Multiple stop micro-mirror array display
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United States of America Patent
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Jan 27, 2009
Grant Date -
N/A
app pub date -
Jan 14, 2008
filing date -
Jan 14, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A micro mirror device is described. The device has a tiltable mirror plate with a reflective surface configured to reflect incident light to form a reflected light beam. A controller is configured to cause the mirror plate to tilt from an un-tilted position to an “off” position, a first “on” position, or a second “on” position. An opaque aperture structure is configured to block substantially all of a reflected light beam from reaching a display surface when the mirror plate is tilted to the “off” position, allow a first portion of a reflected light beam to pass through when the mirror plate is tilted to the first “on” position and allow a second portion of a reflected light beam to pass through when the mirror plate is tilted to the second “on” position. The tilting positions determine a brightness of display pixels.
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