Patents by Inventor Amulkumar P. Ghosh

Amulkumar P. Ghosh 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).

  • Independently controlled stacked inverted organic light emitting diodes and a method of manufacturing same
    Patent number: 8883553
    Abstract: An OLED apparatus is provided that includes a first electrode having a first polarity, and an electrode arrangement spaced apart from the first electrode and having a second polarity. The OLED apparatus also includes a first organic emissive layer interposed between the first electrode and the electrode arrangement, and a second electrode spaced apart from the electrode arrangement in a direction opposite the first electrode. The second electrode has the first polarity. The OLED apparatus further includes a second organic emissive layer interposed between the second electrode and the electrode arrangement, and a drive circuit for providing a first energizing signal to the first electrode and the electrode arrangement and a second energizing signal to the second electrode and the electrode arrangement. A method for manufacturing an OLED array is provided.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: November 11, 2014
    Assignee: eMagin Corporation
    Inventors: Tariq Ali, Amulkumar P. Ghosh, Ilyas Khayrullin
  • INDEPENDENTLY CONTROLLED STACKED INVERTED ORGANIC LIGHT EMITTING DIODES AND A METHOD OF MANUFACTURING SAME
    Publication number: 20130033199
    Abstract: An OLED apparatus is provided that includes a first electrode having a first polarity, and an electrode arrangement spaced apart from the first electrode and having a second polarity. The OLED apparatus also includes a first organic emissive layer interposed between the first electrode and the electrode arrangement, and a second electrode spaced apart from the electrode arrangement in a direction opposite the first electrode. The second electrode has the first polarity. The OLED apparatus further includes a second organic emissive layer interposed between the second electrode and the electrode arrangement, and a drive circuit for providing a first energizing signal to the first electrode and the electrode arrangement and a second energizing signal to the second electrode and the electrode arrangement. A method for manufacturing an OLED array is provided.
    Type: Application
    Filed: October 9, 2012
    Publication date: February 7, 2013
    Applicant: EMAGIN CORPORATION
    Inventors: Tariq Ali, Amulkumar P. Ghosh, Ilyas Khayrullin
  • INDEPENDENTLY CONTROLLED STACKED INVERTED ORGANIC LIGHT EMITTING DIODES AND A METHOD OF MANUFACTURING SAME
    Publication number: 20110248244
    Abstract: An OLED apparatus is provided that includes a first electrode having a first polarity, and an electrode arrangement spaced apart from the first electrode and having a second polarity. The OLED apparatus also includes a first organic emissive layer interposed between the first electrode and the electrode arrangement, and a second electrode spaced apart from the electrode arrangement in a direction opposite the first electrode. The second electrode has the first polarity. The OLED apparatus further includes a second organic emissive layer interposed between the second electrode and the electrode arrangement, and a drive circuit for providing a first energizing signal to the first electrode and the electrode arrangement and a second energizing signal to the second electrode and the electrode arrangement. A method for manufacturing an OLED array is provided.
    Type: Application
    Filed: October 4, 2010
    Publication date: October 13, 2011
    Applicant: eMagin Corporation
    Inventors: Tariq Ali, Amulkumar P. Ghosh, Ilyas Khayrullin