Patents by Inventor Philippe Letocart

Philippe Letocart 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).

  • Publication number: 20230393385
    Abstract: The invention relates to glazing (1) comprising a first glazing sheet (10; 10A, 10B) forming a substrate on which at least one film of an electrochemical system (12) is formed, said system having optical and/or energy-related properties that are electrically controllable, a second glazing sheet (14) forming a counter-substrate, and a third glazing sheet (18). The substrate has characteristics that allow it to be obtained by being cut from a motherboard on which motherboard at least one film of the electrochemical system (12) is formed. The substrate is located between the counter-substrate (14) and the third glazing sheet (18) and is set back relative to the counter-substrate (14) and relative to the third glazing sheet (18) over the entire circumference of the substrate (10; 10A, 10B).
    Type: Application
    Filed: August 28, 2023
    Publication date: December 7, 2023
    Inventors: René GY, Jean-Christophe Giron, Li-Ya Yeh, Philippe Letocart, Annabelle Andreau-Wiedenmaier, Philippe Armand
  • Patent number: 11650410
    Abstract: The invention relates to glazing (1) comprising a first glazing sheet (10; 10A, 10B) forming a substrate on which at least one film of an electrochemical system (12) is formed, said system having optical and/or energy-related properties that are electrically controllable, a second glazing sheet (14) forming a counter-substrate, and a third glazing sheet (18). The substrate has characteristics that allow it to be obtained by being cut from a motherboard on which motherboard at least one film or the electro-chemical system (12) is formed. The substrate is located between the counter-substrate (14) and the third glazing sheet (18) and is set back relative to the counter-substrate (14) and relative to the third glazing sheet (18) over the entire circumference of the substrate (10; 10A, 10B).
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: May 16, 2023
    Assignee: SAGE ELECTROCHROMICS, INC.
    Inventors: René Gy, Jean-Christophe Giron, Li-Ya Yeh, Philippe Letocart, Annabelle Andreau-Wiedenmaier, Philippe Armand
  • Publication number: 20220324753
    Abstract: A vehicle pane includes a glass substrate with elemental silver applied thereon discontinuously, as one or a plurality of lines, wherein the elemental silver has a coating that contains a thiol and/or a silicone resin and/or a silicate.
    Type: Application
    Filed: August 11, 2020
    Publication date: October 13, 2022
    Inventors: Philippe LETOCART, Antje JUNG
  • Patent number: 11142047
    Abstract: A vehicle window has a plurality of integrated electro-optical elements, wherein the electro-optical elements have a common supply voltage, wherein the integrated electro-optical elements are controllable individually or in groups such that the electro-optical elements change the optical properties of the window at the respective location, wherein a first logical interface for feeding in the common supply voltage and a second logical interface for feeding in a common control signal are provided for controlling the electro-optical elements and for providing the common supply voltage, wherein, downstream from the logical interface, the control signal is converted into control signals for the control of the integrated electro-optical elements individually or in groups, wherein the physical interface is arranged on one of the outer faces of the window, wherein the physical interface for the first logical interface and the second logical interface has, together, 3 or 4 electrical connections.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: October 12, 2021
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Bernhard Reul, Michael Labrot, Philippe Letocart, Christian Effertz
  • Patent number: 10895795
    Abstract: A glazing having electrically switchable properties is presented. The glazing includes, areally arranged in sequence, a substrate, a first electrically conductive layer, an active layer, and a second electrically conductive layer. According to one aspect, at least one electrically insulating barrier layer is areally arranged within, and completely covered areally by, one of the first and second electrically conductive layers. According to another aspect, the active layer is an electrochromic functional element, that includes an electrochromic layer adjacent the first electrically conductive layer, and a counter electrode adjacent the second electrically conductive layer.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: January 19, 2021
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Philippe Letocart, Magnus Kolter
  • Publication number: 20200371343
    Abstract: The invention relates to glazing (1) comprising a first glazing sheet (10; 10A, 10B) forming a substrate on which at least one film of an electrochemical system (12) is formed, said system having optical and/or energy-related properties that are electrically controllable, a second glazing sheet (14) forming a counter-substrate, and a third glazing sheet (18). The substrate has characteristics that allow it to be obtained by being cut from a motherboard on which motherboard at least one film or the electro-chemical system (12) is formed. The substrate is located between the counter-substrate (14) and the third glazing sheet (18) and is set back relative to the counter-substrate (14) and relative to the third glazing sheet (18) over the entire circumference of the substrate (10; 10A, 10B).
