scholarly journals Dual n-type units including pyridine and diphenylphosphine oxide: effective design strategy of host materials for high-performance organic light-emitting diodes

2016 ◽  
Vol 7 (11) ◽  
pp. 6706-6714 ◽  
Author(s):  
Wei Li ◽  
Jiuyan Li ◽  
Di Liu ◽  
Deli Li ◽  
Dan Zhang
Keyword(s):  
High Performance ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Diphenylphosphine Oxide ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Novel Host ◽  
Improved Performance ◽  
Effective Design

The direct linking of dual n-type units is developed to design novel host materials for improved performance of blue and green phosphorescent organic light-emitting diodes.

Tuning peripheral group density in ternary phosphine oxide hosts for low-voltage-driven yellow PhOLEDs

2015 ◽  
Vol 3 (26) ◽  
pp. 6709-6716 ◽  
Author(s):  
Jing Li ◽  
Zhensong Zhang ◽  
Chunmiao Han ◽  
Dongxue Ding ◽  
Yi Zhao ◽  
...  
Keyword(s):  
Phosphine Oxide ◽  
Light Emitting Diodes ◽  
Low Voltage ◽  
Organic Light Emitting Diodes ◽  
Diphenylphosphine Oxide ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Group Density

Fluorene and diphenylphosphine oxide were employed as peripheral groups to construct ternary host materials DBFxPODEFn with benzofuran as a core, which realized the low-voltage-driven efficient yellow phosphorescence organic light-emitting diodes.

scholarly journals Oxadiazole derivatives as bipolar host materials for high-performance blue and green phosphorescent organic light-emitting diodes

RSC Advances ◽  
2019 ◽  
Vol 9 (55) ◽  
pp. 32010-32016
Author(s):  
Yanming Wang ◽  
Keke Duan ◽  
Guoxiang Li ◽  
Gewen Yu
Keyword(s):  
Charge Transport ◽  
High Performance ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Oxadiazole Derivatives

A high performance blue OLED has been realized by adjusting the ratio of n-type groups of the molecule and obtaining more balanced charge transport.

Diphenylamine/triazine hybrids as bipolar hosts for phosphorescent organic light-emitting diodes

2020 ◽  
Vol 8 (13) ◽  
pp. 4461-4468 ◽  
Author(s):  
Yaxing Zhang ◽  
Yuanyuan Zheng ◽  
Binyan Wang ◽  
Huijuan Ran ◽  
Xiaoli Wang ◽  
...  
Keyword(s):  
High Performance ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials

Bipolar host materials employing diphenylamine as a donor unit and triazine as an acceptor unit have been developed for high performance phosphorescent organic light-emitting diodes.

Direct silicon–nitrogen bonded host materials with enhanced σ–π conjugation for blue phosphorescent organic light-emitting diodes

2016 ◽  
Vol 4 (42) ◽  
pp. 10047-10052 ◽  
Author(s):  
Huanhuan Li ◽  
Lijia Xu ◽  
Yuting Tang ◽  
Ye Tao ◽  
Shen Xu ◽  
...  
Keyword(s):  
High Performance ◽  
Light Emitting Diodes ◽  
Optoelectronic Properties ◽  
Organic Light Emitting Diodes ◽  
Molecular Architecture ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent

High-performance host materials have been designed in the π–σ–π molecular architecture via N–Si–N bonding with increased d-orbital participation of silicon for enhanced σ–π conjugation and improved optoelectronic properties.

New bipolar host materials for high performance of phosphorescent green organic light-emitting diodes

RSC Advances ◽  
2015 ◽  
Vol 5 (40) ◽  
pp. 31282-31291 ◽  
Author(s):  
Gyeong Heon Kim ◽  
Raju Lampande ◽  
Ji Hoon Kong ◽  
Jung Min Lee ◽  
Jang Hyuk Kwon ◽  
...  
Keyword(s):  
Optical Properties ◽  
High Performance ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Oled Device ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials

New bipolar host materials with indenocarbazole and biphenyl pyrimidine moieties are successfully designed and synthesized. The host materials demonstrate excellent electro-optical properties and OLED device performances.

A series of novel host materials based on the 10,11-dihydro-5H-dibenzo[b,f]azepine unit for highly efficient green and red organic light-emitting diodes

2021 ◽  
Author(s):  
Bangjin Sun ◽  
Kai-Ning Tong ◽  
Sheng-Nan Liu ◽  
Man-Keung Fung ◽  
Jian Fan
Keyword(s):  
Building Block ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light ◽  
Host Materials ◽  
Novel Host ◽  
Red Oleds

Highly efficient host materials for green and red OLEDs were developed via the incorporation of 10,11-dihydro-5H-dibenzo[b,f]azepine as a building block.

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