Patents by Inventor Hany Aziz

Hany Aziz 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: 20070281228
    Abstract: An electrophotographic imaging member includes a substrate, a charge generating layer, a charge transport layer, and an overcoating layer, the overcoating layer being a cured film formed from a composition including at least a hydroxyl group-containing polymer or oligomer, a benzoguanamine compound containing at least one —CH2OR group, wherein each such R is independently an H atom or an alkyl group having from 1 to about 20 carbon atoms, and a charge transport compound.
    Type: Application
    Filed: June 1, 2006
    Publication date: December 6, 2007
    Applicant: XEROX CORPORATION
    Inventors: Nan-Xing Hu, Kathy L. De Jong, Hany Aziz
  • Publication number: 20070281226
    Abstract: An electrophotographic imaging member includes at least one layer including a hole transport material and a strong electron acceptor material, such as an electro photographic imaging member including a substrate, a charge generating layer, a hole transport layer, and an optional overcoating layer, wherein at least one layer of the electrophotographic imaging member comprises a strong electron acceptor material.
    Type: Application
    Filed: June 5, 2006
    Publication date: December 6, 2007
    Applicant: XEROX CORPORATION
    Inventors: Hany AZIZ, Gregory McGuire, Johann Junginger
  • Patent number: 7291404
    Abstract: The present invention is an organic light emitting device (OLED) comprising an anode, a cathode and a luminescent region provided between the anode and the cathode. The luminescent region comprises an electron injection and transporting zone and at least one of a hole injection and transporting zone and a mixed charge transport layer. One or both of the electron injection and transporting zone and the mixed charge transporting layer comprises an azole compound represented by formula I and/or II. The provision of the novel azole compounds of the invention as electron transport materials within an organic electroluminescent device advantageously reduces power consumption and increases power conversion efficiency within the device and as such, are suitable for a variety of display applications.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: November 6, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Hany Aziz, George Vamvounis, Nan-Xing Hu, Zoran D. Popovic, Jennifer A. Coggan
  • Patent number: 7288887
    Abstract: A display device composed of: (a) a cathode; (b) an anode; (c) a luminescent region between the cathode and the anode; and (d) an optional region adjacent to the cathode or the anode, wherein the device includes a plurality of metal-organic mixed layers disposed at one or more of the cathode, the anode, the luminescent region and the optional region, wherein each of the metal-organic mixed layers includes: (i) an inorganic metal containing material, and (ii) an organic material.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: October 30, 2007
    Assignee: LG.Philips LCD Co. Ltd.
    Inventors: Hany Aziz, Ryan Norris, Zoran D. Popovic, Anthony J. Paine, Jennifer A. Coggan, Nan-Xing Hu
  • Publication number: 20070166634
    Abstract: An electrophotographic imaging member includes a substrate, a charge generating layer, a charge transport layer, and an overcoating layer, the overcoating layer being a cured film formed from a film forming resin composition including at least a melamine compound, a polyol, and a charge transport compound, where the charge transport compound is represented by: QL-OH]n. where Q represents a charge transport component, L represents a divalent linkage group, and represents a number of repeating segments or groups.
    Type: Application
    Filed: January 13, 2006
    Publication date: July 19, 2007
    Applicant: XEROX CORPORATION
    Inventors: Yu QI, Hany Aziz, Nan-Xing Hu, Ah-Mee Hor, Kenny-Tuan Dinh, John Yanus
  • Publication number: 20070145886
    Abstract: An organic electroluminescent device includes an anode, a cathode, and a light emitting zone including a material that at least one of reduces triplet/triplet interaction, reduces triplet/singlet interaction, and reduces singlet/singlet interaction.
    Type: Application
    Filed: December 27, 2005
    Publication date: June 28, 2007
    Applicant: LG. PHILIPS LCD CO., LTD.
    Inventors: Hany Aziz, Zoran Popovic, Nan-Xing Hu, Jennifer Coggan, Anthony Paine
  • Publication number: 20070141390
    Abstract: This invention discloses a new class of bifunctional blue emitting materials for organic electroluminescent (EL) applications. These compounds contain two functionalities: an emission chromophore comprised of an anthryl group and an electron transport group. Employment of these compounds improves device efficiency and stability.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jennifer Coggan, Nan-Xing Hu, Hany Aziz, George Vamvounis
  • Publication number: 20070138948
    Abstract: An organic electroluminescent device includes an anode, a cathode, and a light emitting zone including a hole transport region and an electron transport region. The hole transport region include a hole impeding material located non-adjacent the anode.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Hany Aziz, Zoran Popovic, Nan-Xing Hu
  • Publication number: 20070141389
    Abstract: An organic electroluminescent material and a device using the same wherein the electroluminescent material is a charge transport indenofluorene selected from one of Formula (I) and Formula (II) wherein R and R? are independently selected from the group consisting of a hydrogen atom, halogen atom, cyano, alky, alkoxyl, alicyclic alkyl, substituted or unsubstituted aryl or heteroaryl, and dialkylamino; m and n are numbers of 0 to 4; R1, R2, R5, and R6 are independently selected from the group consisting of hydrogen, an alkyl, a substituted or unsubsituted aryl, or an heteroaryl, an alkoxy, and vinyl; R3 and R4 are independently selected from the group consisting of a hydrogen atom, halogen atom, alkyl, alkoxy, and substituted or unsubstituted aryl or heteroaryl; and p is 1 or greater.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jennifer Coggan, Nan-Xing Hu, Hany Aziz
  • Publication number: 20070141392
    Abstract: Novel organic light emitting devices (OLEDs) with hexatriene derivative compounds that allow for the creation of brighter, more efficient, and more stable blue light emitting device. The class of compounds used in this novel class of OLEDs include compounds selected from the group consisting of general formulas: wherein R is a substituent selected from the group consisting of hydrogen, and substituted or unsubstituted aryl or heteroaryl, phenyl, tolyl, xylyl tert-butylphenyl, methoxyphenyl, 3,5-diphenylphenyl, 3,5-bis(p-tert-butylphenyl)phenyl, biphenyl, naphthyl, anthryl, phenylanthryl, diphenylanthryl, and halophenyl.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: LG. PHILIPS LCD CO., LTD.
