Fault tolerant light modulator display system
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United States of America Patent
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Jun 30, 1998
Grant Date -
N/A
app pub date -
Jun 26, 1997
filing date -
Jun 26, 1997
priority date (Note) -
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Abstract
A display system attached to a fixed substrate includes a two-dimensional light modulator array having a plurality of light modulators arranged in a first row and a second row, with the first row at a first row position with respect to the fixed substrate and the second row at a second row position with respect to the fixed substrate. A mechanically movable element such as a rotary stepper or piezovibrator attaches the two-dimensional light modulator array to the fixed substrate. The movable element is operated to move the first row from its first row position to substantially occupy the second row position. In conjunction with various image processing deblurring and rescaling techniques, this effectively distributes light between adjacent rows to compensate for failure of one or more light modulators in a row.
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