ELECTRIC FILAMENT LAMP Russian patent published in 2016 - IPC H01K9/08 

FIELD: lighting engineering.

SUBSTANCE: invention relates to lighting engineering. In electric filament lamp containing base, transparent bulb and luminous body with support components installed in it on holder with contact parts, bulb has through channel, luminous body is enclosed to circuit through dielectric material and located around the channel to move along its axis, and element supporting luminous body is installed on wall of channel. Circuit is configured to be placed on both sides of contact part of holder.

EFFECT: technical outcome is longer service life.

2 cl, 3 dwg