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Open AccessJournal ArticleDOI

Review of recent progress in multilayer solution-processed organic light-emitting diodes

Szuheng Ho, +3 more
- 01 Jan 2015 - 
- Vol. 5, Iss: 1, pp 057611-057611
TLDR
In this article, the authors discuss the use of cross-linkable organic materials, metal oxides, and orthogonal solvent systems to deposit various functional layers in an organic light-emitting diodes.
Abstract
Organic light-emitting diodes (OLEDs) have become a promising candidate for lighting and display applications. High efficiency OLEDs require a multilayer device architecture to provide exciton confinement and balance charge transport. Conventional OLEDs are made by vacuum process, and the manufacturing cost can be reduced by solution processing. However, unlike vacuum-deposited OLEDs, solution-processed multilayer OLEDs are more challenging to make. The key for multilayer solution processing is to have the layer structure which can withstand solvents used in subsequent processing. We review the materials’ strategies to make multilayer solution-processed OLEDs. Specifically, we will discuss the use of cross-linkable organic materials, metal oxides, and orthogonal solvent systems to deposit various functional layers in an OLED.

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Citations
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Spectroscopic and Device Aspects of Nanocrystal Quantum Dots

TL;DR: Recent advances in nanocrystal research related to applications of QD materials in lasing, light-emitting diodes (LEDs), and solar energy conversion are examined.
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Towards high-power-efficiency solution-processed OLEDs: Material and device perspectives

TL;DR: In this article, the authors demonstrate current development of s-OLEDs targeting for high power efficiency with emphasis on introducing theoretical and practical significance in simultaneously achieving close-to-unity (∼100 %) exciton emission and low driving voltage realized by advanced interface modification, bipolar-transporting-type host, all-exciton-harvesting emissive material and customized device architectures to integrate their functions.
Journal ArticleDOI

Inorganic and Organic Solution-Processed Thin Film Devices

TL;DR: A concise critical review and research directions on most thin film devices, including thin film transistors, data storage memory, solar cells, organic light-emitting diodes, thermoelectric devices, smart materials, sensors, and actuators are provided.
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Green-Light-Emitting Diodes based on Tetrabromide Manganese(II) Complex through Solution Process.

TL;DR: Highly phosphorescent (Ph4 P)2 [MnBr4 ] as a low-cost and environmentally benign emitting material achieves peak current efficiency of 25.4 cd A-1 and external quantum efficiency (EQE) of 7.2% for nondoped organic light-emitting diodes.
Journal ArticleDOI

Emerging Self-Emissive Technologies for Flexible Displays

TL;DR: A review of the recent progress of all three self-emissive technologies for flexible displays is conducted, including the emissive active materials, device structures and approaches to manufacturing, the flexible substrates, and conductive electrodes, as well as the encapsulation techniques.
References
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Light-emitting diodes based on conjugated polymers

TL;DR: In this article, the authors demonstrate that poly(p-phenylene vinylene), prepared by way of a solution-processable precursor, can be used as the active element in a large-area light-emitting diode.
Journal ArticleDOI

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TL;DR: In this paper, the authors demonstrate very high efficiency electrophosphorescence in organic light-emitting devices employing a phosphorescent molecule doped into a wide energy gap host, achieving a maximum external quantum efficiency of 19.0±1.0 and luminous power efficiency of 60±5 lm/W.
Journal ArticleDOI

Poly(3,4‐ethylenedioxythiophene) and Its Derivatives: Past, Present, and Future

TL;DR: An overview of 3,4-ethylenedioxythiophene (PEDT) and its derivatives can be found in this article, along with a description of the broad array of properties accessible and a set of the more prominent applications in which they can be utilized.
Journal ArticleDOI

High-efficiency fluorescent organic light-emitting devices using a phosphorescent sensitizer

TL;DR: This work uses the mechanism for energetic coupling between phosphorescent and fluorescent molecular species is a long-range, non-radiative energy transfer: the internal efficiency of fluorescence can be as high as 100%.
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