Patent application number | Description | Published |
20090054266 | Microfluidic transfer pin - A liquid dispenser for a microfluidic assay system is described. The dispenser includes at least one transfer pin for transferring a microfluidic sample of liquid to a target receptacle. A pin tip at one end of the transfer pin is structured to cooperate with an opening in the target receptacle. The tip uses capillary action to transfer the sample from the pin to the receptacle. | 02-26-2009 |
20090062134 | ASSAY IMAGING APPARATUS AND METHODS - A method of conducting an assay on a plurality of samples is provided. The method includes the steps of performing an assay at each sample site in a sample array having greater than 100 sample sites simultaneously illuminating each sample site using one or more LEDs, and simultaneously imaging each of the sample sites to produce imaging data pertinent to the optical effect of each site. Each assay provides an optical effect. | 03-05-2009 |
20090062152 | THERMAL CYCLING APPARATUS AND METHOD - A thermal cycling device and a method of thermal cycling are provided. A thermal cycling device includes a fluid device system, a case, and a cycling head. The fluid delivery system develops a flow of controlled-temperature fluid. The case has a fluid-tight cavity for holding a microfluidic array. The array includes a sheet of material having a pair of opposed surfaces, a thickness, and a plurality of through-holes running through the thickness between the surfaces. The cycling head holds the case and delivers the flow of fluid over the case. | 03-05-2009 |
20100261159 | Apparatus for assay, synthesis and storage, and methods of manufacture, use, and manipulation thereof - The invention features methods of making devices, or “platens”, having a high-density array of through-holes, as well as methods of cleaning and refurbishing the surfaces of the platens. The invention further features methods of making high-density arrays of chemical, biochemical, and biological compounds, having many advantages over conventional, lower-density arrays. The invention includes methods by which many physical, chemical or biological transformations can be implemented in serial or in parallel within each addressable through-hole of the devices. Additionally, the invention includes methods of analyzing the contents of the array, including assaying of physical properties of the samples. | 10-14-2010 |
20110003699 | Thermal Cycler for Microfluidic Array Assays - A system for thermal cycling a plurality of samples. The system includes a case having a fluid-tight cavity defining an interior volume. A microfluidic array is disposed in the interior volume, the array including a sheet of material having a pair of opposed surfaces, a thickness, and a plurality of through-holes running through the thickness between the surfaces. A thermal cycler having at least one thermally controlled surface is adapted to thermally contact the case. | 01-06-2011 |
20120021951 | Apparatus for Assay, Synthesis and Storage, and Methods of Manufacture, Use, and Manipulation Thereof - The invention features methods of making devices, or “platens”, having a high-density array of through-holes, as well as methods of cleaning and refurbishing the surfaces of the platens. The invention further features methods of making high-density arrays of chemical, biochemical, and biological compounds, having many advantages over conventional, lower-density arrays. The invention includes methods by which many physical, chemical or biological transformations can be implemented in serial or in parallel within each addressable through-hole of the devices. Additionally, the invention includes methods of analyzing the contents of the array, including assaying of physical properties of the samples. | 01-26-2012 |
20120164748 | Nanoliter Array Loading - An interface is provided for storing microfluidic samples in a nanoliter sample chip. A fluid access structure provides a fluid access region to a selected subset of sample wells from an array of sample wells. A fluid introduction mechanism introduces a sample fluid to the fluid access region so that the sample wells in the selected subset are populated with the sample fluid without the unselected sample wells being populated with the sample fluid. | 06-28-2012 |
20120245038 | THERMAL CYCLING APPARATUS AND METHOD - A system for holding at least one of sample and reagent for analysis. The system includes a pair of parallel covers, at least one of which is light transmissive, of which pair a light transmissive cover forms a top, and of which pair the other forms a bottom. A frame is disposed between the covers to define, in relation to the covers, an interior volume. The frame and the covers are associated with one another to form a case, the case being substantially tight to liquids. A microfluidic array is disposed in the interior volume. The array includes a sheet of material having a pair of opposed surfaces, a thickness, and a plurality of through-holes running through the thickness between the surfaces, the through-holes containing at least one of sample and reagent. | 09-27-2012 |
