Abstract: A luminous structure includes at least one light-emitting diode emitting radiation within the ultraviolet or the visible spectrum, a substantially planar glass element having main faces and an edge around a periphery of the main faces. The glass element includes a hole housing the diode, and a metallic element connected to the diode and coupled with said glass element for removing heat. The metallic element is chosen from an electrical connection element or a holding element for keeping the diode in said hole. The invention also relates to the manufacture of this luminous structure and to its applications.

Abstract: The invention relates to a method for obtaining an external covering of a photovoltaic device, said covering being constituted by a glass substrate having texturing in the form of at least one row of grooves that are mutually parallel and preferably spaced by a regular distance d, said method being characterized in that there is used, for the impression of said texturing, texturing means incorporating reliefs whose spacing is different from the distance d between two rows of grooves on the glass substrate. The invention also relates to a substrate or to a photovoltaic module incorporating a substrate that can be obtained by application of the preceding method.

Abstract: An electroconductive layer (2) designed to be combined with a substrate having a glass function, said layer (2) being composed of a metal grid (9), characterized in that the metal grid (9) consists of a pure metal and in that it is coated with at least one electrochemical protection layer (10), especially a metal layer or a metal nitride layer.

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).

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: The present invention relates to a luminous structure (100) comprising at least one light-emitting diode (3) capable of emitting radiation within the ultraviolet (UV) and/or the visible, a substantially planar glass element (1) having main faces (11, 12) and an edge, the glass element having a hole (2) housing the diode (3), and a metallic element (4) connected to the diode and coupled with said glass element for removing heat, said metallic element being furthermore chosen from an electrical connection element (4) and/or a holding element (4) for keeping the diode in said hole. The invention also relates to the manufacture of this luminous structure and to its applications.

Abstract: The invention relates to an organic light-emitting device comprising: a substrate, especially a transparent substrate; a first electrode and a second electrode on one and the same face of the substrate, at least the first electrode being semitransparent or transparent; and an electroluminescent layer sandwiched between the first and second electrodes, characterized in that the first electrode comprises a diffusing electroconductive layer having a haze of 2% or higher. The invention also relates to the use of a diffusing electroconductive layer having a haze of 2% or higher as electrode closest to the substrate of an organic light-emitting device.

Abstract: A glass substrate including raised glass elements placed over part of an area of the glass substrate, wherein the glass elements are intrinsically incorporated into the glass substrate. Advantageously, the glass substrate is used in a plasma screen for which the front face includes a first electrode array and the rear face, which includes the glass substrate, includes a second electrode array approximately perpendicular to the first array and placed on the external face of the glass substrate, opposite the space lying between the glass elements, while phosphors occupy, surfacewise, the space lying between the glass elements.

Abstract: A glass frame includes a cross-section that has a substantially polygonal profile with at least one re-entrant angle, and is intended to keep two plane substrates separate around their periphery. The frame may keep a space between two glass sheets, such as in the production of plane and hermetically sealed glass envelopes for use as field-emission screens.

Abstract: A spacer for keeping a space between two substrates formed from glass sheets, more particularly a space of small thickness, generally less than a few millimeters, over the entire area of the sheet substrates, in a device such as a display screen, vacuum-type insulating glazing or a flat lamp, the surface of said spacer being at least partly electronically conducting, characterized in that said spacer is formed from a core not exhibiting electronic conductivity, the shape and the constituent material of which are chosen to provide the thermomechanical integrity of the substrates in the final device, said core being at least partly coated with at least one layer of a glass exhibiting electronic conductivity, and capable of giving the spacer electronic conductivity at 50° C. of 10?13 to 10 ohm?1.cm?1.

Abstract: The subject of the present invention is a glass spacer intended to keep two substrates spaced apart, its glass matrix having a volume electronic conductivity advantageously between 10?13 and 10?5 ohm?1·cm?1. According to a variant of the invention, the glass spacer has a modulus of elasticity of greater than 90 GPA.

Abstract: Glass substrate comprising raised glass elements (20) placed over part of its area, characterized in that the glass elements (20) are intrinsically incorporated into the substrate. Advantageously, this substrate is used in a plasma screen for which the front face includes a first electrode array (13a, 13b) and the rear face, which consists of said structured substrate, includes a second electrode array (12) approximately perpendicular to the first array (13a, 13b) and placed on the external face (23) of the structured substrate, opposite the space (21) lying between the raised elements (20), while phosphors (16) occupy, surfacewise, the space (21) lying between the raised elements.

