Patents by Inventor Ali Ghadiri Bayekolaee

Ali Ghadiri Bayekolaee 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).

  • System and methods for extraction of threshold and mobility parameters in AMOLED displays
    Patent number: 9280933
    Abstract: A system extracts effective parameters from a pixel circuit that includes a light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input, and a storage device to store a programming signal. The system measures the value of at least one operating parameter of the pixel circuit at a plurality of levels, and then extracts the value of at least one related parameter of the pixel circuit, based on the measured values of the at least one operating parameter. The measured values of the operating parameter are translated to effective values for driving the pixel circuit, based on the extracted value. Then effective parameters for driving effective devices in the pixel circuit are extracted, based on the translated values, and stored for use in compensating input signals to the pixel circuit.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: March 8, 2016
    Assignee: Ignis Innovation Inc.
    Inventors: Gholamreza Chaji, Ricky Yik Hei Ngan, Nino Zahirovic, Yaser Azizi, Arokia Nathan, Ali Ghadiri Bayekolaee
  • SYSTEM AND METHODS FOR EXTRACTION OF THRESHOLD AND MOBILITY PARAMETERS IN AMOLED DISPLAYS
    Publication number: 20140285407
    Abstract: A system extracts effective parameters from a pixel circuit that includes a light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input, and a storage device to store a programming signal. The system measures the value of at least one operating parameter of the pixel circuit at a plurality of levels, and then extracts the value of at least one related parameter of the pixel circuit, based on the measured values of the at least one operating parameter. The measured values of the operating parameter are translated to effective values for driving the pixel circuit, based on the extracted value. Then effective parameters for driving effective devices in the pixel circuit are extracted, based on the translated values, and stored for use in compensating input signals to the pixel circuit.
    Type: Application
    Filed: April 25, 2014
    Publication date: September 25, 2014
    Applicant: Ignis Innovation Inc.
    Inventors: Gholamreza Chaji, Ricky Yik Hei Ngan, Nino Zahirovic, Yaser Azizi, Arokia Nathan, Peyman Servati, Ali Ghadiri Bayekolaee