Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2011-08-09
2011-08-09
Ben, Loha (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S237000
Reexamination Certificate
active
07995263
ABSTRACT:
A spatial light modulator suitable for flat panel displays and methods of making the modulators are disclosed. The light modulator comprises a light separator, integrated circuits (IC), light switches (concurrently called light shutters), and optional color filters. The light separator is used to direct light uniformly illuminated on the incident surface (entrance surface) into individual pixels, and condenses the light within each pixel to a small fraction of pixel space on the viewing surface. ICs and light shutters are used to control color and light intensity at individual pixels. Several novel designs of the light modulator and light shutters are disclosed. Methods of building self-aligned structures for placing micro-spherical ball spacers for attaching protective screens to the light modulator is also disclosed.
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