| Patent application number | Description | Published |
|---|
| 20080205252 | FERROELECTRIC INFORMATION STORAGE MEDIUM AND METHOD OF MANUFACTURING THE SAME - A ferroelectric information storage medium having ferroelectric nanodots and a method of manufacturing the ferroelectric information storage medium are provided. The ferroelectric information storage medium includes a substrate, an electrode formed on the substrate, and ferroelectric nanodots formed on the electrode, wherein the ferroelectric nanodots are separated from each other, and a plurality of the ferroelectric nanodots form a single bit region. | 08-28-2008 |
| 20080252209 | MULTILAYER NANOCRYSTAL STRUCTURE AND METHOD FOR PRODUCING THE SAME - Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability. | 10-16-2008 |
| 20080258159 | METHOD FOR PREPARING METAL PHOSPHIDE NANOCRYSTAL FROM PHOSPHITE COMPOUND AND METHOD FOR PASSIVATING NANOCRYSTAL CORE WITH THE SAME - Disclosed herein is a method for the preparation of metal phosphide nanocrystals using a phosphite compound as a phosphorous precursor. More specifically, disclosed herein is a method for preparing metal phosphide nanocrystals by reacting a metal precursor with a phosphite compound in a solvent. A method is also provided for passivating a metal phosphide layer on the surface of a nanocrystal core by reacting a metal precursor with a phosphite compound in a solvent. The metal phosphide nanocrystals have uniform particle sizes and various shapes. | 10-23-2008 |
| 20080268248 | NANOCRYSTAL, METHOD FOR PREPARING THE SAME AND ELECTRONIC DEVICE COMPRISING THE SAME - Disclosed herein are a nanocrystal, a method for preparing the nanocrystal, and an electronic device comprising the nanocrystal. The nanocrystal comprises a semiconductor nanocrystal core, a non-semiconductor buffer layer surrounding the semiconductor nanocrystal core, and a shell surrounding the buffer layer. | 10-30-2008 |
| 20080280161 | LIGHT EMITTING DIODE DEVICE USING NANOCRYSTAL-METAL OXIDE COMPOSITE AND METHOD FOR FABRICATING THE SAME - A light emitting diode device includes a light emitting diode chip and a nanocrystal-metal oxide monolith having a nanocrystal-metal oxide composite disposed on a light emitting surface of the light emitting diode chip | 11-13-2008 |
| 20080290936 | NANOCRYSTAL-METAL OXIDE COMPLEX AND METHOD FOR PREPARING THE SAME - Disclosed herein is a nanocrystal-metal oxide complex. The nanocrystal of the nanocrystal-metal oxide complex is substituted with two or more different types of surfactants which are miscible with a metal oxide precursor and enable maintenance of luminescent and electrical properties of the nanocrystal. The nanocrystal-metal oxide complex exhibits superior optical and chemical stability and secures high luminescent efficiency of the nanocrystal. Accordingly, when the nanocrystal-metal oxide complex is used as a luminescent material of an electroluminescent device, it can improve luminescent efficiency and reliability of products. Further disclosed herein is a method for preparing the nanocrystal-metal oxide complex. | 11-27-2008 |
| 20080305334 | CORE/SHELL NANOCRYSTALS AND METHOD FOR PRODUCING THE SAME - Disclosed herein are a core/shell nanocrystal and a method for producing the same. More specifically, disclosed herein are a core/shell nanocrystal comprising a metal-doped shell nanocrystal, and a method for producing the same. The core/shell nanocrystal comprises a core nanocrystal and a metal-doped shell nanocrystal formed on the core nanocrystal. Based on the structure, the core/shell nanocrystal exhibits superior crystallinity and high luminescence efficiency, enables easy control of the shape and size and can be produced in a simple manner. | 12-11-2008 |
| 20090058264 | NANOCRYSTAL-METAL OXIDE COMPOSITES AND PREPARATION METHOD THEREOF - Disclosed herein are nanocrystal-metal oxide composites. The composites comprise nanocrystals and a metal oxide bound to the nanocrystals wherein the metal oxide has organic groups. The composites are stable to mechanical stress and exhibit improved processability. Also disclosed herein is a method for preparing the composites. | 03-05-2009 |
