FIELD: lighting.
SUBSTANCE: invention relates to lighting engineering and can be used for production of lighting unit. Lighting unit (1000) includes lighting device (100), comprising light source (10) configured to provide light (11) of light source, and beam forming optics (20), configured to generate light source light into beam (101) lighting device, wherein lighting device (100) comprises window (30) comprising upstream surface (31) directed towards light source (10) and downstream surface (32). Lighting unit (1000) further comprises beam modifying means (200) made adjacent to window (30) and configured to intercept at least a portion of said beam (101) of the illumination device. Lighting device (100) and beam modifying means (200) are configured to modify said lighting device beam (101) to provide a lighting unit beam (1001) downstream of said beam modifying means (200), wherein beam modification means (200) comprises printed beam modifying element (210).
EFFECT: technical result is wider range of equipment and faster manufacture.
11 cl, 18 dwg
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