A flexible display device, comprising: a display panel providing a base surface and comprising a plurality of light emitting areas (PXA-R, PXA-G, PXA-B) and a non-light emitting area (NPXA) disposed adjacent to the light emitting areas (PXA-R, PXA-G, PXA-B); and a touch screen disposed on the base surface, the touch screen comprising: a plurality of first conductive patterns disposed on the base surface and overlapped with the non-light emitting area (NPXA); a first insulating layer (TS-IL1) disposed on the base surface, covering the first conductive patterns, and comprising a plurality of first openings defined to correspond to the light emitting areas (PXA-R, PXA-G, PXA-B); a plurality of second conductive patterns disposed on the first insulating layer (TS-IL1) and overlapped with the non-light emitting area (NPXA); and a second insulating layer (TS-IL2) disposed on the first insulating layer (TS-IL1), covering the second conductive patterns, and comprising a plurality of second openings defined to correspond to the light emitting areas (PXA-R, PXA-G, PXA-B); wherein the display panel comprises a thin film encapsulation layer encapsulating an organic light emitting device layer (DP-OLED) and providing the base surface, the thin film encapsulation layer comprises: a lower inorganic thin film layer configured to contact with the organic light emitting device layer (DP-OLED); a plurality of organic thin film layers (OL1 to OLn) disposed on the lower inorganic thin film layer; and a plurality of upper inorganic thin film layers (IOL1 to IOLn) alternately stacked with the organic thin film layers (OL1 to OLn) characterized in that a thin film layer disposed at an uppermost position among the organic thin film layers (OL1 to OLn) and the upper inorganic thin film layers (IOL1 to IOLn) alternately stacked with the organic thin film layers (OL1 to OLn) comprise third openings or grooves defined to correspond to the plurality of first openings, and optionally, the display panel further comprises a buffer layer (BFL-1) providing the base surface and the buffer layer (BFL-1) comprises a plurality of third openings or grooves defined to correspond to the plurality of first openings. a display panel providing a base surface and comprising a plurality of light emitting areas (PXA-R, PXA-G, PXA-B) and a non-light emitting area (NPXA) disposed adjacent to the light emitting areas (PXA-R, PXA-G, PXA-B); and a touch screen disposed on the base surface, the touch screen comprising: a plurality of first conductive patterns disposed on the base surface and overlapped with the non-light emitting area (NPXA); a first insulating layer (TS-IL1) disposed on the base surface, covering the first conductive patterns, and comprising a plurality of first openings defined to correspond to the light emitting areas (PXA-R, PXA-G, PXA-B); a plurality of second conductive patterns disposed on the first insulating layer (TS-IL1) and overlapped with the non-light emitting area (NPXA); and a second insulating layer (TS-IL2) disposed on the first insulating layer (TS-IL1), covering the second conductive patterns, and comprising a plurality of second openings defined to correspond to the light emitting areas (PXA-R, PXA-G, PXA-B); a plurality of first conductive patterns disposed on the base surface and overlapped with the non-light emitting area (NPXA); a first insulating layer (TS-IL1) disposed on the base surface, covering the first conductive patterns, and comprising a plurality of first openings defined to correspond to the light emitting areas (PXA-R, PXA-G, PXA-B); a plurality of second conductive patterns disposed on the first insulating layer (TS-IL1) and overlapped with the non-light emitting area (NPXA); and a second insulating layer (TS-IL2) disposed on the first insulating layer (TS-IL1), covering the second conductive patterns, and comprising a plurality of second openings defined to correspond to the light emitting areas (PXA-R, PXA-G, PXA-B); wherein the display panel comprises a thin film encapsulation layer encapsulating an organic light emitting device layer (DP-OLED) and providing the base surface, the thin film encapsulation layer comprises: a lower inorganic thin film layer configured to contact with the organic light emitting device layer (DP-OLED); a plurality of organic thin film layers (OL1 to OLn) disposed on the lower inorganic thin film layer; and a plurality of upper inorganic thin film layers (IOL1 to IOLn) alternately stacked with the organic thin film layers (OL1 to OLn) a lower inorganic thin film layer configured to contact with the organic light emitting device layer (DP-OLED); a plurality of organic thin film layers (OL1 to OLn) disposed on the lower inorganic thin film layer; and a plurality of upper inorganic thin film layers (IOL1 to IOLn) alternately stacked with the organic thin film layers (OL1 to OLn) characterized in that a thin film layer disposed at an uppermost position among the organic thin film layers (OL1 to OLn) and the upper inorganic thin film layers (IOL1 to IOLn) alternately stacked with the organic thin film layers (OL1 to OLn) comprise third openings or grooves defined to correspond to the plurality of first openings, and optionally, the display panel further comprises a buffer layer (BFL-1) providing the base surface and the buffer layer (BFL-1) comprises a plurality of third openings or grooves defined to correspond to the plurality of first openings.