A circuit capable of reducing a consumption current is provided for a digital display device composed of unipolar TFTs. There is provided a latch circuit for holding a digital video signal. According to the latch circuit, when the digital video signal is inputted to an input electrode of a TFT (101),...http://www.google.com.au/patents/US7403038?utm_source=gb-gplus-sharePatent US7403038 - Semiconductor device and display device
