Display device

1. A display device comprising:

main pixels arrayed in a matrix;

scanning lines disposed to extend in a row direction and be distant from one another in a column direction perpendicular to the row direction; and

data lines disposed to extend in the column direction and be distant from one another in the row direction,

wherein each main pixel includes a sub-pixel for a first color, a sub-pixel for a second color, and a sub-pixel for a third color,

wherein, in each main pixel, the sub-pixel for the second color is disposed to be adjacent to the sub-pixel for the first color in the row direction,

wherein, in each main pixel, the sub-pixel for the third color is disposed to be adjacent to the sub-pixel for the first color in the column direction,

wherein each of the sub-pixels for the first color, the sub-pixels for the second color, and the sub-pixels for the third color includes a transistor, a first electrode connected with the transistor, an element isolation film provided over the first electrode, a light emitting material area formed to cover an opening provided in the element isolation film, and a second electrode provided above the light emitting material area,

wherein openings in the element isolation film define light emitting areas of the sub-pixels for the first color, the sub-pixels for the second color, and the sub-pixels for the third color,

wherein each of the sub-pixels for the first color, the sub-pixels for the second color, and the sub-pixels for the third color is connected with one of the scanning lines and one of the data lines,

wherein number of main pixels per row is M (M is a natural number) and number of main pixels per column is N (N is a positive even number),

wherein number of the scanning lines is (3/2)N,

wherein number of sub-pixels connected with each of the scanning lines is 2M,

wherein number of the data lines is 2M,

wherein number of main pixels connected with each of the data lines is N, and

wherein number of sub-pixels connected with each of the data lines is (3/2)N.

2. The display device according to claim 1 ,

wherein a light emitting life of a light emitting material for the third color is shorter than light emitting lives of a light emitting material for the first color and a light emitting material for the second color,

wherein, in each main pixel, the sub-pixel for the third color is disposed to be adjacent to both of the sub-pixel for the first color and the sub-pixel for the second color in the column direction, and

wherein, in each main pixel, the light emitting area of the sub-pixel for the third color is larger than both of the light emitting area of the sub-pixel for the first color and the light emitting area of the sub-pixel for the second color.

3. The display device according to claim 2 , wherein the first color, the second color, and the third color are red, green, and blue, respectively.

4. The display device according to claim 2 ,

wherein, in each main pixel, light emitting material areas for the sub-pixel for the first color, the sub-pixel for the second color, and the sub-pixel for the third color are separate,

wherein, in each pair consisting of two main pixels adjacent to each other in the row direction, light emitting material areas of sub-pixels for the third color are continuous and light emitting areas of sub-pixels for the third color are distant, and

wherein, between pairs of main pixels adjacent to each other in the row direction, light emitting material areas of sub-pixels for the third color are distant.

5. The display device according to claim 4 ,

wherein, in a first main pixel row, each pair of main pixels adjacent to each other consists of a main pixel in an odd-numbered column and a main pixel in the next even-numbered column, and

wherein, in a second main pixel row adjacent to the first main pixel row, each pair of main pixels adjacent to each other consists of a main pixel in an even-numbered column and a main pixel in the next odd-numbered column.

6. The display device according to claim 2 ,

wherein, in each main pixel, a data line is disposed to extend in the column direction between the light emitting area of the sub-pixel for the first color and the light emitting area of the sub-pixel for the second color, and

wherein power lines are disposed to extend in the column direction and alternate with the data lines in the row direction.

7. The display device according to claim 1 , wherein the scanning lines include first type of scanning lines connected with ⅔ of the sub-pixels included in one main pixel row and second type of scanning lines connected with ⅓ of the sub-pixels included in each of two main pixel rows adjacent to each other.

8. The display device according to claim 1 ,

wherein the first color, the second color, and the third color are red, blue, and green, respectively, and

wherein, in each main pixel, the sub-pixel for the second color is disposed to be adjacent to the sub-pixel for the first color and the sub-pixel for the third color in the row direction.