1. An image device comprising: a plurality of red sub-pixels; a plurality of green sub-pixels; a plurality of blue sub-pixels; a plurality of white sub-pixels; and a plurality of yellow sub-pixels; wherein a ratio of the total number of red sub-pixels to the total number of green sub-pixels to the total number of blue sub-pixels to the total number of white sub-pixels and to the total number of yellow sub-pixels is about 3:3:3:2:1; and wherein the red sub-pixels, the green sub-pixels, the blue sub-pixels, the white sub-pixels, and the yellow sub-pixels are arranged in a matrix of rows and columns; and in any two adjacent rows, the white sub-pixels and the yellow sub-pixels are arranged in the same row; and in this row, white sub-pixels and yellow sub-pixels are separately disposed, and two white sub-pixels are arranged between two yellow sub-pixels.