Patents by Inventor Benoît Racine
Benoît Racine 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: 11927863Abstract: A device for modulating the phase of a light beam includes a matrix of elementary cells, called pixels, coupled to a circuit for addressing the pixels, the device further comprising a set of so-called lateral electrodes extending in a so-called vertical direction (Y) at right angles to the alignment direction (Xa) and configured to apply, for each pixel and via at least two lateral electrodes, a so-called acceleration voltage generating a lateral electrical field (Era) substantially parallel to the alignment direction, in a vector allowing an accelerated return of the liquid crystal molecules to their orientation of rest, the acceleration voltage being configured to be applied in a phase called acceleration relaxation phase, when the activation voltage is no longer applied.Type: GrantFiled: December 14, 2022Date of Patent: March 12, 2024Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Benoît Racine, Arnaud Verdant, Pierre Joly
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Publication number: 20240069006Abstract: An interconnection structure includes a substrate formed by a first electrically insulating and optically transparent material, the substrate including a first face and an opposite second face, the first face defining a plane of the substrate, and a plurality of transparent electrodes, wherein the transparent electrodes pass through the substrate from the first face to the second face of the substrate in parallel to each other, and are electrically insulated from each other by the first electrically insulating and optically transparent material.Type: ApplicationFiled: August 29, 2023Publication date: February 29, 2024Inventors: Benoit RACINE, Olivier HAON
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Publication number: 20230397490Abstract: An active light-emitting layer composition including a thermally activated delayed fluorescence (TADF) molecule with TADF properties as a host material and a luminescent molecule with circularly polarized (CP) properties as a dopant. Also, a light-emitting device, such as an organic light-emitting diodes (OLED), including the active light-emitting layer made of this composition.Type: ApplicationFiled: October 29, 2021Publication date: December 7, 2023Applicants: UNIVERSITE DE RENNES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE RENNES, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNES, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Ludovic FAVEREAU, Jeanne CRASSOUS, Sitthichok KASEMTHAVEECHOK, Kais DHBAIBI, Grégory PIETERS, Benoît RACINE, Etienne QUESNEL
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Publication number: 20230194944Abstract: A device for modulating the phase of a light beam includes a matrix of elementary cells, called pixels, coupled to a circuit for addressing the pixels, the device further comprising a set of so-called lateral electrodes extending in a so-called vertical direction (Y) at right angles to the alignment direction (Xa) and configured to apply, for each pixel and via at least two lateral electrodes, a so-called acceleration voltage generating a lateral electrical field (Era) substantially parallel to the alignment direction, in a vector allowing an accelerated return of the liquid crystal molecules to their orientation of rest, the acceleration voltage being configured to be applied in a phase called acceleration relaxation phase, when the activation voltage is no longer applied.Type: ApplicationFiled: December 14, 2022Publication date: June 22, 2023Inventors: Benoît RACINE, Arnaud VERDANT, Pierre JOLY
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Patent number: 11506608Abstract: A device for exciting objects with an excitation radiation and for detecting a photoluminescence radiation emitted by the objects after the absorption of the excitation radiation. The device includes a wall in contact with the objects, an organic light-emitting diode for emitting the excitation radiation and transparent to the photoluminescence radiation, an optical resonator tuned to the wavelength of the photoluminescence radiation and located on the side of the organic light-emitting diode opposite to the wall, and at least one sensor of the photoluminescence radiation arranged on the side of the optical resonator opposite to the organic light-emitting diode.Type: GrantFiled: October 29, 2020Date of Patent: November 22, 2022Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Benoit Racine, Pierre Blandin, Etienne Quesnel
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Publication number: 20220187206Abstract: Device (1) for characterizing a substance (2) capable of emitting a photoluminescence radiation (Rp) in a first spectral range, the device (1) comprising: an electroluminescent component (3), at least semi-transparent in the first spectral range, and comprising first and second opposite surfaces (30, 31), the electroluminescent component (3) being suitable for emitting an excitation radiation (Re1) outgoing from the first surface (30), emitted in a first spectral range according to a circular polarization state; the excitation radiation (Re1) outgoing from the first surface (30) being able to pass through the electroluminescent component (3), after being reflected, and exit from the second surface (31); a polarization filter (4), arranged to filter the excitation radiation (Re2) outgoing from the second surface (31), and suitable for modifying the circular polarization state so as to obtain an extinguishing of the excitation radiation (Re2) outgoing from the second surface (31) of the electroluminescent coType: ApplicationFiled: December 14, 2021Publication date: June 16, 2022Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Benoit RACINE, Pierre BLANDIN, Etienne QUESNEL
