An optoelectronic device comprises a substrate with a photosensitive structure, a dielectric layer on a main surface of the substrate, the dielectric layer having a top surface facing away from the substrate. At least one wiring layer is arranged in the dielectric layer in places and at least one contact area is formed by a portion of the at least one wiring layer. An opening is formed at the top surface of the dielectric layer, the opening extending towards the contact area. An optical element is arranged on the top surface of the dielectric layer above the photosensitive structure and an optical filter is arranged on the top surface of the dielectric layer, the optical filter being electrically conductive, covering a portion of the optical element and being in electrical contact with the contact area. Furthermore, a method for producing an optoelectronic device is provided.

An optoelectronic device comprises a substrate with a photosensitive structure, a dielectric layer on a main surface of the substrate, the dielectric layer having a top surface facing away from the substrate. At least one wiring layer is arranged in the dielectric layer in places and at least one contact area is formed by a portion of the at least one wiring layer. An opening is formed at the top surface of the dielectric layer, the opening extending towards the contact area. An optical element is arranged on the top surface of the dielectric layer above the photosensitive structure and an optical filter is arranged on the top surface of the dielectric layer, the optical filter being electrically conductive, covering a portion of the optical element and being in electrical contact with the contact area. Furthermore, a method for producing an optoelectronic device is provided.

A dust-proof covering element is provided to close a projection aperture located in the dashboard of a vehicle and through which the information-carrying source light beam projected by the projecting module of a head-up display device passes on its way to a partially reflective return element. The covering element comprises a transparent carrier and an optical coating placed on one of the faces of the carrier; wherein, the optical coating comprises a metal layer with plasmonic properties, said metal layer being endowed with an array of subwavelength nanoperforations, and being configured to allow the extraordinary transmission of one or more restricted bands of wavelengths of the visible spectrum that are centered on the one or more wavelengths of the light beam projected by the projecting module.

A dust-proof covering element is provided to close a projection aperture located in the dashboard of a vehicle and through which the information-carrying source light beam projected by the projecting module of a head-up display device passes on its way to a partially reflective return element. The covering element comprises a transparent carrier and an optical coating placed on one of the faces of the carrier; wherein, the optical coating comprises a metal layer with plasmonic properties, said metal layer being endowed with an array of subwavelength nanoperforations, and being configured to allow the extraordinary transmission of one or more restricted bands of wavelengths of the visible spectrum that are centered on the one or more wavelengths of the light beam projected by the projecting module.

The present invention provides: a laminate which has a polarizer and an optically anisotropic layer and has excellent thermal durability; and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate according to the embodiment of the present invention is a laminate having two substrates, and a polarizing plate disposed between the two substrates, in which the polarizing plate has an optically anisotropic layer and a polarizer, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by Formula (I), the polarizer contains a polyvinyl alcohol-based resin, and a moisture permeability of the substrate is 10.sup.−3 g/m.sup.2.Math.day or less. ##STR00001##

The present invention provides: a laminate which has a polarizer and an optically anisotropic layer and has excellent thermal durability; and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate according to the embodiment of the present invention is a laminate having two substrates, and a polarizing plate disposed between the two substrates, in which the polarizing plate has an optically anisotropic layer and a polarizer, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by Formula (I), the polarizer contains a polyvinyl alcohol-based resin, and a moisture permeability of the substrate is 10.sup.−3 g/m.sup.2.Math.day or less. ##STR00001##

There is provided an anti-reflection film that has an excellent reflection characteristic (low reflectivity) in a wide spectrum and has an excellent reflection hue that is close to neutral, and a method by which such anti-reflection film can be produced with high productivity and at a low cost. An anti-reflection film according to the present invention includes: a substrate; and a medium-refractive index layer, a high-refractive index layer, and a low-refractive index layer in the stated order from a substrate side. A refractive index n.sub.S of the substrate, a refractive index n.sub.M of the medium-refractive index layer, and a refractive index n.sub.H of the high-refractive index layer satisfy the following expression (1): $\begin{array}{c}\frac{n_H-1}{n_H+1}-\sqrt{1-\frac{4n_M^2{n}_S}{{n_M^2\left(1+n_S\right)}^2-(1-}}\end{array}$

There is provided an anti-reflection film that has an excellent reflection characteristic (low reflectivity) in a wide spectrum and has an excellent reflection hue that is close to neutral, and a method by which such anti-reflection film can be produced with high productivity and at a low cost. An anti-reflection film according to the present invention includes: a substrate; and a medium-refractive index layer, a high-refractive index layer, and a low-refractive index layer in the stated order from a substrate side. A refractive index n.sub.S of the substrate, a refractive index n.sub.M of the medium-refractive index layer, and a refractive index n.sub.H of the high-refractive index layer satisfy the following expression (1): $\begin{array}{c}\frac{n_H-1}{n_H+1}-\sqrt{1-\frac{4n_M^2{n}_S}{{n_M^2\left(1+n_S\right)}^2-(1-}}\end{array}$

A transparent substrate includes a stack of thin layers successively including, starting from the substrate, an alternation of three metallic functional layers, in particular of functional layers based on silver or on silver-comprising metal alloy, and of four antireflective coatings, each antireflective coating including at least one dielectric layer, so that each metallic functional layer is positioned between two antireflective coatings, wherein: the thicknesses of the metallic functional layers, starting from the substrate, increase as a function of the distance from the substrate, the second metallic functional layer is directly in contact with a blocking layer, referred to as second blocking layer, chosen from a blocking underlayer and a blocking overlayer, respectively referred to as second blocking underlayer and second blocking overlayer, the second blocking underlayer and/or the second blocking overlayer exhibits a thickness of greater than 1 nm.

A transparent substrate includes a stack of thin layers successively including, starting from the substrate, an alternation of three metallic functional layers, in particular of functional layers based on silver or on silver-comprising metal alloy, and of four antireflective coatings, each antireflective coating including at least one dielectric layer, so that each metallic functional layer is positioned between two antireflective coatings, wherein: the thicknesses of the metallic functional layers, starting from the substrate, increase as a function of the distance from the substrate, the second metallic functional layer is directly in contact with a blocking layer, referred to as second blocking layer, chosen from a blocking underlayer and a blocking overlayer, respectively referred to as second blocking underlayer and second blocking overlayer, the second blocking underlayer and/or the second blocking overlayer exhibits a thickness of greater than 1 nm.