The invention provides a semi-conductor light valve device and a process for fabricating the same. The device comprises a composite substrate having a supporte substrate, a light-shielding thin film formed on said supporte substrate and semiconductive thin film disposed on the light-shielding thin film...http://www.google.de/patents/USRE36836?utm_source=gb-gplus-sharePatent USRE36836 - Semiconductor device for driving a light valve
