A touch display device (200, 300), comprising: a flexible substrate; a touch display panel (210, 310) on the flexible substrate, the touch display panel having an active display area ('A/A') including a plurality of touch electrodes ('TE') and having a bend area adjacent to at least a portion of a periphery of the touch display panel; a plurality of touch lines ('TL') disposed on the touch display panel and extending into the bend area; a first dielectric layer disposed on the plurality of touch lines, the first dielectric layer including an opening that forms at least a part of a compensation pattern of the first dielectric layer in the bend area; and a second dielectric layer disposed on the first dielectric layer and in the opening in the compensation pattern of the first dielectric layer; wherein the at least a portion of the periphery of the touch display panel is rounded, and either: (i) the compensation pattern of the first dielectric layer is rounded to correspond to the rounded portion of the periphery of the touch display panel, or (ii) a portion of the compensation pattern of the first dielectric layer disposed adjacent to the rounded portion of the periphery of the touch display panel has a shape including a first straight portion that extends in a first direction and a second straight portion that extends in a second direction that intersects the first direction, the first straight portion being connected to the second straight portion. a flexible substrate; a touch display panel (210, 310) on the flexible substrate, the touch display panel having an active display area ('A/A') including a plurality of touch electrodes ('TE') and having a bend area adjacent to at least a portion of a periphery of the touch display panel; a plurality of touch lines ('TL') disposed on the touch display panel and extending into the bend area; a first dielectric layer disposed on the plurality of touch lines, the first dielectric layer including an opening that forms at least a part of a compensation pattern of the first dielectric layer in the bend area; and a second dielectric layer disposed on the first dielectric layer and in the opening in the compensation pattern of the first dielectric layer; wherein the at least a portion of the periphery of the touch display panel is rounded, and either: (i) the compensation pattern of the first dielectric layer is rounded to correspond to the rounded portion of the periphery of the touch display panel, or (ii) a portion of the compensation pattern of the first dielectric layer disposed adjacent to the rounded portion of the periphery of the touch display panel has a shape including a first straight portion that extends in a first direction and a second straight portion that extends in a second direction that intersects the first direction, the first straight portion being connected to the second straight portion. (i) the compensation pattern of the first dielectric layer is rounded to correspond to the rounded portion of the periphery of the touch display panel, or (ii) a portion of the compensation pattern of the first dielectric layer disposed adjacent to the rounded portion of the periphery of the touch display panel has a shape including a first straight portion that extends in a first direction and a second straight portion that extends in a second direction that intersects the first direction, the first straight portion being connected to the second straight portion.