F21YINDEXING 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 EMITTEDThis subclass constitutes an 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. F21Y2101/00 F21Y2101/00Point-like light sources F21Y2103/00Elongate light sources, e.g. fluorescent tubes F21Y2103/10comprising a linear array of point-like light-generating elements F21Y2103/20of polygonal shape, e.g. square or rectangular F21Y2103/30curved F21Y2103/33annular F21Y2103/37U-shaped F21Y2105/00Planar light sources F21Y2105/10comprising a two-dimensional array of point-like light-generating elements F21Y2105/12characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities F21Y2105/14characterised by the overall shape of the two-dimensional array F21Y2105/16square or rectangular, e.g. for light panels F21Y2105/18annularpolygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam F21Y2107/00Light sources with three-dimensionally disposed light-generating elements F21Y2107/10on concave supports or substrates, e.g. on the inner side of bowl-shaped supports F21Y2107/20on convex supports or substrates, e.g. on the outer surface of spheres F21Y2107/30on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section F21Y2107/40on the sides of polyhedrons, e.g. cubes or pyramids F21Y2107/50on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted F21Y2107/60on stacked substrates F21Y2107/70on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form F21Y2107/80on articulated supports or substrates F21Y2107/90on two opposite sides of supports or substrates F21Y2109/00Light sources with light-generating elements disposed on transparent or translucent supports or substrates F21Y2111/00Light sources of a form not covered by groups F21Y2101/00-F21Y2107/00 F21Y2113/00Combination of light sources F21Y2113/10of different colours F21Y2113/13comprising an assembly of point-like light sources F21Y2113/17forming a single encapsulated light source F21Y2113/20of different form F21Y2115/00Light-generating elements of semiconductor light sources F21Y2115/10Light-emitting diodes [LED] F21Y2115/15Organic light-emitting diodes [OLED] F21Y2115/20Electroluminescent [EL] light sources F21Y2115/30Semiconductor lasers