An electrophoretic
display device includes a pixel structure and a
color filter array. In the pixel structure, an area of a blue pixel
electrode is less than an area of a red pixel
electrode, and the area of the blue pixel
electrode is less than an area of a green pixel electrode. In the
color filter array, areas of red, green, and
blue filter units are all substantially the same and the red, green, and
blue filter units are overlapped with the red, green, and blue pixel electrodes respectively. A ratio of the area of the red filter unit to the area of the red pixel electrode is RFF; a ratio of the area of the green filter unit to the area of the green pixel electrode is GFF; a ratio of the area of the
blue filter unit to the area of the blue pixel electrode is BFF, and BFF>RFF≥GFF.