Patent ID: 8210689
Filing Date: 2012-07-03
Classification: G02B,G03B

Abstract:
1. An image projection system comprising: a panel that selectively reflects an illumination light to produce an imaging light, the panel comprising a plurality of selectively adjustable reflecting elements arranged in a common plane, the elements being adjustable between at least a first position and a second position; and a prism comprising a first subprism and a second subprism, a first spaced apart surface of the first subprism being adjacent to a second spaced apart surface of the second subprism, the first and second spaced apart surfaces defining an airgap that follows a curve, wherein the prism comprises a total internal reflection prism; and a field lens disposed between the airgap and the panel, wherein the field lens transmits the illumination light and the imaging light between the prism and the panel.