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| Number | Title | Issue Date |
| 7440166 | Raman diffusion optical amplifier An amplifier or laser using the stimulated Raman diffusion effect comprises a light guide (6), and a light pump (10) for producing a pump wave. In order to increase amplification efficiency, the light guide comprises a core structure that includes at l... | 10/21/2008 |
| 7422703 | Nanometer-sized up-converting phosphor fluoride particles and process of preparation Nanometer-scaled up-converting fluoride phosphor particles and processes of making them are disclosed. In the process, an aqueous solution consisting of soluble salts of rare-earth metal ions at a molar ratio of (yttrium, lanthanum or gadolinium): ytterbium:(erbium,... | 09/09/2008 |
| 7407604 | Nanostructured re-doped SiO-base fluorescent materials and methods for production of same A new class of nanostructured RE-doped SiO2-base materials that display superior fluorescence properties is provided. In particular, high gain combined with a broad and flat spectral band width is observed in material composed of a high fraction of a nano... | 08/05/2008 |
| 7399429 | III-V semiconductor nanocrystal complexes and methods of making same A semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material. A method of making a semiconductor nanocrystal comple... | 07/15/2008 |
| 7378151 | Semiconductor nanoparticle, and a process of manufacturing the same The invention provides a semiconductor nanoparticle comprising a semiconductor nanoparticle core on the surface of which electron-releasing groups are arranged, the semiconductor nanoparticle having a fluorescent property and water-solubility. The invention also pro... | 05/27/2008 |
| 7374807 | Nanocrystal doped matrixes The present invention provides matrixes doped with semiconductor nanocrystals. In certain embodiments, the semiconductor nanocrystals have a size and composition such that they absorb or emit light at particular wavelengths. The nanocrystals can comprise ligands tha... | 05/20/2008 |
| 7335418 | Semiconductor nanoparticle having high luminescence properties comprising an electron-donor group and a multilayered coating comprising a hydrophobic group Disclosed is a semiconductor nanoparticle having excellent chemical durability and high luminescence properties. The chemical durability of the particle is provided by coating the semiconductor nanoparticle having high luminescence properties dispersed in an organic... | 02/26/2008 |
| 7320897 | Electroluminescence device with nanotip diodes A nanotip electroluminescence (EL) diode and a method are provided for fabricating said device. The method comprises: forming a plurality of Si nanotip diodes; forming a phosphor layer overlying the nanotip diode; and, forming a top electrode overlying the phosphor ... | 01/22/2008 |
| 7306751 | Crystalline superfine particles, complex material, method of manufacturing crystalline superfine particles, inverted micelles, inverted micelles enveloping precursor superfine particles, inverted micelles enveloping crystalline superfine particles, and precursor superfine particles Crystalline superfine particles capable of emitting light depending upon a time-rate-of-change of a stress and controlled in grain size in the range from 5 nm to 100 nm are complexed with another material such as resin. The crystalline superfine particles are manufa... | 12/11/2007 |
| 7303697 | Phosphor and production process for the same The object of the present invention is to provide a phosphor which is excellent in transparency, light transmittance, luminescence efficiency and luminescent intensity and at the same time, processes for producing the phosphor. Preferred embodiments of the invention... | 12/04/2007 |
| 7267797 | Nanofabricated photon tunneling based sensor A system and method for detecting changes in the refractive index of a fluid in a small test volume. A change in the refractive index can indicate a change in the chemical composition of the fluid. The test volume has a depth comparable to or less than the wavelengt... | 09/11/2007 |
| 7264872 | Durable high index nanocomposites for AR coatings The present invention includes ultraviolet curable compositions preferably containing discrete, crystalline zirconia nanoparticles with reactive, or copolymerizable, surface modification, in a polymerizable monomer/oligomer resin mixture. It is believed that copolym... | 09/04/2007 |
| 7235190 | Nanocluster-based white-light-emitting material employing surface tuning A method for making a nanocrystal-based material capable of emitting light over a sufficiently broad spectral range to appear white. Surface-modifying ligands are used to shift and broaden the emission of semiconductor nanocrystals to produce nanoparticle-based mate... | 06/26/2007 |
| 7175778 | Self-aligning QCA based nanomaterials The present application is directed to the preparation and use of a class of nanoparticles called Quantum Confined Atoms or QCA's. A QCA is a particle of material comprising a plurality of host atoms in a nanoparticle of a size of less than 10 nm with a single atom ... | 02/13/2007 |
| 6665486 | Single photon generating apparatus A single photon generating apparatus includes an optical waveguide, an active medium section and a resonator section. In the active medium section, a single electron is excited in response to application of exciting energy, and a single photon is emitted ... | 12/16/2003 |
| 6657236 | Enhanced light extraction in LEDs through the use of internal and external optical elements This invention describes new LEDs having light extraction structures on or within the LED to increase its efficiency. The new light extraction structures provide surfaces for reflecting, refracting or scattering light into directions that are more favorab... | 12/02/2003 |
| 6658144 | Diffraction tomography for monitoring latent image formation A system and method of reconstructing an image of a structure having periodic variations in index of refraction. Electromagnetic waves are projected onto the structure and the resulting diffracted electromagnetic waves are measured, wherein the step of me... | 12/02/2003 |
| 6639039 | Photochromic coating composition comprising nanoscales particles and process for providing substrate coated with the same A photochromic coating composition contains a silicon-containing precondensate derived from a hydrolysable silane containing a polymerizable functional group on a hydrolysis-stable radical, a photochromic dye, a stabilizer, and nanoscale particles. The co... | 10/28/2003 |
| 6622608 | Variable standoff extendable armor A method of achieving a variable standoff distance on an armored vehicle or structure between a standoff plate and a base armor plate. The method comprises building the armor system with the base armor plating covered by a layer of electromagnetic materia... | 09/23/2003 |
| 6246652 | Device using sensor for small rotation angle A recording and reproducing or observing apparatus based on a laser beam deflection detection method in which an object has a very small area for reflecting light. A laser beam emitted by a semiconductor laser diode passes through a collimator lens and a ... | 06/12/2001 |
| 4850707 | Optical pulse particle size analyzer A system for determining the cluster size distribution of submicron-size particles in a solution by optical pulse particle size analysis is provided. The system comprises a laminar flow cell having a translucent chamber, means for passing a sheath liquid ... | 07/25/1989 |
