Patent 7538847 was granted and assigned to Hitachi on May, 2009 by the United States Patent and Trademark Office.
A display device with a substrate, a terminal portion, and the terminal portion have at least a portion formed with a first transparent conductive film and a second transparent conductive film, and the first transparent conductive film is exposed from the second transparent conductive film at a part of the portion, and crystallinity of the first transparent conductive film is higher than that of the second transparent conductive film.