Patents by Inventor Hadia Gerardin
Hadia Gerardin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9708215Abstract: A transparent glass substrate including on a main face a thin-film multilayer coating including a metallic functional layer having reflection properties in the infrared and/or in solar radiation, for example based on silver or a metal alloy containing silver, and two antireflection films. The films each include at least two dielectric layers, the functional layer being placed between the two antireflection films. Each antireflection film includes at least one high-refractive-index dielectric layer located in contact with or close to the functional layer.Type: GrantFiled: March 8, 2010Date of Patent: July 18, 2017Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Hadia Gerardin, Vincent Reymond
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Patent number: 9566766Abstract: A multiple glazing unit with thermal isolation properties, obtained by associating at least two glass substrates, which substrates are separated by gas-filled cavities, the multiple glazing unit incorporating: a first low-E film multilayer including at least one functional metallic film; and a second low-E film multilayer including at least one functional film made of a transparent conductive oxide, and a film made essentially of silicon oxide deposited on the function film made of transparent conductive oxide.Type: GrantFiled: March 23, 2012Date of Patent: February 14, 2017Assignee: SAINT-GOBAIN GLASS FRANCEInventors: Hadia Gerardin, Vincent Reymond
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Patent number: 9028930Abstract: A multiple glazing comprising at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, said coating comprising a single metallic functional layer and two dielectric films, said films each comprising at least one dielectric layer, said functional layer being placed between the two dielectric films, characterized in that at least one dielectric film, or both dielectric films, includes an absorbent layer which is placed in the dielectric film between two dielectric layers, the absorbent material of the absorbent layer(s) being predominantly in the dielectric film subjacent to the metallic functional layer or predominantly in the dielectric film superjacent to the metallic functional layer.Type: GrantFiled: December 22, 2009Date of Patent: May 12, 2015Assignee: Saint-Gobain Glass FranceInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Patent number: 8951617Abstract: The invention relates to a multiple glazing including at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, the coating including a metallic functional layer and at least two dielectric films, each including at least one dielectric layer, the metallic functional layer being placed between the two dielectric films, characterized in that the two dielectric films each include at least one absorbent layer which is placed in the dielectric film between two dielectric layers, the absorbent material of the absorbent layers being symmetrically placed on either side of the metallic functional layer.Type: GrantFiled: December 22, 2009Date of Patent: February 10, 2015Assignee: Saint-Gobain Glass FranceInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Substrate for organic light-emitting device, and also organic light-emitting device incorporating it
Patent number: 8786176Abstract: 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.Type: GrantFiled: December 23, 2008Date of Patent: July 22, 2014Assignee: Saint-Gobain Glass FranceInventors: Guillaume Lecamp, François-Julien Vermersch, Svetoslav Tchakarov, Hadia Gerardin, Alessandro Giassi -
Publication number: 20140010976Abstract: The invention relates to a multiple glazing unit with thermal isolation properties, obtained by associating at least two glass substrates, which substrates are separated by gas-filled cavities, the multiple glazing unit incorporating: a first low-E film multilayer comprising at least one functional metallic film; and a second low-E film multilayer comprising at least one functional film made of a transparent conductive oxide, and a film made essentially of silicon oxide deposited on the function film made of transparent conductive oxide.Type: ApplicationFiled: March 23, 2012Publication date: January 9, 2014Applicant: Saint-Gobain Glass FranceInventors: Hadia Gerardin, Vincent Reymond
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Publication number: 20130168651Abstract: 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.Type: ApplicationFiled: November 26, 2012Publication date: July 4, 2013Inventors: Svetoslav TCHAKAROV, Hadia Gerardin, Pascal Reutler, Didier Jousse, Eric Mattmann, Pascal Nael
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Publication number: 20130129945Abstract: The subject of the invention is a glazing unit comprising a glass substrate (1) equipped on one of its faces, intended to form face 1 of said glazing unit in the use position, with a thin-film multilayer comprising, from the substrate (1), a film (2) of a transparent electrically conductive oxide, an intermediate film (3) having a refractive index lying in the range from 1.40 to 1.55 and having an optical thickness Y, and a photocatalytic film (4) the optical thickness X of which is at most 50 nm, said optical thicknesses X and Y, expressed in nanometers, being such that: 110·e?0.025X?Y?135·e?0.Type: ApplicationFiled: July 20, 2011Publication date: May 23, 2013Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Anne Durandeau, Andriy Kharchenko, Sebastien Roy, Hadia Gerardin, Anne Lorren
