Patents by Inventor Stéphane Getin

Stéphane Getin 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).

  • Patent number: 10690914
    Abstract: An optical projection device for a display such as augmented reality glasses. The optical system includes a planar optical guide; at least two input optics; at least two collimation elements, each being associated with an input optics, and directly located on a face of the planar optical guide; and conjugation device, arranged to conjugate in twos an input optics and the associated collimation element. The invention provides a wide field and compact offset projection device.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: June 23, 2020
    Assignee: Commissariat a L'Energie Atomique et aux Energies Alternatives
    Inventors: Sebastien Giudicelli, Stephane Getin
  • Publication number: 20200013983
    Abstract: An organic light-emitting diode includes a first electrode, a stack of semiconductor organic layers comprising at least one electroluminescent organic layer, the stack being deposited above the first electrode, and a second electrode deposited on a surface of the stack, the surface being opposite the first electrode, wherein the first electrode comprises at least one region, making electrical contact with the stack of semiconductor organic layers, having a geometry suitable for allowing the excitation of a localized plasmon mode at the emission wavelength of the electroluminescent organic layer. Display device comprising a plurality of such diodes sharing a stack of semiconductor organic layers. Process for manufacturing such a diode and such a display device is also provided.
    Type: Application
    Filed: March 14, 2018
    Publication date: January 9, 2020
    Inventors: Salim BOUTAMI, Stéphane GETIN, Tony MAINDRON, Benoit RACINE
  • Publication number: 20180309090
    Abstract: An organic light-emitting diode comprises a first electrode, a stack of semiconducting organic layers, comprising at least one light-emitting organic layer, deposited on top of the first electrode and a second electrode deposited on a surface of the stack opposite the first electrode, wherein the first electrode comprises at least one region in electrical contact with the stack of semiconducting organic layers surrounded by one or more regions electrically insulated from the stack, each electrically insulated region structured to form at least one Bragg mirror adapted to reflect plasmons with a wavelength ? of emission from the light-emitting layer and guided by an interface between the first electrode and the stack of semiconducting organic layers, each region in electrical contact with the stack forming, with the Bragg mirror or mirrors surrounding it, a cavity not supporting any resonant plasmon mode at the wavelength ?. A method for fabricating such an organic light-emitting diode is provided.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Inventors: Salim BOUTAMI, Stéphane GETIN, Tony MAINDRON, Benoit RACINE
  • Patent number: 9910277
    Abstract: The invention concerns a head-up display, comprising at least one combination of a laser source, a movable mirror, a fixed mirror, a diffuser and an optical sub-system, the movable mirror being positioned to divert the beam originating from the laser source towards the fixed mirror in such a way that the beam from the fixed mirror scans the surface of the diffuser before reaching the optical sub-system.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: March 6, 2018
    Assignee: Commissariat a l'Energie Atomique at aux Energies Alternatives
    Inventors: Umberto Rossini, Stéphane Getin
  • Patent number: 9864193
    Abstract: The invention relates to a head-up display including an element (10) suitable for overlaying a first image of a scene (14) on a second image from a projection system, the projection system including a screen (24) and an optical system (26), the screen (24) being divided into sub-screens (24A, 24B, 24C), each of which display the second image, the optical system (26) including a set of optical subsystems (26A, 26B, 26C) positioned opposite each sub-screen (24A, 24B, 24C), the screen being positioned within the object focal plane of each optical sub-system (26A, 26B, 26C).
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: January 9, 2018
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Stéphane Getin, Henry Doyeux
  • Patent number: 9854222
    Abstract: A method for estimating the image depth map of a scene, includes the following steps: providing (E1) an image, the focus of which depends on the depth and wavelength of the considered object points of the scene, using a longitudinal chromatic optical system; determining (E2) a set of spectral images from the image provided by the longitudinal chromatic optical system; deconvoluting (E3) the spectral images to provide estimated spectral images with field depth extension; and analyzing (E4) a cost criterion depending on the estimated spectral images with field depth extension to provide an estimated depth map.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: December 26, 2017
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Jerome Dias, David Alleysson, Stephane Getin
  • Patent number: 9804482
    Abstract: A rear-projection display device comprises a mobile light source supplying a light beam of at least one wavelength, a holographic mirror reflecting only said at least one wavelength, an absorbent screen and a transmissive diffuser, the absorbent screen being placed on the rear face of the holographic mirror, the elements being arranged such that the beam from the light source is reflected on the holographic mirror in order to sweep the surface of the transmissive diffuser.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 31, 2017
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, RENAULT S.A.S.
