| US 7,572,034 B2 | ||
| Multiple side illumination assembly | ||
| Udo Bansbach, Berlin (Germany) | ||
| Assigned to Semperlux Aktiengesellschaft, Berlin (Germany) | ||
| Filed on Apr. 23, 2007, as Appl. No. 11/789,171. | ||
| Claims priority of application No. 10 2006 019 194 (DE), filed on Apr. 21, 2006. | ||
| Prior Publication US 2007/0247845 A1, Oct. 25, 2007 | ||
| Int. Cl. F21V 5/04 (2006.01) | ||
| U.S. Cl. 362—309 [362/326; 362/337; 362/308; 362/310] | 14 Claims |
| 1. 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.
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