Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2009-02-11
2011-10-18
Mack, Ricky (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
Reexamination Certificate
active
08040589
ABSTRACT:
Various embodiments of the present invention relate to enhancing the brightness of displays that employ illumination systems. In some embodiments, the illumination systems include light guides, diffractive microstructure, and light-turning features. The diffractive microstructure may be configured to receive ambient light at a first angle and produce diffracted light at a second angle greater than the first angle and greater than the critical angle for of light guide. The light is thereby guided within the light guide. The light-turning features may be configured to turn the light guided within the light guide out of a light guide and onto, for example, a spatial light modulator at near normal incidence.
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Bita Ion
Gruhlke Russell W.
Mienko Marek
Wang Lai
Xu Gang
Knobbe Martens Olson & Bear LLP
Mack Ricky
QUALCOMM MEMS Technologies Inc.
Tra Tuyen
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