Display panel having photorefractive portion and electronic device including the same

1. A display panel comprising:

a substrate comprising a first display area and a second display area surrounded by the first display area;

an insulating layer including an organic insulating material;

a plurality of first light-emitting elements in the first display area;

a plurality of second light-emitting elements in the second display area, the plurality of second light-emitting elements comprising light-emitting elements that are spaced apart from one another to define transmission areas; and

a photorefractive portion in each of the transmission areas,

wherein the photorefractive portion comprises:

a first surface facing the substrate; and

a second surface opposite the first surface,

wherein a distance between the substrate and a central portion of the second surface is greater than a distance between the substrate and an edge of the second surface,

wherein the photorefractive portion is spaced apart from each of the light-emitting elements of the plurality of second light-emitting elements, and

wherein the distance between the substrate and the central portion of the second surface is less than a distance between the substrate and a pixel electrode of an adjacent light-emitting element from among the plurality of second light-emitting elements.

2. The display panel of claim 1 , further comprising a light-blocking layer corresponding to the plurality of second light-emitting elements and wirings electrically connected to the plurality of second light-emitting elements respectively.

3. The display panel of claim 2 , wherein the light-blocking layer is on the substrate and under the plurality of second light-emitting elements and the wirings.

4. The display panel of claim 2 , wherein the light-blocking layer comprises metal or a black pigment or dyes.

5. The display panel of claim 1 , wherein the photorefractive portion in each of the transmission areas comprises a plurality of portions.

6. The display panel of claim 1 , wherein the second surface comprises a curved surface.

7. The display panel of claim 6 , wherein, in the second surface of the photorefractive portion, the central portion includes a flat surface and the edge includes the curved surface.

8. The display panel of claim 1 , wherein the photorefractive portion has a refractive index in a range of 1.4 to 1.7.

9. The display panel of claim 1 , wherein the photorefractive portion includes an organic insulating material.

10. The display panel of claim 9 , wherein the photorefractive portion includes a material same as a material of the insulating layer.

11. The display panel of claim 1 , wherein each of the plurality of first light-emitting elements and the plurality of second light-emitting elements comprises:

a pixel electrode;

a pixel defining layer comprising an opening overlapping the pixel electrode;

an emission layer on the pixel electrode; and

an opposite electrode on the emission layer,

wherein the photorefractive portion includes a same material as the pixel defining layer.

12. The display panel of claim 1 , further comprising an encapsulation layer covering the plurality of first light-emitting elements and the plurality of second light-emitting elements, the encapsulation layer comprising at least one inorganic encapsulation layer and at least one organic encapsulation layer.

13. A display panel comprising:

a substrate comprising a first display area and a second display area surrounded by the first display area;

an insulating layer including an organic insulating material;

a plurality of first light-emitting elements in the first display area;

a plurality of second light-emitting elements in the second display area, the plurality of second light-emitting elements comprising light-emitting elements that are spaced apart from one another to define transmission areas;

a photorefractive portion in each of the transmission areas; and

an encapsulation substrate covering the plurality of first light-emitting elements and the plurality of second light-emitting elements,

wherein the photorefractive portion comprises:

a first surface facing the substrate; and

a second surface opposite the first surface,

wherein a distance between the substrate and a central portion of the second surface is greater than a distance between the substrate and an edge of the second surface,

wherein the photorefractive portion is spaced apart from each of the light-emitting elements of the plurality of second light-emitting elements, and

wherein an air layer is between the photorefractive portion and the encapsulation substrate.

14. An electronic device comprising:

a display panel comprising a first display area and a second display area surrounded by the first display area; and

an electronic component corresponding to the second display area of the display panel,

wherein the display panel comprises:

a substrate;

an insulating layer including an organic insulating material;

a plurality of first light-emitting elements in the first display area;

a plurality of second light-emitting elements in the second display area, the plurality of second light-emitting elements comprising light-emitting elements that are spaced apart from one another to define transmission areas; and

a photorefractive portion in each of the transmission areas, wherein the photorefractive portion comprises:

a first surface facing the substrate; and

a second surface opposite the first surface,

wherein a distance between the substrate and a central portion of the second surface is greater than a distance between the substrate and an edge of the second surface,

wherein the photorefractive portion is spaced apart from each pixel electrode of the light-emitting elements of the plurality of second light-emitting elements, and

wherein the distance between the substrate and the central portion of the second surface is less than a distance between the substrate and the pixel electrode of an adjacent light-emitting element from among the plurality of second light-emitting elements.

15. The electronic device of claim 14 , further comprising a light-blocking layer between the substrate and wirings, the light-blocking layer corresponding to the plurality of second light-emitting elements and the wirings that are electrically connected to the plurality of second light-emitting elements respectively.

16. The electronic device of claim 14 , wherein each of the plurality of first light-emitting elements and the plurality of second light-emitting elements comprises a pixel defining layer for defining an emission area, and

wherein the photorefractive portion includes a same material as the insulating layer or the pixel defining layer.

17. The electronic device of claim 14 , wherein the second surface of the photorefractive portion comprises a convex surface.

18. The electronic device of claim 14 , further comprising an encapsulation substrate covering the plurality of first light-emitting elements and the plurality of second light-emitting elements,

wherein an air layer is between the photorefractive portion and the encapsulation substrate, and

a refractive index of the photorefractive portion is greater than a refractive index of the substrate and a refractive index of the air layer.

19. The electronic device of claim 14 , further comprising an encapsulation layer covering the plurality of first light-emitting elements and the plurality of second light-emitting elements, the encapsulation layer comprising at least one inorganic encapsulation layer and at least one organic encapsulation layer,

wherein a refractive index of the photorefractive portion is greater than a refractive index of the substrate and a refractive index of the encapsulation layer.

20. The electronic device of claim 14 , wherein the electronic component comprises an imaging device or a sensor.