DIFF Subgroup
F21S 43/14 Light emitting diodes [LED]
Introduced: January 2018
Full Title
Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights > characterised by the light source > characterised by the type of light source > Light emitting diodes [LED]
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2018.
Child Classifications
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- F21S 43/145 Surface emitters, e.g. organic light emitting diodes [OLED] since 2018 IPC+CPC Available in IPC and CPC