Display substrate and display device applying the same

1. A display substrate, comprising:

a base plate; and

a display structure disposed on the base plate and comprising:

a first region, wherein the first region comprises:

a first sub-pixel;

a second sub-pixel; and

two third sub-pixels;

wherein the first sub-pixel and the second sub-pixel are disposed between the two third sub-pixels, and wherein the first sub-pixel and the second sub-pixel respectively correspond to two different colors, the two third sub-pixels correspond to the same color;

wherein one of the two third sub-pixels has a first light emitting region, the first light emitting region has a first end point and a second end point, and a first length is a distance between the first end point and the second end point, and the first length is a longest length of the first light emitting region;

wherein the other one of the two third sub-pixels has a second light emitting region, and the second light emitting region has a third end point and a fourth end point, a second length is a distance between the third end point and the fourth end point, and the second length is a longest length of the second light emitting region;

wherein the first sub-pixel has a third light emitting region and the second sub-pixel has a fourth light emitting region, and

wherein the third light emitting region and the fourth light emitting region are inside a quadrilateral region enclosed by the first end point, the second end point, the third end point and the fourth end point.

2. The display substrate according to claim 1 , further comprising a fourth sub-pixel, wherein the fourth sub-pixel has a fifth light emitting region, the fifth light emitting region is disposed between the first light emitting region and the second light emitting region, and the fifth light emitting region is inside the quadrilateral region.

3. The display substrate according to claim 1 , wherein the display structure further comprises:

a first electrode layer disposed on the base plate;

a pixel definition layer located on the first electrode layer and having an opening portion;

a second electrode layer located on the pixel definition layer; and

an emission layer interposed between the first electrode layer and the second electrode layer;

wherein an area of the emission layer is larger than the opening portion, and an area of the first electrode layer is larger than the opening portion.

4. The display substrate according to claim 1 , wherein a ratio of the third light emitting region or the fourth light emitting region to the first light emitting region is about 1:2-1:10.

5. The display substrate according to claim 1 , wherein the third light emitting region and the fourth light emitting region are entirely inside the quadrilateral region.

6. The display substrate according to claim 1 , wherein a light emitted by the first sub-pixel is a green light, a light emitted by the second sub-pixel is a red light and lights emitted by the two third sub-pixels are a blue light.

7. A display substrate, comprising:

a base plate; and

a display structure disposed on the base plate and comprising:

a first region, wherein the first region comprises:

a first sub-pixel, wherein the first sub-pixel has a first light emitting region;

a second sub-pixel, wherein the second sub-pixel has a second light emitting region; and

two third sub-pixels, wherein one of the two third sub-pixels has a third light emitting region and the other one of the two third sub-pixels has a fourth light emitting region;

wherein the first light emitting region and the second light emitting region are disposed between the third light emitting region and the fourth light emitting region, and wherein the first light emitting region and the second light emitting region respectively correspond to two different colors, the third light emitting region and the fourth light emitting region correspond to the same color;

wherein the third light emitting region has a first end point and a second end point, and a first length is a distance between the first end point and the second end point, and the first length is a longest length of the third light emitting region;

wherein the fourth light emitting region has a third end point and a fourth end point, a second length is a distance between the third end point and the fourth end point, and the second length is a longest length of the fourth light emitting region; and

wherein the first light emitting region and the second light emitting region are inside a quadrilateral region enclosed by the first end point, the second end point, the third end point and the fourth end point.

8. The display substrate according to claim 7 , further comprising a fourth sub-pixel, wherein the fourth sub-pixel has a fifth light emitting region, the fifth light emitting region is disposed between the third light emitting region and the fourth light emitting region, and the fifth light emitting region is inside the quadrilateral region.

9. The display substrate according to claim 7 , wherein the display structure further comprises:

a first electrode layer disposed on the base plate;

a pixel definition layer located on the first electrode layer and having an opening portion;

a second electrode layer located on the pixel definition layer; and

an emission layer interposed between the first electrode layer and the second electrode layer;

wherein an area of the emission layer is larger than the opening portion, and an area of the first electrode layer is larger than the opening portion.

10. The display substrate according to claim 7 , wherein a ratio of the first light emitting region or the second light emitting region to the third light emitting region is about 1:2-1:10.

11. The display substrate according to claim 7 , wherein the first light emitting region and the second light emitting region are entirely inside the quadrilateral region.

12. The display substrate according to claim 7 , wherein a light emitted by the first sub-pixel is a green light, a light emitted by the second sub-pixel is a red light and lights emitted by the two third sub-pixels are a blue light.

13. A display device, comprising:

a cover substrate; and

a display substrate assembled to the cover substrate, wherein the display substrate comprises:

a base plate; and

a display structure disposed on the base plate and comprising:

a first region, wherein the first region comprises:

a first sub-pixel, wherein the first sub-pixel has a first light emitting region;

a second sub-pixel, wherein the second sub-pixel has a second light emitting region; and

two third sub-pixels, wherein one of the two third sub-pixels has a third light emitting region and the other one of the two third sub-pixels has a fourth light emitting region;

wherein the first light emitting region and the second light emitting region are disposed between the third light emitting region and the fourth light emitting region, and wherein the first light emitting region and the second light emitting region respectively correspond to two different colors, the third light emitting region and the fourth light emitting region correspond to the same color;

wherein the third light emitting region has a first end point and a second end point, and a first length is a distance between the first end point and the second end point, and the first length is a longest length of the third light emitting region;

wherein the fourth light emitting region has a third end point and a fourth end point, a second length is a distance between the third end point and the fourth end point, and the second length is a longest length of the fourth light emitting region; and

wherein the first light emitting region and the second light emitting region are inside a quadrilateral region enclosed by the first end point, the second end point, the third end point and the fourth end point.

14. The display substrate according to claim 13 , further comprising a fourth sub-pixel, wherein the fourth sub-pixel has a fifth light emitting region, the fifth light emitting region is disposed between the third light emitting region and the fourth light emitting region, and the fifth light emitting region is inside the quadrilateral region.

15. The display substrate according to claim 13 , wherein the display structure further comprises:

a first electrode layer disposed on the base plate;

a pixel definition layer located on the first electrode layer and having an opening portion;

a second electrode layer located on the pixel definition layer; and

an emission layer interposed between the first electrode layer and the second electrode layer;

wherein an area of the emission layer is larger than the opening portion, and an area of the first electrode layer is larger than the opening portion.

16. The display substrate according to claim 13 , wherein the first light emitting region and the second light emitting region are entirely inside the quadrilateral region.

17. The display substrate according to claim 13 , wherein a light emitted by the first sub-pixel is a green light, a light emitted by the second sub-pixel is a red light and lights emitted by the two third sub-pixel are a blue light.