Actuated film display device
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United States of America Patent
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Nov 8, 2005
Grant Date -
Apr 7, 2005
app pub date -
Jul 22, 2003
filing date -
Sep 28, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An actuated film display device comprises a first fixed electrode, a first movable film electrode, which is placed to face the first fixed electrode to form a first optical path on an opposing side to the first fixed electrode, and which has a fixed end and a movable end, the movable end being displaced toward the first fixed electrode by application of a first potential difference between the first fixed electrode and the first movable film electrode, thereby shutting off the first optical path, a second fixed electrode placed at a predetermined distance from the first fixed electrode, and a second movable film electrode, which is placed to face the second fixed electrode to form a second optical path on an opposing side to the second fixed electrode, which has a fixed end and a movable end, the movable end being displaced toward the second fixed electrode by application of a second potential difference between the second fixed electrode and the second movable film electrode, thereby shutting off the second optical path. The display device having the above-described optical shutter as one pixel can display gray scale without using numerous signal lines and scanning lines.
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