Abstract: A process for manufacturing a mask having submillimetric openings, in which: for a masking layer, a solution of colloidal nanoparticles that are stabilized and dispersed in a first solvent is deposited, the particles having a given glass transition temperature Tg, the drying of the masking layer is carried out at a temperature below the temperature Tg until a mask having a two-dimensional network of submillimetric openings is obtained with substantially straight mask area edges, in a zone referred to as a network mask zone, a zone free of masking is formed on the face by mechanical and/or optical removal of at least one peripheral portion of the network mask zone. The invention also relates to the network mask and the grid with an electroconductive solid zone that are thus obtained.

Abstract: The subject of the present invention is a multilayer electrode (3), acid etching thereof and also organic light-emitting devices incorporating it. The multilayer electrode, known as a lower electrode for an organic light-emitting device (10), successively comprises: —a contact layer (31) based on a metal oxide and/or a metal nitride; a functional metallic layer (32) having intrinsic electrical conductivity properties; a thin blocking layer (32) directly on the functional layer, the layer comprising a metallic layer having a thickness less than or equal to 5 nm and/or a layer with a thickness less than or equal to 10 nm, which is based on a substoichiometric metal oxide, substoichiometric metal oxynitride or substoichiometric metal nitride; a coating comprising an overlayer based on a metal oxide (34) for adapting the work function.

Abstract: A substrate for an organic light-emitting device, includes a transparent substrate having an optical index n0, bearing, on a first main face, a first transparent or semi-transparent coating of an electrode, referred to as the lower electrode, with a sheet resistance less than or equal to 6?/? and which includes the following stack of layers: an anti-reflection sublayer having a given optical thickness L1 and having an optical index n1 such that the ratio of n1 to n0 is greater than or equal to 6/5; a first metallic layer having a given thickness e1; a first separating layer, having a given optical thickness L2; a second metallic layer, having an intrinsic electrical conductivity property, and having a given thickness e2; and an overlayer for adapting the work function, L1 being between 20 nm and 120 nm, L2 between 75 nm and 200 nm, and the sum of the thicknesses e1+e2 of the first and second metallic layers being less than or equal to 40 nm.

Abstract: A process for manufacturing a mask having submillimetric openings, in which: for a masking layer, a first solution of colloidal nanoparticles in a first solvent is deposited, the particles having a given glass transition temperature Tg, the drying of the masking layer, known as the first masking layer, is carried out at a temperature below said temperature Tg until a mask having a two-dimensional network of substantially straight-edged submillimetric openings, that defines a mask zone known as a network mask zone is obtained, a solid mask zone is formed by a liquid deposition, on the face, of a second masking zone, the solid mask zone being adjacent to and in contact with the network mask zone, and/or at least one cover zone is formed, the cover zone being in contact with the network mask zone, and/or after the drying of the first masking layer, a filled mask zone is formed by filling, via a liquid route, openings of a portion of the network mask zone.

Abstract: A substrate bearing, on one main face, a composite electrode, which includes an electroconductive network formed from strands made of an electroconductive material based on a metal and/or a metal oxide, and having a light transmission of at least 60% at 550 nm, the space between the strands of the network being filled by a material referred to as an insulating fill material. The composite electrode also includes an electroconductive coating covering the electroconductive network, and in electrical connection with the strands and in contact therewith, having a thickness greater than or equal to 40 nm, of resistivity ?1 less than 105 ?·cm and greater than the resistivity of the network, the coating forming a smoothed outer surface of the electrode. The composite electrode additionally has a sheet resistance less than or equal to 10?/?.

Abstract: A process for manufacturing an encapsulated OLED device, which includes, after encapsulation of the device, a step of ultrasonic soldering at a first edge of the lower electrode, forming a lower electrical connection zone with a solder pad extending from the encapsulation surface as far at least as the surface of the lower electrode, and/or a step of ultrasonic soldering in an upper electrical connection zone with a solder pad extending from the encapsulation surface as far at least as the surface of the upper electrode.

Abstract: The invention relates to a substrate for an organic light-emitting device especially a transparent glass substrate, which includes, on a first main face a bottom electrode film the electrode film being formed from a thin-film multilayer coating comprising, in succession, at least a contact layer based on a metal oxide and/or a metal nitride; a metallic functional layer having an intrinsic electrical conductivity property; an overlayer based on the metal oxide and/or a metal nitride, especially for matching the work function of said electrode film, said substrate including a base layer, the base layer covering the main face.

