A display apparatus, comprising: a substrate comprising a first edge, a second edge disposed opposite to the first edge, and a third edge connecting the first edge to the second edge; a wire (VSS) extending along at least a first direction parallel to the third edge of the substrate and having an inner edge (IE), wherein the inner edge (IE) has a first portion (P1) and a second portion (P2), the first portion (P1) extends along the first direction and the second portion (P2) extends along a second direction crossing the first direction and extends away from a center region of the substrate ; and a first insulating layer covering a portion of the substrate , wherein a first end of the first insulating layer partly covers the wire (VSS), and the first end of the first insulating layer is disposed on the wire (VSS) wherein the first insulating layer covers the first portion (P1) of the wire (VSS) and a part of the second portion (P2) of the wire (VSS); the display apparatus further comprising: a second insulating layer covering the first insulating layer and having a second end disposed on the wire (VSS) and covering the first portion (P1) and part of the second portion (P2) of the wire (VSS), characterized in that a first distance (d1) between the first end and the second end covering the first portion (P1) of the wire (VSS) along the first direction is different from a second distance (d2) between the first end and the second end covering the second portion (P2) of the wire (VSS) along the second direction. a substrate comprising a first edge, a second edge disposed opposite to the first edge, and a third edge connecting the first edge to the second edge; a wire (VSS) extending along at least a first direction parallel to the third edge of the substrate and having an inner edge (IE), wherein the inner edge (IE) has a first portion (P1) and a second portion (P2), the first portion (P1) extends along the first direction and the second portion (P2) extends along a second direction crossing the first direction and extends away from a center region of the substrate ; and a first insulating layer covering a portion of the substrate , wherein a first end of the first insulating layer partly covers the wire (VSS), and the first end of the first insulating layer is disposed on the wire (VSS) wherein the first insulating layer covers the first portion (P1) of the wire (VSS) and a part of the second portion (P2) of the wire (VSS); the display apparatus further comprising: a second insulating layer covering the first insulating layer and having a second end disposed on the wire (VSS) and covering the first portion (P1) and part of the second portion (P2) of the wire (VSS), characterized in that a first distance (d1) between the first end and the second end covering the first portion (P1) of the wire (VSS) along the first direction is different from a second distance (d2) between the first end and the second end covering the second portion (P2) of the wire (VSS) along the second direction. a second insulating layer covering the first insulating layer and having a second end disposed on the wire (VSS) and covering the first portion (P1) and part of the second portion (P2) of the wire (VSS), characterized in that a first distance (d1) between the first end and the second end covering the first portion (P1) of the wire (VSS) along the first direction is different from a second distance (d2) between the first end and the second end covering the second portion (P2) of the wire (VSS) along the second direction. <EOS>