STATE OF THE ART. With its unique form, TRAPEZ is an exciting new lighting system which integrates seamlessly into ceilings and thus opens up fascinating lighting design opportunities with a three-dimensional flair.The heart of the luminaire is a compact unit consisting of the cover with the integrated LED board and operating equipment. This uniform, back-lit unit can be installed quickly without tools from below into the gypsum housing. The unusual basic shape of this stylish recessed luminaire gives any room a special feeling: for example, by using the three different sizes of the luminaire unique patterns can be created on ceilings or walls.