| 摘要 |
A liquid crystal display device includes a first substrate having a plurality of pixels; a thin film transistor each pixel and having a gate electrode, a drain electrode and a source electrode; a pixel electrode at each pixel and connected to the drain electrode; a plurality of column spacers between the first substrate and a second substrate; and a protrusion on the first substrate overlapped with at least one of the column spacers, wherein the protrusion includes a first layer of the same material as an active layer of the thin film transistor and formed on the same layer as the active layer; a second layer of the same material as the source and drain electrodes and formed on the same layer as the electrodes; and a third layer of the same material as the pixel electrode and formed on the same layer as the pixel electrode.
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