Abstract: A glass spacer, obtained by a drawing process, having an approximately polygonal bearing cross-section with at least one rectangle having the dimensions a, b, and the spacer having a height 1, the dimensions of the glass spacer satisfying the relationship of a<300 &mgr;m, 0.2 mm<1 <20 mm, and b/a<1000, and preferably b/a<200.

Abstract: The subject of the present invention is a glass spacer intended to keep two substrates spaced apart, its glass matrix having a volume electronic conductivity advantageously between 1031 13 and 1031 5 ohm31 1.cm31 1.

Abstract: A glass frame includes a cross-section that has a substantially polygonal profile with at least one re-entrant angle, and is intended to keep two plane substrates separate around their periphery. The frame may keep a space between two glass sheets, such as in the production of plane and hermetically sealed glass envelopes for use as field-emission screens.

Abstract: The subject of the invention is a glass spacer, obtained by a drawing process, having an approximately polygonal bearing cross section with at least one rectilinear bearing surface which falls within a rectangle having the dimensions a, b, and the spacer having a height l, the dimensions of the spacer satisfying the following relationships:

Abstract: This invention concerns a thermally stable glass composition, which comprises the following constituents in the following proportions by weight:______________________________________ SiO.sub.2 45 to 68% Al.sub.2 O.sub.3 0 to 20% ZrO.sub.2 0 to 20% B.sub.2 O.sub.3 0 to 10% Na.sub.2 O 2 to 12% K.sub.2 O 3.5 to 9% CaO 1 to 13% MgO 0 to 8% ______________________________________the sum of the contents of the oxides SiO.sub.2, Al.sub.2 O.sub.3 and ZrO.sub.2 remaining equal to or less than 70%, the sum of the oxides Al.sub.2 O.sub.3 and ZrO.sub.2 being equal to or greater than 2%, the sum of the alkaline oxides Na.sub.2 O and K.sub.2 O being equal to or greater than 8%, said composition comprising, if desired, the oxides BaO and/or SrO in proportions such that:11%.ltoreq.MgO+CaO--BaO+SrO>30%This glass composition may be used for the production of substrates for an emissive screen or for that of a fire-resistant pane.

Abstract: The invention relates to glass substrates intended for use as a support in data storage units, reinforced by surface ion exchanges and whose matrix comprises the constituents given hereinafter in the following weight proportions:______________________________________ SiO.sub.2 45-65% Al.sub.2 O.sub.3 0-20% B.sub.2 O.sub.3 0-5% Na.sub.2 O 4-12% K.sub.2 O 3.5-12% MgO 0-8% CaO 0-13% ZrO.sub.2 0-20% ______________________________________the sum of the oxides SiO.sub.2, Al.sub.2 O.sub.3 and ZrO.sub.2 remaining equal to or below 70%, said composition optionally incorporating the oxides BaO and/or SrO in proportions 11%.ltoreq.MgO+CaO+BaO+SrO.ltoreq.24% and the alkaline oxides are introduced in the following weight percentages 0.22%.ltoreq.Na.sub.2 O/Na.sub.2 O+K.sub.2 O.ltoreq.0.60.

Abstract: This invention concerns a thermally stable glass composition, which comprises the following constituents in the following proportions by weight:______________________________________ SiO.sub.2 45 to 68% Al.sub.2 O.sub.3 0 to 20% ZrO.sub.2 0 to 20% B.sub.2 O.sub.3 0 to 10% Na.sub.2 O 2 to 12% K.sub.2 O 3.5 to 9% CaO 1 to 13% MgO 0 to 8% ______________________________________the sum of the contents of the oxides SiO.sub.2, Al.sub.2 O.sub.3 and ZrO.sub.2 remaining equal to or less than 70%, the sum of the oxides Al.sub.2 O.sub.3 and ZrO.sub.2 being equal to or greater than 2%, the sum of the alkaline oxides Na.sub.2 O and K.sub.2 O being equal to or greater than 8%, said composition comprising, if desired, the oxides BaO and/or SrO in proportions such that:11%.ltoreq.MgO+CaO+BaO+SrO<30%This glass composition may be used for the production of substrates for an emissive screen or for that of a fire-resistant pane.

Abstract: This invention relates to a glass sheet having a low content of alkaline oxides and alkaline-earth oxides, in the composition of which the sum of the alkaline and alkaline-earth oxides is less than or equal to 15%, with a sodium oxide content less than or equal to 10%, the values being expressed in percentages by weight, at least one of the faces of which is constituted of a surface zone virtually devoid, notably, of alkaline ions.