Legal claims defining the scope of protection, as filed with the USPTO.
1. A display device comprising: a substrate which comprises a plurality of pixels, each of the plurality of pixels comprises an emission portion and a non-emission portion; a first electrode which is disposed on the emission portion; a pixel definition layer which is disposed on an edge of the first electrode and the non-emission portion; a common organic layer which is disposed on the first electrode and the pixel definition layer; an organic light-emitting layer which is disposed on the common organic layer and overlaps the emission portion; and a second electrode which is disposed on the common organic layer and the organic light-emitting layer, wherein the pixel definition layer comprises a plurality of pits between adjacent pixels, wherein the plurality of pits are recessed from an upper surface of the pixel definition layer toward the substrate, wherein the common organic layer and the second electrode are separated by the plurality of pits, wherein the second electrode includes a first portion overlapping the plurality of pits and a second portion which does not overlap the plurality of pits, and wherein the first portion of the second electrode and the second portion of the second electrode are spaced apart from each other.
2. The display device of claim 1, wherein the common organic layer comprises a hole injection layer and a hole transporting layer.
3. The display device of claim 1, wherein each of the plurality of pits has a flat surface parallel to a top surface of the substrate and a side surface substantially perpendicular to the top surface of the substrate.
4. The display device of claim 1, wherein the pixel has a diamond shape in which a first subpixel and a second subpixel are alternately disposed in an Y-axis direction and two third subpixels are disposed in an X-axis direction perpendicular to the Y-axis direction between the first subpixel and the second subpixel.
5. The display device of claim 4, wherein the first, second, and third subpixels have different sizes.
6. The display device of claim 5, wherein each of the plurality of pits is formed to be spaced a certain distance from each side of the first, second, and third subpixels.
7. The display device of claim 6, wherein a length of each of the plurality of pits is the same as a length of the side of each of the first, second, and third subpixels.
8. The display device of claim 6, wherein each of the plurality of pits is further formed to be spaced apart from each vertex of the first, second, and third subpixels.
9. The display device of claim 1, further comprising a thin film encapsulation layer disposed on the second electrode, wherein a touch sensor layer is disposed on the thin film encapsulation layer.
10. The display device of claim 9, wherein the touch sensor layer comprises sensing electrodes in a touch sensor region, and the sensing electrodes overlap at least a portion of the plurality of pits in a plan view.
11. A display device comprising: a substrate which comprises a plurality of pixels, each of the plurality of pixels comprises an emission portion and a non-emission portion; a first electrode which is disposed on the emission portion; a pixel definition layer which is disposed on an edge of the first electrode and the non-emission portion; a common organic layer which is disposed on the first electrode and the pixel definition layer; an organic light-emitting layer which is disposed on the common organic layer and overlaps the emission portion; and a second electrode which is disposed on the common organic layer and the organic light-emitting layer, wherein the pixel definition layer comprises a plurality of pits between adjacent pixels, wherein the plurality of pits are recessed from an upper surface of the pixel definition layer toward the substrate, wherein the common organic layer and the second electrode are separated by the plurality of pits, wherein each of the plurality of pits has a flat surface parallel to a top surface of the substrate and a side surface perpendicular to the top surface of the substrate, and wherein thicknesses of the common organic layer and the second electrode disposed on the side surface of each of the plurality of pits are less than thicknesses of the common organic layer and the second electrode disposed on a top surface of the pixel definition layer.
12. A display device comprising: a substrate which comprises a plurality of pixels, each of the plurality of pixels comprises an emission portion and a non-emission portion; a first electrode which is disposed on the emission portion; a pixel definition layer which is disposed on an edge of the first electrode and the non-emission portion; a common organic layer which is disposed on the first electrode and the pixel definition layer; an organic light-emitting layer which is disposed on the common organic layer and overlaps the emission portion; a second electrode which is disposed on the common organic layer and the organic light-emitting layer; a thin film encapsulation layer disposed on the second electrode; and a touch sensor layer disposed on the thin film encapsulation layer, wherein the pixel definition layer comprises a plurality of pits between adjacent pixels, wherein the common organic layer and the second electrode are separated by the plurality of pits, wherein the thin film encapsulation layer comprises a first inorganic film, an organic film, and a second inorganic film, and wherein the first inorganic film is in direct contact with disposed on side surfaces of a separated portion of the common organic layer and a separated portion of the second electrode.
13. A display device comprising: a substrate which comprises a plurality of pixels, each of the plurality of pixels comprises an emission portion and a non-emission portion; a first electrode which is disposed on the emission portion; a pixel definition layer which is disposed on an edge of the first electrode and the non-emission portion; a common organic layer which is disposed on the first electrode and the pixel definition layer; an organic light-emitting layer which is disposed on a top surface of the common organic layer and overlaps the emission portion; and a second electrode which is disposed on the common organic layer and the organic light-emitting layer, wherein the pixel definition layer comprises a plurality of spacers between adjacent pixels, each spacer of the plurality of spacers has a top surface parallel to a top surface of the substrate and a side surface substantially perpendicular to the top surface of the substrate with the side surface directly contacting the common organic layer, wherein a portion of the common organic layer and a portion of the second electrode are separated by the plurality of spacers, wherein the second electrode includes a first portion overlapping the plurality of spacers and a second portion which does not overlap the plurality of spacers, and wherein the first portion of the second electrode and the second portion of the second electrode are spaced apart from each other.
14. The display device of claim 13, wherein the common organic layer comprises a hole injection layer and a hole transporting layer.
