An illumination system providing generally uniform illumination from edge to edge, said illumination system comprising: at least one illumination device, said at least one illumination device comprising: a source of illumination; and a diffuser, disposed proximate said source of illumination and between said source of illumination and an object to be illuminated, said diffuser including a generally planar surface and disposed a spaced distance from said source of illumination, said diffuser is configured for radiating light from said source of illumination through generally at least said entire planar surface of said diffuser, wherein said source of illumination is a multiple illumination element, characterised in that said diffuser comprises a frame including a left side, right side, top side and bottom side, said frame having a height, said diffuser including a generally planar cover extending between all said sides and having a length and a width, said cover is disposed a spaced distance away from said source of illumination corresponding to said height of said frame, said sides and cover of said diffuser forming a hollow cup like structure for radiating light from said source of illumination through generally at least said entire planar surface of said cover, wherein said diffuser is made of a light transmissive material, wherein said source of illumination has a rectangular shape and wherein the diffuser has a rectangular shape with a width and length which are the same as a width and length of said source of illumination having the rectangular shape. at least one illumination device, said at least one illumination device comprising: a source of illumination; and a diffuser, disposed proximate said source of illumination and between said source of illumination and an object to be illuminated, said diffuser including a generally planar surface and disposed a spaced distance from said source of illumination, said diffuser is configured for radiating light from said source of illumination through generally at least said entire planar surface of said diffuser, wherein said source of illumination is a multiple illumination element, a source of illumination; and a diffuser, disposed proximate said source of illumination and between said source of illumination and an object to be illuminated, said diffuser including a generally planar surface and disposed a spaced distance from said source of illumination, said diffuser is configured for radiating light from said source of illumination through generally at least said entire planar surface of said diffuser, wherein said source of illumination is a multiple illumination element, characterised in that said diffuser comprises a frame including a left side, right side, top side and bottom side, said frame having a height, said diffuser including a generally planar cover extending between all said sides and having a length and a width, said cover is disposed a spaced distance away from said source of illumination corresponding to said height of said frame, said sides and cover of said diffuser forming a hollow cup like structure for radiating light from said source of illumination through generally at least said entire planar surface of said cover, wherein said diffuser is made of a light transmissive material, wherein said source of illumination has a rectangular shape and wherein the diffuser has a rectangular shape with a width and length which are the same as a width and length of said source of illumination having the rectangular shape.