Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The invention provides an electrophoresis cassette to cast electrophoresis gels and to separate and analyze molecular components by electrophoresis. The electrophoresis cassette comprises a top plate assembly, a spacer and a bottom plate. The top plate assembly is seated to the bottom plate with the spacer there between to define a thickness of the electrophoresis cassette and to seal an outer perimeter of the assembly. The top plate assembly includes a cathode reservoir connected to a first terminal end of a central plate, and an anode reservoir connected to a second terminal end of the central plate. When the electrophoresis cassette is assembled, the cathode and anode reservoirs are in alignment with the first and second terminal ends of the central plate to facilitate formation of leak-proof seals between the reservoirs and the assembly components.

Abstract: There is described a novel diffusion transfer photographic system wherein an exposed diffusion transfer photographic film unit is developed with an aqueous alkaline processing composition in the presence of alumina-free titanium dioxide.