15. The display device of claim 13, wherein each of the plurality of spacers has a top surface parallel to a top surface of the substrate and a side surface perpendicular to the top surface of the substrate.
16. The display device of claim 13, wherein the pixels have a diamond shape in which a first subpixel and a second subpixel are alternately disposed in an Y-axis direction and two third subpixels are disposed in an X-axis direction perpendicular to the Y-axis direction between the first subpixel and the second subpixel.
17. The display device of claim 16, wherein the first, second, and third subpixels have different sizes.
18. The display device of claim 17, wherein each of the plurality of spacer is formed to be spaced a certain distance from each side of the first, second, and third subpixels.
19. The display device of claim 18, wherein a length of each of the plurality of spacers is substantially the same as a length of the side of the first, second, and third subpixels.
20. A display device comprising: a substrate which comprises a plurality of pixels, each of the plurality of pixels comprises an emission portion and a non-emission portion; a first electrode which is disposed on the emission portion; a pixel definition layer which is disposed on an edge of the first electrode and the non-emission portion; a common organic layer which is disposed on the first electrode and the pixel definition layer; an organic light-emitting layer which is disposed on the common organic layer and overlaps the emission portion; and a second electrode which is disposed on the common organic layer and the organic light-emitting layer, wherein the pixel definition layer comprises a plurality of spacers between adjacent pixels, wherein the common organic layer and the second electrode are separated by the plurality of spacers, wherein each of the plurality of spacers has a top surface parallel to a top surface of the substrate and a side surface perpendicular to the top surface of the substrate, and wherein thicknesses of the common organic layer and the second electrode disposed on the side surface of each of the plurality of spacer are less than those of the common organic layer and the second electrode disposed on a top surface of the pixel definition layer.
21. A display device comprising: a substrate which comprises a first pixel, a second pixel and a third pixel, each of the first pixel, the second pixel and the third pixel comprises an emission portion and anon-emission portion; a first electrode which is disposed on the emission portion; a pixel definition layer which is disposed on an edge of the first electrode and the non-emission portion; a plurality of protrusions disposed on the pixel definition layer; a common organic layer which is disposed on the first electrode, the pixel definition layer and the plurality of protrusions; an organic light-emitting layer which is disposed on the common organic layer and overlaps the emisssion portion; and a second electrode which is disposed on the common organic layer and the organic light-emitting layer, wherein the second pixel is adjacent to the first pixel in a first direction, wherein the third pixel is adjacent to the first pixel in a second direction different from the first direction, wherein the third pixel is adjacent to the second pixel in a third direction different from the first direction and the second direction, wherein a first protrusion of the plurality of protrusions and a second protrusion of the plurality of protrusions are disposed between the first pixel and the second pixel on the first direction in a plan view, wherein a portion of the common organic layer and a portion of the second electrode are separated by the first protrusion and the second protrusion, wherein the second electrode includes a first portion overlapping the first protrusion and the second protrusion and a second portion which does not overlap the first protrusion and the second protrusion, wherein the first portion of the second electrode and the second portion of the second electrode are spaced apart from each other, wherein a space is defined between the first protrusion and the second protrusion, wherein the common organic layer and the second electrode directly contact in the space,wherein the common organic layer does not directly contact the organic light-emitting layer in the space, and wherein the second electrode does not directly contact the organic light-emitting layer in the space.
22. The display device of claim 21, wherein the second protrusion comprises a first surface facing the substrate and a second surface opposite to the first surface of the second protrusion, and wherein a width of the second surface of the second protrusion is larger than a width of the first surface of the second protrusion.
23. The display device of claim 21, wherein the common organic layer comprises a hole injection layer and a hole transporting layer.
24. The display device of claim 21, wherein a size of the first pixel, a size of the second pixel, and a size of the third pixels are different from each other.
25. The display device of claim 21, wherein the first protrusion and the second protrusion are spaced apart from a side of the first pixel and a side of a second pixel in a plan view.
26. The display device of claim 25, wherein the first protrusion is closer to the side of the first pixel than the second protrusion in a plan view, and wherein a length of the first protrusion is substantially the same as a length of the side of the first pixel.
27. The display device of claim 26, wherein the second protrusion is closer to the side of the second pixel than the first protrusion in a plan view, and wherein a length of the second protrusion is substantially the same as a length of the side of the second pixel.
28. The display device of claim 21, wherein a third protrusion of the plurality of protrusions and a fourth protrusion of the plurality of protrusions are disposed between the first pixel and the third pixel in the second direction in a plan view.
29. The display device of claim 21, wherein any one of the plurality of protrusions is not disposed between a vertex of the third pixel and a vertex of the second pixel in the third direction.
30. The display device of claim 21, further comprising a thin film encapsulation layer disposed on the second electrode, wherein a touch sensor layer is disposed on the thin film encapsulation layer, wherein the touch sensor layer comprises sensing electrodes in a touch sensing region, and wherein the sensing electrodes overlap at least a portion of the plurality of protrusions in a plan view.
31. The display device of claim 1, wherein the pixel definition layer is of integral one-piece construction, and a bottom most portion of each pit of the plurality of pits is spaced apart from a bottom of the pixel definition layer.
32. The display device of claim 13, wherein the common organic layer extends from a bottom of at least one spacer to substantially the top surface of the at least one spacer.
33. The display device of claim 21, wherein the first protrusion has a hammer shape.
Unknown
September 30, 2025
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