Patent application number | Description | Published |
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 |
20090236983 | METHOD FOR PREPARING MULTILAYER OF NANOCRYSTALS, AND ORGANIC-INORGANIC HYBRID ELECTROLUMINESCENCE DEVICE COMPRISING MULTILAYER OF NANOCRYSTALS PREPARED BY THE METHOD - A method for preparing a multilayer of nanocrystals. The method includes the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals. Further, an organic-inorganic hybrid electroluminescence device using a multilayer of nanocrystals prepared by the method as a luminescent layer. The luminescent efficiency and luminescence intensity of the electroluminescence device can be enhanced, and the electrical properties of the electroluminescence device can be controlled by the use of the multilayer of nanocrystals as a luminescent layer. | 09-24-2009 |
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 |
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 |
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 |
20100173434 | NANOCRYSTAL ELECTROLUMINESCENCE DEVICE AND FABRICATION METHOD THEREOF - A nanocrystal electroluminescence device comprising a polymer hole transport layer, a nanocrystal light-emitting layer and an organic electron transport layer wherein the nanocrystal light-emitting layer is independently and separately formed between the polymer hole transport layer and the organic electron transport layer. According to the nanocrystal electroluminescence device, since the hole transport layer, the nanocrystal light-emitting layer and the electron transport layer are completely separated from one another, the electroluminescence device provides a pure nanocrystal luminescence spectrum having limited luminescence from other organic layers and substantially no influence by operational conditions, such as voltage. Further, a method for fabricating the nanocrystal electroluminescence device. | 07-08-2010 |
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 |
20110121260 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 05-26-2011 |
20110180766 | NANOCRYSTAL-METAL OXIDE-POLYMER COMPOSITES AND PREPARATION METHOD THEREOF - Nanocrystal-metal oxide-polymer composites and their methods of preparation are described. The composites comprises a number of nanocrystals within a metal oxide matrix, and an oligomer or polymer covalently bonded to organic reactive groups of the metal oxide matrix. The composites can be applied to a variety of electronic devices. The electronic devices constructed from the composites do not decrease in performance rapidly due to degradation and exhibit improved stability. | 07-28-2011 |
20110240922 | SEMICONDUCTOR NANOCRYSTAL AND METHOD OF PREPARING THE SAME - A method of preparing a semiconductor nanocrystal including a core or a core and a shell. The method includes contacting (A) a Group II precursor bound with phosphine, a Group III precursor bound with phosphine, or a mixture thereof, and (B) a Group V compound, a Group VI compound, or a mixture thereof, to provide the core or the core and the shell of the semiconductor nanocrystal. | 10-06-2011 |
20110240931 | NANOPARTICLE-RESIN COMPOSITION, NANOPARTICLE-RESIN COMPOSITE, AND METHOD OF MAKING NANOPARTICLE-RESIN COMPOSITE - A nanoparticle-resin composition includes a nanoparticle, a silicone resin having a reactive functional group at its terminal end, and a compound selected from a silane group-containing compound, a silazane compound, or a combination including at least one of the foregoing. In addition, a nanoparticle-resin composite includes a silicone resin matrix including the cure product of a silicone resin having a reactive functional group at its terminal end, a plurality of nanoparticle clusters dispersed in the silicone resin matrix, and a buffer layer encapsulating the nanoparticle cluster. The buffer layer includes a compound selected from a silane group-containing compound, a silazane compound, or a combination including at least one of the foregoing compounds. | 10-06-2011 |
20110241044 | LIQUID CRYSTAL DISPLAY DEVICE INCLUDING WHITE LIGHT EMITTING DIODE - A white light emitting diode and a liquid crystal display device that realizes images using the white light are provided. The white light emitting diode includes a blue light emitting diode (“LED”) light source, and a light conversion layer which converts incident light from the LED light source into white light. The light conversion layer includes green light emitting semiconductor nanocrystal and red light emitting semiconductor nanocrystal. A light emitting peak wavelength of the green light emitting semiconductor nanocrystal is about 520 nanometer (nm) or more, a light emitting peak wavelength of the red semiconductor nanocrystal is about 610 nanometer (nm) or more, and full width at half maximums (FWHMs) of light emitting peaks of the green and red light emitting semiconductor nanocrystals are about 45 nanometer (nm) or less. | 10-06-2011 |
