A multilayer planar optical component has a multiplicity of optical conductors. Each optical conductor is assigned a deflecting device that launches or couples out light at an angle to a longitudinal direction of the respective optical conductor, and the deflecting devices form a two-dimensional grid in the projection onto a plane parallel to the surface of the planar optical component. A coupling device for coupling light between such a planar optical component and an optical assembly has a lens array with a multiplicity of lenses disposed along a two-dimensional grid.