High-density spatial light modulator

Details High-density spatial light modulator High-density spatial light modulator

2006-04-11

2006-04-11

Mack, Ricky L. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000, C359S572000, C359S247000

Reexamination Certificate

active

07027204

ABSTRACT:
In one embodiment, a high-density spatial light modulator includes a substrate having a reflective surface and a reflective ribbon over the reflective surface. The ribbon may have one or more openings, such as rectangular slots. The openings allow light to pass through the ribbon and impinge on the reflective surface. Deflecting the ribbon towards the substrate thus allows for dynamically-controllable diffraction of incident light. The spatial light modulator pixel requires less space than a conventional light modulator, thus allowing for relatively large pixel count within a manufacturable device size. Other embodiments are also disclosed.

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D.T. Amm, et al. “Grating Light Valve Technology: Update and Novel Applications” May 19, 1998, pp. 1-4, Silicon Light Machines. Presented at Society for Information Display Symposium, Anaheim, CA.
David T. Amm, et al. “Optical Performance of the Grating Light Valve Technology” 1999, pp. 1-8, Silicon Light Machines, Sunnyvale, California.
R.W. Corrigan, “An Alternative Architecture for High Performance Display” Nov. 20, 1999, pp. 1-5, Silicon Light Machines. Presented at SMPTE Technical Conference and Exhibition, New York, NY.
R.W. Corrigan, et al. “Calibration of a Scanned Linear Grating Light Valve Projection System” May 18, 1999, pp. 1-4, Silicon Light Machines. Presented at Society for Information Display Symposium, San Jose, CA.
Robert Corrigan, et al. Silicon Light Machines—Grating Light Valve Technology Brief, Jun. 2001 ver C, pp. 1-8; Sunnyvale, California.

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