Patents by Inventor Jacqueline Merikhi
Jacqueline Merikhi 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: 8651723Abstract: The invention relates to GLS-look-alike LED light source (100) comprising two different types of LEDs (21, 22), preferably LEDs emitting with a near UV spectrum and a blue or white spectrum, respectively. The light source (100) further preferably comprises a transparent bulb (40) with a shape similar to an incandescent lamp that is coated by a luminescent layer (30) to achieve a white lamp spectrum. The luminescent layer may contain one or two luminescent compositions.Type: GrantFiled: February 18, 2009Date of Patent: February 18, 2014Assignee: Koninklijke Philips N.V.Inventors: Thomas Juestel, Jacqueline Merikhi, Henning Ohland, Joachim Opitz, Harald Josef Guenther Radermacher, Detlef Uwe Wiechert
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Publication number: 20120092242Abstract: A system comprising a device for placement in front of a display device, such as a TV screen, to change the optical properties of light received by a user observing said display device, when the display device is in an off state or standby state, while when the display device is in an on state, the device appears transparent.Type: ApplicationFiled: March 18, 2010Publication date: April 19, 2012Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Matthias Wendt, Helga Hummel, Wolfgang Otto Budde, Hans Peter Loebl, Volker Weiler, Thomas Juestel, Jacqueline Merikhi
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Publication number: 20110037415Abstract: The invention relates to GLS-look-alike LED light source (100) comprising two different types of LEDs (21, 22), preferably LEDs emitting with a near UV spectrum and a blue or white spectrum, respectively. The light source (100) further preferably comprises a transparent bulb (40) with a shape similar to an incandescent lamp that is coated by a luminescent layer (30) to achieve a white lamp spectrum. The luminescent layer may contain one or two luminescent compositions.Type: ApplicationFiled: February 18, 2009Publication date: February 17, 2011Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Thomas Juestel, Jacqueline Merikhi, Henning Ohland, Joachim Opitz, Harald Josef Guenther Radermacher, Detlef Uwe Wiechert
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Publication number: 20090188695Abstract: The invention provides nanostructures, being arrays of nanosized filamentary material such as carbon nanotubes (CNTs) and other nanomaterials and especially to such materials connected to a substrate such as at least one top electrode and one bottom electrode, and to a method for manufacturing such nanostructures. A device according to the present invention comprises a first and a second layer (11, 13) separated from each other; and nanosized filamentary material (10) grown between said first and said second layer (11, 13). The shape and size of the nanosized filamentary material is determined by the shape and size of the second layer. A corresponding method for growing the nanosized filamentary material is also provided.Type: ApplicationFiled: April 15, 2005Publication date: July 30, 2009Applicant: Koninklijke Phillips Electronics N.V.Inventors: Peter Klaus Bachmann, Zexiang Chen, Jacqueline Merikhi
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Publication number: 20080266861Abstract: The invention relates to a low-pressure mercury vapor discharge lamp (10) comprising a light-transmitting discharge vessel (12) having a first layer (20) and a second layer (22), the first layer (20) facing the discharge space (14) and the second layer (22) being arranged between the first layer (20) and an inner wall (18) of the discharge vessel (12). The first layer (20) comprising a first luminescent material for converting ultraviolet light (24) into output light (26). The second layer (22) comprising a second luminescent material for converting at least part of the ultraviolet light (26) transmitted through the first layer (20) into recycled ultraviolet light (28).Type: ApplicationFiled: December 4, 2006Publication date: October 30, 2008Applicant: Koninklijke Philips Electronics , N.V.Inventors: Thomas Justel, Jacqueline Merikhi
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Publication number: 20070258888Abstract: A contrast agent for medical imaging techniques is described, comprising particles consisting of at least a core, the core comprising at least an oxide, mixed oxide, or hydroxide of specific elements. The particles optionally comprise shells containing or consisting of precious metal, radioactive isotopes, bio-compatibility agents, and/or antibodies. The applied imaging techniques comprise in particular magnetic resonance tomography (MRI), magnetic particle imaging, positron emission tomography (PET), single photon emission computed tomography (SPECT), computed tomography (CT), and ultrasound (US).Type: ApplicationFiled: November 9, 2004Publication date: November 8, 2007Inventors: Claus Feldmann, Henning Braess, Joachim Opitz, Jacqueline Merikhi