20140031262 | Nanoliter Array Loading - An interface is provided for storing microfluidic samples in a nanoliter sample chip. A fluid access structure provides a fluid access region to a selected subset of sample wells from an array of sample wells. A fluid introduction mechanism introduces a sample fluid to the fluid access region so that the sample wells in the selected subset are populated with the sample fluid without the unselected sample wells being populated with the sample fluid. | 01-30-2014 |
20140179566 | Thermal Cycling Apparatus and Method - A system for holding at least one of sample and reagent for analysis. The system includes a pair of parallel covers, at least one of which is light transmissive, of which pair a light transmissive cover forms a top, and of which pair the other forms a bottom. A frame is disposed between the covers to define, in relation to the covers, an interior volume. The frame and the covers are associated with one another to form a case, the case being substantially tight to liquids. A microfluidic array is disposed in the interior volume. The array includes a sheet of material having a pair of opposed surfaces, a thickness, and a plurality of through-holes running through the thickness between the surfaces, the through-holes containing at least one of sample and reagent. | 06-26-2014 |
Patent application number | Description | Published |
20090162011 | Compositions, optical component, system including an optical component, devices, and other products - A composition useful for altering the wavelength of visible or invisible light is disclosed. The composition comprising a solid host material and quantum confined semiconductor nanoparticles, wherein the nanoparticles are included in the composition in amount in the range from about 0.001 to about 15 weight percent based on the weight of the host material. The composition can further include scatterers. An optical component including a waveguide component and quantum confined semiconductor nanoparticles is also disclosed. A device including an optical component is disclosed. A system including an optical component including a waveguide component and quantum confined semiconductor nanoparticles and a light source optically coupled to the waveguide component is also disclosed. A decal, kit, ink composition, and method are also disclosed. A TFEL including quantum confined semiconductor nanoparticles on a surface thereof is also disclosed. | 06-25-2009 |
20100243053 | Photovoltaic devices including quantum dot down-conversion materials useful for solar cells and materials including quantum dots - A photovoltaic device includes a heat transfer material comprising a dispersion of down-conversion quantum dots in a host medium. In certain embodiments, the host medium comprises a liquid or fluid. In certain embodiments, a heat transfer material comprises a dispersion of down-conversion quantum dots in a host medium comprising one or more heat-transfer fluids. A heat transfer material including quantum dots is also disclosed. Such devices and heat transfer materials can be useful for light energy conversion, e.g., in solar cells. Solar cells are also disclosed. | 09-30-2010 |
20100265307 | Compositions and methods including depositing nanomaterial - An ink composition comprising a nanomaterial and a liquid vehicle, wherein the liquid vehicle comprises a composition including one or more functional groups that are capable of being cross-linked is disclosed. An ink composition comprising a nanomaterial, a liquid vehicle, and scatterers is also disclosed. An ink composition comprising a nanomaterial and a liquid vehicle, wherein the liquid vehicle comprises a perfluorocompound is further disclosed. A method for inkjet printing an ink including nanomaterial and a liquid vehicle with a surface tension that is not greater than about 25 dyne/cm is disclosed. In certain preferred embodiments, the nanomaterial comprises semiconductor nanocrystals. Devices prepared from inks and methods of the invention are also described. | 10-21-2010 |
20100283072 | Quantum dot-based light sheets useful for solid-state lighting - A quantum dot-based light sheet or film is disclosed. In certain embodiments, a quantum dot-based light sheet includes one or more films or layers comprising quantum dots (QD) disposed on at least a portion of a surface of a waveguide and one or more with LEDs optically coupled to the waveguide. The film or layer can be continuous or discontinuous. The film or layer can optionally further include a host material in which the quantum dots are dispersed. A solid state light-device including a quantum-dot based sheet or film or optical component disclosed herein is also provided. | 11-11-2010 |
