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US 7,460,290 B2Granted
Methods and apparatus for spatial light modulation
AssigneePixtronix, Inc.
InventorsNesbitt W. Hagood, IV, Richard S. Payne, Jasper Lodewyk Steyn
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Abstract
Improved apparatus and methods for spatial light modulation are disclosed which utilize optical cavities having both front and rear reflective surfaces. Light-transmissive regions are formed in the front reflective surface for spatially modulating light.
Claims12
A display apparatus comprising:
- a light guide;
- a substrate having a front surface facing an intended viewer and a rear surface facing the light guide, wherein the substrate is separated from the light guide by a gap;
- and
- an array of MEMS-based light modulators formed on the rear surface of the substrate.
1 more element
Dependencies are inferred from the claim text.