using an active matrix

Introduced: January 2016

Full Title

Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes > for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix > using controlled light sources > using electroluminescent panels > semiconductive, e.g. using light-emitting diodes [LED] > organic, e.g. using organic light-emitting diodes [OLED] > using an active matrix

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2016.

Child Classifications

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G09G 3/3233 with pixel circuitry controlling the current through the light-emitting element since 2016 IPC+CPC Available in IPC and CPC
G09G 3/3258 with pixel circuitry controlling the voltage across the light-emitting element since 2016 IPC+CPC Available in IPC and CPC