Siemens, under Chief Executive Peter Loscher, has said it will focus on energy, industry and health care, yet, the company is still wrestling with non-core and, in some cases, underperforming businesses like its telecommunications joint venture with Nokia and its Osram lighting business.

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"The consumer is the last to convert, " says Charles Jerabek, chief executive of Osram Sylvania, Siemens' North American lighting division.

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Luxim, a privately-held company that would not disclose its revenues, will be competing in the land of lighting giants like GE, Philips, and Osram (a unit of German conglomerate Siemens).

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