Bright white electroluminescence from a single polymer containing a thermally activated delayed fluorescence unit and a solution-processed orange OLED approaching 20% external quantum efficiency

2017 ◽  
Vol 5 (41) ◽  
pp. 10715-10720 ◽  
Author(s):  
Yanjie Wang ◽  
Yunhui Zhu ◽  
Guohua Xie ◽  
Hongmei Zhan ◽  
Chuluo Yang ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
White Electroluminescence

Efficient white and orange emissions have been achieved in doped OLEDs using TADF conjugated polymers with a backbone-donor/pendant-acceptor architecture.

A dendrimer emitter doped in a dendrimer host: efficient thermally activated delayed fluorescence OLEDs with fully-solution processed organic-layers

2018 ◽  
Vol 2 (6) ◽  
pp. 1097-1103 ◽  
Author(s):  
K. Albrecht ◽  
K. Matsuoka ◽  
K. Fujita ◽  
K. Yamamoto
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Organic Layers ◽  
Thermally Activated

TADF OLEDs with fully solution-processed organic-layers with all dendrimer emitting layers that exhibit 16.1% external quantum efficiency.

Dendritic host materials with non-conjugated adamantane cores for efficient solution-processed blue thermally activated delayed fluorescence OLEDs

2019 ◽  
Vol 7 (38) ◽  
pp. 11845-11850 ◽  
Author(s):  
Zhihua Ma ◽  
Wenyue Dong ◽  
Jianhua Hou ◽  
Qian Duan ◽  
Shiyang Shao ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Host Materials

Dendritic hosts containing non-conjugated adamantane cores are developed for solution-processed blue TADF OLEDs with a maximum external quantum efficiency of 18.3%.

Multi-carbazole encapsulation as a simple strategy for the construction of solution-processed, non-doped thermally activated delayed fluorescence emitters

2016 ◽  
Vol 4 (13) ◽  
pp. 2442-2446 ◽  
Author(s):  
Jiajia Luo ◽  
Shaolong Gong ◽  
Yu Gu ◽  
Tianheng Chen ◽  
Yifan Li ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Simple Strategy

Multi-carbazole encapsulation is demonstrated as a simple strategy for the development of solution-processed TADF emitters. The resulting OLED achieves a high external quantum efficiency of 12.2% for non-doped solution-processed fluorescent OLEDs.

scholarly journals Red to orange thermally activated delayed fluorescence polymers based on 2-(4-(diphenylamino)-phenyl)-9H-thioxanthen-9-one-10,10-dioxide for efficient solution-processed OLEDs

RSC Advances ◽  
2021 ◽  
Vol 11 (40) ◽  
pp. 24794-24806
Author(s):  
Praetip Khammultri ◽  
Pongsakorn Chasing ◽  
Chirawat Chitpakdee ◽  
Supawadee Namuangruk ◽  
Taweesak Sudyoadsuk ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Efficient Solution ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Maximum Current ◽  
Orange Color

TADF conjugated polymers having 2-(4-(diphenylamino)-phenyl)-9H-thioxanthen-9-one-10,10-dioxide as a TADF unit showed red/orange color emissions and enabled OLED devices with a maximum external quantum efficiency of 10.44% and a maximum current efficiency of 14.97 cd A−1

Thermally activated delayed fluorescence OLEDs with fully solution processed organic layers exhibiting nearly 10% external quantum efficiency

2017 ◽  
Vol 53 (16) ◽  
pp. 2439-2442 ◽  
Author(s):  
Ken Albrecht ◽  
Kenichi Matsuoka ◽  
Daisuke Yokoyama ◽  
Yoshiya Sakai ◽  
Akira Nakayama ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Delayed Fluorescence ◽  
Oled Device ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Organic Layers ◽  
Thermally Activated

An OLED device with fully solution processed organic layers with new laminatable TADF dendrimers, which exhibits 9.5% external quantum efficiency, is reported.

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