Method of Displaying Pixels Using Fractional Pulse Width Modulation
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United States of America Patent
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Issued Date -
Nov 12, 2009
app pub date -
May 12, 2008
filing date -
May 12, 2008
priority date (Note) -
Abandoned
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Abstract
A method for displaying a pixel on a display system using a series of digital pulses obtained by first determining a minimum pulse width (MPW) capable of displaying a pixel on the display system and then using a series of pulses for the display of the pixel, where at least some of the pulses have different pulse widths, and where at least one pulse has a width that is a non-integer multiple greater than 1 of the MPW. In this way, the number of unique intensity levels of the pixels of the displayed image can be increased and display resolution is improved. Even better resolution is obtained using two different, alternating series of digital pulses.
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