| 20090073349 | THREE-DIMENSIONAL MICROFABRICATION METHOD USING PHOTOSENSITIVE NANOCRYSTALS AND DISPLAY DEVICE - Example embodiments provide a three-dimensional microfabrication method using photosensitive nanocrystals is provided. The method comprises the steps of preparing a photosensitive composition comprising a photocurable compound and nanocrystals whose surface is coordinated with a compound having a photosensitive group, applying the photosensitive composition to a substrate and drying the photosensitive composition to form a thin film, and subjecting the thin film to three-dimensional microfabrication. According to the method, nanocrystals are arranged in a three-dimensional array to form photonic crystals or a three-dimensional structure. The three-dimensional structure can be used for the fabrication of micro-electro-mechanical systems (MEMS), thus contributing to the manufacture of display devices and electronic devices on a nanometer scale. Example embodiments also provide a display device using the three-dimensional structure of nanocrystals. | 03-19-2009 |
| 20090127576 | NANOCRYSTAL LIGHT-EMITTING DIODE - A nanocrystal light-emitting diode with improved structural stability is disclosed. Specifically, the nanocrystal light-emitting diode comprises an excitation source, a nanocrystal-containing light conversion layer and an air layer formed therebetween to be exposed to the outside. | 05-21-2009 |
| 20090239074 | Method of preparing cadmium sulfide nanocrystals emitting light at multiple wavelengths, and cadmium sulfide nanocrystals prepared by the method - A semiconductor nanocrystal, wherein the semiconductor nanocrystal shows maximum luminescence peaks at two or more wavelengths and most of the atoms constituting the nanocrystal are present at the surface of the nanocrystal to form defects | 09-24-2009 |
| 20090267050 | METHOD OF PREPARING CADMIUM SULFIDE NANOCRYSTALS EMITTING LIGHT AT MULTIPLE WAVELENGTHS, AND CADMIUM SULFIDE NANOCRYSTALS PREPARED BY THE METHOD - A cadmium sulfide nanocrystal, wherein the cadmium sulfide nanocrystal shows maximum luminescence peaks at two or more wavelengths and most of the atoms constituting the nanocrystal are present at the surface of the nanocrystal to form defects. | 10-29-2009 |
| 20090274188 | Light emitting device and fabrication method thereof - Disclosed herein is a light emitting device with improved life characteristics. The light emitting device comprises a circuit board having a recess, a reflection plane and an excitation source disposed in the recess, an overmolding overlying the reflection plane and the excitation source, a surface-inducing film formed on the overmolding, and a light conversion layer overlying the surface-inducing film. Also disclosed herein is a method for fabricating the light emitting device. | 11-05-2009 |
| 20090289233 | METHOD FOR PREPARING NANOPARTICLES USING CARBENE DERIVATIVES - Disclosed herein is a method for synthesizing a nanoparticle using a carbene derivative. More specifically, provided is a method for synthesizing a nanoparticle by adding one or more precursors to an organic solvent to grow a crystal, wherein a specific carbene derivative is used as the precursor. | 11-26-2009 |
| 20090321755 | NANOCRYSTAL MIXTURE AND LIGHT-EMITTING DIODE USING THE SAME - Disclosed is a light-emitting device. The light-emitting device comprises a blue light-emitting source and a light-emitting source. The light-emitting source includes first semiconductor nanocrystals and second semiconductor nanocrystals. The first and second nanocrystals emit lights of different wavelengths from each other to produce a color complementary to blue. The first and second semiconductor nanocrystals are spatially clustered to form first and second composites respectively. | 12-31-2009 |
