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...

Efficient non-doped fluorescent OLEDs with nearly 6% external quantum efficiency and deep-blue emission approaching the blue standard enabled by quaterphenyl-based emitters

2018 ◽  
Vol 6 (16) ◽  
pp. 4479-4484 ◽  
Author(s):  
Weixuan Zeng ◽  
Yongbiao Zhao ◽  
Weimin Ning ◽  
Shaolong Gong ◽  
Zece Zhu ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Blue Emission ◽  
Device Performance ◽  
Color Purity ◽  
Deep Blue ◽  
Blue Emitters ◽  
Excellent Color

Two quaterphenyl derivatives are rationally designed and synthesized as deep-blue emitters to simultaneously afford outstanding device performance and excellent color purity approaching the NTSC blue standard.

Pyrene based materials for exceptionally deep blue OLEDs

2014 ◽  
Vol 2 (43) ◽  
pp. 9083-9086 ◽  
Author(s):  
Dennis Chercka ◽  
Seung-Jun Yoo ◽  
Martin Baumgarten ◽  
Jang-Joo Kim ◽  
Klaus Müllen
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Host System ◽  
Highly Efficient ◽  
Deep Blue ◽  
Blue Photoluminescence

A 2,7-functionalized pyrene-based emitter for highly efficient OLEDs has been developed. It offers an exceptional deep blue photoluminescence (CIE: x = 0.16, y = 0.024) and good external quantum efficiency (EQE) of 3.1% when employed in a guest–host system OLED.

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...

Enabling a 6.5% External Quantum Efficiency Deep-Blue Organic Light-Emitting Diode with a Solution-Processable Carbazole-Based Emitter

2018 ◽  
Vol 122 (42) ◽  
pp. 24295-24303 ◽  
Author(s):  
Jwo-Huei Jou ◽  
Jheng-Lin Li ◽  
Snehasis Sahoo ◽  
Deepak Kumar Dubey ◽  
Rohit Ashok Kumar Yadav ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diode ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Deep Blue ◽  
Organic Light ◽  
Solution Processable

scholarly journals Correction: Luminescent columnar discotics as highly efficient emitters in pure deep-blue OLEDs with an external quantum efficiency of 4.7%

Soft Matter ◽  
2022 ◽  
Author(s):  
Joydip De ◽  
Ishan Sarkar ◽  
Rohit Ashok Kumar Yadav ◽  
Indu Bala ◽  
Santosh Prasad Gupta ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Soft Matter ◽  
Highly Efficient ◽  
Deep Blue

Correction for ‘Luminescent columnar discotics as highly efficient emitters in pure deep-blue OLEDs with an external quantum efficiency of 4.7%’ by Joydip De et al., Soft Matter, 2022, DOI: 10.1039/d1sm01558c.

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,...

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