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February 9, 2026Advanced Functional Materials2 citationsOpen Access

Enhancing Narrowband Blue Emission in SP-OLEDs Using Columnar Discotic Liquid Crystals

Harnessing the Orientation of Columnar Discotic Liquid Crystals for Narrowband Blue Emission with Enhanced Out‐Coupling Efficiency Toward Improvement of SP‐OLEDs Performance

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Authors

JDJoydip DeAGAbhishek Kumar GuptaDLDžiugas Litvinas

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Overview

This research demonstrates how columnar discotic liquid crystals improve blue emission in SP-OLEDs, suggesting enhanced performance and efficiency.

Key Points

  • The aim is to optimize the orientation and charge transport in OLEDs using discotic liquid crystals.
  • Developed MR-TADF discotic liquid crystals with different mesogenic group structures.
  • Experimented with alignment of emissive films to measure dipole orientation.
  • Evaluated external quantum efficiency of solution-processed OLEDs containing the new emitters.
  • DICz-DMOC film showed a homeotropic alignment and high emission efficiency.
  • Achieved maximum external quantum efficiency of 10.0% in doped SP-OLEDs.
  • Demonstrated high anisotropy factor indicating favorable transition dipole orientation.

Cite This Study

De et al. (2026) studied this question.

synapsesocial.com/papers/69897a86f0ec2af6756e8b74https://doi.org/10.1002/adfm.202528081
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