20100314646 | Compositions, optical component, system including an optical component, devices, and other products - The present inventions relate to optical components which include quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles include a ligand attached to a surface thereof, the ligand being represented by the formula: X-Sp-Z, wherein: X represents a primary amine group, a secondary amine group, a urea, a thiourea, an imidizole group, an amide group, an other nitrogen containing group, a carboxylic acid group, a phosphonic or arsonic acid group, a phosphinic or arsinic acid group, a phosphate or arsenate group, a phosphine or arsine oxide group; Sp represents a spacer group, such as a group capable of allowing a transfer of charge or an insulating group; and Z represents: (i) a reactive group capable of communicating specific chemical properties to the nanocrystal as well as provide specific chemical reactivity to the surface of the nanocrystal, and/or (ii) a group that is cyclic, halogenated, or polar a-protic. Compositions, systems, kits, films, inks, and TFEL lamps are also disclosed. | 12-16-2010 |
20110081538 | PARTICLES INCLUDING NANOPARTICLES, USES THEREOF, AND METHODS - The present invention relates to nanoparticles encapsulated within a host material. In one embodiment, a particle comprises a host material including nanoparticles with light-transmissive properties dispersed therein. Other embodiments relate to a powder comprising a particle of the invention, a composition including a particle of the invention, a formulation including a particle of the invention, a coating comprising a particle of the invention, a method for making a particle of the invention, and products and applications including a particle of the invention. In preferred embodiments, a nanoparticle comprises a semiconductor nanocrystal. In preferred embodiments, a host material comprises a wax. | 04-07-2011 |
20110103064 | SOLID STATE LIGHTING DEVICES INCLUDING QUANTUM CONFINED SEMICONDUCTOR NANOPARTICLES, AN OPTICAL COMPONENT FOR A SOLID STATE LIGHTING DEVICE, AND METHODS - A solid state lighting device including a light source capable of emitting white light including a blue spectral component and having a deficiency in a spectral region, and an optical component that is positioned to receive at least a portion of the light generated by the light source, the optical component comprising an optical material for converting at least a portion of the blue spectral component of the light to one or more predetermined wavelengths such that light emitted by the solid state lighting device includes light emission from the light source supplemented with light emission at one or more predetermined wavelengths, wherein the optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is lighting fixture, a cover plate for a lighting fixture and a method. | 05-05-2011 |
20110186811 | OPTICAL COMPONENTS, SYSTEMS INCLUDING AN OPTICAL COMPONENT, AND DEVICES - A lighting system including a light source capable of generating light, and an optical component optically coupled to receive at least a portion of the light generated by the light source and convert at least a portion of the light so received to a predetermined wavelength such that the light emitted by the lighting system includes light emission from the light source supplemented with light emission at the predetermined wavelength, wherein the optical component including an optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is an optical component comprising a light guide plate and an optical material disposed over at least a portion of a surface of the light guide plate, the optical material comprising quantum confined semiconductor nanoparticles capable of emitting light in a predetermined spectral region. Devices are also disclosed. | 08-04-2011 |
20110199555 | LIGHTING SYSTEMS & DEVICES INCLUDING SAME - A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (LED) and one or more phosphors optically coupled to the LED to convert at least a portion of original light emitted by the LED to provide a modified LED light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified LED light and to convert at least a portion of the modified LED light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle. A device including a lighting system is also disclosed. | 08-18-2011 |
