Patent ID: 8328391

Claim:
A lighting module, comprising: a carrier, a plurality of LED groups, each of said plurality of LED groups consisting of at least one LED generating emitted light, arranged in an array on the carrier, the plurality of LED groups includes at least a first LED group and a second LED group adjacent to each other; a non-reflective translucent mesh, arranged at the carrier, and a front diffuser plate arranged in front of the mesh, wherein said mesh includes first walls which are arranged in a geometrical pattern forming a plurality of adjacent cells, said first walls being translucent and allowing light to pass through to adjacent cells through said first walls for mixing before passing through said diffuser plate; wherein each of said adjacent cells includes one of said plurality of said LED groups; such that said light emitted from the first LED group is partly separated and partly mixed with said light emitted from the second LED group, and wherein said emitted light from said LED groups is mixed in adjacent cells before passing through said diffuser plate.