Abstract: A device for detecting a sparkle effect of a transparent sample arranged in front of an image source, to which also a first polarizer having an optical axis of polarization is associated, wherein the detection device includes an imaging system, and wherein the transparent sample, the first polarizer and the imaging system are arranged along an optical path originated from the image source. The detection device includes a second polarizer, arranged between the transparent sample and the imaging system, having an optical axis of polarization directed at ninety degrees with respect to the optical axis of polarization of the first polarizer.

Abstract: A device for detecting a sparkle effect of a transparent sample arranged in front of an image source, to which also a first polarizer having an optical axis of polarization is associated, wherein the detection device includes an imaging system, and wherein the transparent sample, the first polarizer and the imaging system are arranged along an optical path originated from the image source. The detection device includes a second polarizer, arranged between the transparent sample and the imaging system, having an optical axis of polarization directed at ninety degrees with respect to the optical axis of polarization of the first polarizer.

Abstract: A method for the manufacture of a component for a motor-vehicle interior with an associated film in which an electronic circuit is integrated with at least one proximity sensor includes the step of thermoforming the film on a mold element and the step of injection of plastic material in a mold cavity in such a way as to obtain a component for interior of motor-vehicle comprising a body of substantially transparent plastic material associated to the film. The component includes one or more proximity sensors for activating a functional component of the motor-vehicle.

Abstract: A method for the manufacture of a component for a motor-vehicle interior with an associated film in which an electronic circuit is integrated with at least one proximity sensor includes the step of thermoforming the film on a mold element and the step of injection of plastic material in a mold cavity in such a way as to obtain a component for interior of motor-vehicle comprising a body of substantially transparent plastic material associated to the film The component includes one or more proximity sensors for activating a functional component of the motor-vehicle.

Abstract: An emitter (F) for incandescent light sources, in particular a filament, capable of being brought to incandescence by the passage of electric current is obtained in such a way as to have a value of spectral absorption ? that is high in the visible region of the spectrum and low in the infrared region of the spectrum, said absorption ? being defined as ?=1????, where ? is the spectral reflectance and ? is the spectral transmittance of the emitter.

Abstract: A method for obtaining a transparent conductive film comprises the steps of providing a transparent substrate, depositing a conductive film, of a thickness not greater than 5 ?m, on the transparent substrate, and removing the entire thickness of conductive film from portions of the surface of the substrate in such a way that the residual parts of the conductive film on the substrate define a pattern formed by lines of a width of between 1 nm and 2 ?m, with distances between the adjacent lines of between 10 nm and 2 ?m, said pattern being predetermined in such a way as to obtain a ratio between full spaces and empty spaces corresponding to a desired degree of optical transmittance for the conductive film.

Abstract: A process for manufacturing an electroluminescent device comprising the steps of: making an organic or inorganic templating frame, comprising monodispersed nanoelements, in particular nanospheres; providing said nanoelements with a sheath consisting of metal nanoparticles, each nanoelement with its sheath of metal nanoparticles forming a core shell. The core shells are assembled together so as to make the three-dimensional percolated layer, having cavities whose size is around wavelength.

Abstract: A light emitting device comprises a substrate, a porous alumina layer having a regular series of cavities of nanometric size containing an emitting material, and two electrodes in contact with the emitting material and connected to an electric voltage source. The first electrode comprises at least part of an aluminum film deposited onto the substrate, on which the alumina layer has been previously grown through an anodization process.

Abstract: In a process to make an emitter (10) for light sources, which can be led to incandescence through the passage of electric current, a layer made of anodized porous alumina (1) is used as sacrificial element for the structuring of at least a part of the emitter (10).

Abstract: A light emitting device comprises a substrate, a porous alumina layer having a regular series of cavities of nanometric size containing an emitting material, and two electrodes in contact with the emitting material and connected to an electric voltage source. The first electrode comprises at least part of an aluminum film deposited onto the substrate, on which the alumina layer has been previously grown through an anodization process.

