Display device and array
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 4, 2000
Grant Date -
N/A
app pub date -
Sep 9, 1998
filing date -
Sep 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A changeable display element is edgewise mounted on an insulating board and carries to rotate through about 180.degree. to show one color face or the other to a viewer. The board provides a similarly colored face for each face to form a pixel. The element carries a permanent magnet and is driven by a switchable magnetic field provided from the board. Soft iron pads on the board cooperates with the magnet on each position to retain the element against incidental displacement between application of the field. The board may support arrays of such elements.
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