20110233483 | COMPOSITIONS, OPTICAL COMPONENT, SYSTEM INCLUDING AN OPTICAL COMPONENT, DEVICES, AND OTHER PRODUCTS - The present inventions relate to optical components which include quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles include a ligand attached to a surface thereof, the ligand being represented by the formula X-Sp-Z, wherein: X represents: a primary amine group, a secondary amine group, a urea, a thiourea, an imidizole group, an amide group, a carboxylic acid or carboxylate group; a phosphoric acid group, a phosphate group, a phosphite group, a phosphinic acid group, a phosphinate group, a phosphine oxide group, a phosphinite group, a phosphine group, an arsenic acid group, an arsenate group, an arsenous acid group, an arsenate group, an arsinic acid group, an arsine oxide group, or an arsine group; Sp represents a group capable of allowing a transfer of charge or an insulating group; and | 09-29-2011 |
20110245533 | NANOPARTICLE INCLUDING MULTI-FUNCTIONAL LIGAND AND METHOD - A nanoparticle including an inorganic core comprising at least one metal and/or at least one semi-conductor compound comprising at least one metal includes a coating or shell disposed over at least a portion of a surface of the core. The coating can include one or more layers. Each layer of the coating can comprise a metal and/or at least one semiconductor compound. The nanoparticle further includes a ligand attached to a surface of the coating. The ligand is represented by the formula: X-Sp-Z, wherein: X represents: a primary amine group, a secondary amine group, a urea, a thiourea, an imidizole group, an amide group, a carboxylic acid or carboxylate group; a phosphoric acid group, a phosphate group, a phosphite group, a phosphinic acid group, a phosphinate group, a phosphine oxide group, a phosphinite group, a phosphine group, an arsenic acid group, an arsenate group, an arsenous acid group, an arsenite group, an arsinic acid group, an arsine oxide group, or an arsine group; Sp represents a group capable of allowing a transfer of charge or an insulating group; and Z represents a multifunctional group including three or more functional groups capable of communicating a specific property or chemical reactivity to the nanoparticle, wherein at least three of the functional groups are chemically distinct, and wherein Z is not reactive upon exposure to light. Compositions including a nanoparticle in accordance with the invention are also disclosed. Devices including nanoparticle and/or composition in accordance with the invention are disclosed. Methods for preparing nanoparticles in accordance with the invention are disclosed. Other products including a nanoparticle in accordance with the invention are also disclosed. | 10-06-2011 |
20120113671 | QUANTUM DOT BASED LIGHTING - Systems and methods are described that relate to quantum dot (QD) structures for lighting applications. In particular, quantum dots and quantum dot containing inks (comprising mixtures of different wavelength quantum dots) are synthesized for desired optical properties and integrated with an LED source to create a trichromatic white light source. The LED source may be integrated with the quantum dots in a variety of ways, including through the use of a small capillary filled with quantum dot containing ink or a quantum dot containing film placed appropriately within the optical system. These systems may result in improved displays characterized by higher color gamuts, lower power consumption, and reduced cost. | 05-10-2012 |
20120187367 | OPTICAL MATERIALS, OPTICAL COMPONENTS, AND METHODS - An optical component including an optical material comprising quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles are in a charge neutral state. Further disclosed is an optical component including an optical material comprising quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles are in a charge neutral state, and wherein the optical material is at least partially encapsulated. Methods, optical materials, and devices are also disclosed. | 07-26-2012 |
20120189791 | OPTICAL MATERIALS, OPTICAL COMPONENTS, DEVICES, AND METHODS - An optical component including an optical material comprising quantum confined semiconductor nanoparticles, wherein the optical material has a solid state photoluminescent efficiency greater than or equal to 60%. Devices including optical materials and/or optical components and methods are also disclosed. | 07-26-2012 |
