| 摘要 |
There is provided a thin film transistor circuit used for a driver circuit for providing a semiconductor display device without a picture blur and with high fineness/high resolution. In the thin film transistor circuit, a TFT having a large size (channel width) is not used, but a plurality of TFTs each having a small size are connected in parallel to each other and are used. By this, while sufficient current capacity of the thin film transistors is secured, fluctuation in the characteristics can be decreased.
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