Abstract: A system for projecting a virtual image within an observer's field of view comprises a support element, a transparent element mounted on the support element and suitable for being placed in front of the observer's eyes, the transparent element comprising a first face and a second face, an image display device suitable for forming an additional image, and a projection and focusing device for projecting the additional image in a manner such as to present it superimposed on the image of the outside world. The display device comprise light-emitting devices disposed on one of the faces of the transparent element, and the projection and focusing device comprise optical elements associated with respective emitting devices and arranged on the other face. Each of the optical elements creates a virtual image of the emitting device associated therewith. The virtual images of the emitting devices together form the additional image.

Abstract: A light-emitting device comprises a structure defining an orderly and periodic series of cavities of nanometric dimensions, in which a process of catalytic combustion is confined. The dimensions and/or the distance between the micro-cavities are selected to obtain a light emission in the visible and prevent and/or attenuate at the same time emission of infrared radiation.

Abstract: A light-emitting device, in particular a backlight device, comprises a transparent substrate (2) having a front surface and a rear surface, in which associated to the rear surface are means for generating an electromagnetic radiation that is able to pass through the substrate and come out of the front surface. According to the invention, the device comprises a layer of porous alumina which operates so as to inhibit propagation of said electromagnetic radiation in the directions parallel to the plane of the substrate, thus improving the efficiency of extraction of light from the substrate and increasing the directionality of the emitted light.

Abstract: The present invention relates to a miniaturized device controlled by electromagnetic signals in the radiofrequency range for controlled release of substances or for controlled sampling of specimens, comprising a reservoir, and a closing system associated to said reservoir, where said closing system is constituted by a valve structure, closing-opening of which is controlled by the electromagnetic signal in the radiofrequency range.

Abstract: A light-emitting device, in particular a backlight device, comprises a transparent substrate (2) having a front surface and a rear surface, in which associated to the rear surface are means for generating an electromagnetic radiation that is able to pass through the substrate and come out of the front surface. According to the invention, the device comprises a layer of porous alumina which operates so as to inhibit propagation of said electromagnetic radiation in the directions parallel to the plane of the substrate, thus improving the efficiency of extraction of light from the substrate and increasing the directionality of the emitted light.

Abstract: The generator comprises at least one source of pressurized gas and a closed hydraulic circuit containing a solution comprising an electrically conducting vehicle liquid in which a charge of micro- or nanoparticles of a metal material is dispersed. The circuit has at least one inlet port connected to the source so that, when in operation, it receives a flow of pressurized gas capable of causing circulation of the solution within the circuit in a predetermined direction, forming a two-phase gas-liquid mixture with it, a restriction in cross section, downstream from the inlet port calibrated in such a way as to cause an increase in velocity and condensation of the two-phase mixture, and at least one outlet port, located downstream from the restriction through which the gas mixed with the solution can be released and discharged from the circuit.

Abstract: In a process to make an emitter (10) for light sources, which can be led to incandescence through the passage of electric current, a layer made of anodized porous alumina (1) is used as sacrificial element for the structuring of at least a part of the emitter (10).

Abstract: A light emitting ambipolar device of the type comprising at least a first and a second main electrode in electrical contact through a light emitting region comprising at least one carrier recombination layer and further comprising one or more further electrodes for controlling recombination in said light emitting region wherein said first and second main electrode and said one or more further electrodes for controlling the recombination in said light emitting region are arranged in planar configuration relative to said region, said one or more further electrodes for controlling the recombination identifying one or more insulating channels with respect to said light emission comprising said at least one carrier recombination layer.

Abstract: An emitter (F) for incandescent light sources, in particular a filament, capable of being brought to incandescence by the passage of electric current is obtained in such a way as to have a value of spectral absorption ? that is high in the visible region of the spectrum and low in the infrared region of the spectrum, said absorption ? being defined as ?=1???T, where ? is the spectral reflectance and T is the spectral transmittance of the emitter.

Abstract: A process for manufacturing an electroluminescent device comprising the steps of: making an organic or inorganic templating frame, comprising monodispersed nanoelements, in particular nanospheres; providing said nanoelements with a sheath consisting of metal nanoparticles, each nanoelement with its sheath of metal nanoparticles forming a core shell. The core shells are assembled together so as to make the three-dimensional percolated layer, having cavities whose size is around wavelength.