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Patent number: 11362296Abstract: A device includes first and second electrodes that are at least partially transparent in a spectral domain; an electroluminescent layer that lies between the first and second electrodes suitable for emitting electromagnetic radiation in the spectral domain, the electromagnetic radiation being circularly polarized in a first polarization direction; a structured substrate, the first electrode lying between the structured substrate and the electroluminescent layer, the structured substrate including features that are reflective in the spectral domain, and that possess a hollow geometric shape configured so that electromagnetic radiation that passes through the first electrode is reflected from the reflective features while preserving the first polarization direction, a filler material that is transparent in the spectral domain and that is arranged to fill the reflective features so that the structured substrate has a planar surface.Type: GrantFiled: August 14, 2020Date of Patent: June 14, 2022Assignee: Commissariat a l'Energie Atomique et aux Energies AlternativesInventors: Etienne Quesnel, Marianne Consonni, Sylvia Meunier, Benoit Racine
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Publication number: 20210131969Abstract: A device for exciting objects with an excitation radiation and for detecting a photoluminescence radiation emitted by the objects after the absorption of the excitation radiation. The device includes a wall in contact with the objects, an organic light-emitting diode for emitting the excitation radiation and transparent to the photoluminescence radiation, an optical resonator tuned to the wavelength of the photoluminescence radiation and located on the side of the organic light-emitting diode opposite to the wall, and at least one sensor of the photoluminescence radiation arranged on the side of the optical resonator opposite to the organic light-emitting diode.Type: ApplicationFiled: October 29, 2020Publication date: May 6, 2021Applicant: Commissarat à I'Énergie Atomique et aux Énergies AlternativesInventors: Benoit Racine, Pierre Blandin, Etienne Quesnel
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Publication number: 20210050544Abstract: A device includes first and second electrodes that are at least partially transparent in a spectral domain; an electroluminescent layer that lies between the first and second electrodes suitable for emitting electromagnetic radiation in the spectral domain, the electromagnetic radiation being circularly polarized in a first polarization direction; a structured substrate, the first electrode lying between the structured substrate and the electroluminescent layer, the structured substrate including features that are reflective in the spectral domain, and that possess a hollow geometric shape configured so that electromagnetic radiation that passes through the first electrode is reflected from the reflective features while preserving the first polarization direction, a filler material that is transparent in the spectral domain and that is arranged to fill the reflective features so that the structured substrate has a planar surface.Type: ApplicationFiled: August 14, 2020Publication date: February 18, 2021Applicant: Commissariat a l'Energie Atomique et aux Energies AlternativesInventors: Etienne QUESNEL, Marianne CONSONNI, Sylvia MEUNIER, Benoit RACINE
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Patent number: 10804326Abstract: A monolithic display device including a plurality of first pixels capable of emitting light in a first wavelength range, and a plurality of second pixels capable of emitting light in a second wavelength range, the first pixels each including a gallium nitride light-emitting diode, and the second pixels each including an organic light-emitting diode.Type: GrantFiled: October 13, 2017Date of Patent: October 13, 2020Assignee: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Tony Maindron, Benoit Racine, François Templier
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Publication number: 20200013983Abstract: 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: ApplicationFiled: March 14, 2018Publication date: January 9, 2020Inventors: Salim BOUTAMI, Stéphane GETIN, Tony MAINDRON, Benoit RACINE
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Publication number: 20190280048Abstract: A monolithic display device including a plurality of first pixels capable of emitting light in a first wavelength range, and a plurality of second pixels capable of emitting light in a second wavelength range, the first pixels each including a gallium nitride light-emitting diode, and the second pixels each including an organic light-emitting diode.Type: ApplicationFiled: October 13, 2017Publication date: September 12, 2019Applicant: Commissariat à l'Énergie Atomique et aux Énergies AlternativesInventors: Tony Maindron, Benoit Racine, Francois Templier
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Patent number: 10367049Abstract: In this element, one of the current flow electrodes of the transistor and the lower electrode of the diode form a common layer. According to the invention, the transistor includes what is called a “contact” zone made of semiconductor material which is placed between at least one of its current flow electrodes and its active zone made of semiconductor material and which is doped with one or more dopants, which are electron donors or electron acceptors.Type: GrantFiled: October 26, 2006Date of Patent: July 30, 2019Assignee: INTERDIGITAL CE PATENT HOLDINGSInventor: Benoit Racine
