Electroluminescence emission pattern of organic light-emitting diodes: Implications for device efficiency calculations

2000 ◽  
Vol 88 (2) ◽  
pp. 1073-1081 ◽  
Author(s):  
Ji-Seon Kim ◽  
Peter K. H. Ho ◽  
Neil C. Greenham ◽  
Richard H. Friend
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Emission Pattern ◽  
Light Emitting ◽  
Organic Light ◽  
Device Efficiency ◽  
Electroluminescence Emission

Solution-processable orange-red thermally activated delayed fluorescence emitters with 3,6-disubstituted carbazole for highly efficient OLEDs with low efficiency roll-off

2022 ◽  
Author(s):  
Yaxing Zhang ◽  
Yuanyuan Zheng ◽  
Changsheng Shi ◽  
Jinyan Zhang ◽  
Tao Wang ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light ◽  
Green Materials ◽  
Device Efficiency ◽  
Low Efficiency

The progress of orange-red thermally activated delayed fluorescence (TADF) emitters for solution-processed organic light-emitting diodes (OLEDs) is still lagged behind blue and green materials in terms of device efficiency. In...

Non-phosphor-doped fluorescent/phosphorescent hybrid white organic light-emitting diodes with a sandwiched blue emitting layer for simultaneously achieving superior device efficiency and color quality

2018 ◽  
Vol 6 (36) ◽  
pp. 9811-9820 ◽  
Author(s):  
Yanqin Miao ◽  
Kexiang Wang ◽  
Long Gao ◽  
Hua Wang ◽  
Furong Zhu ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Color Quality ◽  
Organic Light ◽  
Device Efficiency

The non-phosphor-doped four-color WOLED simultaneously achieves high EQE of 19.35% and high CRI of 93.

Stable and efficient deep-blue terfluorenes functionalized with carbazole dendrons for solution-processed organic light-emitting diodes

2015 ◽  
Vol 3 (34) ◽  
pp. 8895-8903 ◽  
Author(s):  
Lei Zhao ◽  
Shumeng Wang ◽  
Shiyang Shao ◽  
Junqiao Ding ◽  
Lixiang Wang ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Spectral Stability ◽  
Organic Light Emitting Diodes ◽  
Solution Processed ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Device Efficiency ◽  
Cie Coordinates

Deep-blue terfluorenes with highly spectral stability and device efficiency have been successfully developed by functionalizing the backbone with carbazole dendrons, showing a peak EQE of 2.02% and CIE coordinates of (0.16, 0.04) for solution-processed undoped OLEDs.

Enhanced device efficiency in organic light-emitting diodes by dual oxide buffer layer

2018 ◽  
Vol 56 ◽  
pp. 254-259 ◽  
Author(s):  
P. Justin Jesuraj ◽  
Hassan Hafeez ◽  
Sang Ho Rhee ◽  
Dong Hyun Kim ◽  
Jong Chan Lee ◽  
...  
Keyword(s):  
Buffer Layer ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Device Efficiency
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