LIGHT-EMITTING ACOUSTIC PANEL WITH DUCT Russian patent published in 2018 - IPC E04B9/32 

FIELD: ground construction.

SUBSTANCE: group of inventions relates to the building elements. Light-emitting acoustic panel that may be mounted in a ceiling comprises a sound-absorbing layer and a light-transmissive layer arranged in parallel such that a space is formed in-between. In the space a light source and a reflector are arranged such that light emitted by the light source is redirected by the reflector and emitted towards a reflective side of the sound-absorbing layer. There is further a duct arranged through the light-emitting acoustic panel. In the duct, devices providing functionalities such as sensing, sound, lighting may be arranged. Outer surface of the duct, facing the space between the sound-absorbing layer and the light-transmissive layer comprises a specularly reflective surface.

EFFECT: provided is expanded functionality.

11 cl, 3 dwg