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Patent number: 8339031Abstract: 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.Type: GrantFiled: September 5, 2007Date of Patent: December 25, 2012Assignee: Saint-Gobain Glass FranceInventors: Svetoslav Tchakarov, Hadia Gerardin, Pascal Reutler, Didier Jousse, Eric Mattmann, Pascal Nael
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Publication number: 20120028009Abstract: A transparent glass substrate including on a main face a thin-film multilayer coating including a metallic functional layer having reflection properties in the infrared and/or in solar radiation, for example based on silver or a metal alloy containing silver, and two antireflection films. The films each include at least two dielectric layers, the functional layer being placed between the two antireflection films. Each antireflection film includes at least one high-refractive-index dielectric layer located in contact with or close to the functional layer.Type: ApplicationFiled: March 8, 2010Publication date: February 2, 2012Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Hadia Gerardin, Vincent Reymond
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Publication number: 20110305853Abstract: The invention relates to multiple glazing comprising at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, said coating comprising a single metallic functional layer (140) and two dielectric films (120, 160), said films each comprising at least one dielectric layer (122, 126; 162, 166), said functional layer (140) being placed between the two dielectric films (120, 160), characterized in that the two dielectric films (120, 160) each include at least one absorbent layer (123, 165) which is placed in the dielectric film between two dielectric layers (122, 126; 162, 166), the absorbent material of the absorbent layers (123, 165) being symmetrically placed on either side of the metallic functional layer (140).Type: ApplicationFiled: December 22, 2009Publication date: December 15, 2011Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Publication number: 20110300319Abstract: The invention relates to multiple glazing comprising at least two substrates, one substrate being coated on an inner face in contact with a gas-filled cavity with a thin-film multilayer coating having reflection properties in the infrared and/or in solar radiation, said coating comprising a single metallic functional layer (140) and two dielectric films (120, 160), said films each comprising at least one dielectric layer (122, 126; 162, 166), said functional layer (140) being placed between the two dielectric films (120, 160), characterized in that at least one dielectric film (120, 160), or both dielectric films (120, 160), includes an absorbent layer (123, 165) which is placed in the dielectric film between two dielectric layers (122, 126; 162, 166), the absorbent material of the absorbent layer(s) (123, 165) being predominantly in the dielectric film (120) subjacent to the metallic functional layer (140) or predominantly in the dielectric film (160) superjacent to the metallic functional layer (140).Type: ApplicationFiled: December 22, 2009Publication date: December 8, 2011Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Vincent Reymond, Hadia Gerardin, Sylvain Belliot, Veronique Rondeau, Eric Petitjean
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Publication number: 20110070417Abstract: The invention relates to a glass substrate (10) provided on a main face with a stack of thin layers comprising a metallic functional layer (40) with reflective properties in the infrared and/or in solar radiation, based notably on silver or a metal alloy containing silver, and two antireflective coatings (20, 60), each of said coatings having at least one dielectric layer (22, 64) based on silicon nitride, optionally doped with at least one other element, such as aluminum, said functional layer (40) being disposed between the two antireflective coatings (20, 60), characterized in that the optical thickness e60 in nm of the overlying antireflective coating (60) is: e60=5×e40+?, where e40 is the geometric thickness in nm of the functional layer (40) such that 13?e40?25, and preferably 14?e40?18, and where ? is a number=25±15.Type: ApplicationFiled: March 17, 2009Publication date: March 24, 2011Applicant: Saint-Gobain Glass FranceInventors: Pascal Reutler, Hadia Gerardin
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SUBSTRATE FOR ORGANIC LIGHT-EMITTING DEVICE, AND ALSO ORGANIC LIGHT-EMITTING DEVICE INCORPORATING IT
Publication number: 20110037379Abstract: 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.Type: ApplicationFiled: December 23, 2008Publication date: February 17, 2011Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Guillaume Lecamp, Julien Vermersch, Svetoslav Tchakarov, Hadia Gerardin, Alessandro Giassi -
Publication number: 20100072884Abstract: 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).Type: ApplicationFiled: September 5, 2007Publication date: March 25, 2010Applicant: SAINT-GOBAIN GLASS FRANCEInventors: Svetoslav Tchakarov, Hadia Gerardin, Pascal Reutler, Didier Jousse, Eric Mattmann, Pascal Nael