An electroluminescent display device, comprising: a first pixel on a substrate; another first pixel on the substrate, the other first pixel is separated from the first pixel in a first direction, wherein the first pixel and the other first pixel are arranged in a first horizontal pixel row; a second pixel on the substrate, the second pixel is separated from the first pixel in a second direction perpendicular to the first direction, wherein the second pixel is arranged in a second horizontal pixel row, and wherein the first pixel and the second pixel are vertically adjacent in a vertical pixel column; a light emitting diode in each of the first and second pixels (P1, P2); a bank layer having openings defining the first pixel, the other first pixel and the second pixel; and at least one indent (180, 380, 580) between the first pixel and the second pixel and including a first portion (180, 382, 582), the first portion (180, 382, 582) extends in parallel to the first and second horizontal pixel rows, wherein the indent (180, 380, 580) is formed in a top surface of the bank layer, and wherein third edge distances from the indent (180, 380, 580) to the first horizontal pixel row and the second horizontal pixel row are same, and characterized in that the third edge distances from the indent (180, 380, 580) to the first horizontal pixel row and the second horizontal pixel row and a first edge distance from the first pixel to the other first pixel are equal, and wherein the third edge distances are distances in the second direction between an edge of the indent (180, 380, 580) closest to edges of the pixels of a respective one of the first horizontal pixel row and the second horizontal pixel row and said edges of the pixels. a first pixel on a substrate; another first pixel on the substrate, the other first pixel is separated from the first pixel in a first direction, wherein the first pixel and the other first pixel are arranged in a first horizontal pixel row; a second pixel on the substrate, the second pixel is separated from the first pixel in a second direction perpendicular to the first direction, wherein the second pixel is arranged in a second horizontal pixel row, and wherein the first pixel and the second pixel are vertically adjacent in a vertical pixel column; a light emitting diode in each of the first and second pixels (P1, P2); a bank layer having openings defining the first pixel, the other first pixel and the second pixel; and at least one indent (180, 380, 580) between the first pixel and the second pixel and including a first portion (180, 382, 582), the first portion (180, 382, 582) extends in parallel to the first and second horizontal pixel rows, wherein the indent (180, 380, 580) is formed in a top surface of the bank layer, and wherein third edge distances from the indent (180, 380, 580) to the first horizontal pixel row and the second horizontal pixel row are same, and characterized in that the third edge distances from the indent (180, 380, 580) to the first horizontal pixel row and the second horizontal pixel row and a first edge distance from the first pixel to the other first pixel are equal, and wherein the third edge distances are distances in the second direction between an edge of the indent (180, 380, 580) closest to edges of the pixels of a respective one of the first horizontal pixel row and the second horizontal pixel row and said edges of the pixels.