Suppression of edge effect induced by positive gate bias stress in low-temperature polycrystalline silicon TFTs with channel width extension over source/drain regions

YX Wang, MC Tai, TC Chang, SP Huang… - … on Electron Devices, 2020 - ieeexplore.ieee.org
This study demonstrated that the edge effect induced by positive gate bias stress (PBS) was
effectively eliminated by applying channel width extensions over source/drain regions in low …

A direct-type fast feedback current driver for medium-to large-size AMOLED displays

JY Jeon, YJ Jeon, YS Son, KC Lee… - … Solid-State Circuits …, 2008 - ieeexplore.ieee.org
The current or voltage driving schemes are employed for pulse-amplitude modulation (PAM)
in AMOLED displays. Current driving methods have advantages over voltage driving …

Voltage-programming-based pixel circuit to compensate for threshold voltage and mobility using natural capacitance of organic light-emitting diode

YJ Park, MH Jung, SH Park, O Kim - Japanese Journal of …, 2010 - iopscience.iop.org
A voltage-programming-based pixel circuit with three thin-film transistors (TFTs) and one
capacitor (3T1C) is proposed and simulated for active-matrix organic light-emitting diode …

A PDM-Based Digital Driving Technique Using Delta-Sigma () Modulation for QVGA Full-Color AMOLED Display Applications

JH Jang, M Kwon, E Tjandranegara, K Lee… - Journal of Display …, 2010 - opg.optica.org
We propose a digital driving technique using pulse-density modulation (PDM) for an active-
matrix organic light-emitting diode (AMOLED) to effectively suppress the false image contour …

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 …

Improved transient current feedforward output buffer for fast and compact active-matrix OLED column drivers

YJ Jeon, YS Son, JY Jeon… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
An improved transient current feedforward driver is designed for compact implementation
and low-power consumption by adopting the demultiplexing operation of the proposed …

Driver for semiconductor memory and method thereof

GH Cho, SH Choi - US Patent 8,937,841, 2015 - Google Patents
A driver for a semiconductor memory includes: a selection controller configured to output a
target charge current select signal and a bucket charge current select signal in response to …

Transient charge feedforward driver for high-speed current-mode data driving in active-matrix OLED displays

YS Son, YJ Jeon, JY Jeon… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
A transient charge feedforward driver (TCFD) is presented for high-speed current-mode data
driving in active-matrix organic LED (AMOLED) displays. In order to provide charging current …

P‐1.4: Analysis of the Hump Characteristics in Poly‐Si Thin Film Transistor & Process a method to suppress hump effect

Y Guo, Y Pan, H Lu, S Tan, R Dai… - … Symposium Digest of …, 2022 - Wiley Online Library
In this study, we investigate the transfer characteristics of low‐temperature polycrystalline
silicon (LTPS) thin film transistors (TFTs) often show a “hump” in subthreshold region. This …

Driver for a semiconductor memory and method thereof

GH Cho, SH Choi - US Patent 9,443,569, 2016 - Google Patents
Various embodiments are directed to a driver for a semi conductor memory which is capable
of improving a write speed and a method thereof, in a driving device and method for writing …