Patents by Inventor Tommie L. Royster, Jr.

Tommie L. Royster, Jr. 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: 8324800
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter that emits yellow, orange or red light; a tertiary arylamine compound as a first host material, and a gallium complex with only nitrogen bidentate ligands as a second host material. Desirably, the phosphorescent emitter is an iridium complex.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: December 4, 2012
    Assignee: Global OLED Technology LLC
    Inventors: Tommie L. Royster, Jr., Marina E. Kondakova
  • Patent number: 8277697
    Abstract: A color filter having a filter layer comprising a fluorinated phthalocyanine pigment and at least one second pigment. In one embodiment, the second pigment has a maximum absorption at a wavelength from 400 to 500 nm to create a green color filter.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: October 2, 2012
    Assignee: Global Oled Technology LLC
    Inventors: Tommie L. Royster, Jr., Paula J. Alessi, Donald R. Diehl
  • Patent number: 7709105
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter and a host comprising a first aluminum or gallium complex containing at least one 2-(2-hydroxyphenyl)pyridine ligand and at least one phenoxy ligand, wherein the phenoxy ligand is substituted by an amine or there is further present adjacent to the light-emitting layer on the cathode side a layer containing a second aluminum or gallium complex containing at least one 2-(2-hydroxyphenyl)pyridine ligand and at least one phenoxy ligand.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: May 4, 2010
    Assignee: Global OLED Technology LLC
    Inventors: Denis Y. Kondakov, Tommie L. Royster, Jr., Christopher T. Brown
  • Publication number: 20100102283
    Abstract: A color filter having a filter layer comprising a fluorinated phthalocyanine pigment and at least one second pigment. In one embodiment, the second pigment has a maximum absorption at a wavelength from 400 to 500 nm to create a green color filter.
    Type: Application
    Filed: October 29, 2008
    Publication date: April 29, 2010
    Inventors: Tommie L. Royster, JR., Paula J. Alessi, Donald R. Diehl
  • Publication number: 20090309487
    Abstract: An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter that emits yellow, orange or red light; a tertiary arylamine compound as a first host material, and a gallium complex with only nitrogen bidentate ligands as a second host material. Desirably, the phosphorescent emitter is an iridium complex.
    Type: Application
    Filed: June 12, 2008
    Publication date: December 17, 2009
    Inventors: Tommie L. Royster, JR., Marina E. Kondakova
  • Patent number: 7628849
    Abstract: Fluorinated bis-(phthalocyanylaluminoxy)silyl bridged cyan or blue-green pigments according to formula (I): wherein R1 and R2 are independently substituted or unsubstituted alkyl, alkenyl, alkynyl, or cycloalkyl groups with eight or less carbon atoms or aryl groups with ten or less carbon atoms; R3 is a divalent linking group comprising oxygen, R1R2Si, substituted or unsubstituted alkyl, alkenyl, alkynyl cycloalkyl or aryl groups; R1, R2, and R3 may comprise the elements of a cyclic ring; n is 1-4; and z is 1-4.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: December 8, 2009
    Assignee: Eastman Kodak Company
    Inventors: Donald R. Diehl, Tommie L. Royster, Jr., Andrew J. Hoteling, Steven G. Link
  • Patent number: 7585363
    Abstract: A method for preparing a nanodispersion comprising the steps of: (i) introducing into a milling apparatus a solid fluorinated phthalocycanine pigment according to Formula (I): Wherein M is a metal cation chosen from Groups 1b, 2b, 2a or 3a of the Periodic Table of the Elements; R is fluorine, a perfluoroalkyl or a perfluoroaryl group; z is 1 to 4; L is an anionic ligand; and n is 0 or 1 such that the overall charge on the molecular unit is neutral; followed by milling with agitation the solid fluorinated phthalocyanine in an organic solvent into a suspension of particles so that at least 80 volume % of the particles have a particle size of less than 100 nm.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: September 8, 2009
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., Marina E. Kondakova, Peter G. Bessey
  • Patent number: 7569288
    Abstract: An OLED device comprises an anode, a light emitting layer, a first layer, a second layer contiguous to the first layer, and a cathode, in that order. The first layer includes a first complex comprising gallium and the second layer includes a second complex also comprising gallium and wherein the second complex has a more negative LUMO than the first complex. Such materials can provide an improvement in one or more of luminance, drive voltage, and stability.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: August 4, 2009
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., Michele L. Ricks
  • Publication number: 20090001885
    Abstract: A tandem OLED device having two spaced electrodes comprising first and second light-emitting units disposed between the electrodes wherein each light emitting unit has at least one light emitting layer with an intermediate connector disposed between each of the light-emitting units. The intermediate connector includes an electron accepting organic layer in contact with the first light emitting unit and an n-type doped organic layer in contact with the electron accepting organic layer and the second light-emitting unit. The n-type doped organic layer includes an organic gallium complex. The devices exhibit improved stability and little change in color when current density is varied.