20110287566 | METHOD FOR FABRICATING AN ELECTROLUMINESCENCE DEVICE - A nanocrystal electroluminescence device comprising a polymer hole transport layer, a nanocrystal light-emitting layer and an organic electron transport layer wherein the nanocrystal light-emitting layer is independently and separately formed between the polymer hole transport layer and the organic electron transport layer. According to the nanocrystal electroluminescence device, since the hole transport layer, the nanocrystal light-emitting layer and the electron transport layer are completely separated from one another, the electroluminescence device provides a pure nanocrystal luminescence spectrum having limited luminescence from other organic layers and substantially no influence by operational conditions, such as voltage. Further included is a method for fabricating the nanocrystal electroluminescence device. | 11-24-2011 |
20110291073 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 12-01-2011 |
20110315954 | SEMICONDUCTOR NANOCRYSTAL, METHOD OF MANUFACTURE THEREOF AND ARTICLES INCLUDING THE SAME - A semiconductor nanocrystal including a core including ZnSe, ZnTe, ZnS, ZnO, or a combination comprising at least one of the foregoing, wherein the core has a diameter of about 2 nanometers to about 5 nanometers and an emitted light wavelength of about 405 nanometers to about 530 nanometers; and a first layer disposed on the core, the first layer including a Group III-V semiconductor, wherein the semiconductor nanocrystal has a full width at half maximum of an emitted light wavelength of less than or equal to about 60 nanometers. | 12-29-2011 |
20120001217 | COMPOSITION FOR LIGHT-EMITTING PARTICLE-POLYMER COMPOSITE, LIGHT-EMITTING PARTICLE-POLYMER COMPOSITE, AND DEVICE INCLUDING THE LIGHT-EMITTING PARTICLE-POLYMER COMPOSITE - A composition for manufacture of a light emitting particle-polymer composite, the composition including a light emitting particle, a first monomer including at least two thiol groups, each located at a terminal end of the first monomer, and a second monomer including at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer. | 01-05-2012 |
20120091406 | NANOCRYSTAL-METAL OXIDE-POLYMER COMPOSITES AND PREPARATION METHOD THEREOF - Nanocrystal-metal oxide-polymer composites and their methods of preparation are described. The composites comprises a number of nanocrystals within a metal oxide matrix, and an oligomer or polymer covalently bonded to organic reactive groups of the metal oxide matrix. The composites can be applied to a variety of electronic devices. The electronic devices constructed from the composites do not decrease in performance rapidly due to degradation and exhibit improved stability. | 04-19-2012 |
20120225542 | METHOD FOR PREPARING MULTILAYER OF NANOCRYSTALS, AND ORGANIC-INORGANIC HYBRID ELECTROLUMINESCENCE DEVICE COMPRISING MULTILAYER OF NANOCRYSTALS PREPARED BY THE METHOD - A method for preparing a multilayer of nanocrystals. The method includes the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals. Further, an organic-inorganic hybrid electroluminescence device using a multilayer of nanocrystals prepared by the method as a luminescent layer. | 09-06-2012 |
20120267616 | METHOD FOR PREPARING MULTILAYER OF NANOCRYSTALS, AND ORGANIC-INORGANIC HYBRID ELECTROLUMINESCENCE DEVICE COMPRISING MULTILAYER OF NANOCRYSTALS PREPARED BY THE METHOD - Disclosed herein is a method for preparing a multilayer of nanocrystals. The method comprises the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals. | 10-25-2012 |
20120267703 | Information Storage Medium Using Nanocrystal Particles, Method of Manufacturing the Information Storage Apparatus Including the Information Storage Medium - Provided is an information storage medium using nanocrystal particles, a method of manufacturing the information storage medium, and an information storage apparatus including the information storage medium. The information storage medium includes a conductive layer, a first insulating layer formed on the conductive layer, a nanocrystal layer that is formed on the first insulating layer and includes conductive nanocrystal particles that can trap charges, and a second insulating layer formed on the nanocrystal layer. | 10-25-2012 |
20120288713 | 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. | 11-15-2012 |
