Electric panel and electronic device including the same
View Patent ↗Provided is an electronic device including: a display panel having a front surface and a rear surface that faces the front surface and including a plurality of light emitting areas each of which is disposed on the front surface and displays light, a light sensing module disposed on the rear surface and including a light detection element, and a lattice filter disposed between the display panel and the light sensing module, and including a plurality of light transmission parts arranged on the rear surface while being spaced apart from each other.
1. An electronic device comprising:
a display panel having a front surface and a rear surface opposing the front surface, and comprising a plurality of light emitting areas each of which is disposed to emit light toward the front surface;
a protection layer directly contacting the rear surface, the protection layer containing an organic material;
a light sensing module disposed on the protection layer and comprising a light detection element; and
a lattice filter disposed between the protection layer and the light sensing module, and comprising a plurality of light transmission parts spaced apart from one another on the rear surface, the light transmission part allowing light from the display panel to pass and reach the light sensing module,
wherein the protection layer has a rear surface comprising a plurality of uneven portions when viewed in cross section, and the lattice filter is disposed along the uneven portions.
2. The electronic device of claim 1 , wherein light incident on the light sensing module is incident through the light transmission parts.
3. The electronic device of claim 2 , wherein the light incident on the light sensing module has an optical path controlled in a direction parallel to a thickness direction of the display panel.
4. The electronic device of claim 1 , wherein the lattice filter has a light blocking material.
5. The electronic device of claim 1 , wherein the lattice filter has silver (Ag).
6. The electronic device of claim 1 , wherein the display panel has a fingerprint detection area which overlaps at least a portion of the light emitting areas and which detects a fingerprint of a user, and
the light transmission parts of the lattice filter overlap the fingerprint detection area on a plane.
7. The electronic device of claim 6 , wherein the lattice filter covers the entire rear surface of the display panel, and
the light transmission parts are defined in a portion of the lattice filter.
8. The electronic device of claim 6 , wherein the lattice filter covers the entire rear surface of the display panel, and
the light transmission parts are defined over an entirety of the lattice filter.
9. The electronic device of claim 6 , wherein the lattice filter has a rear surface that faces the light sensing module and has a plurality of uneven portions.
10. The electronic device of claim 1 , wherein the lattice filter comprises:
an adhesive part that has an adhesive material; and
a lattice part that contacts the adhesive part and comprises the light transmission parts defined therein.
11. The electronic device of claim 10 , wherein the adhesive part contacts both the display panel and the light sensing module, and couples the display panel and the light sensing module.
12. The electronic device of claim 11 , wherein the lattice part is disposed between the adhesive part and the light sensing module, and
portions of the adhesive part contact the light sensing module through the light transmission parts.
13. The electronic device of claim 1 , wherein the display member comprises:
an array part comprising a plurality of thin film elements; and
a plurality of organic light emitting elements electrically connected to the array part and disposed in the respective light emitting areas.
14. The electronic device of claim 13 , further comprising an input sensing part that is disposed on the display panel and detects a touch applied from the outside.
15. The electronic device of claim 1 , wherein the light detection element comprises a first electrode, a second electrode facing the first electrode, and a light detection layer that is disposed between the first electrode and the second electrode and has a light reactive semiconductor material.
16. An electronic panel comprising:
a display panel having a front surface having a display area that displays an image and a peripheral area that is adjacent to the display area, and a rear surface opposing to the front surface, the display panel comprising a plurality of organic light emitting elements disposed in the display area;
a protection layer directly contacting the rear surface, the protection layer containing an organic material and having an uneven surface; and
a lattice filter disposed on the uneven surface of the protection layer and comprising a plurality of through-parts arranged on the protection layer and spaced apart from each other in a matrix form,
wherein the through-parts overlap at least a portion of the display area in a plan view.
17. The electronic panel of claim 16 , wherein at least a portion of light emitted from the organic light emitting elements passes through the rear surface of the display panel and propagates through the through-parts.
18. The electronic panel of claim 16 , wherein the lattice filter covers an entirety of the rear surface of the display panel.
19. The electronic panel of claim 18 , wherein the lattice filter has an organic material.
20. The electronic panel of claim 18 , wherein a rear surface of the lattice filter is an uneven surface.
21. The electronic panel of claim 16 , wherein the rear surface of the display panel is an uneven surface having a plurality of uneven portions, and the lattice filter is disposed along the uneven portions.