Patent ID: 8162484

Claim:
A light engine for use in a projector, comprising: a prism for receiving and separating white light into blue, green, and red light; a plurality of channel subassemblies having imaging devices for receiving, modulating and reflecting said red, green and blue light back to said prism, which in response re-converges said light for projection onto a screen to produce an image; at least two of said channel subassemblies being provided with convergence mechanisms for adjusting the orientation of respective ones of said imaging devices for convergence correction of the image projected on said screen, wherein two of said channel subassemblies are provided with manual mechanisms for adjusting the orientation of a respective two of said imaging devices relative to a third imaging device of a third one of said channel subassemblies, and wherein each of said channel subassemblies includes a plurality of fixed elements, at least one movable element housing a respective one of said imaging devices, and a plurality of manual adjustment screws mounted to said fixed elements for driving said at least one movable element and a plurality of wedge locking mechanisms for locking the position of said at least one movable element.