20120293063 | OPTOELECTRONIC DEVICE AND STACKING STRUCTURE - Provided is an optoelectronic device that includes: a light source; an emission layer disposed on the light source and including light emitting particles dispersed in a matrix polymer; and a polymer film disposed on the emission layer. The polymer film includes two layers: a first layer including a first polymer and a second layer including a second polymer. The first polymer includes a polymerized product of a first monomer including at least two thiol (—SH) groups and a siloxane-based second monomer or oligomer including at least one carbon-carbon unsaturated bond at a terminal end, and the second polymer includes a polymerized product of a third monomer including at least two thiol (—SH) groups and a fourth monomer including at least two carbon-carbon unsaturated bonds at a terminal end. | 11-22-2012 |
20120313082 | OPTOELECTRONIC DEVICE AND STACKING STRUCTURE - Disclosed is an optoelectronic device that includes a light source, an emission layer disposed on the light source including a light emitting particle dispersed in a matrix polymer, and a polymer film disposed on the emission layer, the polymer film including a polymerized polymer of a first monomer including at least two thiol (—SH) groups and a second monomer including at least two carbon-carbon unsaturated bond-containing groups at a terminal end. | 12-13-2012 |
20130011635 | PHOTOSENSITIVE SEMICONDUCTOR NANOCRYSTALS, PHOTOSENSITIVE COMPOSITION COMPRISING SEMICONDUCTOR NANOCRYSTALS AND METHOD FOR FORMING SEMICONDUCTOR NANOCRYSTAL PATTERN USING THE SAME - An organic-inorganic hybrid electroluminescent device having a semiconductor nanocrystal pattern prepared by producing a semiconductor nanocrystal film using semiconductor nanocrystals, where the nanocrystal is surface-coordinated with a compound containing a photosensitive functional group, exposing the film through a mask and developing the exposed film | 01-10-2013 |
20130062591 | CASE INCLUDING SEMICONDUCTOR NANOCRYSTALS, AND OPTOELECTRONIC DEVICE INCLUDING THE SAME - A case including a case main body, a matrix including a semiconductor nanocrystal, the matrix disposed in the case main body, and a sealant disposed on the case main body, wherein the sealant has a gas permeability of about 1 cubic centimeter at standard temperature and pressure per centimeter per meter squared per day per atmosphere or less and a tensile strength of about 5 megaPascals or more, and wherein the semiconductor nanocrystal is a Group II-VI compound, a Group III-V compound, a Group IV-VI compound, a Group IV element, a Group IV element, a Group IV compound, or a combination thereof. | 03-14-2013 |
20130099212 | LIGHT EMITTING DIODE - A light emitting diode that includes: a light source; a buffer layer disposed on the light source and including a first matrix polymer; a polymer layer disposed on the buffer layer and including an organic/inorganic hybrid polymer; and an emission layer disposed on the polymer layer and including a light emitting particle dispersed in a second matrix polymer, wherein one selected from the light source, the buffer layer, the emission layer, and a combination thereof includes one selected from sulfurous component, a nitrogenous component, and a combination thereof. | 04-25-2013 |
20130099213 | SEMICONDUCTOR NANOCRYSTAL-POLYMER COMPOSITE, METHOD OF PREPARING THE SAME, AND COMPOSITE FILM AND OPTOELECTRONIC DEVICE INCLUDING THE SAME - A semiconductor nanocrystal-polymer composite including a semiconductor nanocrystal, a polymer comprising a plurality of carboxylate anion groups (—COO | 04-25-2013 |
20130105854 | SEMICONDUCTOR NANOCRYSTAL-POLYMER MICRONIZED COMPOSITE, METHOD OF PREPARING THE SAME, AND OPTOELECTRONIC DEVICE | 05-02-2013 |
20130148057 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A backlight unit for a liquid crystal display device, the backlight unit including: an light emitting diode (“LED”) light source; a light conversion layer disposed separate from the LED light source to convert light emitted from the LED light source to white light and to provide the white light to the liquid crystal panel; and a light guide panel disposed between the LED light source and the light conversion layer, wherein the light conversion layer includes a semiconductor nanocrystal and a polymer matrix, and wherein the polymer matrix includes a first polymerized polymer of a first monomer including at least two thiol (—SH) groups, each located at a terminal end of the first monomer, and a second monomer including at least two unsaturated carbon-carbon bonds, each located at a terminal end of the second monomer. | 06-13-2013 |