    Type: Application
    Filed: June 27, 2007
    Publication date: January 1, 2009
    Inventors: Jeffrey P. Spindler, Tukaram K. Hatwar, Tommie L. Royster, JR.
  • Patent number: 7462405
    Abstract: Disclosed is an electroluminescent device comprising a light-emitting layer containing a light emitting phosphorescent material that contains an organometallic complex comprising a metal selected from the group consisting of Mo, W, Re, Ru, and Os that is coordinated to a neutral or negatively-charged ligand group through the ? electrons of the ligand with a hapticity greater than 2. The device provides useful light emissions.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: December 9, 2008
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., David J. Giesen, Adam Freeman
  • Patent number: 6803182
    Abstract: A gallium halide coordination complex is described of the formula (I): [RxNHy]3GaX6 wherein R represents a lower alkyl group of from 1-3 carbon atoms; X is Cl, Br, or I; and x is from 1-3, y is from 1-3, and x+y=4. In a further aspect, a process for incorporating gallium in a silver halide emulsion is described comprising precipitating silver halide emulsion grains in a reaction vessel, wherein a gallium halide coordination complex of the formula (I) is introduced into the reaction vessel or formed in situ during precipitation of the silver halide grains. The isolation, or in-situ preparation, of a six coordinate gallium halide complex of Formula (I) in accordance with the invention has been found to enable the preparation of gallium doped silver halide emulsions with improved speed/grain performance.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: October 12, 2004
    Assignee: Eastman Kodak Company
    Inventor: Tommie L. Royster, Jr.
  • Patent number: 6740483
    Abstract: A process for incorporating dopants in a silver halide emulsion is described comprising precipitating silver halide emulsion grains in a reaction vessel, wherein at least one gallium dopant, at least one Group 8 metal dopant, and at least one selenium dopant are introduced into the reaction vessel during precipitation of the silver halide grains; where the gallium dopant is introduced in the form of a gallium halide coordination complex of the formula (I): [RxNHy]3GaX6 wherein R represents a lower alkyl group of from 1-3 carbon atoms; X is Cl, Br, or I; and x is from 1-3, y is from 1-3, and x+y=4; and the Group 8 metal dopant satisfies the formula (II): [ML6]n wherein n is −2, −3 or −4; M is a Fe+2, Ru+2, or Os+2 ion; and L6 represents bridging ligands which can be independently selected, provided that at least four of the ligands are anionic ligands, and at least one of the ligands is a cyano ligand or a ligand more electronegative than a c
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: May 25, 2004
    Assignee: Eastman Kodak Company
    Inventor: Tommie L. Royster, Jr.
