Display apparatus

There is disclosed an image display apparatus which includes an image display portion formed of a pair of substrates disposed opposite to each other and having a peripheral edge sealed in order to form a sealed gap, and an insulating liquid and a plurality of coloring charged particles disposed in the sealed gap, and which controls positions of the coloring charged particles and displays an image, the apparatus comprising: a movable sheet member disposed to be movable in the gap between the pair of substrates; a writing unit arranged outside the image display portion; and a unit for moving the movable sheet member and writing unit in parallel to the substrates and in a direction of a right angle to the arrangement.