Efficient color display using low-absorption in-pixel color filters
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United States of America Patent
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Aug 1, 2000
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app pub date -
Aug 12, 1998
filing date -
Aug 12, 1998
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Abstract
A display system having a non-absorbing and reflective color filtering array and a reflector to improve light utilization efficiency. One implementation of the color filtering array uses a surface plasmon filter having two symmetric metal-dielectric interfaces coupled with each other to produce a transmission optical wave at a surface plasmon resonance wavelength at one interface from a p-polarized input beam on the other interface. Another implementation of the color filtering array uses a metal-film interference filter having two dielectric layers and three metallic films.
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