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Patent number: 6833160Abstract: A metal M is chosen from the group formed by yttrium, aluminum and lanthanum, and a watery solution of a complex of M and an organic chelating agent is added to a suspension of luminescent material, which causes a layer of M2O3 to be deposited on the luminescent material, which is them separated, dried and fired.Type: GrantFiled: May 10, 2002Date of Patent: December 21, 2004Assignee: Koninklijke Philips Electronics N.V.Inventors: Thomas Jüstel, Jacqueline Merikhi, Hans Nikol, Cornelis R. Ronda
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Patent number: 6504320Abstract: A gas discharge lamp for dielectrically impeded discharges, which gas discharge lamp is provided with a discharge vessel filled with a gas filling, which discharge vessel comprises at least a wall of a dielectric material and at least a wall having a surface which is at least partly transparent to visible radiation and coated with a phosphor layer, which phosphor layer comprises a phosphor preparation of a phosphor powder and a coating, which coating comprises a compound selected from the group formed by the fluorides and orthophosphates of the elements magnesium, calcium, barium, aluminum, scandium, yttrium and lanthanum, and provided with an electrode structure for a dielectrically impeded discharge, and with means for igniting and maintaining the dielectrically impeded discharge.Type: GrantFiled: May 25, 2001Date of Patent: January 7, 2003Assignee: Koninklijke Philips Electronics N.V.Inventors: Claus Feldmann, Thomas Juestel, Cornelis Reinder Ronda, Hans Otto Jungk, Jacqueline Merikhi
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Patent number: 6472811Abstract: A metal M is chosen from the group formed by Y, Al and La, and a watery solution of a complex of M and an organic chelating agent is added to a suspension of luminescent material, which causes a layer of M2O3 to be deposited on the luminescent material, which is then separated, dried, and fired.Type: GrantFiled: August 25, 1999Date of Patent: October 29, 2002Assignee: Koninklijke Philips Electronics N.V.Inventors: Thomas Jüstel, Jacqueline Merikhi, Hans Nikol, Cornelis R. Ronda
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Publication number: 20020149311Abstract: A luminescent screen, particularly a plasma display screen, with a luminescent material composition comprising a luminescent material with a coating comprising MgO is characterized in that the ignition voltage of the plasma is reduced by the high secondary electron emission so that low-cost drive electronics can be used for the luminescent screen.Type: ApplicationFiled: November 8, 1999Publication date: October 17, 2002Inventors: THOMAS JUSTEL, HANS NIKOL, JACQUELINE MERIKHI
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Publication number: 20020127329Abstract: The invention relates to a method of coating a luminescent material with a layer of a metal oxide M2O3 wherein a metal M is chosen from the group formed by Y, AI and La.Type: ApplicationFiled: May 10, 2002Publication date: September 12, 2002Inventors: Thomas Justel, Jacqueline Merikhi, Hans Nikol, Cornelis R. Ronda
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Patent number: 6417611Abstract: A display screen, in particular a color display screen for a cathode ray tube, comprises a phosphor layer which includes a phosphor composition of a phosphor with a coating comprising a water-soluble organic binder, which is selected from the group formed by the polyurethanes, polyacrylamides, polyamide resins, etherified melamine compounds and melamine-formaldehyde compounds, and etherified urea-formaldehyde resins, and comprising oxygen compounds of one or more elements selected from the group formed by the alkaline earth elements and zinc. Important advantages obtained are a substantially improved sieving behavior of the phosphor powder, an increased adhesion of pigment particles to the phosphor grains, an improved suspension stability as well as an improved adhesion of the phosphor to the display screen glass.Type: GrantFiled: July 29, 1999Date of Patent: July 9, 2002Assignee: Koninlijke Philips Electronics, N.V.Inventors: Friederike Picht, Wolfram Czarnojan, Claus Feldmann, Hans-Otto Jungk, Jacqueline Merikhi, Roel Van De Belt, Anne M. A. Van Dongen, Alexandra J. Heijden
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Publication number: 20020047620Abstract: A gas discharge lamp for dielectrically impeded discharges, which gas discharge lamp is provided with a discharge vessel filled with a gas filling, which discharge vessel comprises at least a wall of a dielectric material and at least a wall having a surface which is at least partly transparent to visible radiation and coated with a phosphor layer, which phosphor layer comprises a phosphor preparation of a phosphor powder and a coating, which coating comprises a compound selected from the group formed by the fluorides and orthophosphates of the elements magnesium, calcium, barium, aluminum, scandium, yttrium and lanthanum, and provided with an electrode structure for a dielectrically impeded discharge, and with means for igniting and maintaining the dielectrically impeded discharge.Type: ApplicationFiled: May 25, 2001Publication date: April 25, 2002Inventors: Claus Feldmann, Thomas Juestel, Cornelis Reinder Ronda, Hans Otto Jungk, Jacqueline Merikhi