Abstract: The present invention relates to an organic light-emitting device including a substrate, a first electrode and a second electrode on one face of the substrate, at least the first electrode being semitransparent or transparent; and an organic electroluminescent layer sandwiched between the first and second electrodes, the first electrode including a diffusing electroconductive layer having a haze of 2% or higher which is on the side where light emitted by the device is output.

Abstract: An encapsulated light-emitting device including a light-emitting system including an electroluminescent active layer positioned on a protective substrate and between two electrodes, a protective cover for the electroluminescent layer, attached to the substrate, a sealant sealing against liquid water and water vapor, a surround over the circumference of the device, made of at least one metal part or made of at least one plastic or glass part having a metal portion, the metal part or metal portion being used at least for a first electrical connection to one of the electrodes, or including at least one electroconductive layer deposited over one of the edges of the side of the substrate or of the cover and jutting out, between the surround and the substrate or the cover, for a first electrical connection to one of the electrodes.

Abstract: A substrate bearing, on one main face, a composite electrode, which includes an electroconductive network which is a layer formed from strands made of an electroconductive material based on a metal and/or a metal oxide, and having a light transmission of at least 60% at 550 nm, the space between the strands of the network being filled by an electroconductive fill material. The composite electrode also includes an electroconductive coating, which may or may not be different from the fill material, covering the electroconductive network, and in electrical connection with the strands, having a thickness greater than or equal to 40 nm, of resistivity ?1 less than 105 ?·cm and greater than the resistivity of the network, the coating forming a smoothed outer surface of the electrode. The composite electrode additionally has a sheet resistance less than or equal to 10?/?.

Abstract: A substrate for an organic light-emitting device, especially a transparent glass substrate, which includes, on a first main face, a bottom electrode film, the electrode film being formed from a thin-film multilayer coating comprising, in succession, at least: a contact layer based on a metal oxide and/or a metal nitride; a metallic functional layer having an intrinsic electrical conductivity property; an overlayer based on the metal oxide and/or a metal nitride, especially for matching the work function of said electrode film, said substrate including a base layer, said base layer covering said main face.

Abstract: The invention relates to a luminous panel (100) comprising: a transparent flat substrate (1) having an edge face (13), two main faces (11, 12) and a given thickness; at least one direct light region (31, 32) by means of a light source (2) associated with one of the main faces (12); a source (2) of visible and/or ultraviolet radiation, said radiation being guided by total reflections in the thickness of the substrate; and at least one extraction zone (41) for extracting the guided radiation, said extraction zone being associated with one of the main faces in order to form another luminous region (33) separate from the direct light region, and, on the same side as the main face (11) associated with the extraction zone (41), the direct light region (31) has a lower luminance than the luminance of the other luminous region (33).

Abstract: A process for manufacturing a mask having submillimetric openings, in which: for a masking layer, a first solution of colloidal nanoparticles in a first solvent is deposited, the particles having a given glass transition temperature Tg, the drying of the masking layer, known as the first masking layer, is carried out at a temperature below said temperature Tg until a mask having a two-dimensional network of substantially straight-edged submillimetric openings, that defines a mask zone known as a network mask zone is obtained, a solid mask zone is formed by a liquid deposition, on the face, of a second masking zone, the solid mask zone being adjacent to and in contact with the network mask zone, and/or at least one cover zone is formed, the cover zone being in contact with the network mask zone, and/or after the drying of the first masking layer, a filled mask zone is formed by filling, via a liquid route, openings of a portion of the network mask zone.

Abstract: A process for manufacturing a mask having submillimetric openings, in which: for a masking layer, a solution of colloidal nanoparticles that are stabilized and dispersed in a first solvent is deposited, the particles having a given glass transition temperature Tg, the drying of the masking layer is carried out at a temperature below the temperature Tg until a mask having a two-dimensional network of submillimetric openings is obtained with substantially straight mask area edges, in a zone referred to as a network mask zone, a zone free of masking is formed on the face by mechanical and/or optical removal of at least one peripheral portion of the network mask zone. The invention also relates to the network mask and the grid with an electroconductive solid zone that are thus obtained.

