Influence of ambient temperature on OLED lifetime and uniformity based on modified equivalent lifetime detection

R Fan, X Zhang, Z Tu - Journal of the Society for Information …, 2019 - Wiley Online Library
The ambient temperature can affect the OLED heat dissipation and aggravate the luminance
degradation. Based on temperature‐related equivalent lifetime detection, a luminance …

Photometric and electrical characterizations of large-area OLEDs aged under thermal and electrical stresses

A Alchaddoud, L Canale, G Ibrahem… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The aim of this paper is to identify the electrical signatures of degradations of large-area
organic light-emitting diodes (OLEDs)(41 cm 2 active area), subjected to various stress …

A New FPGA-Implemented Neural Network for Compensating Degradation of AMOLED Displays in Real Time for Long Operation With Temperature Considered

SF Lin, HR Chen, PCP Chao, CC Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A new neural network (NN) model is established for compensating effectively in real time the
luminance degradation of organic light emitting diodes (OLEDs) in a display operated for an …

Prediction of OLED luminance using impedance measurements

A Al Haddad, A Picot, L Canale… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Luminance is the main feature indicating organic light-emitting diode (OLED) degradation;
however, this requires delicate photometric measurements that are difficult and costly to …

Degradation of the luminance and impedance evolution analysis of an OLED under thermal and electrical stress

A Al Haddad, L Canale, A Picot, G Zissis… - IECON 2019-45th …, 2019 - ieeexplore.ieee.org
Organic light emitting diodes are one of the most innovative light sources. They do not
require semiconductor fabrication techniques like the LED family, they are simple to …

Colorimetric characterizations of large area white oleds under thermal and electrical stress using tm-30-18 method

OB Abdellah, A Al Haddad, M El Halaoui… - 2020 Fifth Junior …, 2020 - ieeexplore.ieee.org
The luminance degradation studies of OLEDs light sources under thermal and electrical
stress conditions are normally achieved in order to estimate the OLEDs lifetime. In this study …

Degradation Behaviors of NPB Molecules upon Prolonged Exposure to Various Thermal Stresses under High Vacuum below 10–4 Pa

S Shim, E Choi, H Kim, JY Yun - ACS omega, 2020 - ACS Publications
Understanding of the long-term thermal stabilities of organic light-emitting diode (OLED)
materials during film deposition is important to accurately identifying their processing …

OLED luminance prediction using impedance measurements

A Al Haddad, A Picot, L Canale, G Zissis… - 2020 IEEE Industry …, 2020 - ieeexplore.ieee.org
Luminance is the main feature to follow an OLED degradation. Beside using photo-diodes,
the luminance decay can be predicted with the help of the electrical characteristics of the …

Impedance spectroscopy and evolution of the equivalent electrical circuit model for large area organic light emitting diodes aged under stress

A Alchaddoud, G Ibrahem, L Canale… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
In this work, a large area white organic light emitting diode (commercial product), aged
under electrical stress of 15mA/cm 2, has been characterized by means of impedance …

Photovoltaic OLED driver for low-power stand-alone light-to-light systems

RO Ploug, A Knott - Elektronika ir Elektrotechnika, 2016 - orbit.dtu.dk
Photovoltaic (PV) stand-alone systems need to achieve multiple energy conversion modes.
Ie the energy conversion from PV to a local energy storage as well as energy conversion …