Light source device
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United States of America Patent
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Mar 11, 2014
Grant Date -
Oct 18, 2012
app pub date -
Apr 12, 2012
filing date -
Apr 12, 2011
priority date (Note) -
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Abstract
In a light source device, that obtains high light usage efficiency by projecting simultaneously two or more of three primary color lights X, Y and Z. Moreover, each color light X, Y and Z is divided into two in terms of time so that p-wave and s-wave linear polarization lights are formed, such that the synthesized light of the p-wave linear polarization lights enters a first spatial modulation element and the synthesized light of the s-wave linear polarization lights enters a second spatial modulation element to permit gradation control of each color light.
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