Method and apparatus for reducing driver count and power consumption in micromechanical flat panel displays
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United States of America Patent
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-
Apr 12, 2005
Grant Date -
N/A
app pub date -
May 15, 2002
filing date -
May 15, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A micromechanical panel display driver is shown in which only one driver and control bus are needed for each color. Furthermore, the elements are made with uniform film thicknesses, thereby minimizing the number of steps needed to fabricate the display. Here 6 bits are provided with temporal and aperture weighting. The use of temporal weighting generally requires the activation of most pixels twice/frame, which consumes considerable power. It should also be possible to eliminate temporal weighting by redistributing the contact area into a larger number of aperture weights and by adding a row electrode. Here pixels are activated only in response to a charge in the image. This generally reduces the drive power, since many pixels in a typical image do not change from frame to frame.
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