1
Nathan Arokia, Chaji Gholamreza Reza, Servati Peyman: Method and system for programming, calibrating and driving a light emitting device display. Ignis Innovation, Nathan Arokia, Chaji Gholamreza Reza, Servati Peyman, HARRIS John D, June 22, 2006: WO/2006/063448 (156 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.


2
Nathan Arokia, Chaji Reza G: Method and system for driving an active matrix display circuit. Ignis Innovation, Nathan Arokia, Chaji Reza G, HARRIS John D, July 19, 2007: WO/2007/079572 (115 worldwide citation)

A method and system for driving an active matrix display is provided. The system includes a drive circuit for a pixel having a light emitting device. The drive circuit includes a drive transistor for driving the light emitting device. The system includes a mechanism for adjusting the gate voltage of ...


3
Nathan Arokia, Sakariya Kapil V, Servati Peyman, Jafarabadiashtiani Shahin: Pixel driver circuit. Ignis Innovation, Nathan Arokia, Sakariya Kapil V, Servati Peyman, Jafarabadiashtiani Shahin, HARRIS John D, March 31, 2005: WO/2005/029455 (113 worldwide citation)

A pixel circuit for use in a display comprising a plurality of pixels is provided. The load-balanced current mirror pixel circuit can compensate for device degradation and/or mismatch, and changing environmental factors like temperature and mechanical strain. The pixel circuit comprises a pixel driv ...


4
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 ...


5
Nathan Arokia, Vygranenko Yuriy, Jafarabadiashtiani Shahin, Servati Peyman: Circuit and method for driving an array of light emitting pixels. Ignis Innovation, Nathan Arokia, Vygranenko Yuriy, Jafarabadiashtiani Shahin, Servati Peyman, HARRIS John D, March 31, 2005: WO/2005/029456 (96 worldwide citation)

A technique for driving a column of pixels that include light emitting elements is presented. 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 in ...


6
Nathan Arokia, Huang Rick, Alexander Stefan: Voltage-programming scheme for current-driven amoled displays. Ignis Innovation, Nathan Arokia, Huang Rick, Alexander Stefan, HARRIS John D, January 5, 2006: WO/2006/000101 (89 worldwide citation)

A system and method for driving an AMOLED display is provided. The AMOLED display includes a plurality of pixel circuits. A voltage-programming scheme, a current-programming scheme or a combination thereof is applied to drive the display. Threshold shift information, and/or voltage necessary to obta ...


7
Nathan Arokia, Chaji G Reza: High aperture ratio pixel layout for display device. Ignis Innovation, Nathan Arokia, Chaji G Reza, HARRIS John D, May 7, 2009: WO/2009/055920 (86 worldwide citation)

A display device, pixel layout and method of forming the same is provided. The display device includes: a plurality of pixels formed in a pixel array area; and a power supply grid for distributing power to the pixels. Each pixel has a light emitting device and a plurality of transistors. The power s ...


8
Nathan Arokia, Chaji Reza G: Driving circuit for current programmed organic light-emitting diode displays. Ignis Innovation, Nathan Arokia, Chaji Reza G, HARRIS John D, August 17, 2006: WO/2006/084360 (82 worldwide citation)

A load driving circuit for a load having a parasitic capacitance associated therewith is provided. The load being current programmed. The driving circuit has a data line having a voltage controlling the load, a feedback loop having a lowpass filter for monitoring the voltage of the data line; and a ...


9
Nathan Arokia, Chaji G Reza, Alexander Stefan: System and driving method for light emitting device display. Ignis Innovation, Nathan Arokia, Chaji G Reza, Alexander Stefan, HARRIS John D, October 22, 2009: WO/2009/127065 (40 worldwide citation)

A light emitting device display, its pixel circuit and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A bias current and programming voltage data are provided to the pixel circuit in accordance with a driving scheme so that the current t ...


10
CHAJI G REZA: Low power circuit and driving method for emissive displays. IGNIS INNOVATION, Harris John D, June 17, 2010: WO/2010/066030 (32 worldwide citation)

A display system, a driver for driving the display array, method of operating the display system and a pixel circuit in the display system are provided. The driver includes: a bidirectional current source having a converter coupling to a time-variant voltage, for converting the time-variant voltage ...