Patent ID: 8246235

Claim:
An illumination system, comprising: a substrate providing electrical connectivity to a plurality of LEDs mounted on a rear wall of a light transmitting panel and facing a plurality of respective light entrance windows of said side wall; said light transmitting panel having a plurality of recesses, said plurality of recesses formed along a rear wall, said light transmitting panel fixedly mounted over said substrate; said recesses forming a set of light scattering recesses and a set of light emitting recesses wherein each of said light scattering recesses has a top wall forming a light emitting wall and a side wall extending downward from said top wall to said rear wall; each of said light scattering recesses surrounding light scattering material positioned over said substrate which receives light from at least one of said LEDs and transmits scattered light through said correlated light emitting wall and outward through said light transmitting panel; wherein each of said light emitting recesses forms a further subset of further recesses, said further subset of further recesses mounted-parallel to said rear wall; wherein the light emitted by said plurality of LEDs is mixed inside said light transmitting panel and is distributed substantially uniformly in said light transmitting panel.