b626bc89_tsugi_JP___Patent_applications__Description
[Patent application number] 20120045959 [Published] 02-23-2012 [Description] 
DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - It is an object of the present invention to provide a display device that has a structure of an electrode where a residue of a transparent conductive film is not generated when a weak acid solution is used in etching, which is particularly appropriate for an electrode of a light-emitting element.
Kengo Akimoto, Atsugi JP - Patent applications