Stereoscopic glasses using dichroic and absorptive layers
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United States of America Patent
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May 10, 2016
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app pub date -
Jan 17, 2012
filing date -
Jan 17, 2012
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Abstract
Filter glasses for use with a stereoscopic digital display system that displays stereoscopic images including left-eye images and right-eye images. The left-eye images are formed with light in a plurality of left-eye spectral bands, and the right-eye images are formed with light in a corresponding plurality of spectrally-adjacent right-eye spectral bands. The filter glasses include a left-eye filter and a right-eye filter, each of which includes a dichroic filter stack and one or more absorptive filter layers. Each of the filters transmits 50% or more of the light in the corresponding eye spectra bands, while providing less than 5% crosstalk. A frame is used to position the right-eye filter in front of an observer's right eye and to position the left-eye filter in front of the observer's left eye.
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