Highly efficient emitters of ultra-deep-blue light made from chrysene chromophores

2016 ◽  
Vol 4 (17) ◽  
pp. 3833-3842 ◽  
Author(s):  
Hwangyu Shin ◽  
Hyocheol Jung ◽  
Beomjin Kim ◽  
Jaehyun Lee ◽  
Jiwon Moon ◽  
...  
Keyword(s):  
Band Gap ◽  
Blue Light ◽  
High Stability ◽  
Core Structure ◽  
Central Core ◽  
Intrinsic Properties ◽  
Highly Efficient ◽  
Deep Blue ◽  
Blue Emitters

The chrysene group, with its large band gap and high stability, was selected as a central core structure for ultra-deep-blue emitters. The effects of different side groups on the intrinsic properties of the chrysene core were systematically investigated.

Novel Carbazole-based Multifunctional Materials with Hybridized Local and Charge-Transfer Excited State Acting as Deep Blue Emitters and Phosphorescent Hosts for Highly Efficient Organic Light-Emitting Diodes

2021 ◽  
Author(s):  
Haitao Zhou ◽  
Mengna Yin ◽  
Zhenhong Zhao ◽  
Yanqin Miao ◽  
Xin Jin ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Multifunctional Materials ◽  
Light Emitting ◽  
Highly Efficient ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Emitters

In this work, two carbazole- and benzo[d]oxazole-based novel multifunctional materials with hybridized local and charge-transfer (HLCT) characteristic, namely OCI and OCT, which could act as deep-blue fluorophors and phosphorescent hosts,...

Highly efficient deep-blue light-emitting material based on V-Shaped donor-acceptor triphenylamine-phenanthro[9,10-d]imidazole molecule

2020 ◽  
Vol 180 ◽  
pp. 108511
Author(s):  
Yue Yu ◽  
Ruiyang Zhao ◽  
Haichao Liu ◽  
Shitong Zhang ◽  
Changjiang Zhou ◽  
...  
Keyword(s):  
Blue Light ◽  
Light Emitting ◽  
Highly Efficient ◽  
Deep Blue ◽  
Donor Acceptor

Highly efficient deep blue light emitting devices based on triphenylsilane modified phenanthro[9, 10-d ]imidazole

2013 ◽  
Vol 8 (1) ◽  
pp. L6-L10 ◽  
Author(s):  
Zhao Gao ◽  
Gang Cheng ◽  
Fangzhong Shen ◽  
Shitong Zhang ◽  
Yunan Zhang ◽  
...  
Keyword(s):  
Blue Light ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Highly Efficient ◽  
Deep Blue

Luminescent columnar discotics as highly efficient emitter in pure deep-blue OLEDs with an external quantum efficiency of 4.7%

Soft Matter ◽  
2021 ◽  
Author(s):  
Santanu Kumar Pal ◽  
Joydip De ◽  
Ishan Sarkar ◽  
Rohit A. K. Yadav ◽  
Indu Bala ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Room Temperature ◽  
Highly Efficient ◽  
Deep Blue ◽  
Blue Emitters ◽  
Solution Processable ◽  
Derivatives Of

Development of materials that serve as efficient blue emitters in solution-processable OLEDs is challenging. In this communication, we report three derivatives of C3-symmetric 1,3,5-tris(thien-2-yl)benzene-based highly luminescent room temperature columnar discotic...

Anthracene derivatives as highly efficient deep-blue emitters with extremely low driving voltages, Von ≤2.7 V

2020 ◽  
Vol 180 ◽  
pp. 108458
Author(s):  
Fangcheng Qiu ◽  
Daqi Fang ◽  
Junwu Bai ◽  
Tian Zhang ◽  
Yanan Zhu ◽  
...  
Keyword(s):  
Highly Efficient ◽  
Deep Blue ◽  
Anthracene Derivatives ◽  
Blue Emitters

Highly Efficient and Stable Deep Blue Light Emitting Poly(9,9-dialkoxyphenyl- 2,7-silafluorene): Synthesis and Electroluminescent Properties

2011 ◽  
Vol 44 (1) ◽  
pp. 17-19 ◽  
Author(s):  
Jun Wang ◽  
Chang-qing Zhang ◽  
Cheng-mei Zhong ◽  
Su-jun Hu ◽  
Xue-yi Chang ◽  
...  
Keyword(s):  
Blue Light ◽  
Light Emitting ◽  
Highly Efficient ◽  
Deep Blue

Cyanophenyl spiro[acridine-9,9′-fluorene]s as simple structured hybridized local and charge-transfer-based ultra-deep blue emitters for highly efficient non-doped electroluminescent devices (CIEy 〈 0.05)

2021 ◽  
Author(s):  
Taweesak Sudyoadsuk ◽  
Sujinda Petdee ◽  
Chokchai Kaiyasuan ◽  
Chaiyon Chaiwai ◽  
Praweena Wongkaew ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Quantum Efficiency ◽  
Internal Quantum Efficiency ◽  
Electroluminescent Devices ◽  
Highly Efficient ◽  
Deep Blue ◽  
Successful Approach ◽  
Blue Emitters

The hybridized local and charge-transfer (HLCT) excited state is a successful approach to accomplish both high external and internal quantum efficiency. To attain deep blue emissive HLCT emitters, two cyanophenyl...

MOVPE Growth of Wide Band-Gap II—VI Compounds for Near-UV and Deep-Blue Light Emitting Devices

1998 ◽  
Vol 33 (2) ◽  
pp. 183-195 ◽  
Author(s):  
N. Lovergine ◽  
P. Prete ◽  
G. Leo ◽  
L. Calcagnile ◽  
R. Cingolani ◽  
...  
Keyword(s):  
Band Gap ◽  
Blue Light ◽  
Wide Band ◽  
Wide Band Gap ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Deep Blue ◽  
Movpe Growth

Highly efficient deep-blue fluorescence OLEDs with excellent charge balance based on phenanthro[9,10-d]oxazole-anthracene derivatives

2020 ◽  
Vol 8 (32) ◽  
pp. 11168-11176 ◽  
Author(s):  
Seokwoo Kang ◽  
Jin-Suk Huh ◽  
Jang-Joo Kim ◽  
Jongwook Park
Keyword(s):  
Charge Balance ◽  
Blue Fluorescence ◽  
Highly Efficient ◽  
Deep Blue ◽  
Anthracene Derivatives ◽  
Blue Emitters

Deep-blue emitters based on phenanthro[9,10-d]oxazole (PO) and anthracene moiety for non-doped fluorescenct OLEDs.

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