Split beam micromirror

Details Split beam micromirror Split beam micromirror

2006-09-12

2006-09-12

Epps, Goergia (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000, C359S224200, C359S646000, C310S036000, C347S239000

Reexamination Certificate

active

07106491

ABSTRACT:
A system and method of providing a micromirror pixel400that is highly resistant to bright failure states. The micromirror400uses an asymmetric yoke402to ensure the mirror is only attracted to the address electrode in one rotation direction. The landing mechanism on the other side of the torsion binge axis also is altered to allow the pixel to over rotate in the “off” direction. The over rotation ensures that light reflected by the mirror when in the off direction will miss the projection lens pupil, allowing the corresponding pixel to remain dark in both an operational and failed state.

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