Patent ID: 7352488

Claim:
A device for soft proofing image data for printed material, the device comprising: (a) a light source and at least four color filters, wherein light passing through each of said color filters produces light having a different one of at least four primary colors, respectively; (b) a converter for converting the image data to a plurality of spectral components corresponding to said image data according to at least one characteristic of the printed material, said spectral components for use in producing converted data corresponding to at least one of said at least four primary colors; (c) a controller for determining an additive linear combination of said at least four primary colors according to said converted data for production by said light source; and (d) a viewing screen for displaying the image data according to said additive linear combination from said controller, wherein said at least four color filters are arranged between said light source and said viewing screen such that any light emitted by said light source passes through only a single one of said color filters before reaching the viewing screen.