An AMOLED pixel circuit with a compensating scheme for variations in subthreshold slope and threshold voltage of driving TFTs

NH Keum, SK Hong, OK Kwon - IEEE Journal of Solid-State …, 2020 - ieeexplore.ieee.org
This article proposes an active-matrix organic light-emitting diode (AMOLED) pixel circuit for
mobile displays with high resolution to improve the image quality of the display panel. The …

A hybrid AMOLED driver IC for real-time TFT nonuniformity compensation

JS Bang, HS Kim, KD Kim, OJ Kwon… - IEEE Journal of Solid …, 2016 - ieeexplore.ieee.org
An active matrix organic light emitting diode (AMOLED) display driver IC, enabling real-time
thin-film transistor (TFT) nonuniformity compensation, is presented with a hybrid driving …

Stable RGBW AMOLED display with OLED degradation compensation using electrical feedback

GR Chaji, S Alexander, JM Dionne… - … Solid-State Circuits …, 2010 - ieeexplore.ieee.org
We present an electronic monitoring and feedback scheme for an AMOLED display that
substantially reduces the appearance of image degradation and increases useful lifetime …

An accurate and fast current-biased voltage-programmed AMOLED pixel circuit with OLED biased in AC mode

C Wang, C Leng, L Wang, W Lu… - Journal of Display …, 2015 - opg.optica.org
A current-biased voltage-programmed (CBVP) pixel circuit for active-matrix organic light-
emitting diode (AMOLED) displays is proposed. The pixel circuit can not only ensure an …

Current feedback compensation circuit for 2T1C LED displays: Analysis and evaluation

T Charisoulis, C Reiman, D Frey… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, the analysis of a current feedback compensation architecture compatible with
pixels having the 2-transistors and 1-capacitor structure is evaluated. The aim of the circuit …

A high-speed current-mode data driver with push-pull transient current feedforward for full-HD AMOLED displays

YJ Jeon, JY Jeon, YS Son, J Huh… - IEEE journal of solid …, 2010 - ieeexplore.ieee.org
A push-pull transient current feedforward driver is designed to have a complete push-pull
function and loop gain control that enhances the data current drivability. The sink and source …

50.2: A Real‐time TFT Compensation through Power Line Current Sensing for High‐resolution AMOLED Displays

JS Bang, HS Kim, SH Park, GH Kim… - SID Symposium Digest …, 2014 - Wiley Online Library
A real‐time compensation method for TFT variation is proposed for AMOLED displays. This
method enables a column driver to sense TFT current of each pixel using a power line as a …

A compact-sized 9-bit switched-current DAC for AMOLED mobile display drivers

HS Kim, JY Jeon, SW Lee, JH Yang… - … on Circuits and …, 2011 - ieeexplore.ieee.org
An area-efficient 9-bit digital-to-analog converter (DAC) for application in current-mode
active-matrix organic light-emitting diode mobile display drivers is presented. To reduce the …

Current feedback compensation circuit for 2T1C LED displays: Method

T Charisoulis, D Frey, MK Hatalis - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A novel current feedback programming principle and circuit architecture are presented,
compatible with LED displays utilizing the 2T1C pixel structure. The new pixel programming …

A direct fast feedback current driver using an inverting amplifier for high-quality AMOLED displays

JY Jeon, YJ Jeon, YS Son… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
A direct fast feedback current (DFFC) driver is proposed for high-quality AMOLED displays
with inverted type pixels. The driver is implemented using an integrator with a loop …