One of the patents recently purchased by eMagin .
http://www.google.com/patents/US8456745
FIG. 1 illustrates a schematic representation of an optical apparatus for binocular viewing. This figure is from U.S. Pat. No. 4,322,135 ('135) and the '135 patent is hereby incorporated in full by reference. Several important concepts are put forth in the '135 patent including the object generated by (1) forming an image on (2) a convex fiber optic faceplate.
http://assignments.uspto.gov/assignments/q?db=pat&pat=8456745
