Roll

Roll

Downloadscientificdiagram|Roll-offcharacteristics.(A)J-EQEcurvesfortestedOLEDdevices.(B)Quantificationofroll-offinν-DABNAderivative ...。其他文章還包含有:「Efficiencyroll」、「Anunprecedentedroll」、「Afigureofmeritforefficiencyroll」、「Highlyefficientandnearlyroll」、「從IDW看OLED之發展趨勢(上)」、「AphosphorescentOLEDwithanefficiencyroll」、「Reducingefficiencyroll」、「ReducingEfficiencyR...

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Efficiency roll
Efficiency roll

https://communities.springerna

Due to the issue of efficiency roll-off, OLEDs need to be operated under high biases and high current densities to achieve high brightness ...

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An unprecedented roll
An unprecedented roll

https://pubs.rsc.org

An unprecedented roll-off ratio in high-performing red TADF OLED emitters featuring 2,3-indole-annulated naphthalene imide and auxiliary donors†. Check for ...

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A figure of merit for efficiency roll
A figure of merit for efficiency roll

https://www.nature.com

Although excellent progress has been made, in most TADF OLEDs there is a severe decrease of efficiency as the drive current is increased, known ...

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Highly efficient and nearly roll
Highly efficient and nearly roll

https://www.science.org

It is intrinsically related to a general effect in most OLED structures in which the device efficiency tends to decrease with the increasing ...

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從IDW看OLED之發展趨勢(上)
從IDW看OLED之發展趨勢(上)

https://www.materialsnet.com.t

(3)在TADF 材料分子內導入異質原子:可解決延遲激子(Delayed Exciton)的壽命太長,造成效率Roll-off 嚴重,元件的半衰壽命短等缺點。 OLED目前是以 ...

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A phosphorescent OLED with an efficiency roll
A phosphorescent OLED with an efficiency roll

https://pubs.rsc.org

A phosphorescent OLED with an efficiency roll-off lower than 1% at 10 000 cd m−2 achieved by reducing the carrier mobility of the donors in an exciplex co-host ...

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Reducing efficiency roll
Reducing efficiency roll

https://www.sciencedirect.com

The main reason for the efficiencies roll-off is that phosphorescent emitters have relatively long lifetimes and the excitons are easy to accumulate on the ...

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Reducing Efficiency Roll‐Off in Multi‐Resonant Thermally ...
Reducing Efficiency Roll‐Off in Multi‐Resonant Thermally ...

https://onlinelibrary.wiley.co

The OLED devices employing PhCz-O-DiKTa and PhCz-DiKTa as emitters indicate 100% exciton utilization assuming a 25% out-coupling efficiency.