Spatial light modulator with reduced possibility of an on state

Details Spatial light modulator with reduced possibility of an on state Spatial light modulator with reduced possibility of an on state

1994-11-30

1997-03-11

Weldon, Ulysses

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 85, G09G 334

Patent

active

056106246

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.

REFERENCES:
patent: 4229732 (1980-10-01), Hartstein et al.
patent: 5061049 (1991-10-01), Hornbeck
patent: 5079544 (1992-01-01), DeMond et al.
patent: 5105369 (1992-04-01), Nelson
patent: 5278652 (1994-01-01), Urbanus
patent: 5499062 (1996-03-01), Urbanus

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