TFD
TFD (thin film diode) is a type of LCD (liquid crystal display) flat-panel display technology.
TFD technology combines the excellent image quality and fast response times of TFT, with the low power consumption and low cost of STN.
TFD technology is an active-matrix technology, meaning that a tiny circuit (a diode) is located next to each pixel, allowing the pixel to be turned on and off individually. This permits faster response time and greater contrast compared to passive-matrix technology.