Results 101 to 110 of about 86,155 (352)
Current-Voltage Characteristics of Polymer Light-Emitting Diodes
, 1997 Conduction in pristine conjugated polymers (other than polyacetylene) is by polaron hopping between sites corresponding to conjugation lengths. The strong increase of current $I$ with voltage $V$ observed for both emission-limited and ohmic contacts is ...
Conwell, E. M., Wu, M. W.
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Purcell‐Enhanced Spectrally Precise Emission in Dual‐Microcavity Organic Light‐Emitting Diodes
Advanced Functional Materials, EarlyView.Spectrally precise emission from broadband organic light‐emitting diodes is realized via a dual‐microcavity strategy. This architecture achieves narrowband emission (full width at half maximum, FWHM = 21 nm) with ultrapure color approaching BT.2020 by enhancing the Purcell effect via coupling of excitons with dual‐microcavity resonance.
Jun Yong Kim +3 more
wiley +1 more source
Grain engineering for efficient near-infrared perovskite light-emitting diodes
Nature CommunicationsMetal halide perovskites show promise for next-generation light-emitting diodes, particularly in the near-infrared range, where they outperform organic and quantum-dot counterparts.
Sung-Doo Baek +24 more
doaj +1 more source
ORGANIC LIGHT EMITTING DIODES (OLED)
Annals of the Academy of Romanian Scientists Series on Physics and Chemistry, 2023 "Organic Light Emitting Diodes (OLED) now reach the third phase concerning efficiency. The first devices are based on pure organic materials, and the second and third generations are based on combinations between metals and organic ligands in so- called organometallics for which their emission external quantum efficiency is increased.
openaire +1 more source
Advanced Functional Materials, EarlyView.This review highlights how machine learning (ML) algorithms are employed to enhance sensor performance, focusing on gas and physical sensors such as haptic and strain devices. By addressing current bottlenecks and enabling simultaneous improvement of multiple metrics, these approaches pave the way toward next‐generation, real‐world sensor applications.
Kichul Lee +17 more
wiley +1 more source
Nature Communications, 2020 Organic light-emitting diodes (OLEDs) can offer an attractive approach for providing light stimulation in high-throughput optogenetics. Here, the authors report a microstructured OLED array that provides local photo-stimulation in Drosophil a ...
Caroline Murawski +2 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Lead halide perovskite nanocrystals are promising scintillators but suffer from reabsorption losses and limited compatibility with high‐Z additives. Hybridization of CsPbBr3 nanocrystals with PbBr2‐passivated HfO2 nanoparticle sensitizers, achieved during or after synthesis, produces stable composites with maintained optical quality, improved ...
Francesco Bruni +17 more
wiley +1 more source
Synthesis and photophysical studies of bipolar host materials for phosphorescent oleds [PDF]
, 2014 The remarkable progress of light-emitting organic semiconductors has led to the establishment of organic light-emitting diodes (OLEDs) as a major display technology.
Panigrahi, S K
core
Active-matrix GaN micro light-emitting diode display with unprecedented brightness [PDF]
, 2015 Displays based on microsized gallium nitride light-emitting diodes possess extraordinary brightness. It is demonstrated here both theoretically and experimentally that the layout of the n-contact in these devices is important for the best device ...
Dawson, Martin D. +12 more
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Organic Light‐Emitting Diodes: Modeling Electron‐Transfer Degradation of Organic Light‐Emitting Devices (Adv. Mater. 12/2021) [PDF]
, 2021 Yu Kyung Moon +9 more
openalex +1 more source