    Inventors: Umberto Rossini, Stéphane Getin, Martin Pertenais, Frédéric Sermet, Stéphane Regnier
  • Publication number: 20160370585
    Abstract: The invention concerns a head-up display, comprising at least one combination of a laser source, a movable mirror, a fixed mirror, a diffuser and an optical sub-system, the movable mirror being positioned to divert the beam originating from the laser source towards the fixed mirror in such a way that the beam from the fixed mirror scans the surface of the diffuser before reaching the optical sub-system.
    Type: Application
    Filed: July 3, 2014
    Publication date: December 22, 2016
    Inventors: Umberto ROSSINI, Stéphane GETIN
  • Publication number: 20160301911
    Abstract: A method for estimating the image depth map of a scene, includes the following steps: providing (E1) an image, the focus of which depends on the depth and wavelength of the considered object points of the scene, using a longitudinal chromatic optical system; determining (E2) a set of spectral images from the image provided by the longitudinal chromatic optical system; deconvoluting (E3) the spectral images to provide estimated spectral images with field depth extension; and analyzing (E4) a cost criterion depending on the estimated spectral images with field depth extension to provide an estimated depth map.
    Type: Application
    Filed: November 17, 2014
    Publication date: October 13, 2016
    Inventors: Jerome DIAS, David ALLEYSSON, Stephane GETIN
  • Publication number: 20160238921
    Abstract: A rear-projection display device comprises a mobile light source supplying a light beam of at least one wavelength, a holographic mirror reflecting only said at least one wavelength, an absorbent screen and a transmissive diffuser, the absorbent screen being placed on the rear face of the holographic mirror, the elements being arranged such that the beam from the light source is reflected on the holographic mirror in order to sweep the surface of the transmissive diffuser.
    Type: Application
    Filed: September 26, 2014
    Publication date: August 18, 2016
    Inventors: Umberto ROSSINI, Stéphane GETIN, Martin PERTENAIS, Frédéric SERMET, Stéphane REGNIER
  • Publication number: 20160178910
    Abstract: An optical projection device for a display such as augmented reality glasses. The optical system includes a planar optical guide; at least two input optics; at least two collimation elements, each being associated with an input optics, and directly located on a face of the planar optical guide; and conjugation device, arranged to conjugate in twos an input optics and the associated collimation element. The invention provides a wide field and compact offset projection device.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 23, 2016
    Applicant: Commissariat a L'Energie Atomique et aux Energies Alternatives
    Inventors: Sebastien GIUDICELLI, Stephane GETIN
  • Publication number: 20160170225
    Abstract: The invention relates to a transmissive diffuser screen comprising a transparent support (50), a first face of the support being covered with a first diffusive micro-structure (52) and a second face of the support being covered with an optical focusing structure (54) of which the primary focal point is disposed at a lighting source (36) of the screen and of which the surface is covered with a second diffusive micro-structure (56).
    Type: Application
    Filed: July 11, 2014
    Publication date: June 16, 2016
    Inventors: Stéphane GETIN, Umberto ROSSINI
  • Publication number: 20150301334
    Abstract: The invention relates to a head-up display including an element (10) suitable for overlaying a first image of a scene (14) on a second image from a projection system, the projection system including a screen (24) and an optical system (26), the screen (24) being divided into sub-screens (24A, 24B, 24C), each of which display the second image, the optical system (26) including a set of optical subsystems (26A, 26B, 26C) positioned opposite each sub-screen (24A, 24B, 24C), the screen being positioned within the object focal plane of each optical sub-system (26A, 26B, 26C).
    Type: Application
    Filed: April 24, 2013
    Publication date: October 22, 2015
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Stéphane GETIN, Henry DOYEUX
  • Patent number: 8837817
    Abstract: A method for calculating a depth map from an original matrix image, comprising the steps of: calculating a first matrix image corresponding to the original matrix image with a low resolution and in which the depth of field is similar to that of the original matrix image, calculating a second matrix image corresponding to the original matrix image with a low resolution, comprising a number of pixels similar to that of the first matrix image and in which the depth of field is greater than that of the original matrix image, implementing a DFD type three-dimensional reconstruction algorithm from the first and the second matrix images, outputting the depth map.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: September 16, 2014
    Assignee: Commissariat à l'énergie atomique et aux énergies alternatives
    Inventors: Gergely-Istvan Papp, Jérôme Dias, Stéphane Getin
  • Patent number: 8569151
    Abstract: A method of formation of nanowires at a surface of a substrate attached to a solid immersion lens. The method includes formation of a catalyst element at the surface of the substrate and growth of nanowires from the catalyst element formed at the surface of the substrate. The catalyst element is a metal nanoparticle and the formation of the catalyst element at the surface of the substrate deposits the metal nanoparticle using a light beam focused by the solid immersion lens at the surface of the substrate.
