or rectangular shaped pattern performs the compensation of the dispensing pattern. 14. The method of claim 1, wherein the liquid crystal dispensing device includes: a liquid crystal container for containing the liquid crystal to be dispensed onto the first substrate; a nozzle disposed on a lower portion of the liquid crystal container, the nozzle including a main body portion, a discharging portion projecting from a lower surface of the main body portion for dispensing liquid crystal, a protecting unit formed near the discharging portion to protect the discharging portion; a needle sheet disposed on the lower portion of the liquid crystal container, the needle sheet having a discharging hole through which the liquid crystal is discharged; needle member disposed in the liquid crystal container, the needle member being moveable between a down position where an end of the needle member contacts the needle sheet to block flow of the liquid crystal through the discharging hole of the needle sheet and an up position where the needle is separated from the needle sheet; a first spring member to bias the needle member toward the down position; a solenoid system for generating a magnetic force to move the needle member to the up position when the solenoid system is actuated; and a gas supply to provide a gas pressure to drive the liquid crystal through the nozzle when the needle member is in the up position. 15. The method of claim 14, wherein the liquid crystal container is made of a metal. 16. The method of claim 15, wherein the metal is a stainless steel. 17. The method of claim 14, wherein the liquid crystal dispensing unit further comprises a case in which the liquid crystal container is received. 18. The method of claim 17, wherein the liquid crystal container is made of polyethylene and the case is made of a metal. 19. The method of claim 14, wherein the protecting unit includes a protecting wall formed around the discharging portion. 20. The method of claim 14, wherein the liquid crystal dispensing unit further comprises a fluoro resin layer on the surface of the nozzle. 21. The method of claim 14, wherein the needle member includes: a first needle; a second needle connected to the first needle; and a fixing unit for fixing the first and second needles. 22. The method of claim 21, wherein the needle member further comprises a first spring fixing unit for fixing the first spring, the first spring fixing unit is formed in the second needle. 23. The method of claim 21, wherein the second needle has a protrusion and the first needle has a groove in which the protrusion is inserted, thereby the first and second needles are connected each other. 24. The method of claim 21, wherein the first and second needle is separable. 25. The method of claim 14, wherein the first spring member includes: a first spring mounted at the end of the second needle; and a tension controlling structure for controlling the tension of the first spring. 26. The method of claim 25, wherein the tension controlling structure includes: a first spring receiving unit for receiving the first spring; and a tension controlling unit inserted into the first spring receiving unit to control the tension of the first spring. 27. The method of claim 26, wherein the first spring member further comprises a tension fixing unit for fixing the tension controlling unit to fix the first spring in the predetermined length. 28. The method of claim 14, wherein the liquid dispensing unit further comprises a magnetic bar amounted above the first spring member in the predetermined interval, the magnetic bar generating the magnetic force to move the needle member in the up position when the electric power is applied to the solenoid system. 29. The method of claim 28, wherein the magnetic bar is made of the material selected from a group consisting of ferromagnetic material and soft magnetic material. 30. The method of claim 28, wherein the solenoid system includes a solenoid coil around the magnetic bar. 31. The method of claim 28, wherein the liquid crystal dispensing unit further comprises a second spring member mounted in the end of the magnetic bar, the second spring member driving the magnetic bar in the lower direction to return the needle to the down position. 32. The method of claim 31, wherein the second spring member includes: a second spring mounded in the magnetic bar; and a second spring receiving unit for receiving the second spring. 33. The method of claim 1, further comprising: applying electric power to a solenoid coil from an electric power supply unit to move the needle to the up position; providing a gas pressure to the liquid crystal dispensing unit from a gas supply unit to drive the liquid crystal through a discharging hole; and controlling the electric power supply unit and the gas supply unit such that a predetermined dropping amount of liquid crystal is dispensed onto a substrate. 34. The method of claim 1, further comprising: moving one of the substrate and the liquid crystal dispensing device in accordance with the dispensing pattern. 35. The method of claim 1, further comprising displaying the input data, the calculated dropping amount of the liquid crystal, the calculated dispensing pattern, and a dropping status of the liquid crystal. 36. The method of claim 1, further comprising: compensating the dropping amount of the liquid crystal when a measured dropping amount of the liquid crystal being dropped is different from the dropping amount of the liquid crystal calculated. 37. The method of claim 36, wherein compensating the dropping amount includes: measuring the dropping amount of the liquid crystal; calculating a compensating amount of the liquid crystal by comparing the measured dropping amount with the calculated dropping amount of the liquid crystal; and calculating a dispensing pattern compensation for compensating the dispensing pattern of the liquid crystal based on the calculated compensating amount. 38. The method of claim 37, wherein calculating a compensating amount includes: comparing a dropping amount setting with the measured dropping amount; calculating a difference value between the dropping amount setting and the measured dropping amount; and calculating an error value of dropping amount to compensate for the difference value calculated. 39. The method of claim 1, wherein inputting data includes providing to the dropping amount calculation unit liquid crystal display panel size data, liquid crystal characteristic information, and spacer height data.
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