    Type: Application
    Filed: June 9, 2020
    Publication date: November 26, 2020
    Inventors: René GY, Jean-Christophe Giron, Li-Ya Yeh, Philippe Letocart, Annabelle Andreau-Wiedenmaier, Philippe Armand
  • Publication number: 20200254855
    Abstract: A vehicle window has a plurality of integrated electro-optical elements, wherein the electro-optical elements have a common supply voltage, wherein the integrated electro-optical elements are controllable individually or in groups such that the electro-optical elements change the optical properties of the window at the respective location, wherein a first logical interface for feeding in the common supply voltage and a second logical interface for feeding in a common control signal are provided for controlling the electro-optical elements and for providing the common supply voltage, wherein, downstream from the logical interface, the control signal is converted into control signals for the control of the integrated electro-optical elements individually or in groups, wherein the physical interface is arranged on one of the outer faces of the window, wherein the physical interface for the first logical interface and the second logical interface has, together, 3 or 4 electrical connections.
    Type: Application
    Filed: June 27, 2018
    Publication date: August 13, 2020
    Inventors: Bernhard REUL, Michael LABROT, Philippe LETOCART, Christian EFFERTZ
  • Patent number: 10718937
    Abstract: The invention relates to glazing (1) comprising a first glazing sheet (10; 10A, 10B) forming a substrate on which at least one film of an electrochemical system (12) is formed, said system having optical and/or energy-related properties that are electrically controllable, a second glazing sheet (14) forming a counter-substrate, and a third glazing sheet (18). The substrate has characteristics that allow it to be obtained by being cut from a motherboard on which motherboard at least one film of the electrochemical system (12) is formed. The substrate is located between the counter-substrate (14) and the third glazing sheet (18) and is set back relative to the counter-substrate (14) and relative to the third glazing sheet (18) over the entire circumference of the substrate (10; 10A, 10B).
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: July 21, 2020
    Assignee: SAGE ELECTROCHROMICS, INC.
    Inventors: René Gy, Jean-Christophe Giron, Li-Ya Yeh, Philippe Letocart, Annabelle Andreau-Wiedenmaier, Philippe Armand
  • Patent number: 10272648
    Abstract: A fire-resistant pane including at least one float glass pane with a tin bath side, at least one protective layer that is arranged on the tin bath side in a planar manner, and at least one fire-resistant layer that is arranged on the protective layer in a planar manner, wherein the protective layer contains metal oxide, metal nitride, metal silicide, and/or mixtures or layered compounds thereof.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: April 30, 2019
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Anais Renier, Philippe Letocart, Andreas Kasper, Udo Gelderie, Norbert Schwankhaus, Ulrich Billert
  • Patent number: 10240051
    Abstract: A method for producing a pane having an electrically conductive coating is described. The method includes applying an electrically conductive coating onto a substrate, identifying defects of the coating, focusing the radiation of a laser having an annular beam profile on the coating, wherein the annular beam profile surrounds the defect, and producing an annular de-coated region by simultaneously removing the coating in the region of the beam profile.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: March 26, 2019
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Philippe Letocart, Li-Ya Yeh, Michael Behmke
  • Publication number: 20190033677
    Abstract: A glazing having electrically switchable properties is presented. The glazing includes, areally arranged in sequence, a substrate, a first electrically conductive layer, an active layer, and a second electrically conductive layer. According to one aspect, at least one electrically insulating barrier layer is areally arranged within, and completely covered areally by, one of the first and second electrically conductive layers. According to another aspect, the active layer is an electrochromic functional element, that includes an electrochromic layer adjacent the first electrically conductive layer, and a counter electrode adjacent the second electrically conductive layer.
    Type: Application
    Filed: December 15, 2016
    Publication date: January 31, 2019
    Applicant: SAINT-GOBAIN GLASS FRANCE
    Inventors: Philippe LETOCART, Magnus KOLTER
  • Patent number: 10190363
    Abstract: Multilayer film (1) with electrically switchable optical properties, comprising, arranged sheet-wise in order, at least: —a first carrier film (5), —a first electrically conductive layer (3), —an active layer (2), —a second electrically conductive layer (4) and—a second carrier film (6), wherein—the multilayer film (1) has at least two circumferential separating lines (16), which separate an insulated edge region (18) from the first electrically conductive layer (3) and the second electrically conductive layer (4), —the first carrier film (5) and the second carrier film (6) are welded in at least a part of the insulated edge region (18) to form a sealed region (7), and—the separating lines (16) have a width of 10 ?m to 500 ?m.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: January 29, 2019
    Assignee: Cardinal IG Company
    Inventors: Michael Behmke, Annabelle Andreau-Wiedenmaier, Philippe Letocart
  • Patent number: 9922621
    Abstract: A device for generating a display image on a composite glass pane is described. The device has: a composite glass pane with a first pane and a second pane, which are connected to each other via an intermediate layer that contains at least one luminescent pigment; a laser projector, which contains at least one laser and an optical system for deflecting a radiation of the laser, the radiation being directed within a region of the composite glass pane; a photodetector, which detects luminescent radiation of the luminescent pigment; and a control unit, which electronically connects the photodetector and the laser projector.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: March 20, 2018
