Importance

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Abstract

Provided are a thin film transistor including a polycrystalline silicon layer having improved crystallinity by applying Joule heat to form stress gradient in a glass substrate that is disposed under an amorphous silicon layer from a surface to a predetermined depth of the glass substrate, thereby crystallizing the amorphous silicon layer into a polycrystalline silicon layer, and a method of fabricating the same. The film transistor includes a glass substrate having stress gradient from an upper surface to a predetermined depth, a semiconductor layer disposed on the glass substrate, and formed of a polycrystalline silicon layer crystallized by Joule heating, a gate insulating layer disposed on the semiconductor layer, a gate electrode disposed on the gate insulating layer, an interlayer insulating layer disposed on the gate electrode, and source and drain electrodes disposed on the interlayer insulating layer, and electrically connected to source and drain regions of the semiconductor layer.

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First Claim