Abstract
The analysis of the comparative studies results of the lighting characteristics of A60 filament lamps from five manufacturers: Uniel (Russia — China), Feron (Russia), REV (Germany), OSRAM (Germany), FORZA (China). The correlated color temperature and spectral distribution of the radiant flux density for lamp burning times up to 6000 h were analyzed. Keywords LED filament lamp, chromaticity coordinates, correlated color temperature, emission spectrum
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