Liquid crystal display device

A liquid crystal display device comprising:

• one image signal line to which drain electrodes of thin film transistors respectively included in a plurality of pixels are connected, each of the plurality of the pixels including a pixel electrode and one of the thin film transistors which has a source electrode thereof connected to the pixel electrode;
• a plurality of scanning lines respectively connected to gate electrodes of the thin film transistors included in the plurality of pixels connected to the one image signal line,
• an output unit which is configured to output ON voltage for turning on the thin film transistors through the plurality of scanning lines in a predetermined order;
• and
• an image signal output unit which is configured to output image signal voltage corresponding to the plurality of pixels through the image signal line in the predetermined order;
• wherein
• the image signal output unit is configured to output a gray level signal voltage having a voltage corresponding to a gray level value of the pixel as an image signal voltage of the pixel in a first period out of a period in which the image signal voltage of the pixel is outputted, and is configured to output a correction gray level signal voltage having a voltage different from the gray level signal voltage as an image signal voltage of the pixel in a second period which precedes the first period out of the period,
• the plurality of pixels include a first pixel connected to one scanning line in the plurality of scanning lines, a second pixel to which the ON voltage is input one pixel before the first pixel in the predetermined order, and a third pixel to which the ON voltage is input one pixel before the second pixel in the predetermined order;
• the liquid crystal display device further comprises a control unit configured to generate the correction gray level signal voltage of the plurality of the pixels, the control unit generating the correction gray level signal voltage of the first pixel based on the gray level value of the pixel and one of a plurality of gray level values of pixels which precede the pixel in order;
• wherein the control unit comprises:
• a correction unit which is configured to output the correction gray level value of the first pixel, based on the gray level value of the first pixel, a gray level value of the second pixel, and a gray level value of the third pixel, and
• a correction gray level signal voltage generation unit which is configured to generate the correction gray level signal voltage based on the correction gray level value outputted from the correction unit.