Patents by Inventor Joseph Deaton

Joseph Deaton 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: 20070122655
    Abstract: An OLED device comprises a cathode, an anode, and located therebetween a light-emitting layer containing a host material and a tris-CˆN-cyclometallated complex of Ir or Rh wherein at least one of the ligands comprises a substituted quinazoline moiety. The device provides useful emission and stability attributes.
    Type: Application
    Filed: November 29, 2005
    Publication date: May 31, 2007
    Inventors: Joseph Deaton, Barbara Lussier
  • Publication number: 20070111026
    Abstract: An OLED device comprises an anode, a cathode and therebetween a light emitting layer containing a compound represented by Formula I below: wherein: each A is independently selected from N and P; each E is independently selected from N, P, and As; each Z is a radical independently selected from each R is an independently selected substituent; and each R? is independently selected from H and a substituent; provided that two substituent groups can join to form a ring.
    Type: Application
    Filed: November 15, 2005
    Publication date: May 17, 2007
    Inventors: Joseph Deaton, Richard Eisenberg
  • Publication number: 20070048544
    Abstract: An organic light-emitting device contains a cathode, an anode, and having located there-between a light-emitting layer, comprising: a) a host material including an organometallic compound represented by Formula (1): wherein: R1 through R6 each independently represent hydrogen or a substituent group, and L represents a substituent; and b) at least one phosphorescent light-emitting compound, with a triplet energy less than or equal to the triplet energy of the host material. The device provides an improved combination of low voltage and luminance efficiency.
    Type: Application
    Filed: August 29, 2005
    Publication date: March 1, 2007
    Inventors: Christopher Brown, David Place, Marina Kondakova, Joseph Deaton, Muhunthan Sathiosatham
  • Publication number: 20060264632
    Abstract: A process for forming a facial tris-cyclometallated iridium or rhodium complex isomer comprises heating an original solid composition containing meridional isomer of the metal complex at a temperature and for a time sufficient to form a product containing the facial isomer in an increased ratio to meridional isomer compared to the original composition.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Shouquan Huo, Joseph Deaton, Denis Kondakov
  • Publication number: 20060246315
    Abstract: An OLED device comprises, in sequence, an anode, a light-emitting layer that comprises a phosphorescent light-emitting organometallic compound, a hole-blocking layer, and a cathode, and between the hole-blocking layer and the cathode, a further layer containing: a) a first compound that has the lowest LUMO value of the compounds in the layer, the amount being greater than or equal to 10% by volume and less than 100% by volume of the layer; b) at least one second compound that is a low voltage electron transport material, exhibiting a higher LUMO value than the first compound, the total amount of said compound(s) being less than or equal to 90% by volume and more than 0% by volume of the layer. Such a device provides improved drive voltage.
    Type: Application
    Filed: April 27, 2005
    Publication date: November 2, 2006
    Inventors: William Begley, Tukaram Hatwar, Joseph Deaton, Christopher Brown, Natasha Andrievsky, Marina Kondakova
  • Publication number: 20060228578
    Abstract: An OLED device comprises a cathode, an anode, and located therebetween a light emitting layer containing a compound represented by formula (I): Am-M-Bn??(I) wherein m+n=2 or 3 and neither m nor n is 0; M is Ir, Pt, Os, Ru, Rh, or Pd; Am includes at least one ligand A having a triplet energy of at least 2.9 eV as measured in a homoleptic complex of M and A; and B is represented by the formula (II): wherein Q represents an atomic group forming a nitrogen-containing heterocyclic ring; and R5, R6, R7, R8 and R5? independently represent a hydrogen atom or a substituent.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 12, 2006
    Inventors: Xiaofan Ren, Joseph Deaton
  • Publication number: 20060223997
    Abstract: A process for forming a tris-cyclometallated complex comprises the step of reacting; a) an M(I) complex, wherein M represents Rh or Ir, and said complex comprises at least two ligands and contains at least two alkenyl groups pi-bonded to M, with b) a heterocyclic compound capable of forming a organometallic cyclometallated complex.
    Type: Application
    Filed: November 29, 2005
    Publication date: October 5, 2006
    Inventors: Barbara Lussier, Joseph Deaton
  • Publication number: 20060224007
    Abstract: A process for forming a tris-cyclometallated complex comprises the step of reacting; a) an M(I) complex, wherein M represents Rh or Ir, and said complex comprises at least two ligands and contains at least two alkenyl groups pi-bonded to M, with b) a heterocyclic compound capable of forming a organometallic cyclometallated complex.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 5, 2006
    Inventors: Barbara Lussier, Joseph Deaton
  • Publication number: 20060134460
    Abstract: An electroluminescent device comprises a cathode and an anode; and, located therebetween, a light-emitting layer (LEL) comprising at least one hole transporting co-host and at least one electron transporting co-host, together with at least one phosphorescent emitter, and wherein the triplet energy of each of the co-host materials is greater than the triplet energy of the phosphorescent emitter, and further containing an exciton blocking layer comprising a hole transporting material with triplet energy greater or equal to 2.5 eV adjacent the emitting layer on the anode side. The invention provides devices that emit light with high luminous efficiency at low voltage.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 22, 2006
    Inventors: Marina Kondakova, Joseph Deaton, Christopher Brown, Kevin Klubek, Shouquan Huo
  • Publication number: 20060134461
    Abstract: An electroluminescent device comprises a light-emitting layer containing an organometallic compound comprising a metal and a ligand that coordinates to the metal through at least four bonds as represented by Formula (1) wherein at least one is a carbon-metal bond: MX)n??(1) wherein M represents a metal, X represents an independently selected atom, n?4, at least one X is carbon, and all X are linked to form a multidentate ligand.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 22, 2006
    Inventors: Shouquan Huo, Joseph Deaton, Marina Kondakova, Christopher Brown
  • Publication number: 20060134459
    Abstract: An OLED device comprising a cathode, an anode, and having located therebetween a light emitting layer containing an emitting compound having formula (I): (piq)b M ppy ??(I) wherein piq is a phenylisoquinoline group and ppy is a phenylpyridine group bearing at least one further substituent on the pyridine ring, wherein M is Ir, Rh, Pt, or Pd and b is 2 in the case of Ir and Rh and 1 in the case of Pt and Pd.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 22, 2006
    Inventors: Shouquan Huo, Joseph Deaton
  • Publication number: 20060063031
    Abstract: An OLED device contains a layer comprising a hole transporting compound, a certain type of oxinoid compound, and a light emitting phosphorescent compound.
