Results 31 to 40 of about 17,615 (204)

n-ZnO/p-GaN heterojunction light-emitting diodes featuring a buried polarization-induced tunneling junction

open access: yesAIP Advances, 2016
n-ZnO/p-GaN heterojunction light-emitting diodes with a p-GaN/Al0.1Ga0.9N/n+-GaN polarization-induced tunneling junction (PITJ) were fabricated by metal-organic chemical vapor deposition.
Ling Li   +7 more
doaj   +1 more source

White Fluorescent Organic Light-Emitting Diodes with 100% Power Conversion

open access: yesResearch, 2022
Energy-efficient lighting sources are desired to provide another solution of carbon emission reduction. White organic light-emitting diodes are promising, because of theoretical internal quantum efficiencies for 100% electric-to-light conversion. However,
Dongxue Ding   +7 more
doaj   +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

Efficient Tandem Organic Light Emitting Diode Using Organic Photovoltaic Charge Generation Layer

open access: yesInternational Journal of Optics, 2018
Highly efficient tandem red OLED is proposed using planar organic heterojunction based charge generation layer (CGL) of C70 (Fullerene)/CoPc (Cobalt Phthalocyanine). The proposed charge generation layer generates charges and exhibits organic photovoltaic
Akanksha Jetly, Rajesh Mehra
doaj   +1 more source

Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing

open access: yesNature Communications, 2020
Though efforts toward electrically-pumped lasers based on simple organic light-emitting diode (OLED) structures have been reported, a comprehensive model is needed to elucidate key optoelectronic processes.
Viqar Ahmad   +9 more
doaj   +1 more source

Organic Light‐Emitting Diode in Phototherapy Applications

open access: yesAdvanced Photonics Research
After decades of development, organic light‐emitting diode (OLED) technology has matured significantly. OLED displays are now ubiquitous in consumer electronics and household appliances. As another major application branch, OLED lighting has also entered
Yingguang Zhu   +9 more
doaj   +1 more source

Investigation of Autostereoscopic Displays Based on Various Display Technologies

open access: yesNanomaterials, 2022
The autostereoscopic display is a promising way towards three-dimensional-display technology since it allows humans to perceive stereoscopic images with naked eyes.
Fuhao Chen, Chengfeng Qiu, Zhaojun Liu
doaj   +1 more source

Enhanced performance of organic light-emitting diodes by inserting wide-energy-gap interlayer between hole-transport layer and light-emitting layer [PDF]

open access: yes, 2009
We demonstrated that driving voltages, external quantum efficiencies, and power conversion efficiencies of organic light-emitting diodes (OLEDs) are improved by inserting a wide-energy-gap interlayer of (4,4′-N,N′-dicarbazole)biphenyl (CBP) between a ...
Murata, Hideyuki   +2 more
core   +1 more source

The role of photonics in energy [PDF]

open access: yes, 2015
A.F.N. acknowledges support from the Fundação de Amparo a Pesquisa no Estado de São Paulo (FAPESP) and the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) of Brazil. D.O’C. acknowledges support from the U.S.
O'Carroll, D.M.   +10 more
core   +1 more source

New Optoelectronic Technology Simplified for Organic Light Emitting Diode (OLED) [PDF]

open access: yesJournal of Systemics, Cybernetics and Informatics, 2014
The development of Organic Light Emitting Diode (OLED), using an optically transparent substrate material and organic semiconductor materials, has been widely utilized by the electronic industry when producing new technological products. The OLED are the
Andre F. S. Guedes   +4 more
doaj  

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