FIELD: lighting engineering.
SUBSTANCE: invention relates to lighting engineering. Lighting device (1) includes lighting unit (10) and mounting device (11) for mounting lighting device (10) in window frame (109), in which lighting unit (10) includes lighting sheet (12) and frame (13) holding the peripheral portion of lighting sheet (12), lighting sheet (12) includes a base material having optical transparency, a plurality of lighting elements having optical transparency, which are provided on the first surface of the base material, and an empty portion between the plurality of lighting elements, and in which part of the lateral surface of the lighting element directed towards the empty portion serves as a reflective surface reflecting light that is incident on that lighting element.
EFFECT: technical result is weight reduction and easier use.
17 cl, 63 dwg
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