Spatial light modulator with reduced possibility of an on state defect
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United States of America Patent
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Mar 11, 1997
Grant Date -
N/A
app pub date -
Nov 30, 1994
filing date -
Nov 30, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A Spatial Light Modulator (10) having control circuitry (40,42,44,46) which insures that shorts (70,72) between some of the circuitry will result in 'off' state defects. Sets of pixel elements (11) share a memory cell (12), each pixel element (11) in a set being switched to an on or off state by a reset line (13) that is separate from that of the other pixel elements (11) in that set. A pair of address electrode etches (44,46) are separated from each other and straddle a pair of data carrying etches (40,42). A zero is loaded to the data etches (40,42) when not loading memory cell (12) such that a short between the address electrode etches and the data etches will result in an 'off' state pixel defect upon a reset pulse.
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