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Matthias Alschinger, Michael Labrot, Philippe Letocart, Bianca Bergs, Monique Elmer, Jean-Yves Laluet, Guillaume Lecamp, Marcus Neander
  • Patent number: 9599872
    Abstract: An electrically conductive support for a glazing unit having liquid crystal scattering properties may include a multilayer of thin films. In one example, the thin films include an electrode comprising a TCO film, a silicon-nitride-based first barrier film having a thickness e1 of at least 5 nm, and a silicon-oxide-based second barrier film having a thickness e2 of at least 30 nm. The thickness e1 may be smaller than or equal to e2 and/or smaller than 80 nm. Further, the cumulative thickness of the first and second barrier films may be larger than or equal to 50 nm and smaller than 150 nm.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: March 21, 2017
    Assignee: Cardinal IG Company
    Inventors: Juliette Sternchuss, Philippe Letocart, Jingwei Zhang, Matthias Alschinger
  • Patent number: 9482921
    Abstract: The invention relates to an electrochemical device (100) having electrically controllable optical and/or energy transmission properties comprising a substrate (40), a functional system (60) formed on the substrate and a cover film (56) formed on the functional system. The functional system comprises a bottom electrode coating (46), formed on the substrate, a top electrode coating (54) and at least one electrochemically active film (48, 52) located between the two electrode coatings, the electro-chemically active film being able to switch reversibly between a first state and a second state having optical and/or energy transmission properties different from the first state. The cover film defines at least one surface cavity (66) that passes through the cover film without penetrating the top electrode coating and the device comprises electrical connection means (70) arranged at least partially in at least one surface cavity for electrical contact with the top electrode coating.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: November 1, 2016
    Assignee: SAGE ELECTROCHROMICS, INC.
    Inventors: Driss Lamine, Philippe Letocart, Jean-Christophe Giron, Thomas Bertin-Mourot
  • Publication number: 20160168396
    Abstract: A method for producing a pane having an electrically conductive coating is described. The method includes applying an electrically conductive coating onto a substrate, identifying defects of the coating, focusing the radiation of a laser having an annular beam profile on the coating, wherein the annular beam profile surrounds the defect, and producing an annular de-coated region by simultaneously removing the coating in the region of the beam profile.
    Type: Application
    Filed: July 15, 2014
    Publication date: June 16, 2016
    Applicant: SAINT-GOBAIN GLASS FRANCE
    Inventors: Philippe LETOCART, Li-Ya YEH, Michael BEHMKE
  • Publication number: 20160138328
    Abstract: Multilayer film (1) with electrically switchable optical properties, comprising, arranged sheet-wise in order, at least: —a first carrier film (5), —a first electrically conductive layer (3), —an active layer (2), —a second electrically conductive layer (4) and —a second carrier film (6), wherein —the multilayer film (1) has at least two circumferential separating lines (16), which separate an insulated edge region (18) from the first electrically conductive layer (3) and the second electrically conductive layer (4), —the first carrier film (5) and the second carrier film (6) are welded in at least a part of the insulated edge region (18) to form a sealed region (7), and —the separating lines (16) have a width of 10 ?m to 500 ?m.
    Type: Application
    Filed: January 15, 2014
    Publication date: May 19, 2016
    Inventors: Michael Behmke, Annabelle Andreau-Wiedenmaier, Philippe Letocart
  • Publication number: 20150344357
    Abstract: A fire-resistant pane including at least one float glass pane with a tin bath side, at least one protective layer that is arranged on the tin bath side in a planar manner, and at least one fire-resistant layer that is arranged on the protective layer in a planar manner, wherein the protective layer contains metal oxide, metal nitride, metal silicide, and/or mixtures or layered compounds thereof.
    Type: Application
    Filed: November 13, 2013
    Publication date: December 3, 2015
    Inventors: Anais Renier, Philippe Letocart, Andreas Kasper, Udo Gelderie, Norbert Schwankhaus, Ulrich Billert
  • Publication number: 20150286079
    Abstract: The present invention relates to an electrically conductive support for a liquid-crystal-comprising glazing unit (100), comprising a multilayer (3) with, in this order: an electrode comprising a film, called the TCO film, based on transparent electrically conductive oxide; a silicon-nitride-based first barrier film having a thickness e1 of at least 5 nm; and a silicon-oxide-based second barrier film having a thickness e2 of at least 30 nm; the thickness e1 is smaller than or equal to e2 and/or e1 is smaller than 80 nm, and the cumulative thickness eb of the first and second barrier films is larger than or equal to 50 nm and smaller than 150 nm.
    Type: Application
    Filed: July 30, 2013
    Publication date: October 8, 2015
    Inventors: Juliette Sternchuss, Philippe Letocart, Jingwei Zhang, Matthias Alschinger
  • Patent number: 9099588
    Abstract: A thin-film component comprising a film structure and an electrically conductive protection device is disclosed, together with a method for the production and use thereof.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: August 4, 2015
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Philippe Letocart, Dang Cuong Phan, Dana Pakosch, Jean-Christophe Giron, Pascal Remy