Top-Emitting Active-Matrix Quantum Dot Light-Emitting Diode Array with Optical Microcavity for Micro QLED Display [PDF]
Nanomaterials, 2022 An electroluminescent quantum-dot light-emitting diode (QLED) device and a micro QLED device array with a top-emitting structure were demonstrated in this study.
Kuo-Yang Lai +6 more
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Wide-Angle Mini-Light-Emitting Diodes without Optical Lens for an Ultrathin Flexible Light Source [PDF]
Micromachines, 2022 This report outlines a proposed method of packaging wide-angle (WA) mini-light-emitting diode (mini-LED) devices without optical lenses to create a highly efficient, ultrathin, flexible planar backlight for portable quantum dot light-emitting diode (QLED)
Yen-Lung Chen +6 more
doaj +2 more sources
Biometric authentication security enhancement under quantum dot light-emitting diode display via fingerprint imaging and temperature sensing [PDF]
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 +2 more sources
Electrically pumped surface-emitting amplified spontaneous emission from colloidal quantum dots [PDF]
Light: Science & ApplicationsColloidal quantum dots (QDs) are promising gain materials for realizing solution-processable, wavelength-tunable and low-cost laser diodes. However, achieving electrically pumped amplified spontaneous emission (ASE) in QDs, a prerequisite for lasing, is ...
Fengshou Tian +4 more
doaj +2 more sources
Light extraction analysis and enhancement in a quantum dot light emitting diode [PDF]
Optics Express, 2014 We apply a rigorous dipole model to analyze the light outcoupling and angular performance of quantum dot light emitting diode (QLED). To illustrate the design principles, we use a red QLED as an example and compare its performance with an organic light ...
Zhenyue Luo, Shin-Tson Wu
exaly +3 more sources
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 +3 more
doaj +3 more sources
Flexible CdSe/ZnS Quantum-Dot Light-Emitting Diodes with Higher Efficiency than Rigid Devices
Micromachines, 2022 Fabrication of high-performance, flexible quantum-dot light-emitting diodes (QLEDs) requires the reliable manufacture of a flexible transparent electrode to replace the conventional brittle indium tin oxide (ITO) transparent electrode, along with ...
Mijin Kim +3 more
doaj +3 more sources
Silicon Quantum Dot Light Emitting Diode at 620 nm
Micromachines, 2019 Here we report a quantum dot light emitting diode (QLED), in which a layer of colloidal silicon quantum dots (SiQDs) works as the optically active component, exhibiting a strong electroluminescence (EL) spectrum peaking at 620 nm.
Hiroyuki Yamada, Naoto Shirahata
doaj +3 more sources
Journal of Information DisplayWe developed a high-performance CdSe/ZnS quantum-dot light-emitting diode (QLED) incorporating a hole injection layer (HIL) composed of a solution-processed vanadium oxide (VO) and molybdenum oxide (MoO) mixture.
Suyoung Kim, Chang-Kyo Kim, Honyeon Lee
doaj +3 more sources
Dual-Facets Emissive Quantum-Dot Light-Emitting Diode Based on AZO Electrode. [PDF]
Materials (Basel), 2022 Chen J, Huang Q, Lei W.
europepmc +2 more sources