1
Arokia Nathan, Peyman Servati, Kapil Sakariya, Anil Kumar: Pixel current driver for organic light emitting diode displays. Ignis Innovation, Pearne & Gordon, August 19, 2008: US07414600 (160 worldwide citation)

A pixel current driver comprises a plurality of thin film transistors (TFTs) each having dual gates and for driving OLED layers. A top gate of the dual gates is formed between a source and a drain of each of the thin film transistors, to thereby minimize parasitic capacitance. The top gate is ground ...


2
Arokia Nathan, Gholamreza Reza Chaji, Peyman Servati: Method and system for programming, calibrating and driving a light emitting device display. Ignis Innovation, Pearne & Gordon, November 17, 2009: US07619597 (159 worldwide citation)

A method and system for programming, calibrating and driving a light emitting device display is provided. The system may include extracting a time dependent parameter of a pixel for calibration.


3
Arokia Nathan, Peyman Servati, Kapil Sakariya, Anil Kumar: Pixel driver circuit and pixel circuit having the pixel driver circuit. Ignis Innovation, Pearne & Gordon, August 4, 2009: US07569849 (147 worldwide citation)

A pixel driver circuit for driving a light-emitting element and a pixel circuit having the pixel driver circuit are provided. The pixel driver circuit includes a data line, address lines, switch thin film transistors, feedback thin film transistors and drive thin film transistors. The pixel circuit ...


4
Arokia Nathan, Peyman Servati, Karim S Karim: Organic light emitting diode display having shield electrodes. Ignis Innovation, Pearne & Gordon, July 24, 2007: US07248236 (144 worldwide citation)

An organic light emitting diode (OLED) display includes at least one shield electrode between a cathode layer and an OLED drive circuit. The OLED drive circuit has at least one thin-film transistor (TFT), and the shield electrode is disposed to correspond to the thin-film transistor and closer to th ...


5
Nathan Arokia, Chaji Reza G, Peyman Servati: System and driving method for active matrix light emitting device display. Ignis Innovation, Nathan Arokia, Chaji Reza G, Peyman Servati, HARRIS John, May 26, 2006: WO/2006/053424 (113 worldwide citation)

Active matrix light emitting device display and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A capacitor may be used to store a voltage applied to a driving transistor so that a current through the light emitting device is independent ...


6
Arokia Nathan, Yuriy Vygranenko, Shahin Jafarabadiashtiani, Peyman Servati: Circuit and method for driving an array of light emitting pixels. Ignis Innovation, Nixon Peabody, July 12, 2011: US07978187 (93 worldwide citation)

A technique for driving a column of pixels that include light emitting elements. The technique incorporates feedback data provided from feedback data sources connected to the data line and to feedback line of the array, pixel driving circuit with feedback path. The technique can also include block o ...


7
Arokia Nathan, Gholamreza Reza Chaji, Peyman Servati: Method and system for programming, calibrating and driving a light emitting device display. Ignis Innovation, Nixon Peabody, September 4, 2012: US08259044 (89 worldwide citation)

A method and system for programming, calibrating and driving a light emitting device display is provided. The system may include extracting a time dependent parameter of a pixel for calibration.


8
Arokia Nathan, Gholamreza Reza Chaji, Peyman Servati: System and driving method for active matrix light emitting device display. Ignis Innovation, Nixon Peabody, February 15, 2011: US07889159 (40 worldwide citation)

Active matrix light emitting device display and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A capacitor may be used to store a voltage applied to a driving transistor so that a current through the light emitting device is independent ...


9
Arokia Nathan, Gholamreza Reza Chaji, Peyman Servati: Voltage programmed pixel circuit, display system and driving method thereof. Ignis Innovation, Nixon Peabody, October 25, 2011: US08044893 (34 worldwide citation)

A voltage programmed pixel circuit, display system having the pixel circuit and driving method thereof is provided. The pixel circuit includes a light emitting device, a driving transistor connected to the light emitting device and a programming circuit. The programming circuit adjusts a pixel curre ...


10
Arokia Nathan, Gholamreza Reza Chaji, Peyman Servati: System and driving method for active matrix light emitting device display. Ignis Innovation, Nixon Peabody, November 27, 2012: US08319712 (31 worldwide citation)

Active matrix light emitting device display and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A capacitor may be used to store a voltage applied to a driving transistor so that a current through the light emitting device is independent ...