Liquid crystal display device having spontaneous polarization

An active matrix driven liquid crystal display device, comprising:

• a liquid crystal cell in which a liquid crystal material having spontaneous polarization is sealed;
• wherein a magnitude Ps (nC/cm2) of the spontaneous polarization per unit area of the liquid crystal material satisfies a condition of |2Ps·A|≦|7Clc·A|, and no storage capacitor is provided,
• where A (cm2) is an electrode area of a pixel, and
• Clc (nF/cm2) is a capacity of liquid crystal per unit area.

An active matrix driven liquid crystal display device, comprising:

• a liquid crystal cell in which a liquid crystal material having spontaneous polarization is sealed;
• wherein a magnitude Ps (nC/cm2) of the spontaneous polarization per unit area of the liquid crystal material satisfies a condition of |2Ps·A|≦|5Clc·A|, and no storage capacitor is provided,
• where A (cm2) is an electrode area of a pixel, and
• Clc (nF/cm2) is a capacity of liquid crystal per unit area.

An active matrix driven liquid crystal display device, comprising:

• a liquid crystal cell in which a liquid crystal material having spontaneous polarization is sealed;
• wherein a magnitude Ps (nC/cm2) of the spontaneous polarization per unit area of the liquid crystal material satisfies a condition of |2Ps·A|≦|k·Clc·A|, and no storage capacitor is provided,
• where A (cm2) is an electrode area of a pixel,
• Clc (nF/cm2) is a capacity of liquid crystal per unit area, and
• k is a magnitude of a voltage applied to the liquid crystal cell.

An active matrix driven liquid crystal display device, comprising:

• a liquid crystal cell in which a liquid crystal material having spontaneous polarization is sealed;
• wherein a magnitude Ps (nC/cm2) of the spontaneous polarization per unit area of the liquid crystal material satisfies a condition of |2Ps·A|≦|0.6·k·Clc·A|, and no storage capacitor is provided,
• where A (cm2) is an electrode area of a pixel,
• Clc (nF/cm2) is a capacity of liquid crystal per unit area, and
• k is a magnitude of a voltage applied to the liquid crystal cell.