Patent ID: 11908985
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 0:
1. A display device, comprising:
an insulation layer disposed on a substrate;
a display panel including a pad disposed on the insulation layer; and
a driving unit including a bump electrically connected to the pad,
wherein the pad includes:
a first layer disposed directly on a surface of the insulation layer, the first layer including a conductive material;
a second layer disposed on the first layer, the second layer including a plurality of patterns arranged in a first direction and spaced apart from each other; and
a third layer disposed on the second layer, the third layer including a conductive material, and

wherein
the surface of the insulation layer includes first surface portions and second surface portions lower than the first surface portions, and
the first layer includes portions protruding toward the substrate at the second surface portions of the surface of the insulation layer and respectively corresponding to the plurality of patterns.