Results 21 to 30 of about 1,745 (212)

Regulation on Dual Interfaces of QD with ETL and HTL by Guanidine‐Based Ligands Enable High‐Performance Blue Quantum Dot Light‐Emitting Diodes with 24.3% External Quantum Efficiency [PDF]

Advanced Science
The poor efficiency and stability of blue quantum dot light‐emitting diodes (QLED) hinder its practical applications in full‐color displays. Insufficient hole injection and excessive surface defects in quantum dots (QD) layer remain the primary ...
Yanfang Ren, Yunqi Wang, Yan Fang, Xiaohong Jiang, Ke Cheng, Zuliang Du   +5 more
doaj   +2 more sources

Graphitic C3N4 quantum dots for next-generation QLED displays

Materials Today, 2019
Abstract Quantum dot light-emitting diode (QLED) displays are considered a next-generation technology, but previously reported quantum dots (QDs) consisting of heavy metals are toxic and harmful. This work examined earth-abundant, metal-free, graphitic C3N4 (g-C3N4) with exceptional optical and electronic properties, excellent chemical and thermal ...
Yang Jiang, Zhi Zhao, Lei Chen
exaly   +2 more sources

A Review of Transient Characterization Techniques for Quantum Dot Light‐Emitting Diodes

Advanced Physics Research
Quantum dot light‐emitting diodes (QLEDs) have emerged as a promising display technology owing to their high color purity, tunable emission, and solution processability.
Jaekwon Kim, Yeongmin Moon, Soojeong Yim, Hee Won Son, Hayeon Seo, Jeonghun Kwak   +5 more
doaj   +2 more sources

3D Printed Flexible Piezoelectric Sensors for Integrated Hybrid Electronics. [PDF]

Small
A comprehensive 3D printing strategy can fabricate high performance piezoelectric transducers on various substrates for wearable and flexible electronics applications. Demonstrations include human‐machine interfaces, tactile electronic skin, and a multifunctional system integrating piezoelectric sensors with quantum dot light‐emitting diodes.
Ng DWH, Ben Atitallah H, Haghiashtiani G, Fan J, Kim H, Han G, Mendonsa R, Zambri R, McAlpine MC.   +8 more
europepmc   +2 more sources

Substrate Dependence of CdSe/ZnS Quantum-Dot Light-Emitting Diodes: A Comparative Study between Rigid Glass and Flexible Plastic Substrates

Nanomaterials, 2023
The purpose of this study was to investigate the effect of substrate characteristics on the performance of quantum-dot light-emitting diodes (QLEDs) with the aim of developing high-performance flexible QLEDs.
Seyoung Lee, Jimyoung Kim, Honyeon Lee
doaj   +1 more source

High-performance tandem CdSe/ZnS quantum-dot light-emitting diodes with a double-layer interconnecting layer composed of thermally evaporated and sputtered metal oxides

Journal of Information Display, 2022
High-performance tandem quantum-dot light-emitting diodes (QLEDs) are needed for practical next-generation displays. This study designed a high-performance interconnecting layer (ICL) that combines QLED units into tandem QLEDs and demonstrated its ...
Ohun Kwon, Dongjin Kim, Mijin Kim, Honyeon Lee   +3 more
doaj   +1 more source

Biometric authentication security enhancement under quantum dot light-emitting diode display via fingerprint imaging and temperature sensing

Scientific Reports, 2023
We improved biometric authentication security using dual recognition based on fingerprint image detection and skin-temperature-change sensing under quantum dot light-emitting diode (QLED) displays.
Hanyung Jung, Soobin Sim, Hyunkoo Lee
doaj   +1 more source

Effects of ZnMgO Electron Transport Layer on the Performance of InP-Based Inverted Quantum Dot Light-Emitting Diodes

Nanomaterials, 2021
An environment-friendly inverted indium phosphide red quantum dot light-emitting diode (InP QLED) was fabricated using Mg-doped zinc oxide (ZnMgO) as the electron transport layer (ETL).
Binbin Zhang, Yu Luo, Chaohuang Mai, Lan Mu, Miaozi Li, Junjie Wang, Wei Xu, Junbiao Peng   +7 more
doaj   +1 more source

QLEDs for displays and solid-state lighting [PDF]

MRS Bulletin, 2013
Abstract
Supran, Geoffrey James Sasaji, Shirasaki, Yasuhiro, Song, Katherine Wei, Caruge, Jean-Michel, Kazlas, Peter T., Coe-Sullivan, Seth, Andrew, Trisha Lionel, Bawendi, Moungi G., Bulovic, Vladimir   +8 more
openaire   +2 more sources

Flexible and tandem quantum-dot light-emitting diodes with individually addressable red/green/blue emission

npj Flexible Electronics, 2021
Tandem quantum-dot light-emitting diodes (QLEDs) with multiple QLED elements vertically connected by the intermediate electrodes offer the advantages of high brightness and long lifetime.
Qiang Su, Heng Zhang, Shuming Chen
doaj   +1 more source