| abstract |
It is an object of the present invention to provide a method for protecting an aluminum electrode constituting a display device from corrosion or the like.n n n In a method of manufacturing a display device, an aluminum electrode having a predetermined shape is formed on a substrate, and then the aluminum electrode is treated with a solution containing an oxidizing agent to form a surface of the aluminum electrode containing a substance derived from an oxidizing agent as a main component The above problems are solved by forming a compound film. |