Results 21 to 30 of about 17,940 (246)

A Review on the Milestones of Blue Light-Emitting Materials in India

open access: yesOrganic Materials, 2023
Since 1987 in the field of optoelectronics, organic light-emitting diodes (OLEDs) have secured their position because of their extreme use in panels of lighting applications such as TV and smartphone displays.
Nisha Odedara   +3 more
doaj   +1 more source

Recent advances in light outcoupling from white organic light-emitting diodes [PDF]

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

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

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

Operando ESR observation in thermally activated delayed fluorescent organic light-emitting diodes

open access: yesScientific Reports, 2023
Organic light-emitting diodes (OLEDs) using thermally activated delayed fluorescence (TADF) materials have advantages over OLEDs using conventional fluorescent materials or high-cost phosphorescent materials, including higher efficiency and lower cost ...
Shintaro Yumoto   +6 more
doaj   +1 more source

Light-emitting electrochemical cells and solution-processed organic light-emitting diodes using small molecule organic thermally activated delayed fluorescence emitters [PDF]

open access: yes, 2015
EZ-C thanks the University of St Andrews for support. The authors are grateful to the EPSRC for financial support (grants EP/J01771X and EP/J00916). IDWS is a Royal Society Wolfson Research Merit Award Holder.Two novel charged organic thermally activated
Samuel, Ifor David William   +26 more
core   +1 more source

High efficiency and low roll-off green OLEDs with simple structure by utilizing thermally activated delayed fluorescence material as the universal host

open access: yesNanophotonics, 2016
We achieved high-efficiency and low-roll-off green fluorescent and phosphorescent organic light-emitting diodes (OLEDs) simultaneously by adopting the thermally activated delayed fluorescence material of bis[4-(9,9-dimethyl-9,10-dihydroacridine)phenyl ...
Zhao Bo   +7 more
doaj   +1 more source

Correlation between optimized thicknesses of capping layer and thin metal electrode for efficient top-emitting blue organic light-emitting diodes

open access: yesETRI Journal, 2023
The optical properties of the materials composing organic light-emitting diodes (OLEDs) are considered when designing the optical structure of OLEDs. Optical design is related to the optical properties, such as the efficiency, emission spectra, and color
Hyunsu Cho   +5 more
doaj   +1 more source

Formylated chloro-bridged iridium(III) dimers as OLED materials : opening up new possibilities [PDF]

open access: yes, 2015
Date of Acceptance: 17/10/2014In this study, a series of four formyl-substituted chloro-bridged iridium(III) dimers were prepared. Their absorption, photophysical and electrochemical properties were studied in dichloromethane solution.
Slawin, Alexandra Martha Zoya   +7 more
core   +1 more source

Realization of Flexible Ultraviolet Organic Light‐Emitting Diodes: Key Design Issues

open access: yesAdvanced Photonics Research, 2021
While organic light‐emitting diodes (OLEDs) have seen huge success as light sources in high‐end displays, efforts are being made to extend their spectral coverage beyond the visible region.
Donggyun Lee   +4 more
doaj   +1 more source

Effect of thermal annealing Super Yellow emissive layer on efficiency of OLEDs [PDF]

open access: yes, 2017
Thermal annealing of the emissive layer of an organic light emitting diode (OLED) is a common practice for solution processable emissive layers and reported annealing temperatures varies across a wide range of temperatures.
Yambem, Soniya D   +6 more
core   +1 more source

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