The filament is one of the types of LED lights. It looks like an ordinary halogen, but it is a special LED.

Unlike traditional LED lights, these LEDs are no longer on a flat surface side by side but on a long and thin glass tube. As a result, they have even better heat output and high brightness, and they are highly scattered on the side of the conventional LEDs (nearly 360 degrees).

Because of this, they are excellent for luminaires with their socket facing up or sides.

Available in candles, mini globe and globe types, with E27 and E14 sockets, in 2700K and 4000K too.