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Publication number: 20180309090Abstract: 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: ApplicationFiled: April 19, 2018Publication date: October 25, 2018Inventors: Salim BOUTAMI, Stéphane GETIN, Tony MAINDRON, Benoit RACINE
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Publication number: 20180158892Abstract: In this element, one of the current flow electrodes of the transistor and the lower electrode of the diode form a common layer. According to the invention, the transistor includes what is called a “contact” zone made of semiconductor material which is placed between at least one of its current flow electrodes and its active zone made of semiconductor material and which is doped with one or more dopants, which are electron donors or electron acceptors.Type: ApplicationFiled: October 26, 2006Publication date: June 7, 2018Inventor: Benoit Racine
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Patent number: 9634057Abstract: A solid-state radiation detector comprising a photosensitive sensor comprises photosensitive elements that are organized in a matrix, and a light generator whose purpose is to optically wipe the photosensitive elements. The light generator comprises: an electroluminescent layer that is distributed over the surface of the sensor; at least one electrode that continuously covers the electroluminescent layer and in which electrons may flow, the light emitted by the electroluminescent layer being capable of passing through the electrode; and additional electrical conductors that are in electrical contact with the electrode, the additional electrical conductors forming branches that extend over the surface of the electrode, and being spatially distributed across the surface of the electrode.Type: GrantFiled: November 4, 2014Date of Patent: April 25, 2017Assignee: TRIXELLInventors: Benoit Racine, Robert Neyret, Bruno Commere
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Publication number: 20160254311Abstract: A solid-state radiation detector comprising a photosensitive sensor comprises photosensitive elements that are organized in a matrix, and a light generator whose purpose is to optically wipe the photosensitive elements. The light generator comprises: an electroluminescent layer that is distributed over the surface of the sensor; at least one electrode that continuously covers the electroluminescent layer and in which electrons may flow, the light emitted by the electroluminescent layer being capable of passing through the electrode; and additional electrical conductors that are in electrical contact with the electrode, the additional electrical conductors forming branches that extend over the surface of the electrode, and being spatially distributed across the surface of the electrode.Type: ApplicationFiled: November 4, 2014Publication date: September 1, 2016Inventors: Benoit RACINE, Robert NEYRET, Bruno COMMERE
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Patent number: 9018590Abstract: A device is provided for addressing the rows of an active detection matrix for imaging by ionizing radiations comprising a plurality N of rows n of pixels, the addressing device being produced on a substrate on which the matrix is also producing and mainly comprising thin film transistors of single N or P type. The row addressing device can comprise a plurality of stages suitable for delivering at their respective outputs switching signals for switching the high and low levels of a signal applied to switching devices at the output on a corresponding row of the matrix and being characterized in that each stage comprises an input stage and an output stage, the input stage delivering an activation signal for the output stage, the output stage delivering, in case of activation, said switching signal for the corresponding row n.Type: GrantFiled: May 9, 2012Date of Patent: April 28, 2015Assignee: Trixell S.A.S.Inventors: David Blanchon, Benoît Racine
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Patent number: 8895155Abstract: Organic light-emitting diode comprising a lower electrode and an upper electrode, an organic electroluminescent layer and at least one doped organic layer in contact with one of said electrodes. According to the invention, the doping level of this organic layer is higher at the interface with the electrode than in the core of this layer. Thanks to the invention, the luminous efficiency of the diode is very substantially improved.Type: GrantFiled: November 24, 2005Date of Patent: November 25, 2014Assignee: Thomson LicensingInventors: Salvatore Cina, Benoit Racine, Christophe Fery
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Publication number: 20140321618Abstract: A device is provided for addressing the rows of an active detection matrix for imaging by ionizing radiations comprising a plurality N of rows n of pixels, the addressing device being produced on a substrate on which the matrix is also producing and mainly comprising thin film transistors of single N or P type. The row addressing device can comprise a plurality of stages suitable for delivering at their respective outputs switching signals for switching the high and low levels of a signal applied to switching devices at the output on a corresponding row of the matrix and being characterized in that each stage comprises an input stage and an output stage, the input stage delivering an activation signal for the output stage, the output stage delivering, in case of activation, said switching signal for the corresponding row n.Type: ApplicationFiled: May 9, 2012Publication date: October 30, 2014Applicant: TRIXELL S.A.S.Inventors: David Blanchon, Benoît Racine