Pulsed LED scan-ring array for boosting display system lumens
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United States of America Patent
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Oct 30, 2007
Grant Date -
Jun 16, 2005
app pub date -
Dec 10, 2003
filing date -
Dec 10, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A display apparatus 200 includes a substrate 219 and a number of light emitting diodes (LEDs) 202 coupled to the substrate. An optical element 207 such as a shroud or an integrator rod is located adjacent to at least one of the LEDs. In operation, the optical element and the LEDs are movable relative to one another so that the optical element is adjacent to different ones of the LEDs at different times.
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