Saint-gobain Glass France

Svetoslav Tchakarov

Didier Jousse

Georges Zagdoun

Emmanuel Valentin

Bernard Nghiem

Pascal Reutler

Sophie Besson

Hadia Gerardin

Eric E Mattmann

Guillaume Lecamp

François-Julien Vermersch

Pascal Nael

Alessandro Giassi

Nathalie Rohaut

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 T, the drying of the masking layer is carried out at a temperature below the temperature Tuntil 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.

Method for manufacturing a mask having submillimetric apertures for a submillimetric electrically conductive grid, mask having submillimetric apertures and submillimetric electrically conductive grid

The subject of the present invention is a multilayer electrode (), 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 (), successively comprises: &#x2014;a contact layer () based on a metal oxide and/or a metal nitride; a functional metallic layer () having intrinsic electrical conductivity properties; a thin blocking layer () 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 () for adapting the work function.

Electrode for an organic light-emitting device, acid etching thereof and also organic light-emitting device incorporating it

A substrate for an organic light-emitting device, includes a transparent substrate having an optical index n, 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&#x3a9;/&#x25a1; and which includes the following stack of layers: an anti-reflection sublayer having a given optical thickness Land having an optical index nsuch that the ratio of nto nis greater than or equal to 6/5; a first metallic layer having a given thickness e; a first separating layer, having a given optical thickness L; a second metallic layer, having an intrinsic electrical conductivity property, and having a given thickness e; and an overlayer for adapting the work function, Lbeing between 20 nm and 120 nm, Lbetween 75 nm and 200 nm, and the sum of the thicknesses e+eof the first and second metallic layers being less than or equal to 40 nm.

Substrate for organic light-emitting device, and also organic light-emitting device incorporating it

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 T, the drying of the masking layer, known as the first masking layer, is carried out at a temperature below said temperature Tuntil 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. The invention also relates to the mask and the electroconductive grid obtained.

Method for manufacturing a mask having submillimetric apertures for a submillimetric electrically conductive grid, and mask and submillimetric electrically conductive grid

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 &#x3c1;1 less than 10&#x3a9;&#xb7;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&#x3a9;/&#x25a1;.

Substrate bearing an electrode, organic light-emitting device incorporating it, and its manufacture

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.

Organic light-emitting device and use of a transparent electroconductive layer in an organic light-emitting device

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.

Encapsulated light-emmitting device

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 &#x3c1;less than 10&#x3a9;&#xb7;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&#x3a9;/&#x25a1;.

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.

Substrate for an organic light-emitting device, use and process for manufacturing this substrate, and organic light-emitting device

The invention relates to a luminous panel () comprising:

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Arcueil, France

Svetoslav Tchakarov