Patent application number | Description | Published |
20090061226 | SPHERICAL COMPOSITES ENTRAPPING NANOPARTICLES, PROCESSES OF PREPARING SAME AND USES THEREOF - Novel nanoparticles-entrapping spherical composites, composed of a metal oxide or semi-metal oxide and a hydrophobic polymer, are disclosed. The spherical composites are characterized by well-defined spherical shape, a narrow size distribution and high compatibility with various types of nanoparticles. Further disclosed are processes for preparing the nanoparticles-entrapping spherical composites and uses thereof. | 03-05-2009 |
20090230382 | III-V semiconductor core-heteroshell nanocrystals - The present invention provides a core/multishell semiconductor nanocrystal comprising a core and multiple shells, which exhibits a type-I band offset and high photoluminescence quantum yield providing bright tunable emission covering the visible range from about 400 nm to NIR over 1600 nm. | 09-17-2009 |
20100044209 | HYBRID METAL-SEMICONDUCTOR NANOPARTICLES AND METHODS FOR PHOTO-INDUCING CHARGE SEPARATION AND APPLICATIONS THEREOF - The development and use of hybrid metal-semiconductor nanoparticles for photocatalysis of a variety of chemical reactions such as redox reactions and water-splitting, is provided. | 02-25-2010 |
20110212561 | III-V SEMICONDUCTOR CORE-HETEROSHELL NANOCRYSTALS - Provided is a core/multishell semiconductor nanocrystal including a core and multiple shells, which exhibits a type-I band offset and high photoluminescence quantum yield providing a bright tunable emission covering the visible range from about 400 nm to NIR over 1600 nm. | 09-01-2011 |
20110293879 | ASSEMBLIES COMPRISING BLOCK CO-POLYMER FILMS AND NANORODS - Provided is an assembly including a block co-polymer film and a plurality of nano-rods; where the plurality of nano-rods are oriented at the surface of the block co-polymer film, substantially perpendicular to at least one interface between block co-polymer domains. Further provided are methods of assembly formation and devices including such assemblies. | 12-01-2011 |
20110299001 | OPTICAL DISPLAY DEVICE AND METHOD THEREOF - The present invention provides and optical display device and a method for use in displaying an image. The optical display device comprises An optical display device comprising: at least one region of nanostructures operable as an optically active media, such that said nanostructures are responsive to input electromagnetic radiation to emit output electromagnetic radiation, and an arrangement of electrodes being configured and operable to be selectively addressable to create an external electric field to said at least one region of nanostructures, said region of nanostructures and said arrangement of electrodes defining together a pixel arrangement of said display device; said external electric field affecting said at least one region of nanostructures to selectively modulate emission of said output electromagnetic radiation, said output electromagnetic radiation being an output of at least one pixel element of the display device. | 12-08-2011 |
20120175585 | CAGE NANOSTRUCTURES AND PREPARTION THEREOF - A unique family of nanoparticles characterized by their nanometric size and cage-like shapes (hollow structures), capable of holding in their hollow cavity a variety of materials is disclosed herein. | 07-12-2012 |
20120197364 | PHOTOELECTRICAL DEVICES FOR STIMULATING NEURONS - The present invention provides a novel photoelectrical device for efficient transmission of electrical signals to a neuron. This photoelectrical device comprises one or more charging units for coupling to and stimulating one or more neurons by charge, the charging unit comprising: a nanostructure-based electrode having a surface, which has a predetermined developed surface area for coupling to a neuron and which carries a plurality of photosensitive regions (e.g. quantum dots) interfacing with a biocompatible macromolecule for tuning the relative energy levels between the photosensitive regions and the electrode, as well as for directing the spatial polarity of charge separation the surface being thereby electrically chargeable and dischargeable in response to light excitation of the photosensitive regions, the charges stimulating the neuron when coupled to the surface. | 08-02-2012 |
20120248402 | PHOTON EMITTER EMBEDDED IN METALLIC NANOSLIT ARRAY - An emitter device for emitting electromagnetic radiation is presented. The device includes a metallic patterned structure, and emitting media integral with the metallic patterned structure. The emitting media includes one or more emitters of omni-directional emission in nature wherein certain emission pattern. One or more parameters of the metallic patterned structure, that define a dispersion map thereof, are selected according to the emitting pattern such that the metallic patterned structure operates as a beam shaper creating resonant coupling of each emitter with a microscopic confined optical mode of the metallic patterned structure thereby enhancing by a predetermined enhancement factor the emission from the emitting media in a predetermined direction. The device thus provides predetermined directional beaming of output electromagnetic radiation wherein a predetermined angular propagation of the electromagnetic radiation emitted by the emitting media. | 10-04-2012 |
20130032768 | PHOSPHOR-NANOPARTICLE COMBINATIONS - Compositions of matter comprising a seeded semiconductor nanoparticle material and a non-quantum confined phosphor particle material for use in light conversion and light conversion layers comprising such compositions. In various embodiments, spherical core/shell seeded nanoparticles (SNPs) or nanorod seeded nanoparticles (RSNPs) are combined with a phosphor material to provide a composition of matter with small re-absorbance of the phosphor emission in both green and red wavelength regions and small re-absorbance of the SNP emission, In some embodiments, the SNPs or RSNPs are encapsulated in a first host material before being mixed with the phosphor particles. In various embodiments, a SNP/RSNP-phosphor mixture or encapsulated SNP/RSNP-phosphor mixture is incorporated in host matrix. | 02-07-2013 |
20130115455 | ANISTROPIC SEMICONDUCTOR NANOPARTICLES - The present invention provides seeded rod (SR) nanostructure systems including an elongated structure embedded with a seed structure being a core/shell structure or a single-material rod element. The SR systems disclosed herein are suitable for use in a variety of electronic and optical devices. | 05-09-2013 |
20130299772 | HEAVILY DOPED SEMICONDUCTOR NANOPARTICLES - Herein, provided are heavily doped colloidal semiconductor nanocrystals and a process for introducing an impurity to semiconductor nanoparticles, providing control of band gap, Fermi energy and presence of charge carriers. The method is demonstrated using InAs colloidal nanocrystals, which are initially undoped, and are metal-doped (Cu, Ag, Au) by adding a metal salt solution. | 11-14-2013 |
20140009902 | POLARIZING LIGHTING SYSTEMS - An optically active structure ( | 01-09-2014 |