    Type: Application
    Filed: December 17, 2004
    Publication date: March 23, 2006
    Inventors: Christopher Brown, Joseph Deaton, David Place, Marina Kondakova, Shouquan Huo
  • Publication number: 20060063030
    Abstract: An organic light emitting device contains a cathode, an anode, and has located there-between a light emitting layer, comprising co-hosts including a hole transporting compound and a particular aluminum chelate, together with at least one light emitting Iridium compound, wherein the Iridium compound is a tris CˆN-cyclometallated complex with a triplet energy less than or equal to the triplet energy of each of the co-hosts.
    Type: Application
    Filed: December 17, 2004
    Publication date: March 23, 2006
    Inventors: Joseph Deaton, Christopher Brown, David Place, Marina Kondakova, Shouquan Huo
  • Publication number: 20050288506
    Abstract: A process for forming an organometallic cyclometallated Group viiib metal complex comprises reacting a Group viiib metal compound with a heterocyclic compound capable of forming an organometallic cyclometallated complex in the presence of a solvent comprising an aromatic oxygen containing compound.
    Type: Application
    Filed: June 29, 2004
    Publication date: December 29, 2005
    Inventor: Joseph Deaton
  • Publication number: 20050288507
    Abstract: A process for forming a tris-cyclometallated iridium or rhodium complex comprises reacting in the presence of a solvent: a) a bis-cyclometallated complex comprising an Ir(III) or Rh(III) metal, two bidentate ligands, two monodentate ligands and a counterion, and b) a heterocyclic compound capable of forming an organometallic cyclometallated complex.
    Type: Application
    Filed: June 29, 2004
    Publication date: December 29, 2005
    Inventor: Joseph Deaton
  • Publication number: 20050123792
    Abstract: Disclosed is an electroluminescent device comprising a light-emitting layer containing a phosphorescent light emitting material that contains an organometallic complex comprising a metal selected from the group consisting of Ir, Rh, Os, Pt, and Pd and a pyrazole compound fused with at least one aromatic ring. The device provides useful light emissions.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 9, 2005
    Inventors: Joseph Deaton, Zbyslaw Owczarczyk, David Giesen
  • Publication number: 20050123788
    Abstract: Disclosed is an electroluminescent device comprising a light-emitting layer containing a light emitting material that contains an organometallic complex comprising a metal selected from the group consisting of Pt, Pd and Ir, and a tridentate (N{circumflex over (?)}C{circumflex over (?)}N) ligand, wherein the tridentate (N{circumflex over (?)}C{circumflex over (?)}N) ligand represents a ligand that coordinates to the metal through a nitrogen donor bond, a carbon-metal bond, and a nitrogen donor bond, in that order, wherein at least one of the nitrogen donors is part of an aromatic ring or an imine group. The invention also includes a display or room lighting device employing the device of the invention and a process of emitting light from the device of the invention. The device of the invention provides good luminance efficiency.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 9, 2005
    Inventors: Shouguan Huo, Joseph Deaton, Allan Sowinski
  • Publication number: 20050123791
    Abstract: Disclosed is an electroluminescent device comprising a cathode and anode, and therebetween, at least two light-emitting layers wherein the first layer, layer A, comprises a phosphorescent light-emitting organometallic compound comprising iridium and an isoquinoline group and a second layer, layer B, comprising a light-emitting material. Such devices provide useful white light emissions.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 9, 2005
    Inventors: Joseph Deaton, Tukaram Hatwar, Denis Kondakov, Christopher Brown
  • Publication number: 20050123787
    Abstract: Disclosed is a useful electroluminescent device comprising a cathode, an anode, and therebetween a light emitting layer containing a host material and a phosphorescent light-emitting material wherein the host material is represented by formula (1): X?-A-X? ??(1) wherein: A is selected from the group consisting of an unsubstituted phenylene ring, a biphenylene group, a terphenylene group, a naphthylene group, and a fluorene group; and each of X? and X? is an independently selected aromatic group bearing an ortho aromatic substituent.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 9, 2005
    Inventors: Douglas Robello, Joseph Deaton, David Giesen, Christopher Brown, Jianmin Shi
  • Publication number: 20050123794
    Abstract: Disclosed is an electroluminescent device comprising a cathode and anode, and, located therebetween, at least one “A” layer containing a fluorescent material that emits blue light and a hydrocarbon host and at least one “B” layer containing a phosphorescent yellow-light-emitting material. The invention also provides a display or area lighting device and a process for emitting light using the device. The device provides useful light emission.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 9, 2005
    Inventors: Joseph Deaton, Tukaram Hatwar, Denis Kondakov