Liquid crystal display panel in which the rubbing directions of the pair of alignment films are oriented toward a side of a main diffusion source of impurity ions

1. An OCB mode liquid crystal display panel comprising:

a pair of electrode substrates;

a liquid crystal layer which is held between said pair of electrode substrates and has liquid crystal molecules whose alignment state is controlled within a display area by a drive voltage applied from said electrode substrates; and

a pair of alignment films which are disposed on said electrode substrates in contact with said liquid crystal layer and whose rubbing directions are set parallel to each other;

wherein said rubbing directions of the pair of alignment films are oriented toward a side of a main diffusion source of impurity ions,

said liquid crystal layer is formed of a nematic liquid crystal material applied to a liquid crystal filling space surrounded by a sealing resin layer between said electrode substrates,

said main diffusion source of impurity ions is a sealing member that seals a liquid crystal inlet provided in a part of said sealing resin layer.

2. The display panel according to claim 1 , wherein each of said electrode substrates is a rectangle having two long sides, and said rubbing directions are substantially perpendicular to said two long sides.

3. The display panel according to claim 1 , further comprising a drive circuit configured to periodically apply an inverse-transfer preventing voltage for maintaining the alignment state of the liquid crystal molecules in a bend alignment, as the drive voltage to said liquid crystal layer.

4. An OCB mode liquid crystal display panel comprising:

a pair of electrode substrates;

a liquid crystal layer which is held between said pair of electrode substrates and has liquid crystal molecules whose alignment state is controlled within a display area by a drive voltage applied from said electrode substrates; and

a pair of alignment films which are disposed on said electrode substrates in contact with said liquid crystal layer and whose rubbing directions are set parallel to each other;

wherein said rubbing directions of the pair of alignment films are oriented toward a side of a main diffusion source of impurity ions,

said liquid crystal layer is formed of a nematic liciuid crystal material applied to a liquid crystal filling space surrounded by a sealing resin layer between said electrode substrates,

said main diffusion source of impurity ions is a part of said sealing resin layer in which a plurality of bend portions projecting towards said display area are concentrated.

5. The display panel according to claim 4 , wherein each of said electrode substrates is a rectangle having two long sides, and said rubbing directions are substantially perpendicular to said two long sides.

6. The display panel according to claim 4 , further comprising a drive circuit configured to periodically apply an inverse-transfer preventing voltage for maintaining the alignment state of the liquid crystal molecules in a bend alignment, as the drive voltage to said liquid crystal layer.

7. An OCB mode liquid crystal display panel comprising:

a pair of electrode substrates;

a liquid crystal layer which is held between said pair of electrode substrates and has liquid crystal molecules whose alignment state is controlled within a display area by a drive voltage applied from said electrode substrates; and

a pair of alignment films which are disposed on said electrode substrates in contact with said liquid crystal layer and whose rubbing directions are set parallel to each other;

wherein said rubbing directions of the pair of alignment films are oriented toward a side of a main diffusion source of impurity ions,

said liquid crystal layer is formed of a nematic liciuid crystal material applied to a liquid crystal filling space surrounded by a sealing resin layer between said electrode substrates,

said main diffusion source of impurity ions is a part of said sealing resin layer which is closest to said display area.

8. The display panel according to claim 7 , wherein each of said electrode substrates is a rectangle having two long sides, and said rubbing directions are substantially perpendicular to said two long sides.

9. The display panel according to claim 7 , further comprising a drive circuit configured to periodically apply an inverse-transfer preventing voltage for maintaining the alignment state of the liquid crystal molecules in a bend alignment, as the drive voltage to said liquid crystal layer.