Lg Display Co., Ltd.

Sungki Hong

Seungmin Lee

Youngwoon Yoon

Byungyong Ahn

Sangkug Han

Yujin Choi

Sunghoon Hong

A thin-film transistor substrate and a display device comprising the same are provided which can improve display quality by reducing or preventing deterioration of the characteristics of thin-film transistors. The thin-film transistor substrate comprises thin-film transistors on a lower protective metal layer. Each thin-film transistor comprises a buffer layer, a semiconductor layer, a first insulating film, a gate electrode, a second insulating film, a source electrode and a drain electrode, and a first electrode. The lower protective metal layer is electrically connected to the gate electrode and overlaps the channel region of the semiconductor layer.

Growing community of inventors

Incheon, South Korea

Sungki Hong