An illumination apparatus includes a frame, an optical base plate, a light source and an optical film. Devices of the present invention provide images and patterned data arrays representing images in multiple discrete spectra that can then be summed or processed to allow for detection of patterns or anomalies in the data collected. wherein, X is an aryl group; m is a poly moiety; Z is a phenylene group and the like; R1 to R3 each independently is a hydrogen atom, and the like; n is an integer of 1 to 6; and q is an integer of 1 to 4.