Results 11 to 20 of about 72,412 (238)

Approaches for Long Lifetime Organic Light Emitting Diodes

open access: yesAdvanced Science, 2021
Organic light emitting diodes (OLEDs) have been well known for their potential usage in the lighting and display industry. The device efficiency and lifetime have improved considerably in the last three decades.
Sujith Sudheendran Swayamprabha   +7 more
doaj   +1 more source

Cathodic and Anodic Material Diffusion in Polymer/Semiconductor-Nanocrystal Composite Devices [PDF]

open access: yes, 2007
In the present day, the information technologies and telecommunications sector continually increase their demand for low cost, low power consumption, high performance electroluminescent devices for display applications.
Bertoni, Cristina   +4 more
core   +1 more source

Towards efficient near-infrared fluorescent organic light-emitting diodes

open access: yesLight: Science & Applications, 2021
Light-emitting diodes: Near-infrared fluorescence from organic molecules Organic (carbon-based) light-emitting diodes (LEDs) that emit near-infrared light can be built by linking together large organic molecules called porphyrins, offering many potential
Alessandro Minotto   +7 more
doaj   +1 more source

Investigation progresses of rare earth complexes as emitters or sensitizers in organic light-emitting diodes

open access: yesLight: Science & Applications, 2022
Investigation Progresses of Rare Earth Complexes as Emitters or Sensitizers in Organic Light-Emitting ...
Shuaibing Li, Liang Zhou, Hongjie Zhang
doaj   +1 more source

Coupled surface plasmon-polariton mediated photoluminescence from a top-emitting organic light-emitting structure [PDF]

open access: yes, 2013
Copyright © 2004 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Barnes, William L.   +3 more
core   +1 more source

Solution-Processable Graphene Oxide as an Efficient Hole Injection Layer for High Luminance Organic Light-Emitting Diodes [PDF]

open access: yes, 2013
The application of solution-processable graphene oxide (GO) as hole injection layer in organic light-emitting diodes (OLEDs) is demonstrated. High luminance of over 53,000 cd m-2 is obtained at only 10 V. The results will unlock a route of applying GO in
Bao, Qinye   +5 more
core   +2 more sources

Organic additive engineering toward efficient perovskite light‐emitting diodes

open access: yesInfoMat, 2020
Perovskite materials with excellent optical and electrical properties are promising for light‐emitting diodes. In the field of perovskite light‐emitting diodes (PeLEDs), organic materials additive engineering has been proved to be an effective scheme for
Yuqiang Liu, Luis K. Ono, Yabing Qi
doaj   +1 more source

Anisotropic materials in OLEDs for high outcoupling efficiency [PDF]

open access: yes, 2015
We present the results of an optical study in which we evaluate the effect of anisotropic electron transport layers (ETL) and anisotropic hole transport layers (HTL) on the outcoupling efficiency of bottom emitting organic light emitting diodes (OLEDs ...
Callens, Michiel   +2 more
core   +1 more source

Improved Charge Injection and Transport of Light-Emitting Diodes Based on Two-Dimensional Materials

open access: yesApplied Sciences, 2019
Light-emitting diodes (LEDs) are considered to be the most promising energy-saving technology for future lighting and display. Two-dimensional (2D) materials, a class of materials comprised of monolayer or few layers of atoms (or unit cells), have ...
Yuanming Zhou   +6 more
doaj   +1 more source

Nanosecond-time-scale delayed fluorescence molecule for deep-blue OLEDs with small efficiency rolloff

open access: yesNature Communications, 2020
Deep-blue emitting organic materials with low exciton lifetime are required to realize efficient organic light-emitting diodes (OLEDs) at high brightness.
Jong Uk Kim   +6 more
doaj   +1 more source

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