Systems and methods for aging compensation in AMOLED displays

G Chaji - US Patent 9,773,439, 2017 - Google Patents
(74) Attorney, Agent, or Firm—Nixon Peabody LLP (57) ABSTRACT Circuits for
programming, monitoring, and driving pixels in a display are provided. Circuits generally …

Lifetime uniformity parameter extraction methods

G Chaji, J Jaffari, A Nathan - US Patent 8,994,617, 2015 - Google Patents
(57) ABSTRACT A system and method for deriving a sequence of OLED non-uniformity test
patterns. A pattern generator generates a full sequence of display patterns according to a …

On-screen guideline-based selective text recognition

DS Lee, LF Chien, A Hsieh, P Ting, K Wong - US Patent 8,515,185, 2013 - Google Patents
US8515185B2 - On-screen guideline-based selective text recognition - Google Patents
US8515185B2 - On-screen guideline-based selective text recognition - Google Patents On-screen …

Driving circuit for current programmed organic light-emitting diode displays

A Nathan, G Chaji - US Patent 10,078,984, 2018 - Google Patents
ABSTRACT A load driving circuit for a load having a parasitic capaci tance associated
therewith is provided. The load being current programmed. The driving circuit has a data line …

Systems and methods for operating pixels in a display to mitigate image flicker

G Chaji, JCS Lai, Y Azizi, MR Ma - US Patent 9,881,587, 2018 - Google Patents
Circuits for programming a circuit with decreased program ming time are provided. Such
circuits include a storage device such as a capacitor for storing display information and for …

System and method for fast compensation programming of pixels in a display

G Chaji, JCS Lai, Y Azizi, MR Ma, A Nathan - US Patent 9,370,075, 2016 - Google Patents
Provisional application No. 61/491,165, filed on May Circuits for programming a circuit with
decreased program 28, 2011, provisional application No. 61/600,316, ming time are …

Adaptive feedback system for compensating for aging pixel areas with enhanced estimation speed

J Jaffari, G Chaji, A Heidari - US Patent 9,466,240, 2016 - Google Patents
(57) ABSTRACT A local priority-based scanning scheme that focuses scan ning to areas of a
display panel whose measured character istics are under continuous change (eg, aging or …

System and methods for power conservation for amoled pixel drivers

G Chaji, J Soni - US Patent 9,262,965, 2016 - Google Patents
3,774,055 4,090,096 4, 160,934 4,354,162 4,943,956 4,996,523 5,134,387 5,153,420
5,170,158 5, 198,803 5,204,661 5,266,515 5,278,542 5,408,267 5,489,918 5,498,880 …

System and methods for extracting correlation curves for an organic light emitting device

G Chaji, J Jaffari, A Nathan - US Patent 9,430,958, 2016 - Google Patents
(57) ABSTRACT A system and method for determining and applying charac terization
correlation curves for aging effects on an organic light organic light emitting device (OLED) …

Amoled displays with multiple readout circuits

J Soni, RYH Ngan, G Chaji, N Zahirovic… - US Patent …, 2016 - Google Patents
5, 198,803 5,204,661 5,266,515 5,489,918 5,498,880 5,557,342 5,572,444 5,589,847
5,619,033 5,648,276 5,670,973 5,691.783 5,714,968 5,723.950 5,744,824 5,745,660 …