Samsung Display Co., Ltd.

Changsub Jung

Jinsic Min

A display device includes a substrate including a display region and a pad region, a driving integrated circuit contacting the substrate at the pad region and including first to third test bumps receiving test signals and a circuit wire connected to each of the first to third test bumps, test pads in the pad region, through which the test signals are provided to the driving integrated circuit and including first to tenth test pads, and connection wires in the pad region, through which the test signals are provided to the test bumps from the test pads and including a first connection wire connecting the first test pad to the first test bump, second and third connection wires connecting the second and third test pads, respectively, to the second test bump, and fourth and fifth connection wires connecting the fourth and fifth test pads, respectively, to the third test bump.

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Hwaseong-si, South Korea

Changsub Jung