| 20100059743 | NANOCRYSTAL-METAL OXIDE COMPOSITE, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a method for preparing nanocrystal-metal oxide composites with long-term stability in a simple and easy manner. Also disclosed herein are nanocrystal-metal oxide composites with high luminescence efficiency and uniform emission wavelengths. Also disclosed herein is a light-emitting device using the composites. | 03-11-2010 |
| 20100148156 | Method for producing nanoparticle/block copolymer composites - A method for producing nanoparticle/block copolymer composites is provided. The method includes mixing nanoparticles having an organic ligand L and a block copolymer A-b-B having block repeating units A and B with different solubility parameters in a solvent S to form micelles by self-assembly. The solubility parameters of the organic ligand L, the block repeating units A and B of the block copolymer A-b-B and the solvent S satisfy the following inequalities: | 06-17-2010 |
| 20100155676 | SEMICONDUCTOR NANOCRYSTAL COMPOSITES - Semiconductor nanocrystal composites are provided. The composites include semiconductor nanocrystals, a radical scavenger and a matrix material. | 06-24-2010 |
| 20100155744 | SEMICONDUCTOR NANOCRYSTAL COMPOSITE - A nanocrystal composite that includes a matrix including semiconductor nanocrystals, and a barrier layer disposed on at least a portion of the surface of the matrix and including a polymer with low oxygen permeability, low moisture permeability, or both. | 06-24-2010 |
| 20100159248 | SEMICONDUCTOR NANOCRYSTALS AND PREPARATION METHODS THEREOF - A nanocrystal includes a core including a Group III-V semiconductor and a transition metal alloyed with the Group III-V semiconductor, wherein the transition metal is present at a higher molar concentration in an outermost surface layer of the core than in a central portion of the core. | 06-24-2010 |
| 20100159249 | PREPARATION METHOD OF NANOCRYSTALS COATED WITH METAL-SURFACTANT LAYERS - A method for preparing nanocrystals is disclosed. The method includes synthesizing colloidal semiconductor nanocrystal cores, and adding a metal salt to the colloidal semiconductor nanocrystal cores and heating the mixture while maintaining the reaction temperature constant. During the reaction, the surfaces of the semiconductor nanocrystal cores are etched (‘in-situ etching’) and metal-surfactant layers are formed on the etched surface portions of the semiconductor nanocrystal cores. The metal-surfactant layers are derived from the metal salt. Nanocrystals prepared by the method have minimal surface defects and exhibit high luminescence efficiency and good stability. | 06-24-2010 |
| 20100187962 | LIGHT-EMITTING UNIT, METHOD OF MANUFACTURING THE SAME, AND A LIGHT SOURCE DEVICE HAVING THE LIGHT-EMITTING UNIT - A light-emitting unit for emitting light includes a light-emitting element and a light-converting layer. The light-converting layer includes a nanoparticle and an additive having an oxidation speed faster than an oxidation speed of the nanoparticle. The light-converting layer is disposed on the light-emitting element to increase the durability of the light-emitting unit. | 07-29-2010 |
| 20110006281 | SEMICONDUCTOR NANOCRYSTAL AND PREPARATION METHOD THEREOF - A semiconductor nanocrystal and a preparation method thereof, where the semiconductor nanocrystal include a bare semiconductor nanocrystal and a water molecule directly bound to the bare semiconductor nanocrystal. | 01-13-2011 |
| 20110006321 | COMPOSITION FOR LIGHT EMITTING BODY-POLYMER COMPOSITE, LIGHT EMITTING BODY-POLYMER COMPOSITE, AND LIGHT EMITTING DEVICE INCLUDING THE LIGHT EMITTING BODY-POLYMER COMPOSITE - A composition for a light emitting body-polymer composite, the composition including a light emitting body; and a cross-linkable composition including a monomer represented by Chemical Formula 1. | 01-13-2011 |
| 20110084250 | NANOPARTICLE COMPLEX, METHOD OF MANUFACTURING THE SAME, AND DEVICE INCLUDING THE NANOPARTICLE COMPLEX - A nanoparticle complex, including a semiconductor nanocrystal; and a metal complex ligand on the surface of the semiconductor nanocrystal. The nanoparticle complex may further include a polymer shell contacting the metal complex ligand. | 04-14-2011 |
