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F21K · Non-electric light sources using luminescence

Non-electric light sources using luminescence; light sources using electrochemiluminescence; light sources using charges of combustible material; light sources using semiconductor devices as light-generating elements; light sources not otherwise provided for. Patents classified in CPC F21K, part of Engines, machines, heating and lighting.

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Newest patents in F21K · Non-electric light sources using luminescence

79 patents imported from the European Patent Office; newest published 2026-09-24; most active companies: Signify Holding BV, Ledvance GmbH, Philips Lighting Holding BV.

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