Results 21 to 30 of about 198,475 (338)

Magnetoelectroluminescence in organic light-emitting diodes [PDF]

open access: yesThe Journal of Chemical Physics, 2016
The magnetoelectroluminescence of conjugated organic polymer films is widely accepted to arise from a polaron pair mechanism, but their magnetoconductance is less well understood. Here we derive a new relationship between the experimentally measurable magnetoelectroluminescence and magnetoconductance and the theoretically calculable singlet yield of ...
Joseph E. Lawrence   +3 more
openaire   +5 more sources

Enhancing the Light Extraction Efficiency in Micro‐Organic Light‐Emitting Diodes with Metalens

open access: yesAdvanced Photonics Research, 2021
Due to the total internal reflection caused by the mismatch of the refractive indices between organic layers and oxide layers within an organic light‐emitting diode (OLED), most of the light energy is trapped inside the device; if the size of an OLED is ...
Jingen Lin   +6 more
doaj   +1 more source

Virtual Screening of TADF Emitters for Single-Layer OLEDs

open access: yesFrontiers in Chemistry, 2021
Thermally-activated delayed fluorescence (TADF) is a concept which helps to harvest triplet excitations, boosting the efficiency of an organic light-emitting diode. TADF can be observed in molecules with spatially separated donor and acceptor groups with
Kun-Han Lin   +3 more
doaj   +1 more source

Progress of display performances: AR, VR, QLED, and OLED

open access: yesJournal of Information Display, 2020
In 2019, the device performances of the display technologies were largely advanced by the development of new materials and of the device architecture and driving scheme.
Ho Jin Jang   +4 more
doaj   +1 more source

Elucidating the role of hyperfine interactions on organic magnetoresistance using deuterated aluminium tris(8-hydroxyquinoline) [PDF]

open access: yes, 2009
Measurements of the effect of a magnetic field on the light output and current through an organic light emitting diode made with deuterated aluminium tris(8-hydroxyquinoline) have shown that hyperfine coupling with protons is not the cause of the ...
A. J. Drew   +6 more
core   +2 more sources

Ambient fabrication of flexible and large-area organic light-emitting devices using slot-die coating [PDF]

open access: yes, 2012
The grand vision of manufacturing large-area emissive devices with low-cost roll-to-roll coating methods, akin to how newspapers are produced, appeared with the emergence of the organic light-emitting diode about 20 years ago.
A Sandstrom   +35 more
core   +1 more source

Top-emitting organic light-emitting diodes

open access: yesOptics Express, 2011
We review top-emitting organic light-emitting diodes (OLEDs), which are beneficial for lighting and display applications, where non-transparent substrates are used. The optical effects of the microcavity structure as well as the loss mechanisms are discussed. Outcoupling techniques and the work on white top-emitting OLEDs are summarized. We discuss the
Simone, Hofmann   +3 more
openaire   +2 more sources

Liquid crystal display and organic light-emitting diode display: present status and future perspectives

open access: yesLight: Science & Applications, 2017
Recently, ‘Liquid crystal display (LCD) vs. organic light-emitting diode (OLED) display: who wins?’ has become a topic of heated debate. In this review, we perform a systematic and comparative study of these two flat panel display technologies. First, we
Haiwei Chen   +4 more
semanticscholar   +1 more source

Electrical Excitation of Long-Range Surface Plasmons in PC/OLED Structure with Two Metal Nanolayers

open access: yesNano-Micro Letters, 2020
A current-driven source of long-range surface plasmons (LRSPs) on a duplex metal nanolayer is reported. Electrical excitation of LRSPs was experimentally observed in a planar structure, where an organic light-emitting film was sandwiched between two ...
Valery Konopsky   +6 more
doaj   +1 more source

Quantitative analysis of pixel crosstalk in AMOLED displays [PDF]

open access: yes, 2018
The resolution of organic light-emitting diode (OLED) displays is increasing steadily as these displays are adopted for mobile and virtual reality (VR) devices.
Altazin, Stéphane   +5 more
core   +1 more source

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