Results 11 to 20 of about 17,940 (246)

Synthesis and charaterisation of phosphorescent copper (I) complexes for light emitting devices [PDF]

open access: yes, 2013
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Over the last decade, many significant developments have been made to improve the active materials in a new generation of organic light emitting devices ...
Andrés-Tomé, María Inmaculada
core   +7 more sources

Cavity-Compatible Light Extraction in Top-Emitting Microcavity OLEDs via a Gentle Internal Corrugation Layer and Resonance-Matched Narrowband Emission. [PDF]

open access: yesAdv Sci (Weinh)
A gentle internal corrugation layer conformally reshapes the microcavity OLED stack, redistributing confined optical power toward extractable channels while preserving cavity‐controlled emission. Combined with optical clear resin and a resonance‐matched narrowband pTSF emissive system, this cavity‐compatible architecture delivers an external quantum ...
Kim YR, Nimbalkar A, Suh MC.
europepmc   +2 more sources

Origin of Enhanced Efficiency and Reduced Roll-Off in Organic Light-Emitting Diodes Based on Pt(II) Complexes. [PDF]

open access: yesAdv Sci (Weinh)
Controlled Pt–Pt fine structure in square‐planar Pt(II) complexes governs metal–metal‐to‐ligand charge‐transfer (MMLCT) state formation, exciton dynamics, and organic light‐emitting diode performance. Short Pt–Pt contacts in Pt(fppz)2 enable coherent metal–metal coupling, sub‐microsecond emission and an external quantum efficiency of 29%, whereas ...
Shukla A   +15 more
europepmc   +2 more sources

Exciplex hosts for blue phosphorescent organic light-emitting diodes

open access: yesJournal of Information Display, 2020
The host material of organic light-emitting diodes (OLEDs) has been advanced from a single host to a mixed host for high efficiency and long lifetime.
Mina Jung, Jun Yeob Lee
doaj   +1 more source

Green phosphorescent organic light-emitting diode exhibiting highest external quantum efficiency with ultra-thin undoped emission layer

open access: yesScientific Reports, 2021
In this study, we report highly efficient green phosphorescent organic light-emitting diodes (OLEDs) with ultra-thin emission layers (EMLs). We use tris[2-phenylpyridinato-C2,N]iridium(III) (Ir(ppy)3), a green phosphorescent dopant, for creating the ...
Shin Woo Kang   +3 more
doaj   +1 more source

Hybrid nanocomposites for organic light-emitting diodes

open access: yesResults in Optics, 2022
We report the investigation of the electrical and optical properties of hybrid nanocomposite which could help to prepare the solution processable and tunable OLEDs.
N. Bano   +3 more
doaj   +1 more source

245 MHz bandwidth organic light-emitting diodes used in a gigabit optical wireless data link

open access: yesNature Communications, 2020
Organic LEDs (OLEDs) have generally been considered to be slow devices. Through engineering the structure and materials of OLEDs, the authors achieve a breakthrough in the high-speed operation of OLEDs and demonstrate a 1 Gbps optical wireless link using
Kou Yoshida   +8 more
doaj   +1 more source

Isotope Effect of Host Material on Device Stability of Thermally Activated Delayed Fluorescence Organic Light‐Emitting Diodes

open access: yesSmall Science, 2021
Organic light‐emitting diodes (OLEDs) exhibiting thermally activated delayed fluorescence (TADF) have attracted great interest because of their excellent exciton harvesting ability in electroluminescence (EL).
Xuelong Liu   +9 more
doaj   +1 more source

Photo-patterning of highly efficient state-of-the-art phosphorescent OLEDs using orthogonal hydrofluoroethers [PDF]

open access: yes, 2014
The authors kindly acknowledge the financial support by the Free State of Saxony, the Sächsische Aufbaubank (SAB, Project Nr. 100087862), and the European Social Fund (ESF).Photolithography offers a scalable solution for large area pixel patterning of ...
Hofmann, S.   +6 more
core   +1 more source

Get it white : color-tunable AC/DC OLEDs [PDF]

open access: yes, 2015
This work was funded by the European Social Fund and the Free State of Saxony through the OrthoPhoto project. We kindly acknowledge the support from NUDEV.Organic light-emitting diodes (OLEDs) have gained considerable attention because of their use of ...
Kliem, Mona   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy