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PCE
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CPC Subgroup
H05B 45/44

with an active control inside an LED matrix

Full Title

Circuit arrangements for operating light-emitting diodes [LED] > Details of LED load circuits > with an active control inside an LED matrix

2 direct subcodes

Child Classifications

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  • H05B 45/46 having LEDs disposed in parallel lines
  • H05B 45/48 having LEDs organised in strings and incorporating parallel shunting devices