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: October 29, 2013
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Delphine Neel, Pierre Ferret, Stéphane Getin
  • Patent number: 8416283
    Abstract: A 3D imaging device is comprised of a photodetector matrix, a layer of material fixed on a face of the photodetector matrix, the layer of material being capable of absorbing or reflecting light, an opening being formed in said layer of material at each photodetector, a layer of insulating material fixed on said layer of material capable of reflecting or absorbing light, the layer of insulating material having a face surrounding, in the body thereof, a set of G waveguides, each waveguide of the set of waveguides being positioned vertically in relation to said face, opposite an opening, the heights of the different waveguides, considered in relation to the face of the layer of insulating material, defining N distinct levels, N being a whole number greater than or equal to 2.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: April 9, 2013
    Assignee: Commissariat à l'énergie atomique et aux énergies alternatives
    Inventors: Stephane Getin, Pierre Ferret, Sergio Nicoletti
  • Publication number: 20130034297
    Abstract: A method for calculating a depth map from an original matrix image, comprising the steps of: calculating a first matrix image corresponding to the original matrix image with a low resolution and in which the depth of field is similar to that of the original matrix image, calculating a second matrix image corresponding to the original matrix image with a low resolution, comprising a number of pixels similar to that of the first matrix image and in which the depth of field is greater than that of the original matrix image, implementing a DFD type three-dimensional reconstruction algorithm from the first and the second matrix images, outputting the depth map.
    Type: Application
    Filed: July 31, 2012
    Publication date: February 7, 2013
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE ALT
    Inventors: Gergely-Istvan PAPP, Jérôme Dias, Stéphane Getin
  • Patent number: 8237104
    Abstract: A device for trapping particles contained in a liquid (L) placed in a tank, characterized in that it comprises a substrate that is transparent at a working wavelength, a thin layer of material with non-linear optical properties that are reversible at the working wavelength and which is fixed to a first face of the transparent substrate to form all or part of at least one wall of the tank, a device for forming an optical trap which comprises a laser source which emits a laser beam and means for forming a waist of the laser beam, the laser beam being incident upon that face of the transparent substrate that lies on the opposite side to the first face and the waist of the laser beam being formed in the thin layer, an evanescent electromagnetic field forming at the surface of the thin layer.
    Type: Grant
    Filed: May 25, 2009
    Date of Patent: August 7, 2012
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Delphine Neel, Stéphane Getin, Bérangère Hyot, Salim Mimouni
  • Publication number: 20120021554
    Abstract: A method of formation of nanowires at a surface of a substrate attached to a solid immersion lens. The method includes formation of a catalyst element at the surface of the substrate and growth of nanowires from the catalyst element formed at the surface of the substrate. The catalyst element is a metal nanoparticle and the formation of the catalyst element at the surface of the substrate deposits the metal nanoparticle using a light beam focused by the solid immersion lens at the surface of the substrate.
    Type: Application
    Filed: January 28, 2010
    Publication date: January 26, 2012
    Applicant: Commissariat A L'Energie Atomique et aux Ene Alt
    Inventors: Delphine Neel, Pierre Ferret, Stéphane Getin
  • Publication number: 20110101211
    Abstract: A device for trapping particles contained in a liquid (L) placed in a tank, characterized in that it comprises a substrate that is transparent at a working wavelength, a thin layer of material with non-linear optical properties that are reversible at the working wavelength and which is fixed to a first face of the transparent substrate to form all or part of at least one wall of the tank, a device for forming an optical trap which comprises a laser source which emits a laser beam and means for forming a waist of the laser beam, the laser beam being incident upon that face of the transparent substrate that lies on the opposite side to the first face and the waist of the laser beam being formed in the thin layer, an evanescent electromagnetic field forming at the surface of the thin layer.
    Type: Application
    Filed: May 25, 2009
    Publication date: May 5, 2011
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Delphine Neel, Stephane Getin, Berangere Hyot, Salim Mimouni