Abstract
This paper examines the characteristics of LED filament lamps from various manufacturers: LLC “ Lisma “(Russia), an American company with production in China “ GENERAL LIGHTING CO.LTD”, a joint Chinese-Russian company “ Uniel “and Taiwan company” Smartbuy “ in the A60 bulb – the time of stabilization of characteristics, luminous flux, colour temperature, colour rendering index, flicker index, radiation spectrum during 6000 hours of burning. The research was carried out on the Gooch&Housego measuring system. The results of experimental studies that showed that the clear leader in the test results is the lamp SDF‑8 (LISMA), according to GOST of all tested samples of led filament lamps, it can be recommended for lighting in lighting devices for household lighting.
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