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Energy-saving circuit for flat display devices illuminated from behind, has sources of light shaped as bars and spots arranged in a reflective casing behind the display
Energy-saving circuit for flat display devices illuminated from behind, has sources of light shaped as bars and spots arranged in a reflective casing behind the display
Lights (7) are individually triggered. An evaluator circuit (13) uses image data to be displayed on a flat display (1) to ascertain an active display surface and relies on this to switch the lights on partially, which are located behind a screen's passive surfaces.
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