Display device and manufacturing method thereof

1 . A display device comprising:

a display layer on a substrate, the display layer comprising a light emitting element;

a reflective structure on the display layer;

a resin part on the display layer;

a cover part on the resin part; and

a driving circuit board, at least a portion of the driving circuit board being on a side of the display layer,

wherein the reflective structure comprises a reflective surface facing the at least the portion of the driving circuit board.

2 . The display device of claim 1 , further comprising an overcoat layer on the display layer,

wherein, in a plan view, the reflective structure overlaps the overcoat layer, the resin part, and the cover part, and

wherein, in a plan view, the reflective structure does not overlap with the portion of the driving circuit board on the display layer.

3 . The display device of claim 2 , wherein the driving circuit board comprises a chip on film having an end connected to the display layer, and a flexible circuit board connected to another end of the chip on film, the flexible circuit board being on a back surface of the display layer,

wherein a portion of the chip on film on the display layer is spaced from the display layer to form a step difference area, and

wherein a portion of the resin part is in the step difference area.

4 . The display device of claim 1 , wherein the display device includes a display area and a non-display area,

wherein the non-display area includes a fan-out area,

wherein the fan-out area is between the display area and the driving circuit board, and

wherein the reflective structure overlaps the fan-out area in a plan view.

5 . The display device of claim 1 , wherein the cover part comprises a chassis.

6 . The display device of claim 1 , wherein the cover part comprises an outer layer, and

wherein the outer layer comprises:

a first outer layer comprising a polymer material;

a second outer layer comprising a light blocking material, the second outer layer being on the first outer layer; and

a third outer layer comprising an inorganic material, the third outer layer being on the second outer layer.

7 . The display device of claim 1 , wherein the reflective structure comprises:

an insulating pattern above the substrate, the insulating pattern protruding in a thickness direction of the substrate; and

a reflective electrode on the insulating pattern.

8 . The display device of claim 7 , wherein the reflective structure comprises a first reflective structure and a second reflective structure adjacent to the first reflective structure, and

wherein the reflective electrode of the first reflective structure and the reflective electrode of the second reflective structure are connected to each other.

9 . The display device of claim 7 , wherein the reflective structure comprises a first transparent electrode layer on the reflective electrode and a second transparent electrode layer on the first transparent electrode layer.

10 . The display device of claim 7 , wherein an outer surface of the insulating pattern has a curved shape, and

wherein the reflective electrode has a shape corresponding to the outer surface of the insulating pattern.

11 . The display device of claim 7 , wherein an outer surface of the insulating pattern has a polygonal shape, and

wherein the reflective electrode has a shape corresponding to the outer surface of the insulating pattern.

12 . The display device of claim 7 , wherein the display layer comprises:

a pixel circuit layer comprising an auxiliary electrode layer, a gate electrode, and a transistor electrode on the substrate; and

a display element layer on the pixel circuit layer, the display element layer comprising the light emitting element,

wherein the reflective structure comprises a lower reflective structure on the substrate, and

wherein the lower reflective structure comprises a first reflective layer comprising a same material as the auxiliary electrode layer, a second reflective layer comprising a same material as the gate electrode, and a third reflective layer comprising a same material as the transistor electrode.

13 . The display device of claim 7 , wherein the display layer comprises:

a pixel circuit layer on the substrate, the pixel circuit layer comprising a pixel circuit; and

a display element layer on the pixel circuit layer, the display element layer comprising alignment electrodes and the light emitting element,

wherein the light emitting element is aligned between the alignment electrodes, and

wherein the alignment electrodes and the reflective electrode include a same material.

14 . The display device of claim 1 , wherein the reflective structure comprises a cushion layer protruding in a thickness direction of the substrate and a reflective film over the cushion layer, the cushion layer having an elastic property.

15 . The display device of claim 14 , further comprising an overcoat layer on the display layer,

wherein the reflective structure further comprises an insulating film on the reflective film and an adhesive film on the insulating film,

wherein the adhesive film enables UV light to be transmitted therethrough, and

wherein the adhesive film is in contact with the overcoat layer.

16 . The display device of claim 15 , further comprising:

a reflective layer on the cover part; and

an adhesive layer on the reflective layer.

17 . The display device of claim 14 , wherein the cushion layer has a polygonal shape.

18 . The display device of claim 1 , wherein the reflective structure comprises a reflective film protruding in a thickness direction of the substrate.

19 . The display device of claim 1 , wherein the reflective structure comprises an ink structure protruding in a thickness direction of the substrate, the ink structure comprising silver.

20 . The display device of claim 1 , further comprising:

an overcoat layer on the display layer; and

an adhesive member on the overcoat layer,

wherein the adhesive member contacts the reflective structure.

21 . An electronic device comprising the display device of claim 1 .