Equivalent primary display
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United States of America Patent
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-
N/A
Issued Date -
Aug 17, 2006
app pub date -
Feb 14, 2006
filing date -
Feb 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and system for driving an LED based projector in which each of the LED banks is excited during a single duty cycle of a frame time rather than sequentially. This method powers multiple LED banks at least partially simultaneously producing an equivalent HDTV Primary color and thereby a brighter optimized display. The method of driving a projector using red, green, and blue light emitting diodes (LEDs) includes determining an equivalent primary display (EPD) chromaticity for each primary color in a frame time; and timing excitation of each of the red, green, and blue LEDs in a same duty cycle of a frame time in accordance with the equivalent primary display chromaticity determined.
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