Results 51 to 60 of about 223,988 (345)

Aggregation‐induced emission: Red and near‐infrared organic light‐emitting diodes

SmartMat, 2021
Red and near‐infrared (NIR) organic light‐emitting diodes (OLED) have gained remarkable interest due to their numerous applications. However, the construction of highly emissive emitters is hampered by the energy‐gap law and aggregation‐caused quenching (
Liangjing Tu, Yujun Xie, Zhen Li, Benzhong Tang   +3 more
semanticscholar   +1 more source

An external quantum efficiency of >20% from solution-processed poly(dendrimer) organic light-emitting diodes

npj Flexible Electronics, 2018
Efficient OLEDs from solution: engineering dipole alignment in polymers Dipole alignment is achieved in efficient solution-processed organic light-emitting diodes featuring a novel poly(dendrimer).
Fatemeh Maasoumi, Ross D. Jansen-van Vuuren, Paul E. Shaw, Emma V. Puttock, Ravi Chandra Raju Nagiri, Jake A. McEwan, Mark Bown, Jenny L. O’Connell, Christopher J. Dunn, Paul L. Burn, Ebinazar B. Namdas   +10 more
doaj   +1 more source

High efficiency blue organic light-emitting diodes with below-bandgap electroluminescence

Nature Communications, 2021
Blue organic light-emitting diodes require high triplet interlayer materials, which induce large energetic barriers at the interfaces resulting in high device voltages and reduced efficiencies.
M. Vasilopoulou, A. R. M. Mohd Yusoff, M. Daboczi, Julio Conforto, A. Gavim, W. J. da Silva, A. G. Macedo, A. Soultati, G. Pistolis, F. Schneider, Yifan Dong, Polina Jacoutot, Georgios Rotas, Jin Jang, G. Vougioukalakis, C. Chochos, Ji‐Seon Kim, Nicola Gasparini   +17 more
semanticscholar   +1 more source

Determination of bimolecular recombination constants in organic double-injection devices using impedance spectroscopy

, 2019
A method for determination of the bimolecular recombination constant in working double-injection diodes such as organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs) using impedance spectroscopy is proposed.
Kobayashi, Takashi, Mayumi, Takahiro, Nagase, Takashi, Naito, Hiroyoshi, Takada, Makoto   +4 more
core   +1 more source

A solution processed flexible nanocomposite electrode with efficient light extraction for organic light emitting diodes. [PDF]

, 2014
Highly efficient organic light emitting diodes (OLEDs) based on multiple layers of vapor evaporated small molecules, indium tin oxide transparent electrode, and glass substrate have been extensively investigated and are being commercialized.
Chou, Shu-Yu, Li, Lu, Liang, Jiajie, Niu, Xiaofan, Pei, Qibing, ZhibinYu, Zhu, Xiaodan   +6 more
core   +2 more sources

Highly efficient, heat dissipating, stretchable organic light-emitting diodes based on a MoO3/Au/MoO3 electrode with encapsulation

Nature Communications, 2021
Stretchable organic light-emitting diodes are ubiquitous in the rapidly developing wearable display technology. However, low efficiency and poor mechanical stability inhibit their commercial applications owing to the restrictions generated by strain ...
Dae Keun Choi, Dong Hyun Kim, C. Lee, Hassan Hafeez, S. Sarker, J. Yang, Hyung Ju Chae, G. Jeong, D. Choi, Tae Wook Kim, S. Yoo, Jinouk Song, Boo Soo Ma, Taek‐Soo Kim, C. Kim, Hyun Jae Lee, Jae Woo Lee, Donghyun Kim, T. Bae, S. Yu, Yong‐Cheol Kang, Juyun Park, Kyoung-Ho Kim, M. Sujak, Myungkwan Song, Chang-Su Kim, S. Ryu   +26 more
semanticscholar   +1 more source

Recent advances in organic light-emitting diodes: toward smart lighting and displays

Materials Chemistry Frontiers, 2020
Recent advances in organic light-emitting diodes toward smart lighting and displays are reviewed in terms of materials, devices, fabrication and applications.
Shijie Zou, Yang Shen, Feng-Ming Xie, Jing-De Chen, Yanqing Li, Jianxin Tang   +5 more
semanticscholar   +1 more source

Recent Progress in Emerging Near-Infrared Emitting Materials for Light-Emitting Diode Applications

Organic Materials, 2020
In view of the wide applications of near-infrared (NIR) light in night vision, security, medicine, sensors, telecommunications, and military applications, and the scarcity of high-efficiency NIR-emitting materials, development of alternative NIR-emitting
Yingqi Zheng, Xiaozhang Zhu
doaj   +1 more source

Enhanced light emission from top-emitting organic light-emitting diodes by optimizing surface plasmon polariton losses [PDF]

, 2015
We demonstrate enhanced light extraction for monochrome top-emitting organic light-emitting diodes (OLEDs). The enhancement by a factor of 1.2 compared to a reference sample is caused by the use of a hole transport layer (HTL) material possessing a low ...
Fuchs, Cornelius, Gather, Malte C., Hofmann, Simone, Leo, Karl, Reineke, Sebastian, Scholz, Reinhard, Wieczorek, Martin, Will, Paul-Anton   +7 more
core   +2 more sources

Key requirements for ultraefficient sensitization in hyperfluorescence organic light-emitting diodes

Nature Photonics
Blue organic light-emitting diode (OLED) technology requires further advancements, and hyperfluorescent (HF) OLEDs have emerged as a promising solution to address stability and colour-purity concerns.
K. Stavrou, L. G. Franca, A. Danos, A. Monkman   +3 more
semanticscholar   +1 more source