Patent ID: 7572034

Claim:
A lighting assembly ( 10 ) comprising a housing ( 12 ), said housing having one or more openings ( 26 , 28 , 30 ), one of said openings facing a downward direction; wherein said housing has side walls and a bottom and said openings of said housing extend along a major portion of said side walls and of said bottom, and one or more frame portions ( 18 , 20 , 22 , 24 ) are provided; a lighting means ( 40 ) arranged in said housing, said lighting means emitting radiation through said openings ( 26 , 28 , 30 ) in angular ranges; and means ( 72 ) for shielding said radiation; and further comprising a first transparent cover ( 32 ; 72 ) for covering said opening facing a downward direction of said housing, said cover being a plate having a micro structure profile ( 102 ) to shield said radiation from selected portions of said angular ranges, and a second transparent cover in the form of a plate ( 70 ) to protect said micro structure profile, said frame portions holding said first and second covers against one another.