Extremely High Efficiency Orange Phosphorescent Organic Light-Emitting Devices

Yan Fang Lv; Peng Chao Zhou; Hong Lin; Fei Fei Wang; Na Wei; Bin Wei

doi:10.4028/www.scientific.net/AMR.490-495.3221

Paper Titles

Constant-Wavelength Synchronous Fluorescence Spectrometry for the Determination of Polycyclic Aromatic Hydrocarbons in Water Samples
p.3202

Development of Experimental System in Organic Synthesis
p.3207

Low Temperature Large Scale CVD Synthesis of Nano Onion-Like Fullerenes
p.3211

Automatic Classification of Welding Flaws in Ultrasonic Testing Using the Layer Multi-Class Classifier Based on v-SVM
p.3215

Extremely High Efficiency Orange Phosphorescent Organic Light-Emitting Devices
p.3221

Nonlocal Size Dependence of a Softness Nanobeam with Large Axial Tension under Various Boundary Conditions
p.3226

Effect of Acid Pretreatment on Photocatalysis Bleaching
p.3231

Melt Flow Type and Physical Model of Semisolid Rheo-Casting Process by Cooling Sloping Plate
p.3237

Fracture Analysis near Interface Crack Tip for Mode I of Orthotropic Bi-Materials
p.3242

HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 490-495Extremely High Efficiency Orange Phosphorescent...

Extremely High Efficiency Orange Phosphorescent Organic Light-Emitting Devices

Abstract:

We have developed extremely high efficiency orange phosphorescent organic light-emitting diodes based on an orange phosphorescent material, employing the structure of phosphorescent dye-doped hole transporting layer to improve the power efficiency. The device shows a bright orange emission at approximately 564 nm (Commission Internationale d’Eclairage (0.49, 0.50)) and a maximum brightness of 31030 cd/m2 at a driving voltage of 7.6 V. The power efficiency of device has reached 83.56 lm/W at turn-on voltage of 2.2 V. Moreover, this power efficiency has the potential to be raised to 150 lm/W if the light outcouping can be further improved.

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Periodical:

Advanced Materials Research (Volumes 490-495)

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3221-3225

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.490-495.3221

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Online since:

March 2012

Authors:

Yan Fang Lv, Peng Chao Zhou, Hong Lin, Fei Fei Wang, Na Wei, Bin Wei

Keywords:

Doped Hole Transport Layer, Extremely High Efficiency, Orange Phosphorescent Oleds

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