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CHAJI Gholamreza, AZIZI Yaser: SYSTÈME ET PROCÉDÉS POUR LEXTRACTION DE PARAMÈTRES DE SEUIL ET DE MOBILITÉ DANS DES AFFICHEURS AMOLED, SYSTEM AND METHODS FOR EXTRACTION OF THRESHOLD AND MOBILITY PARAMETERS IN AMOLED DISPLAYS. IGNIS INNOVATION, CHAJI Gholamreza, AZIZI Yaser, November 29, 2012: WO/2012/160471 (56 worldwide citation)

Disclosed is a system and method to improve the extraction of transistor and OLED parameters in an AMOLED display for compensation of programming voltages to improve image quality. A pixel circuit includes an organic light emitting device, a drive device to provide a programmable drive current to th ...


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Gholamreza Chaji, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Nixon Peabody, March 7, 2017: US09589490 (7 worldwide citation)

A system to improve the extraction of transistor and OLED parameters in an AMOLED display includes a pixel circuit having an organic light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input to provide the programming signal, and ...


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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. Ignis Innovation, Nixon Peabody, March 8, 2016: US09280933 (4 worldwide citation)

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 o ...


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Gholamreza Chaja, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Nixon Peabody, December 3, 2013: US08599191 (3 worldwide citation)

A system to improve the extraction of transistor and OLED parameters in an AMOLED display includes a pixel circuit having an organic light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input to provide the programming signal, and ...


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Gholamreza Chaji, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Nixon Peabody, November 5, 2013: US08576217 (3 worldwide citation)

Disclosed is a system and method to improve the extraction of transistor and OLED parameters in an AMOLED display for compensation of programming voltages to improve image quality. A pixel circuit includes an organic light emitting device, a drive device to provide a programmable drive current to th ...


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Gholamreza Chaji, Ricky Yik Hei Ngan, Nino Zahirovic, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Nixon Peabody, March 1, 2016: US09275579 (2 worldwide citation)

A system and method for extracting a parasitic capacitance value from a pixel circuit including 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 and method ...


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Gholamreza Chaji, Ricky Yik Hei Ngan, Nino Zahirovic, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Nixon Peabody, October 24, 2017: US09799246 (1 worldwide citation)

A system reads a desired circuit parameter 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. One embodiment of the extraction system ...


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Gholamreza Chaji, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Stratford Managers Corporation, November 13, 2018: US10127846

A system to improve the extraction of transistor and OLED parameters in an AMOLED display includes a pixel circuit having an organic light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input to provide the programming signal, and ...


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Gholamreza Chaji, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Nixon Peabody, October 24, 2017: US09799248

A system to improve the extraction of transistor and OLED parameters in an AMOLED display includes a pixel circuit having an organic light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input to provide the programming signal, and ...


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Gholamreza Chaji, Yaser Azizi: System and methods for extraction of threshold and mobility parameters in AMOLED displays. Ignis Innovation, Nixon Peabody, May 31, 2016: US09355584

A system to improve the extraction of transistor and OLED parameters in an AMOLED display includes a pixel circuit having an organic light emitting device, a drive device to provide a programmable drive current to the light emitting device, a programming input to provide the programming signal, and ...