LED RADIATION SOURCE Russian patent published in 2020 - IPC H01L33/00 F21S8/00 

FIELD: physics.

SUBSTANCE: invention relates to semiconductor optical radiation sources based on light-emitting filaments made of LED heterostructures. Disclosed light-emitting diode source comprises a bulb filled with a gas having a low viscosity coefficient and a high heat conductivity coefficient, in which a holder with a stem and a core post is placed, on which a volumetric emitting light is fixed from light-emitting diode filaments, a base and a power supply device electrically connected in alternating current to the base, and positive and negative electrodes with light-emitting diode filaments. Inner surface of the bulb is coated with optically transparent electroconductive material. Additionally, there introduced is a source of free electrons temperature-conjugated with light-emitting filaments, wherein optically transparent electroconductive material is electrically connected to the positive electrode of the power supply device, and the source of free electrons is connected to the negative electrode.

EFFECT: high efficiency of cooling a radiation source during operation thereof.

1 cl, 1 dwg