  • Patent number: 6656674
    Abstract: A photographic element which comprises a support bearing: (i) a first radiation-sensitive silver halide emulsion image-forming layer comprising a high bromide tabular grain emulsion including tabular grains having {111} major faces, exhibiting an average thickness of at least 0.07 &mgr;m and an average aspect ratio of at least 2; and (ii) a second radiation-sensitive silver halide emulsion image-forming layer comprising an ultrathin tabular grain emulsion including tabular grains having {111} major faces, containing greater than 70 mole percent bromide and at least 0.25 mole percent iodide, exhibiting an average thickness of less than 0.07 &mgr;m and an average equivalent circular diameter of at least 0.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: December 2, 2003
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., John E. Keevert, Jr., Sharon G. Johnston, Donald L. Black, David W. Sandford
  • Patent number: 6593072
    Abstract: A process of sensitizing a tabular grain emulsion containing the steps of (i) providing a tabular grain host emulsion comprised of a dispersing medium and silver halide grains including tabular grains having {111} major faces and an aspect ratio of at least 2, which contain greater than 50 mole percent bromide, based on silver, and which account for greater than 50 percent of total grain projected area; (ii) adding a thiosulfonate compound of the following Formula I at the surface of the tabular grains of the host emulsion: Z1SO2SZ2  (I) where Z1 represents is a substituted or unsubsituted aliphatic, aromatic, or heterocyclic group, and Z2 represents a substituted or unsubsituted aliphatic, aromatic, or heterocyclic group, or a monovalent metal or organic cation, where Z1 and Z2 may combine together to form a ring structure or either of Z1 or Z2 may comprise a polymeric backbone wherein the thiosulfonate group may be repeated; and (iii) adding silver and halide ions, where the halide
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: July 15, 2003
    Assignee: Eastman Kodak Company
    Inventor: Tommie L. Royster, Jr.
  • Patent number: 5871896
    Abstract: A dimethylamine silver bromide complex is used as a single source precursor for nucleation of silver bromide crystals.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: February 16, 1999
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., David E. Fenton, Seshadri Jagannathan, Joseph J. Tiberio
  • Patent number: 5866314
    Abstract: A dimethylamine silver chloro-iodide complex is used as a single source precursor for iodide incorporation in silver chloride crystals.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: February 2, 1999
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., Seshadri Jagannathan, Jerzy A. Budz, Jerzy Z. Mydlarz
  • Patent number: 5856079
    Abstract: A dimeitylarnine silver bromo-iodide complex is used as a single source precursor for iodide incorporation in silver bromide crystals.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: January 5, 1999
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., Seshadri Jagannathan, David E. Fenton, Samuel Chen
  • Patent number: 5856080
    Abstract: A dimethylamine silver chloride complex is used as a single source precursor for nucleation of silver chloride crystals.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: January 5, 1999
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., Seshadri Jagannathan, David G. Juhas, Heinz E. Stapelfeldt
  • Patent number: 5759762
    Abstract: A solution containing a dimethylamine silver chloro-iodide complex is added with an antifoggant to a silver chloride emulsion to form a stable AgICl emulsion.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: June 2, 1998
    Assignee: Eastman Kodak Company
    Inventors: Jerzy A. Budz, Seshadri Jagannathan, Tommie L. Royster, Jr.
  • Patent number: 5629435
    Abstract: Tungsten carboxylate compounds useful for coating interdigitated electrodes used in hydrogen sulfide gas sensors are disclosed. A method of coating electrodes with the compounds using a precise solution casting technique such as spin-coating or casting, dip-casting or spray-casting techniques is also described. Electrodes which are solution coated with the compounds may be used to fabricate superior quality chemiresistor sensors for use in hydrogen sulfide gas sensing devices by heating the carboxylates above 350.degree. C. to decompose certain carboxylates to WO.sub.3 and others to sodium tungstate.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: May 13, 1997
    Assignee: Eastman Kodak Company
    Inventors: Tommie L. Royster, Jr., Gustavo R. Paz-Pujalt, Dilip K. Chatterjee, Carl A. Marrese