Liquid crystal display device and electronic apparatus

1. A liquid crystal display device comprising:

a liquid crystal panel;

an image information application unit disposed on a side opposite to a display side of the liquid crystal panel;

an illumination unit for irradiating light to the image information application unit;

a liquid crystal shutter device disposed between the image information application unit and the liquid crystal panel;

a polymer dispersion type liquid crystal layer disposed in the liquid crystal shutter device and containing liquid crystal molecules and polymers, in which the polymers are aligned in a twisted manner at a twist angle larger than 0 degree and smaller than 180 degrees; and

a polarization layer disposed between the liquid crystal panel and the liquid crystal shutter device so that in a rotation direction where the polymers are aligned in a twisted manner, an absorption axis thereof is set in a direction substantially perpendicular to a radial direction where the polymers are twisted by half the twist angle.

2. A liquid crystal display device comprising:

a liquid crystal panel;

an image information application unit disposed on a side opposite to a display side of the liquid crystal panel;

an illumination unit for irradiating light to the image information application unit;

a liquid crystal shutter device disposed between the image information application unit and the liquid crystal panel;

a polymer dispersion type liquid crystal layer disposed in the liquid crystal shutter device and containing liquid crystal molecules and polymers, in which the polymers are aligned in a twisted manner at a twist angle larger than 180 degree and smaller than 360 degrees; and

a polarization layer disposed between the liquid crystal panel and the liquid crystal shutter device so that in a rotation direction where the polymers are aligned in a twisted manner, an absorption axis thereof is set in a direction substantially perpendicular to a radial direction where the polymers are twisted by half an angle subtracted from the twist angle by 180 degrees.

3. The liquid crystal display device according to claim 1 , wherein the absorption axis of the polarization layer and the radial direction are at an angle of 12.9 degrees or less.

4. The liquid crystal display device according to claim 1 , further comprising:

a pair of electrodes disposed in the liquid crystal shutter device so as to sandwich the polymer dispersion type liquid crystal layer;

a first alignment film disposed between a first electrode of the pair of electrodes and the polymer dispersion type liquid crystal layer and having an alignment regulating force of causing the polymers to be aligned in a first direction; and

a second alignment film disposed between a second electrode of the pair of electrodes and the polymer dispersion type liquid crystal layer and having an alignment regulating force of causing the polymers to be aligned in a second direction that is twisted by the twist angle in the rotation direction from the first direction.

5. The liquid crystal display device according to claim 1 , wherein the polymer dispersion type liquid crystal layer is formed with a chiral agent added thereto.

6. The liquid crystal display device according to claim 1 , wherein the illumination unit is disposed in the image information application unit at a side opposite to a side where the liquid crystal panel is disposed.

7. An electronic apparatus having a display unit configured by the liquid crystal display device according to claim 1 .