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Patent number: 6093492Abstract: A phosphor composition of a sulphide-containing phosphor with a coating comprising a hydroxycarboxylic acid can be stored as a dry substance in the desagglomerated state and can be readily resuspended.Type: GrantFiled: December 2, 1997Date of Patent: July 25, 2000Assignee: U.S. Philips CorporationInventors: Michael Bredol, Jacqueline Merikhi
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Patent number: 6013314Abstract: A method of manufacturing a phosphor composition of a phosphor comprising a pigment coating of hematite, includes a first step in which the phosphor is coated with an iron-containing starting compound for hematite, and a second step, in which the phosphor with the coating is calcined, thereby converting the iron-containing starting compound for hematite into hematite. The calcining operation is carried out in an atmosphere of a gas mixture of water vapor and an oxidizing gas.Type: GrantFiled: July 24, 1998Date of Patent: January 11, 2000Assignee: U.S. Philips CorporationInventors: Michael Bredol, Jacqueline Merikhi, Dieter Wadow, Irmgard Kohler
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Patent number: 6010779Abstract: A display screen having a phosphor coating comprising a phosphor composition of a phosphor provided with a coating which comprises one or more oxgyen compounds of the elements zinc, aluminium, magnesium, calcium and barium as well as colloidal SiO.sub. particles, said colloidal SiO.sub.2 particles being composed of SiO.sub.2 particles having an average size of 4 nm.ltoreq.d.ltoreq.30 nm, corresponding to a specific surface of 100 m.sup.2 /g.ltoreq.A.sub.s .ltoreq.550 nm m.sup.2 /g, and SiO.sub.2 particles having an average size of 50 nm.ltoreq.d.ltoreq.150 nm, corresponding to a specific surface of 25 m.sup.2 /g.ltoreq.A.sub.s .ltoreq.70 m.sup.2 /g.Type: GrantFiled: October 5, 1997Date of Patent: January 4, 2000Assignee: U.S. Philips CorporationInventors: Friederike Picht, Jacqueline Merikhi, Joachim Opitz, Hans-Otto Jungk, Jan W. G. de Bakker, Miguel Boutelje, Arlis G. Van Braam, Frans H. A. Vollebregt
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Patent number: 5798059Abstract: A color display screen having a coating which comprises at least a greend an/or a red phosphor as well as at least a pigment having the following composition:Ga.sub.a In.sub.b Zn.sub.c Al.sub.d O.sub.n S.sub.m Se.sub.o Te.sub.pwherein0.05<a<1.95 0.0.ltoreq.n<0.30.05<b<1.95 2.1<m.ltoreq.30.00.ltoreq.c<0.09 0.0.ltoreq.o<0.30.00.ltoreq.d<0.2 0.0.ltoreq.p<0.3and n+m+o+p=3 and a+b+2/3c+d=2, yields a high-contrast and low-reflection picture, because the pigmentation in accordance with the invention is self-luminescent and its solid-solution properties enable its absorption properties to be accurately adapted to the emission spectrum of the phosphor. The solid solutions having the composition Ga.sub.a In.sub.b Zn.sub.c Al.sub.d O.sub.n S.sub.m Se.sub.o Te.sub.p are characterized by steep absorption edges in the yellow-orange spectral range and by a high absorptivity. This permits thin pigment-containing layers and small quantities of pigment to be used.Type: GrantFiled: December 9, 1996Date of Patent: August 25, 1998Assignee: U.S. Philips CorporationInventors: Michael Bredol, Jacqueline Merikhi, Dieter Wadow
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Patent number: 5744061Abstract: A color display screen comprising a coating which contains at least a green and/or a red phosphor and at least a pigment having the composition Zn.sub.3-3x In.sub.2xy Ga.sub.2x-2xy S.sub.3, wherein 0.2<x<0.97 and 0.1<y.ltoreq.1.0, yields a high-contrast and low-reflection picture, because the solid-solution properties of the pigmentation in accordance with the invention enable its absorption properties to be accurately adapted to the emission spectrum of the phosphor. The solid solutions having the above-mentioned composition are characterized by steep absorption edges in the yellow-orange spectral range and by a high absorptivity. This permits thin pigment-containing layers and small quantities of pigment to be used.Type: GrantFiled: December 9, 1996Date of Patent: April 28, 1998Assignee: U.S. Philips CorporationInventors: Michael Bredol, Jacqueline Merikhi, Dieter Wadow
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Patent number: 5498369Abstract: The invention relates to a method of manufacturing ZnS particles by wet-chemical precipitation from aqueous zinc salt solutions, ZnS being precipitated onto nuclei introduced into the solution. Nuclei of a controlled particle size and particle size distribution are obtained in that the nuclei of the aqueous precipitation solution are added in the form of a water-soluble organosol which contains the nuclei.Type: GrantFiled: July 20, 1994Date of Patent: March 12, 1996Assignee: U.S. Philips CorporationInventors: Michael Bredol, Jacqueline Merikhi, Cornelis Ronda