Manufacturing method of liquid crystal display device
View Patent ↗The present disclosure relates to a manufacturing method of a liquid crystal display device. In one aspect, the method may include laminating two or more multipiece boards to each other by way of a sealing material, applying surface polishing to at least one of the multipiece boards using an etchant, and separating the multipiece boards into respective liquid crystal cells by cutting. In further aspects, the sealing material may include individual sealing materials which are formed on regions of the respective liquid crystal cells, an outer peripheral sealing material which surrounds the respective individual sealing materials and forms an opening at least in a portion thereof, and a weir sealing material of a pattern in which the weir sealing material is formed inside the outer peripheral sealing material and in the vicinity of the opening.
1. A manufacturing method of a liquid crystal display device comprising the steps of:
laminating two or more multipiece boards to each other by way of a sealing material;
applying surface polishing to at least one of multipiece boards using an etchant; and
separating the multipiece boards into respective liquid crystal cells by cutting,
wherein the sealing material includes individual sealing materials which are formed for regions of the respective liquid crystal cells, and an outer peripheral sealing material which surrounds the respective individual sealing materials and forms an opening at least in a portion thereof, and
the opening formed in the outer peripheral sealing material is sealed by sucking a sealant having viscosity before curing within a range from about 125 to about 840 mPa·s into a gap formed between the multipiece boards,
wherein the opening formed in the outer peripheral sealing material is sealed using the sealant remaining after wiping out a surplus amount out of the sealant sucked into the gap formed between the multipiece boards.
2. A manufacturing method of a liquid crystal display device according to claim 1 , wherein sucking of the sealant into the gap formed between the multipiece boards is performed while lowering a temperature of the multipiece boards.
3. A manufacturing method of a liquid crystal display device according to claim 1 , wherein the separating step occurs after the surface polishing step.
4. A manufacturing method of a liquid crystal display device according to claim 1 , wherein the surface polishing step occurs after the laminating step.
5. A manufacturing method of a liquid crystal display device according to claim 1 , wherein the opening sealing step is performed before the surface polishing step.