Liquid crystal display device and manufacturing method thereof
View Patent ↗A method of manufacturing a liquid crystal display device includes preparing a pair of substrates that have a structure P1 having a height Hp1 and a structure P2 having a height Hp2, the heights Hp1 and Hp2 satisfying a relationship of 0.3 (μm) ≦Hp1−Hp2≦1.0 (μm); controlling a dropping amount V of liquid crystal so that a cell gap G1 that is determined by the dropping amount V of liquid crystal, the height Hp1 and the height Hp2 satisfying a relationship of Hp2<G1<Hp1; dropping the controlled dropping amount V of liquid crystal on one of the pair of substrates; and attaching the pair of substrates in a vacuum followed by returning to an atmospheric pressure to fill in the liquid crystal between the pair of substrates.
1. A method of manufacturing a liquid crystal display device comprising:
preparing a pair of substrates that have a structure P 1 having a height Hp 1 and formed in a form of a pillar and a structure P 2 having a height Hp 2 and formed in a form of a pillar, the heights Hp 1 and Hp 2 satisfying a relationship of 0.3 (μm)≦Hp 1 −Hp 2 ≦1.0 (μm);
coating a sealing material on a whole circumference of an outer periphery of one of the pair of substrates;
dropping a dropping amount V of liquid crystal on one of the pair of substrates, wherein a cell gap G 1 that is determined by the dropping amount of V of liquid crystal, the height of Hp 1 and the height of Hp 2 satisfy a relationship of Hp 2 <G 1 <Hp 1 ; and
filling in the liquid crystal between the pair of substrates by attaching the pair of substrates in a vacuum followed by returning into an atmospheric pressure the attached substrates.
2. A method of manufacturing a liquid crystal display device as set forth in claim 1 ,
wherein the structure P 1 has a structure T 1 and a structure C 1 ;
the structure P 2 has a structure T 2 and a structure C 2 ;
the structures T 1 and T 2 are formed on one of the pair of substrates; and
the structures C 1 and C 2 are formed on the other of the pair of substrates.
3. A method of manufacturing a liquid crystal display device as set forth in claim 2 ,
wherein the structure C 1 and the structure C 2 are formed according to a same manufacturing process.
4. A method of manufacturing a liquid crystal display device as set forth in claim 2 ,
wherein a height Ht 1 of the structure T 1 and a height Ht 2 of the structure T 2 satisfy a relationship of Ht 1 >Ht 2 ; and
a height Hc 1 of the structure C 1 and a height Hc 2 of the structure C 2 satisfy a relationship of Hc 1 ≅Hc 2 .
5. A method of manufacturing a liquid crystal display device as set forth in claim 4 ,
wherein the structure T 1 has a metal layer formed of a formation material same as a bus line formed on one of the pair of substrates; and
the structure T 2 does not have the same metal layer.
6. A method of manufacturing a liquid crystal display device as set forth in claim 2 ,
wherein a height Ht 1 of the structure T 1 and a height Ht 2 of the structure T 2 satisfy a relationship of Ht 1 ≅Ht 2 ; and
a height Hc 1 of the structure C 1 and a height Hc 2 of the structure C 2 satisfy a relationship of Hc 1 >Hc 2 .