Light emitting diode arrays for direct backlighting of liquid crystal displays
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United States of America Patent
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Aug 9, 2011
Grant Date -
N/A
app pub date -
Jan 28, 2010
filing date -
Dec 23, 2004
priority date (Note) -
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Abstract
A display panel for a flat panel display includes a planar array of LCD devices and a planar array of LED devices that is closely spaced apart from the planar array of LCD devices, at least some of the LED devices being disposed within a periphery of the array of LCD devices such that, in operation, the planar array of LED devices provides backlighting for the planar array of LCD devices. The planar array of LED devices can include at least one solid metal block having first and second opposing metal faces. The first metal face includes therein an array of reflector cavities, and the second metal face includes therein heat sink fins that are exposed at the back face of the flat panel display.
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