Patent ID: 8710375
Filing Date: 2014-04-29
Classification: G02F,H05B,Y10T

Abstract:
1. A display device substrate comprising an insulating substrate, comprising: at least one of a terminal area having a connection terminal to be connected to an external connection component, and a peripheral circuit region having a peripheral circuit formed thereon, on the insulating substrate, said display device substrate comprising: a plurality of organic-inorganic film stacked bodies stacked on top of each other; a first wiring; and a second wiring, wherein each said organic-inorganic film stacked body is formed of an inorganic insulating film that is stacked directly on and above an organic insulating film, a lowermost organic-inorganic film stacked body of said plurality of organic-inorganic film stacked bodies is stacked on said first wiring, said second wiring is stacked on said lowermost organic-inorganic film stacked body, and is connected to said first wiring through a contact hole formed in said lowermost organic-inorganic film stacked body, and at least a portion of a wall surface of a hole in said organic insulating film is covered with said inorganic insulating film in said contact hole.