Abstract: A substrate for an organic light-emitting device, includes a transparent substrate having an optical index n0, bearing, on a first main face, a first transparent or semi-transparent coating of an electrode, referred to as the lower electrode, with a sheet resistance less than or equal to 6?/? and which includes the following stack of layers: an anti-reflection sublayer having a given optical thickness L1 and having an optical index n1 such that the ratio of n1 to n0 is greater than or equal to 6/5; a first metallic layer having a given thickness e1; a first separating layer, having a given optical thickness L2; a second metallic layer, having an intrinsic electrical conductivity property, and having a given thickness e2; and an overlayer for adapting the work function, L1 being between 20 nm and 120 nm, L2 between 75 nm and 200 nm, and the sum of the thicknesses e1+e2 of the first and second metallic layers being less than or equal to 40 nm.

Abstract: A substrate bearing, on one main face, a composite electrode, which includes an electroconductive network which is a layer formed from strands made of an electroconductive material based on a metal and/or a metal oxide, and having a light transmission of at least 60% at 550 nm, the space between the strands of the network being filled by an electroconductive fill material. The composite electrode also includes an electroconductive coating, which may or may not be different from the fill material, covering the electroconductive network, and in electrical connection with the strands, having a thickness greater than or equal to 40 nm, of resistivity ?1 less than 105 ?·cm and greater than the resistivity of the network, the coating forming a smoothed outer surface of the electrode. The composite electrode additionally has a sheet resistance less than or equal to 10?/?.

Abstract: A substrate bearing, on one main face, a composite electrode, which includes an electroconductive network formed from strands made of an electroconductive material based on a metal and/or a metal oxide, and having a light transmission of at least 60% at 550 nm, the space between the strands of the network being filled by a material referred to as an insulating fill material. The composite electrode also includes an electroconductive coating covering the electroconductive network, and in electrical connection with the strands and in contact therewith, having a thickness greater than or equal to 40 nm, of resistivity ?1 less than 105 ?.cm and greater than the resistivity of the network, the coating forming a smoothed outer surface of the electrode. The composite electrode additionally has a sheet resistance less than or equal to 10?/?.

Abstract: The subject of the present invention is a multilayer electrode (3), acid etching thereof and also organic light-emitting devices incorporating it. The multilayer electrode, known as a lower electrode for an organic light-emitting device (10), successively comprises:—a contact layer (31) based on a metal oxide and/or a metal nitride; a functional metallic layer (32) having intrinsic electrical conductivity properties; a thin blocking layer (32) directly on the functional layer, the layer comprising a metallic layer having a thickness less than or equal to 5 nm and/or a layer with a thickness less than or equal to 10 nm, which is based on a substoichiometric metal oxide, substoichiometric metal oxynitride or substoichiometric metal nitride; a coating comprising an overlayer based on a metal oxide (34) for adapting the work function.

Abstract: The subject of the invention is a substrate for an organic light-emitting device (10) bearing a discontinuous electrode (2a to 2?c) having a metallic functional layer having an intrinsic electrical conductivity property, between a contact layer and an overlayer, the electrode having a surface resistance equal to or less than 5 ?/? for a functional layer thickness of less than 100 nm, the electrode being in the form of at least one row of electrode zones, each electrode zone having a first dimension (l) of at least 3 cm in the direction (X) of said row, the electrode zones of each row being spaced apart by what is called the intra-row distance (d1), this being equal to or less than 0.5 mm. The subject of the invention is also an organic light-emitting device (10) incorporating this electrode and the fabrication of this electrode and of this device.

Abstract: The invention relates to a substrate (1) for an organic light-emitting device (10), especially a transparent glass substrate, which includes, on a first main face (11), a bottom electrode film (3), the electrode film (3) being formed from a thin-film multilayer coating comprising, in succession, at least: a contact layer (31) based on a metal oxide and/or a metal nitride; a metallic functional layer (32) having an intrinsic electrical conductivity property; an overlayer (34) based on the metal oxide and/or a metal nitride, especially for matching the work function of said electrode film, said substrate including a base layer (2), said base layer (2) covering said main face (11).