Display device

1. A display device comprising:

a substrate;

a plurality of pixels on the substrate;

a first electrode on the substrate;

a partitioning wall on the first electrode, the partitioning wall comprising a first opening that overlaps the first electrode and a pixel of the plurality of pixels;

a touch detection electrode on the partitioning wall;

a low refractive layer on the partitioning wall and the touch detection electrode, the low refractive layer comprising a second opening that overlaps the first opening and the pixel; and

a high refractive layer on the low refractive layer,

wherein planar shapes of the first opening and the second opening are polygons comprising a plurality of sides,

wherein a shortest distance between one side of the plurality of sides of the first opening and the second opening is different than a distance from another side of the plurality of sides of the first opening and the second opening in a plan view, and

wherein the shortest distance between the one side of the first opening and the second opening is less than a predetermined value at which light emission efficiency of the pixel is a maximum, and the distance between the another side of the first opening and the second opening is greater than the predetermined value at which the light emission efficiency of the pixel is the maximum.

2. The display device of claim 1 ,

wherein the plurality of pixels comprises first color pixels, second color pixels, and third color pixels, and

wherein the first electrode, the first opening, and the second opening are located at each of the plurality of pixels.

3. The display device of claim 2 , wherein the first opening is smaller in size than the second opening in the plan view, and wherein the first opening is in the second opening in the plan view.

4. The display device of claim 2 , wherein corners of the first opening and the second opening are chamfered with a curved line.

5. The display device of claim 2 , wherein a planar shape of the first opening is a quadrangle including a first side, a second side adjacent to the first side in a clockwise direction, a third side adjacent to the second side in the clockwise direction, and a fourth side adjacent to the third side in the clockwise direction.

6. The display device of claim 5 , wherein the planar shape of the first opening at at least one and fewer than all of the plurality of pixels is a square,

wherein a first separation distance between the first side of the first opening and the second opening is different than a second separation distance between the second side of the first opening and the second opening,

wherein the first separation distance is the same as a third separation distance between the third side of the first opening and the second opening, and

wherein the second separation distance is the same as a fourth separation distance between the fourth side of the first opening and the second opening.

7. The display device of claim 6 , wherein the planar shape of the first opening at another pixel among the plurality of pixel is a rectangle,

wherein the first separation distance is the same as the second separation distance,

wherein the first separation distance is different than the third separation distance, and

wherein the third separation distance is the same as the fourth separation distance.

8. The display device of claim 7 , wherein the planar shape of the first openings at a first color pixel and a third color pixel is a square,

a planar shape of the first opening at a second color pixel is a rectangle, and

wherein the first color pixel is a red pixel, the second color pixel is a green pixel, and the third color pixel is a blue pixel.

9. The display device of claim 7 , wherein the first separation distance at a first color pixel is the same as at least one of the first separation distance, the second separation distance, the third separation distance, and the fourth separation distance at a second color pixel, and

the first separation distance at the first color pixel is the same as at least one of the first separation distance, the second separation distance, the third separation distance, and the fourth separation distance at the third color pixel.

10. The display device of claim 7 , wherein at least one and fewer than all of the first separation distance, the second separation distance, the third separation distance, and the fourth separation distance is about 1.4 μm or more and less than about 2.3 μm, and

another among the first separation distance, the second separation distance, the third separation distance, and the fourth separation distance is about 0.3 μm or more and less than about 1.2 μm.

11. The display device of claim 7 , wherein, in a pixel at which a planar shape of the first opening is a square, a difference between the first separation distance and the second separation distance is about 0.2 μm or more and less than about 2.0 μm, and

in a pixel at which a planar shape of the first opening is a rectangle, a difference between the first separation distance and the third separation distance is about 0.2 μm or more and less than about 2.0 μm.

12. The display device of claim 7 , wherein, in pixels of the plurality of pixels at which planar shapes of the first openings are squares, the first separation distance is larger than the second separation distance, and

in other pixels of the plurality of pixels, the first separation distance is smaller than the second separation distance.

13. The display device of claim 12 , wherein a number of pixels of the plurality of pixels at which the first separation distance is larger than the second separation distance is the same as a number of pixels of the plurality of pixels at which the first separation distance is smaller than the second separation distance.

14. The display device of claim 7 , wherein, in pixels of the plurality of pixels at which the planar shapes of the first openings are rectangles, the first separation distance is larger than the third separation distance, and

in other pixels of the plurality of pixels, the first separation distance is smaller than the third separation distance.

15. The display device of claim 14 , wherein a number of pixels of the plurality of pixels at which the first separation distance is larger than the third separation distance is the same as a number of pixels of the plurality of pixels at which the first separation distance is smaller than the third separation distance.

16. The display device of claim 7 , wherein the first separation distance at a first color pixel is different than the first separation distance, the second separation distance, the third separation distance, and the fourth separation distance at a second color pixel.

17. The display device of claim 16 , wherein the first separation distance at the first color pixel is different than the first separation distance, the second separation distance, the third separation distance, and the fourth separation distance at a third color pixel.

18. The display device of claim 2 , wherein a planar shape of the first opening is an octagon including a first side, a second side adjacent to the first side in a clockwise direction, a third side adjacent to the second side in the clockwise direction, a fourth side adjacent to the third side in the clockwise direction, a fifth side adjacent to the fourth side in the clockwise direction, a sixth side adjacent to the fifth side in the clockwise direction, a seventh side adjacent to the sixth side in the clockwise direction, and an eighth side adjacent to the seventh side in the clockwise direction.

19. A display device comprising:

a substrate;

a plurality of pixels on the substrate;

a first electrode on the substrate;

a partitioning wall on the first electrode, the partitioning wall comprising a first opening that overlaps the first electrode;

a touch detection electrode on the partitioning wall;

a low refractive layer on the partitioning wall and the touch detection electrode, the low refractive layer comprising a second opening that overlaps the first opening; and

a high refractive layer on the low refractive layer,

wherein planar shapes of the first opening and the second opening are polygons comprising a plurality of sides,

wherein a shortest distance between one side of the plurality of sides of the first opening and the second opening is different than a distance from another side of the plurality of sides of the first opening and the second opening in a plan view,

wherein the plurality of pixels comprises first color pixels, second color pixels, and third color pixels,

wherein the first electrode, the first opening, and the second opening are located at each of the plurality of pixels,

wherein a planar shape of the first opening is an octagon including a first side, a second side adjacent to the first side in a clockwise direction, a third side adjacent to the second side in the clockwise direction, a fourth side adjacent to the third side in the clockwise direction, a fifth side adjacent to the fourth side in the clockwise direction, a sixth side adjacent to the fifth side in the clockwise direction, a seventh side adjacent to the sixth side in the clockwise direction, and an eighth side adjacent to the seventh side in the clockwise direction, and

wherein a first separation distance between the first side of the first opening and the second opening is the same as a second separation distance between the second side of the first opening and the second opening,

the first separation distance is the same as a third separation distance between the third side of the first opening and the second opening,

the first separation distance is the same as a fourth separation distance between the fourth side of the first opening and the second opening,

a fifth separation distance between the fifth side of the first opening and the second opening is the same as a sixth separation distance between the sixth side of the first opening and the second opening,

the fifth separation distance is the same as a seventh separation distance between the seventh side of the first opening and the second opening,

the fifth separation distance is the same as an eighth separation distance between the eighth side of the first opening and the second opening, and

the first separation distance is different than the fifth separation distance.

20. The display device of claim 19 , wherein corners of the first opening and the second opening are chamfered with a curved line.