Electrically conductive OLED carrier (100 to 200) comprising in this order: - an organic or mineral glass glazing substrate of refractive index n 1 of 1.3 to 1.6 having a first main face called the first surface; and - an electrode, carried by the glazing substrate on the same side as the first surface, which electrode comprises a layer arranged in a grid (2, 20) called the metal grid, which grid is made of metal(s) having a sheet resistance smaller than 20 Ω/□ and has a thickness e2 of at least 100 nm, the grid being formed from strands, the strands having a width A smaller than or equal to 50 μm and being separated by an inter-strand distance B smaller than or equal to 5000 μm, the strands being separated by a plurality of electrically insulating non-electrically conductive fields of refractive index higher than 1.65, characterized in that, on the same side as the first surface, the carrier comprises: - an electrically insulating light extraction layer (41 to 42) under the metal grid; and - an electrically insulating layer partially structured in its thickness, this layer being of given composition and of refractive index n 3 of 1.7 to 2.3, and being located on the light extraction layer, which partially structured layer is formed: - from a region, located furthest from the light extraction layer, structured with cavities containing the metal grid, this region containing the non-electrically conductive fields; and - from another region, called the low region, located under the metal grid and on the light extraction layer, and in that the grid is set back from the surface called the high surface of the non-electrically conductive fields and the separation H between the high surface and the surface of the metal grid is larger than 100 nm, H being measured between the middle of the surface of the strands and the high surface, and in that the strands have along their length a central zone between lateral zones (22, 22') that are flush with the high surface. - an organic or mineral glass glazing substrate of refractive index n 1 of 1.3 to 1.6 having a first main face called the first surface; and - an electrode, carried by the glazing substrate on the same side as the first surface, which electrode comprises a layer arranged in a grid (2, 20) called the metal grid, which grid is made of metal(s) having a sheet resistance smaller than 20 Ω/□ and has a thickness e2 of at least 100 nm, the grid being formed from strands, the strands having a width A smaller than or equal to 50 μm and being separated by an inter-strand distance B smaller than or equal to 5000 μm, the strands being separated by a plurality of electrically insulating non-electrically conductive fields of refractive index higher than 1.65, - an electrically insulating light extraction layer (41 to 42) under the metal grid; and - an electrically insulating layer partially structured in its thickness, this layer being of given composition and of refractive index n 3 of 1.7 to 2.3, and being located on the light extraction layer, which partially structured layer is formed: - from a region, located furthest from the light extraction layer, structured with cavities containing the metal grid, this region containing the non-electrically conductive fields; and - from another region, called the low region, located under the metal grid and on the light extraction layer,