IPC Classification

Class code (prefix) Descriptions Number of results
F21Y 101/00 Point-like light sources
F21Y 101/02 Miniature, e.g. light emitting diodes (LED)
F21Y 103/00 Elongate light sources, e.g. fluorescent tubes
F21Y 103/02 curved, e.g. ring-shaped
F21Y 103/10 Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
F21Y 103/20 Elongate light sources, e.g. fluorescent tubes of polygonal shape, e.g. square or rectangular
F21Y 103/025 U-shaped
F21Y 103/30 Elongate light sources, e.g. fluorescent tubes curved
F21Y 103/33 Elongate light sources, e.g. fluorescent tubes curved annular
F21Y 103/37 U-shaped
F21Y 105/00 Planar light sources
F21Y 105/10 Planar light sources comprising a two-dimensional array of point-like light-generating elements
F21Y 105/12 Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
F21Y 105/14 Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
F21Y 105/16 Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
F21Y 105/18 Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
F21Y 107/00 Light sources with three-dimensionally disposed light-generating elements
F21Y 107/10 Light sources with three-dimensionally disposed light-generating elements on concave supports or substrates, e.g. on the inner side of bowl-shaped supports
F21Y 107/20 Light sources with three-dimensionally disposed light-generating elements on convex supports or substrates, e.g. on the outer surface of spheres
F21Y 107/30 Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
F21Y 107/40 Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
F21Y 107/50 Light sources with three-dimensionally disposed light-generating elements on 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
F21Y 107/60 Light sources with three-dimensionally disposed light-generating elements on stacked substrates
F21Y 107/70 Light sources with three-dimensionally disposed light-generating elements on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form
F21Y 107/80 Light sources with three-dimensionally disposed light-generating elements on articulated supports or substrates
F21Y 107/90 Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
F21Y 109/00 Light sources with light-generating elements disposed on transparent or translucent supports or substrates
F21Y 111/00 Light sources of a form not covered by groups
F21Y 113/00 Combination of light sources
F21Y 113/02 of different form
F21Y 113/10 Combination of light sources of different colours
F21Y 113/13 Combination of light sources of different colours comprising an assembly of point-like light sources
F21Y 113/17 Combination of light sources of different colours comprising an assembly of point-like light sources forming a single encapsulated light source
F21Y 113/20 Combination of light sources of different form
F21Y 115/00 Light-generating elements of semiconductor light sources
F21Y 115/10 Light-emitting diodes [LED]
F21Y 115/15 Organic light-emitting diodes [OLED]
F21Y 115/20 Electroluminescent [EL] light sources
F21Y 115/30 Semiconductor lasers