Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers

Introduced: January 2016

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 2016.

Child Classifications

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F21K 9/20 Light sources comprising attachment means since 2016 IPC+CPC Available in IPC and CPC
F21K 9/60 Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction since 2016 IPC+CPC Available in IPC and CPC
F21K 9/90 Methods of manufacture since 2016 IPC+CPC Available in IPC and CPC