20130169904 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING SAME - A backlight unit for a liquid crystal display device including an light emitting diode light source; a light conversion layer disposed apart from the light emitting diode light source, wherein the light conversion layer is configured to convert light emitted from the light emitting diode light source to white light and provide the white light to a liquid crystal panel; and a light guide panel disposed between the light emitting diode light source and the light conversion layer, wherein the light conversion layer includes a semiconductor nanocrystal and a polymer matrix, wherein the semiconductor nanocrystal is coated with a first polymer, and wherein the polymer matrix comprises a thermoplastic second polymer. | 07-04-2013 |
20130265522 | FILM FOR BACKLIGHT UNIT AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING SAME - A film for a backlight unit including a semiconductor nanocrystal-polymer composite film including a semiconductor nanocrystal and a matrix polymer in which the semiconductor nanocrystal is dispersed, wherein the matrix polymer is a polymer produced by a polymerization of a multifunctional photo-curable oligomer, a mono-functional photo-curable monomer, and a multifunctional photo-curable cross-linking agent, the multifunctional photo-curable oligomer has an acid value of less than or equal to about 0.1 mg of KOH/g, and a content (A | 10-10-2013 |
20140117286 | COMPOSITION FOR PREPARING SEMICONDUCTOR NANOCRYSTAL PARTICLE, AND METHOD OF PREPARING SEMICONDUCTOR NANOCRYSTAL USING SAME - A composition for preparing a semiconductor nanocrystal, the composition including (i) a Group II and/or Group III precursor, (ii) a Group VI and/or Group V precursor, (iii) an acid anhydride or acyl halide, and (iv) a solvent. | 05-01-2014 |
20140117292 | SEMICONDUCTOR NANOCRYSTAL, AND METHOD OF PREPARING THE SAME - A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSe | 05-01-2014 |
20140131740 | WHITE LIGHT EMITTING DEVICE - A light emitting device including: a blue light source; a phosphor; and a semiconductor nanocrystal, and emits white light having a R1-R8 average color rendering index (“CRI”) of greater than or equal to about 90, and a R9 red color rendering index (R9) of greater than or equal to about 90. | 05-15-2014 |
20140158938 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 06-12-2014 |
20140158979 | QUANTUM DOT PHOSPHOR FOR LIGHT EMITTING DIODE AND METHOD OF PREPARING THE SAME - Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured. | 06-12-2014 |
20140295410 | CONJUGATE OF A METAL NANOPARTICLE AND A LIGHT EMITTING MATERIAL - Disclosed are a conjugate of a metal nanoparticle including a magnetic core and at least one light emitting material linked to the metal nanoparticle through a linker, wherein the linker has an affinity for a biological material and has changed structure after contacting a biological material, a biosensor including the conjugate, and a method of measuring a concentration of specific biological material in a biological sample using the conjugate or the biosensor. | 10-02-2014 |
20140361228 | PROCESSES FOR SYNTHESIZING NANOCRYSTALS - A process of synthesizing nanocrystals, the process including: obtaining a metal precursor, a non-metal precursor, a ligand compound, and an ionic liquid; and contacting the metal precursor, the non-metal precursor, the ligand compound, and the ionic liquid to form a mixture and synthesize a first semiconductor nanocrystal. | 12-11-2014 |
20150041715 | METHODS OF GRINDING SEMICONDUCTOR NANOCRYSTAL POLYMER COMPOSITE PARTICLES - A method of grinding a semiconductor nanocrystal-polymer composite, the method including obtaining a semiconductor nanocrystal-polymer composite including a semiconductor nanocrystal and a first polymer, contacting the semiconductor nanocrystal-polymer composite with an inert organic solvent; and grinding the semiconductor nanocrystal-polymer composite in the presence of the inert organic solvent to grind the semiconductor nanocrystal-polymer composite. | 02-12-2015 |
20150062967 | LIGHT CONVERSION DEVICE AND MANUFACTURING METHOD THEREOF, AND LIGHT SOURCE UNIT INCLUDING THE LIGHT CONVERSION DEVICE - A light source unit includes a light guide plate which includes a front surface and a rear surface which are opposite to each other and a side between and connecting the front surface and the rear surface, a light conversion device on the side of the light guide plate; and a light source which generates and supplies light to the light conversion device. The light conversion device includes, a sealed tube, a light conversion member within the sealed tube and a space other than an area in the tube which is occupied by the light conversion member, defined in the tube | 03-05-2015 |
20150083969 | Nanocrystal particles and processes for synthesizing the same - A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide | 03-26-2015 |