Results 31 to 40 of about 30,403 (309)

Optimization of organic light emitting diode structures [PDF]

open access: yesSPIE Proceedings, 2004
In this work we present detailed analysis of the emitted radiation spectrum from tris(8-hydroxyquinoline) aluminum (Alq3) based OLEDs as a function of: the choice of cathode, the thickness of organic layers, and the position of the hole transport layer/Alq3 interface.
Djurišić, AB   +6 more
openaire   +4 more sources

Unified charge transport in disordered organic field-effect transistors and light-emitting diodes [PDF]

open access: yes, 2005
De ontdekking dat plastics zich als halfgeleiders kunnen gedragen heeft hun toepassingsgebied verruimd van speelgoed, tassen of meubilair naar elektronische producten zoals flexibele beeldschermen, radiofrequentie identificatie labels, fotocellen and ...
Tanase, Cristina, Tanase, Cristina,
core   +1 more source

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

open access: yesnpj 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   +10 more
doaj   +1 more source

Surface plasmon polariton modification in top-emitting organic light-emitting diodes for enhanced light outcoupling

open access: yes, 2014
We report on the enhanced light outcoupling efficiency of monochrome top-emitting organic light-emitting diodes (OLEDs). These OLEDs incorporate a hole transport layer (HTL) material with a substantially lower refractive index (∼ 1:5) than the emitter ...
Hofmann, S.   +13 more
core   +1 more source

Advances in display technology: augmented reality, virtual reality, quantum dot-based light-emitting diodes, and organic light-emitting diodes

open access: yesJournal of Information Display
Virtual reality, augmented reality, quantum dot light-emitting diodes, and organic light-emitting diodes have progressed over the last two years. Key achievements in these displays are discussed in terms of device performance.
Jihoon Kang   +4 more
doaj   +1 more source

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

open access: yesOrganic 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

Light-emitting diodes and photodiodes in the deep ultra-violet range for absorption photometry in liquid chromatography, capillary electrophoresis and gas sensing [PDF]

open access: yes, 2016
Absorbance measurement in the deep ultra-violet range (below 300 nm) has been one of the most widely used detection methods for analytical techniques as a large number of organic compounds have strong absorption bands in the deep UV region.
Bui, Duy Anh
core   +1 more source

Organic light-emitting diodes for biomedical applications [PDF]

open access: yes, 2022
Organic light-emitting diodes (OLEDs) have been used in displays and lighting applications due to their advantages in material properties, fabrication and device performance.
Lian, Cheng
core   +1 more source

Recent advances in light outcoupling from white organic light-emitting diodes

open access: yes, 2015
M.C.G. is grateful to the Scottish Funding Council (via SUPA) for financial support.Organic light-emitting diodes (OLEDs) have been successfully introduced to the smartphone display market and have geared up to become contenders for applications in ...
Gather, M.C., Reineke, S.
core   +1 more source

White light emitting diode based on purely organic fluorescent to modern thermally activated delayed fluorescence (TADF) and perovskite materials

open access: yesNano Convergence, 2019
White organic/polymer light emitting diode (WOLED/WPLED) processed from solution has attracted significant research interest in recent years due to their low device production cost, device flexibility, easy fabrication over large area including roll to ...
Dipjyoti Das   +4 more
doaj   +1 more source

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