FIELD: lighting engineering. SUBSTANCE: compound for making infrared light filter is based on dyes of class of diphthalocyanines and their substituted analogs or rare-earth and transition elements of structural formula 
M, where M is ion of rare-earth or transition element, and Pc′ is nonsubstituted or substituted phthalocyanine, where H,t-Bu or Me.. Invention makes it possible to mask light devices with light filter within the range of human eye sensitivity and night viewing devices in visible and most close to infrared bands of spectrum up to λ=1,3 - 2,2 μm.. EFFECT: higher efficiency. 1 dwg
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