Patents by Inventor Charles D. Lang

Charles D. Lang 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).

  • PROCESS FOR FORMING AN ORGANIC ELECTRONIC DEVICE INCLUDING AN ORGANIC DEVICE LAYER
    Publication number: 20090155723
    Abstract: A process of forming an electronic device is disclosed. An organic device layer is formed. The organic device layer includes a charge-selective material and a radiation sensitizer and has a first electrical conductivity and a first surface energy. First portions of the organic device layer are selectively exposed to radiation. The electrical conductivity and surface energy of the first portions of the organic device layer are modified.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 18, 2009
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Charles D. Lang, Dmitry Kolosov, Johann Thomas Trujillo
  • PROCESS FOR FORMING AN ORGANIC ELECTRONIC DEVICE INCLUDING AN ORGANIC DEVICE LAYER
    Publication number: 20090142556
    Abstract: A process of forming an electronic device is disclosed. An organic device layer is formed. The organic device layer includes a charge-selective material and a radiation sensitizer and has a first electrical conductivity. First portions of the organic device layer are selectively exposed to radiation. The electrical conductivity of the first portions of the organic device layer is modified.
    Type: Application
    Filed: November 26, 2008
    Publication date: June 4, 2009
    Inventors: Charles D. Lang, Dmitry Kolosov, Johann Thomas Trujillo
  • Containment Structure For an Electronic Device
    Publication number: 20080309221
    Abstract: In one embodiment, a containment structure (230) for an organic composition (240) is provided. The containment structure (230) includes an undercut layer (210) and an overlying layer (220), wherein the undercut (210) and overlying (220) layers define a volume for receiving the organic composition (240) in liquid form.
    Type: Application
    Filed: December 29, 2005
    Publication date: December 18, 2008
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Charles D Lang, Stephan Claude De La Veaux, Paul Anthony Sant, Dennis Damon Walker, Stephen Sorich, Matthew Stainer
  • PROCESS FOR MAKING CONTAINED LAYERS
    Publication number: 20080286487
    Abstract: There is provided a process for forming a contained second layer over a first layer, including the steps: forming the first layer having a first surface energy and a first glass transition temperature; condensing an intermediate material over and in direct contact with the first layer to form an intermediate layer, said intermediate layer having a second surface energy which is lower than the first surface energy; patterning the intermediate layer to form uncovered areas of the first layer and covered areas of the first layer; and forming a contained second layer over the uncovered areas of the first layer. There is also provided a process for making an organic electronic device.
    Type: Application
    Filed: May 15, 2008
    Publication date: November 20, 2008
    Inventors: Charles D. Lang, Paul Anthony Sant, Alberto Goenaga
  • Electronic device including a guest material within a layer and a process for forming the same
    Publication number: 20080182009
    Abstract: There is provided a portable substrate carrier enclosure. The carrier enclosure has a carrier support; a displaceable cover; spacers between the support and cover; a gas inlet; and a removable lid. There is also provided an assembly and a process for depositing an air-sensitive material onto a substrate using the portable substrate carrier enclosure.
    Type: Application
    Filed: August 3, 2007
    Publication date: July 31, 2008
    Inventors: CHARLES D. LANG, JOSEPH ANTHONY PERROTTO, THOMAS PATRICK DALY, JAMES NELSON TILTON
  • Process for making contained layers and devices made with same
    Publication number: 20070218582
    Abstract: There is provided a process for forming a contained second layer over a first layer, including the steps: forming the first layer having a first surface energy; treating the first layer with a reactive surface-active composition to form a treated first layer having a second surface energy which is lower than the first surface energy; exposing the treated first layer with radiation; and forming the second layer. There is also provided an organic electronic device made by the process.
    Type: Application
    Filed: April 10, 2006
    Publication date: September 20, 2007
    Inventors: Charles D. Lang, Stephen Sorich, Charles Kenneth Taylor, Douglas Robert Anton, Alberto Goenaga, Paul Anthony Sant
  • Peel-apart photosensitive element
    Patent number: 5234790
    Abstract: A multilayer, photosensitive element comprising a coversheet, a photohardenable layer, a contiguous layer, an isolation layer, an adhesive layer, and a support, is described. The element is used for image reproduction.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: August 10, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Charles D. Lang, Scott D. McCalmont, John Choi, Anchi Hou, Alan Shobert