Thin-film Transistor

A thin-film transistor (TFT) is a special kind of field-effect transistor made by depositing thin films of a semiconductor active layer as well as the dielectric layer and metallic contacts over a supporting substrate. A common substrate is glass, since the primary application of TFTs is in liquid crystal displays. This differs from the conventional transistor where the semiconductor material typically is the substrate, such as a silicon wafer.

Read more about Thin-film TransistorStructure of A TFT-display Matrix, Manufacture, Applications

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Thin-film Transistor - Applications
... The best known application of thin-film transistors is in TFT LCDs, an implementation of LCD technology ... Transistors are embedded within the panel itself, reducing crosstalk between pixels and improving image stability ... The most beneficial aspect of TFT technology is a separate transistor for each pixel on the display ...