20120256141 | PARTICLES INCLUDING NANOPARTICLES, USES THEREOF, AND METHODS - A particle comprising nanoparticles encapsulated within a host material is disclosed, wherein the particle includes a coating disposed over at least a portion of the outer surface of the particle. In certain embodiments, nanoparticles have light-emissive properties. In certain embodiments, the coating covers all or substantially all of the outer surface of the particle. The coating can comprise a resin having low oxygen permeability. In certain embodiments, the coating comprises a polyvinyl alcohol compound. In certain embodiments, the coating comprises a polyvinylidene dichloride compound. Other embodiments relate to a powder comprising a particle of the invention, a composition including a particle of the invention, a formulation including a particle of the invention, a coating comprising a particle of the invention, a method for making a particle of the invention, and products and applications including a particle of the invention. In preferred embodiments, a nanoparticle comprises a semiconductor nanocrystal. | 10-11-2012 |
20120286238 | LIGHTING DEVICES, AN OPTICAL COMPONENT FOR A LIGHTING DEVICE, AND METHODS - A white-light emitting lighting device comprising one or more light emitting light sources (preferably solid state semiconductor light emitting diodes) that emit off-white light during operation, wherein the off-white light includes a spectral output including at least one spectral component in a first spectral region from about 360 nm to about 475 nm, at least one spectral component in a second spectral region from about 475 nm to about 575 nm, and at least one deficiency in at least one other spectral region, and an optical component comprising an optical material for converting at least a portion of the off-white light to one or more predetermined wavelengths, such that light emitted by the lighting device comprises white light, wherein the optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is an optical component, lighting fixture, a cover plate for a lighting fixture, and methods. | 11-15-2012 |
20120313075 | OPTICAL COMPONENT, PRODUCTS INCLUDING SAME, AND METHODS FOR MAKING SAME - An optical component is disclosed that comprises a first substrate, an optical material comprising quantum confined semiconductor nanoparticles disposed over a predetermined region of a first surface of the first substrate, a layer comprising an adhesive material disposed over the optical material and any portion of the first surface of the first substrate not covered by the optical material, and a second substrate disposed over the layer comprising an adhesive material, wherein the first and second substrates are sealed together. In certain embodiments, the optical component further includes a second optical material comprising quantum confined semiconductor nanoparticles disposed between the layer comprising the adhesive material and the second substrate. Method are also disclosed. Also disclosed are products including the optical component. | 12-13-2012 |
20130148376 | STRESS-RESISTANT COMPONENT FOR USE WITH QUANTUM DOTS - A glass tube including quantum dots in a polymerized matrix is described. An optical component and other products including such glass tube, a composition including quantum dots, and methods are also disclosed. | 06-13-2013 |
20140027673 | METHOD OF MAKING COMPONENTS INCLUDING QUANTUM DOTS, METHODS, AND PRODUCTS - A quantum dot formulation substantially free of oxygen and, optionally, substantially free of water and a method of making a quantum dot formulation substantially free of oxygen and, optionally, substantially free of water is described. Also described are products including the quantum dot formulation described herein and related methods. | 01-30-2014 |
20150049491 | METHOD OF MAKING COMPONENTS INCLUDING QUANTUM DOTS, METHODS, AND PRODUCTS - A glass tube including quantum dots under oxygen-free conditions is described. An optical component and other products including such glass tube, a composition including quantum dots, and methods are also disclosed. | 02-19-2015 |
20150086169 | COMPOSITIONS, OPTICAL COMPONENT, SYSTEM INCLUDING AN OPTICAL COMPONENT, DEVICES, AND OTHER PRODUCTS - The present inventions relate to optical components which include quantum confined semiconductor nanoparticles, wherein at least a portion of the nanoparticles include a ligand attached to a surface thereof, the ligand being represented by the formula: X-Sp-Z, wherein: X represents a primary amine group, a secondary amine group, a urea, a thiourea, an imidizole group, an amide group, an other nitrogen containing group, a carboxylic acid group, a phosphonic or arsonic acid group, a phosphinic or arsinic acid group, a phosphate or arsenate group, a phosphine or arsine oxide group; Sp represents a spacer group, such as a group capable of allowing a transfer of charge or an insulating group; and Z represents: (i) a reactive group capable of communicating specific chemical properties to the nanocrystal as well as provide specific chemical reactivity to the surface of the nanocrystal, and/or (ii) a group that is cyclic, halogenated, or polar a-protic. Compositions, systems, kits, films, inks, and TFEL lamps are also disclosed. | 03-26-2015 |