DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

Abstract

A display device includes: a display layer on a substrate, the display layer including 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. The reflective structure includes a reflective surface facing the at least the portion of the driving circuit board.

Description

Claims

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; anda 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, andwherein, 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, andwherein 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,wherein lines in the fan-out area electrically connect the driving circuit board and lines in the display area to each other, andwherein 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; anda 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 on the substrate, the insulating pattern protruding in a thickness direction of the substrate; anda 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 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; anda 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, andwherein 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; anda 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, andwherein 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, andwherein the adhesive film is in contact with the overcoat layer.

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

17. The display device of claim 15, further comprising: a reflective layer on the cover part; andan adhesive layer on the reflective layer.

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; andan adhesive member on the overcoat layer,wherein the adhesive member contacts the reflective structure.

21. A method of manufacturing a display device, the method comprising: providing a display layer comprising a light emitting element on a substrate;disposing at least a portion of a driving circuit board on the display layer;providing a reflective structure;disposing a cover part on a carrier member;moving the carrier member to be adjacent to the display layer;providing a resin part; andcuring the resin part,wherein the reflective structure comprises a reflective surface facing a portion of the driving circuit board on the display layer.

22. The method of claim 21, wherein the reflective structure comprises: an insulating pattern on the substrate, the insulating pattern protruding in a thickness direction of the substrate; anda reflective electrode on the insulating pattern.

23. The method of claim 21, wherein the providing of the reflective structure comprises: disposing an insulating pattern on the substrate; anddisposing a reflective electrode on the insulating pattern.

24. The method of claim 21, wherein the providing of the reflective structure comprises disposing the reflective structure on the cover part.

25. The method of claim 24, further comprising disposing an overcoat layer on the display layer, wherein the moving of the carrier member to be adjacent to the display layer comprises contacting the reflective structure and the overcoat layer with each other.

26. The method of claim 25, further comprising disposing an outer film layer on the overcoat layer, wherein the moving of the carrier member to be adjacent to the display layer comprises forming a cavity between the reflective structure and the outer film layer, andwherein the reflective structure separates the cavity and an adjacent area of the reflective structure, in which the cavity is not located, from each other.

27. The method of claim 25, wherein the providing of the resin part comprises providing the resin part to a space between the display layer and the cover part.

28. The method of claim 25, wherein the providing of the resin part comprises disposing the resin part on the cover part, and wherein the disposing of the resin part on the cover part is performed earlier than the moving of the carrier member to be adjacent to the display layer.

29. The method of claim 21, wherein the curing of the resin part comprises emitting, by a resin curing device, UV light to the resin part, and wherein the UV light is provided toward the reflective structure from the driving circuit board.

30. A display device manufactured according to the method of claim 21.

31. A display device including a display area and a non-display area, the display device comprising: a pixel in the display area;a driving circuit board electrically connected to the pixel;a fan-out line electrically connecting the driving circuit board and the pixel to each other;a reflective structure on a substrate;a resin part on the substrate, the resin part overlapping with the reflective structure in a plan view; anda cover part on the resin part,wherein the fan-out line overlaps the non-display area and is in a fan-out area at one side of the display area,wherein the fan-out area has a shape widened along one direction, andwherein the reflective structure overlaps the fan-out area in a plan view, and comprises a reflective surface facing a portion of the driving circuit board on a display layer.