A LED FILAMENT LAMP

The invention provides a LED filament lamp (10) comprising: an envelope (11) enclosing a chamber (13) sealed with a stem (12), wherein the stem extends into said chamber; a LED filament structure (14) with at least two individually controllable segments (141-145); a controller (15) configured to receive a control signal and control each of the at least two individually controllable segments based on said control signal, wherein the LED filament structure (14) and the controller (15) are arranged within the chamber (13); a driver circuit (16) arranged outside the chamber, wherein the driver circuit comprises two powerlines (161, 162) extending through the stem (12) or the envelope (11) for powering the LED filament structure (14) and the controller (15), wherein the driver circuit (16) is configured to convey said control signal to the controller (15) via a control line (163) extending through the stem or the envelope.