| 摘要 |
PROBLEM TO BE SOLVED: To avoid such problems that when alignment films of the same alignment material are formed on both of a TFT substrate and a CF substrate, the alignment films show the same alignment controlling force, electric characteristics and adhesion strength to the base body on both of the TFT substrate and CF substrate, which means the alignment films are not optimized on the respective substrates and therefore, the display quality is not optimized. SOLUTION: The residual voltage due to a leaked current in a liquid crystal 11 and due to polarization of an alignment film itself can be reduced by using a soluble polyimide for an alignment film 5 on the TFT substrate side, so that irregularity or stains in the display and spot defects due to alignment defects of the liquid crystal can be decreased. An alignment film of uniform thickness can be obtained by using a polyamic acid different from the alignment film in the TFT substrate side is used for an alignment film 25 on the CF substrate side so that a device with little display irregularity due to irregular thickness of the alignment film 25 can be obtained. |
