FIELD: lighting engineering. SUBSTANCE: luminaire has lighting fittings and an electric light source in which glass bulb a luminous body is positioned, and a cap is positioned on the end of the bulb throat. A multifunctional screen which is a mirror disk on the side of the luminous body is put on the bulb throat through a central hole made in the disk. EFFECT: improved heat mode and increased efficiency. 3 cl, 3 dwg
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