Patent ID: 8482189
Filing Date: 2013-07-09
Classification: B32B,C22C,C23C,G02F,H01L

Abstract:
1. A display device comprising: a Cu alloy film for the display device that is formed on a transparent substrate and is directly brought into contact with the transparent substrate, wherein the Cu alloy film has a multilayer structure, wherein the multilayer structure includes a first layer (Y) comprising a Cu alloy containing, in total, 2-20 atom % of at least one element selected from the group consisting of Zn, Ni, Ti, W, Nb, and Mn, and a second layer (X) comprising pure Cu or a Cu alloy having a content of Cu more than or equal to 90 atom % and having an electrical resistivity lower than that of the first layer (Y), and wherein the first layer (Y) is brought into contact with the transparent substrate.