F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F21 LIGHTING
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
F21Y2105/00 Planar light sources
F21Y2105/10 comprising a two-dimensional array of point-like light-generating elements
F21Y2105/12 characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities