Patent 9721914 was granted and assigned to LG on August, 2017 by the United States Patent and Trademark Office.
An array substrate for a display device can include a substrate, a pad positioned on the substrate, an insulating layer positioned on the pad and including a plurality of open portions exposing the pad, a first metal layer positioned on the insulating layer and disposed to be in contact with the pad, a second metal layer positioned on the first metal layer, and a bump electrode positioned on the second metal layer and including a plurality of dimples.