Liquid Crystal Display Device, Method of Driving the Same, and Method of Driving a Portable Information Device Having the Liquid Crystal Display Device

A display device comprising:

• a plurality of pixels, each of the plurality of pixels comprising:
• a first memory circuit and a second memory circuit;
• a first thin film transistor and a second thin film transistor;
• a source signal line covering the first memory circuit and the second memory circuit;
• and
• a first gate signal line and a second gate signal line,
• wherein the first thin film transistor is connected to the source signal line and the first memory circuit,
• wherein the second thin film transistor is connected to the source signal line and the second memory circuit, and
• wherein a gate electrode of the first thin film transistor is connected to the first gate signal line and a gate electrode of the second thin film transistor is connected to the second gate signal line.