A liquid crystal active matrix display device includes a first substrate having a thin film transistor formed thereon. A light-screening film 1 is located on the first substrate in a manner to be overlapped with an ITO. The display device includes a second substrate having a color filter and a light-screening...http://www.google.de/patents/US6331845?utm_source=gb-gplus-sharePatent US6331845 - Liquid crystal display device and driving method therefor
