Display panel and display apparatus including the same

1. A display panel comprising:

a substrate comprising a first region and a second region, the second region comprising a transmission portion;

main pixels located in the first region, comprising a first main pixel, a second main pixel, and a third main pixel, and arranged in a RGBG pentile matrix structure;

auxiliary pixels located in the second region, comprising a first auxiliary pixel, a second auxiliary pixel, and a third auxiliary pixel, and arranged in a RBGB pentile matrix structure different from the RGBG pentile matrix structure of the main pixels, a number of the auxiliary pixels located per unit area in the second region being less than a number of the main pixels located per unit area in the first region; and

a lower electrode layer located between the substrate and an auxiliary thin-film transistor, wherein the lower electrode layer, in a plan view, is overlapping with an auxiliary emission area of an auxiliary pixel of the auxiliary pixels and is outside the transmission portion,

wherein the first auxiliary pixel comprises a first auxiliary emission area and an auxiliary opposite electrode, and the first main pixel, which emits light having a same wavelength as the first auxiliary pixel, comprises a first main emission area,

wherein the first auxiliary emission area has a first area, and the first main emission area has a second area smaller than the first area,

wherein the auxiliary opposite electrode comprises a first opening corresponding to the transmission portion,

wherein the display panel further comprises a thin-film encapsulation layer located on the auxiliary opposite electrode, and the thin-film encapsulation layer overlaps the first opening,

wherein the display panel further comprises an inorganic insulating layer located on the substrate, and the inorganic insulating layer comprises a second opening corresponding to the transmission portion, and

wherein the second opening exposes at least a portion of the substrate.

2. The display panel of claim 1 , wherein the first area is 1.4 to 1.8 times that of the second area.

3. The display panel of claim 1 , wherein the second auxiliary pixel comprises a second auxiliary emission area, and the second main pixel, which emits light having a same wavelength as the second auxiliary pixel, comprises a second main emission area, and

the second auxiliary emission area has a third area, and the second main emission area has a fourth area smaller than the third area.

4. The display panel of claim 3 , wherein the third area is 1.4 to 1.8 times that of the fourth area.

5. The display panel of claim 3 , wherein the third auxiliary pixel comprises a third auxiliary emission area, and the third main pixel, which emits light having a same wavelength as the third auxiliary pixel, comprises a third main emission area, and

the third auxiliary emission area has a fifth area, and the third main emission area has a sixth area smaller than the fifth area.

6. The display panel of claim 5 , wherein the fifth area is 1.4 to 1.8 times that of the sixth area.

7. The display panel of claim 5 , wherein the first auxiliary pixel and the first main pixel emit light having a blue wavelength, the second auxiliary pixel and the second main pixel emit light having a red wavelength, and the third auxiliary pixel and the third main pixel emit light having a green wavelength.

8. The display panel of claim 7 , wherein the RGBG pentile matrix structure comprises one first main pixel, one second main pixel, and two third main pixels.

9. The display panel of claim 7 , wherein the RBGB pentile matrix structure comprises two first auxiliary pixels, one second auxiliary pixel, and one third auxiliary pixel.

10. The display panel of claim 1 , wherein a basic unit comprising the auxiliary pixels and the transmission portion are repeatedly arranged in the second region.

11. The display panel of claim 1 , further comprising an organic insulating layer located on the substrate,

wherein the organic insulating layer comprises an opening corresponding to the transmission portion.

12. The display panel of claim 1 , wherein at least a part of the second region is surrounded by the first region.

13. A display apparatus comprising:

a display panel comprising a substrate comprising a first region and a second region, the second region comprising a transmission portion; and

a component located to correspond to the second region of the display panel,

wherein the display panel comprises:

main pixels located in the first region, comprising a first main pixel, a second main pixel, and a third main pixel, and arranged in a RGBG pentile matrix structure;

auxiliary pixels located in the second region, comprising a first auxiliary pixel, a second auxiliary pixel, and a third auxiliary pixel, and arranged in a RBGB pentile matrix structure different from the RGBG pentile matrix structure of the main pixels, a number of the auxiliary pixels located per unit area in the second region being less than a number of the main pixels located per unit area in the first region; and

a lower electrode layer located between the substrate and an auxiliary thin-film transistor, wherein the lower electrode layer, in a plan view, is overlapping with an auxiliary emission area of an auxiliary pixel of the auxiliary pixels and is outside the transmission portion,

wherein the first auxiliary pixel comprises a first auxiliary emission area and an auxiliary opposite electrode, and the first main pixel, which emits light having a same wavelength as the first auxiliary pixel, comprises a first main emission area,

wherein the first auxiliary emission area has a first area, and the first main emission area has a second area equal to or smaller than the first area,

wherein the auxiliary opposite electrode comprises a first opening corresponding to the transmission portion,

wherein the display panel further comprises a thin-film encapsulation layer located on the auxiliary opposite electrode, and the thin-film encapsulation layer overlaps the first opening,

wherein the display panel further comprises an inorganic insulating layer located on the substrate, and the inorganic insulating layer comprises a second opening corresponding to the transmission portion, and

wherein the second opening exposes at least a portion of the substrate.

14. The display apparatus of claim 13 , wherein the first area is 1 to 1.8 times that of the second area.

15. The display apparatus of claim 13 , wherein the first auxiliary pixel and the first main pixel emit light having a blue wavelength, the second auxiliary pixel and the second main pixel emit light having a red wavelength, and the third auxiliary pixel and the third main pixel emit light having a green wavelength.

16. The display apparatus of claim 15 , wherein the RGBG pentile matrix structure comprises one first main pixel, one second main pixel, and two third main pixels.

17. The display apparatus of claim 15 , wherein the RBGB pentile matrix structure comprises two first auxiliary pixels, one second auxiliary pixel, and one third auxiliary pixel.

18. The display apparatus of claim 13 , wherein the component comprises an imaging device.