A four sided illuminable frame arrangement for the convenient display of a planar article, the frame arrangement comprising an elongated inner rail receivably connected to an elongated outer rail, the outer rail having an elongated cover rail hingedly connected thereto, the three rails comprising a multi-component assembly for each side of the four sided frame arrangement, the elongated inner rail allowing for fastener-free capture of a light-transparent panel having an L-shaped first side which supports an elongated arrangement of LEDs, the inner rail also having a mounting bracket channel on the rear side thereof, and a second alignment bracket channel disposed thereadjacent, the second alignment bracket channels having upstanding panel-support-flanges for even, peripheral support of the aforementioned light-transparent panel thereon.