A liquid crystal display device includes a drain drive circuit for driving drain signal lines of a liquid crystal display panel. The drain drive circuit receives a plurality of grey-scale reference voltages from an external circuit, interpolates a plurality of intermediate voltages between each pair...http://www.google.de/patents/US5877736?utm_source=gb-gplus-sharePatent US5877736 - Low power driving method for reducing non-display area of TFT-LCD
