Samsung Display Co., Ltd.

Seung-Ho Yoon

Bong-Kyun Kim

Shin-Il Choi

A thin film transistor substrate includes a gate electrode disposed on a substrate; a semiconductor layer disposed on the substrate that partially overlaps the gate electrode and includes an oxide semiconductor material; and a source electrode and a drain electrode disposed on the semiconductor layer, where the drain electrode is spaced apart from the source electrode. The source electrode and the drain electrode each include a barrier layer and a main wiring layer, the a main wiring layer is disposed on the barrier layer, and the barrier layer includes a first metal layer disposed on the semiconductor layer, and a second metal layer disposed on the first metal layer.

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Yongin, South Korea

Seung-Ho Yoon