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. <EOS>