SYSTEM AND METHOD FOR A TRANSPARENT COLOR IMAGE DISPLAY UTILIZING FLUORESCENCE CONVERSION OF NANOPARTICLES AND MOLECULES
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app pub date -
Aug 14, 2006
filing date -
May 19, 2003
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Abandoned
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Abstract
A system and a method of a transparent color image display utilizing fluorescence conversion (FC) of nano-particles and molecules are disclosed. In one preferred embodiment, a color image display system consists of a light source equipped with two-dimensional optical scanning hardware and a FC display screen board. The FC display screen board consists of a fluorescence display layer, a wavelength filtering coating, and a visibly transparent substrate. In another preferred embodiment, two mechanisms of light excitation are utilized. One of the excitation mechanisms is up-conversion where excitation light wavelength is longer than fluorescence wavelength. The second mechanism is down-conversion where excitation wavelength is shorter than fluorescence wavelength. A host of preferred fluorescence materials for the FC screen are also disclosed. These materials fall into four categories: inorganic nano-meter sized phosphors; organic molecules and dyes; semiconductor based nano particles; and organometallic molecules. These molecules or nano-particles are incorporated in the screen in such a way that allows the visible transparency of the screen. Additionally, a preferred fast light scanning system is disclosed. The preferred scanning system consists of dual-axes acousto-optic light deflector, signal processing and control circuits equipped with a close-loop image feedback to maintain position accuracy and pointing stability of the excitation beam.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SUPERIMAGING INC | 44166 OLD WARM SPRING BLVD FREMONT CA 94538 |
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Liu, Jianqiang | Campbell, CA | 50 | 441 |
Sun, Xiao-Dong | Fremont, CA | 52 | 1182 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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