A display system for providing a two dimensional image includes an essentially one dimensional light valve array. The diffractive light valve array includes modulator elements which diffract or reflect light incident thereon to an extent determined by an image element to be represented. The display system...http://www.google.com.au/patents/US5982553?utm_source=gb-gplus-sharePatent US5982553 - Display device incorporating one-dimensional grating light-valve array