    Inventors: Jennifer Coggan, Hany Aziz
  • Publication number: 20070138947
    Abstract: A white organic light emitting device includes an anode; a cathode; and a light emitting region comprising one or more phosphorescent materials that emit red light, one or more phosphorescent materials that emit green light, and one or more fluorescent materials that emit blue light.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Zoran Popovic, Hany Aziz
  • Publication number: 20070141391
    Abstract: A novel class of host materials for organic electroluminescent applications.
    Type: Application
    Filed: December 21, 2005
    Publication date: June 21, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jennifer Coggan, Hany Aziz
  • Patent number: 7169482
    Abstract: A device includes: an anode; a cathode; and a luminescent region between the cathode and the anode, wherein the luminescent region includes an anthracene derivative compound and a triazine derivative compound.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: January 30, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Hany Aziz, Nan-Xing Hu, Zoran D. Popovic, Ah-Mee Hor
  • Publication number: 20060261727
    Abstract: A display device comprising a thin metal-organic mixed layer (MOML) comprising a metal (containing material) and an organic material, and having a thickness of less than 175 nm. A thin metal-organic mixed layer may be of a single or multi-layer configuration. The percent reflectance of a device may be controlled by varying the thickness of the MOML(s) and the metal component and concentration thereof in the MOML(s).
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Hany Aziz, Zoran Popovic, Nemanja Stefanovic, Jennifer Coggan
  • Publication number: 20060261731
    Abstract: A stacked OLED device comprises a plurality of individual OLEDs in a vertical stacked arrangement separated by intermediate electrodes, wherein at least one of the individual OLEDs includes a light emitting region or zone comprising a mixed region; the mixed region comprising a mixture of a hole transport material, an electron transport material, and optionally a dopant.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Hany Aziz, Jennifer Coggan
  • Publication number: 20060263628
    Abstract: A display device comprises an anode, a cathode, and a luminescent region disposed between the anode and the cathode, wherein the anode comprises a metal-organic mixed layer operatively combined with an electron-accepting material. An anode may comprise a mixture of a metal-organic mixed layer and an electron-accepting material within a single layer of the anode. Alternatively, the anode may have a multilayer configuration comprising a metal-organic mixed layer and a buffer layer adjacent the metal-organic mixed layer, wherein the buffer layer comprises an electron-accepting material and optionally a hole transport material.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Hany Aziz, Nemanja Stefanovic, Jennifer Coggan, Anthony Paine, Zoran Popovic
  • Publication number: 20060263629
    Abstract: A stacked OLED includes a first electrode, a second electrode, a plurality of luminescent regions disposed between the first and second electrodes, and an intermediate electrode disposed between successive luminescent regions. At least one intermediate electrode comprise a metal-organic mixed layer disposed between a first charge injecting layer and a second charge injecting layer.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Hany Aziz, Nemania Stefanovic, Jennifer Coggan, Zoran Popovic
  • Publication number: 20060263593
    Abstract: A display device comprising a light-absorbing layer comprising metal nanoparticles in a matrix material. Suitable matrix materials include organic materials, inorganic materials, polymeric materials, and combinations thereof. The metal nanoparticles may have various regular or irregular shapes and/or two-dimensional or three-dimensional structures. The metal nanoparticles may have a particle size of from about 2 to about 20 nm. In embodiments, the particle size distribution of the nanoparticles does not exceed +/?75%. The light-absorbing layer may have a multiple layer configuration comprising 2 or more individual light-absorbing layers. The light-absorbing layer(s) reduces the reflection of ambient light in a display device.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventors: Hany Aziz, Anthony Paine, Zoran Popovic
  • Publication number: 20060251919
    Abstract: The present invention relates to organic light emitting devices (OLEDs) comprising an electroluminescent material layer comprising a mixture of at least two materials having different electron and hole transport capacities, and an electron transport layer comprising a triazine. Display devices comprising the OLEDs are also disclosed.
    Type: Application
    Filed: May 4, 2005
    Publication date: November 9, 2006
    Inventors: Hany Aziz, Zoran Popovic, Jennifer Coggan, Nan-Xing Hu
  • Publication number: 20060251920
    Abstract: The present invention relates to organic light emitting devices (OLEDs) containing an electron transport layer comprising a triazine. The triazine can be doped with at least one of organic and inorganic materials. A display device comprising the OLEDs is also disclosed.
    Type: Application
    Filed: May 4, 2005
    Publication date: November 9, 2006
    Inventors: Hany Aziz, Zoran Popovic, Jennifer Coggan, Nan-Xing Hu