Image display device, electronic apparatus, and method for driving image display device

An image display device, comprising:

• an image display panel in which pixel units each of which includes a first pixel and a second pixel are periodically arranged in a two dimensional matrix form, the first pixel including a first sub pixel displaying a first color, a second sub pixel displaying a second color, and a third sub pixel displaying a third color, the second pixel including the first sub pixel, the second sub pixel, and a fourth sub pixel displaying a fourth color, the second pixel being adjacent to the first pixel;
• and
• a signal processor configured to generate an output signal by converting an input value of an input signal into an extension value of a color space extended by the first color, the second color, the third color, and the fourth color, and configured to output the generated output signal to the image display panel,
• wherein the signal processor is configured to obtain an output signal of the first sub pixel of the first pixel based on an input signal of the first sub pixel of the first pixel, and is configured to output the output signal of the first sub pixel to the first sub pixel of the first pixel,
• the signal processor is configured to obtain an output signal of the second sub pixel of the first pixel based on an input signal of the second sub pixel of the first pixel, and is configured to output the output signal of the second sub pixel to the second sub pixel of the first pixel,
• the signal processor is configured to obtain an output signal of the first sub pixel of the second pixel based on an input signal of the first sub pixel of the second pixel, and is configured to output the output signal of the first sub pixel to the first sub pixel of the second pixel,
• the signal processor is configured to obtain an output signal of the second sub pixel of the second pixel based on an input signal of the second sub pixel of the second pixel, and is configured to output the output signal of the second sub pixel to the second sub pixel of the second pixel,
• the signal processor is configured to obtain a corrected output signal of the third sub pixel of the first pixel based on an input signal of the third sub pixel of the first pixel and an input signal of the third sub pixel of the second pixel, and is configured to output the corrected output signal of the third sub pixel to the third sub pixel of the first pixel, and
• the signal processor is configured to obtain a corrected output signal of the fourth sub pixel of the second pixel based on an input signal of the first sub pixel, an input signal of the second sub pixel, and an input signal of the third sub pixel of the first pixel and an input signal of the first sub pixel, an input signal of the second sub pixel, and an input signal of the third sub pixel of the second pixel, and is configured to output the corrected output signal of the fourth sub pixel to the fourth sub pixel of the second pixel.

A method for driving an image display device including an image display panel in which pixel units each of which includes a first pixel and a second pixel are periodically arranged in a two dimensional matrix form, the first pixel including a first sub pixel displaying a first color, a second sub pixel displaying a second color, and a third sub pixel displaying a third color, the second pixel including the first sub pixel, the second sub pixel, and a fourth sub pixel displaying a fourth color, the second pixel being adjacent to the first pixel, and a signal processor that generates an output signal by converting an input value of an input signal into an extension value of a color space extended by the first color, the second color, the third color, and the fourth color, and outputs the generated output signal to the image display panel, the method comprising:

• obtaining an output signal of the first sub pixel of the first pixel based on an input signal of the first sub pixel of the first pixel and outputting the output signal of the first sub pixel to the first sub pixel of the first pixel,
• obtaining an output signal of the second sub pixel of the first pixel based on the input signal of the first sub pixel, an input signal of the third sub pixel, and an input signal of the fourth sub pixel of the first pixel and outputting the output signal of the second sub pixel to the second sub pixel of the first pixel,
• obtaining an output signal of the first sub pixel of the second pixel based on an input signal of the first sub pixel of the second pixel and outputting the output signal of the first sub pixel to the first sub pixel of the second pixel,
• obtaining an output signal of the second sub pixel of the second pixel based on the input signal of the first sub pixel, the input signal of the third sub pixel, and the input signal of the fourth sub pixel of the second pixel and outputting the output signal of the second sub pixel to the second sub pixel of the second pixel,
• obtaining a corrected output signal of the third sub pixel of the first pixel based on the input signal of the third sub pixel of the first pixel and the input signal of the third sub pixel of the second pixel and outputting the corrected output signal of the third sub pixel to the third sub pixel of the first pixel,
• obtaining a corrected output signal of the fourth sub pixel of the second pixel based on the input signal of the fourth sub pixel of the first pixel and the input signal of the fourth sub pixel of the second pixel and outputting the corrected output signal of the fourth sub pixel to the fourth sub pixel of the second pixel.