PRODUCT WITH LUMINOUS SURFACE PROVIDED BY LED Russian patent published in 2018 - IPC G09F13/18 

FIELD: lighting.

SUBSTANCE: product with luminous surface comprising a light guide providing the mentioned luminous surface, wherein the light guide comprises a plurality of scattering elements to produce an almost uniform light output at the luminous surface, and a plurality of solid-state lighting elements. Each of the mentioned solid-state lighting elements is configured to emit a light beam into the light guide. The light guide also includes the first body configured to create corresponding optical images in the light guide by creating corresponding areas in the light guide which are shaded from the corresponding light beams.

EFFECT: invention allows to exclude the need for a body on the light guide surface with uniform illumination.

14 cl, 8 dwg