• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F21Y - Indexing scheme associated with subclasses , , and , relating to the form or the kind of the light sources or of the colour of the light emitted
• 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 annularPlanar 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

Patent holdings for IPC class F21Y 105/18

Total number of patents in this class: 422

10-year publication summary

Principal owners for this class