BLACK ELECTRODE SUBSTRATE PRODUCTION METHOD FOR BLACK ELECTRODE SUBSTRATE AND DISPLAY DEVICE

摘要

The black electrode substrate 100 of the present invention includes a first surface 15a that functions as a touch sensing input surface, a second surface 15b opposite to the first surface 15a, and the second surface ( A transparent substrate having a rectangular display area 15c as viewed from a plane defined on 15b) and an outer area 15d defined on the second surface 15b and positioned outside the display area 15c, , A first black layer (1) formed in the display region (15c) and the outer region (15d) of the second surface (15b) and containing carbon as a main color material, and the first black layer (1) On the first indium-containing layer (2) formed on and containing indium, on the first indium-containing layer (2), on the copper-containing layer (3) containing copper, and on the copper-containing layer (3) A second indium-containing layer 4 formed and containing indium; a second black layer 5 formed on the second indium-containing layer 4 and containing carbon as a main colorant; and the first black layer (1), a black wiring (6) having a laminated structure composed of the first indium-containing layer (2), the copper-containing layer (3), the second indium-containing layer (4), and the second black layer (5) The second indium-containing layer (4) in the stacked structure of the black wiring (6) formed in the display region (15c) and formed in the display region (15c) by a plurality of pixel openings (8). ) A black electrode pattern 60 having an exposed terminal portion, and a rectangle formed in the display area 15c so as to overlap the black electrode pattern 60, and having the same size as the display area 15c when viewed in plan view The upper transparent resin layer 9 is provided.