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Warm-white hyperfluorescent organic light-emitting diodes based on complementary color emission.

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Title: Warm-white hyperfluorescent organic light-emitting diodes based on complementary color emission.
Authors: Wang, Jiaqi1,2 (AUTHOR) 19843559282@163.com, Li, Yaxin1,2 (AUTHOR) 13944698385@163.com, Pan, Chaoteng1,2 (AUTHOR) panchaoteng@163.com, Gao, Yuxun1,2 (AUTHOR) 17861822098@163.com, Jin, Chunling1,2 (AUTHOR) 1978464833@qq.com, Zhang, Gang1,2 (AUTHOR) zg982@163.com, Dong, He1,2 (AUTHOR) donghe@jlnu.edu.cn, Wang, Jin1,2 (AUTHOR) jwang@jlnu.edu.cn
Source: Modern Physics Letters B. 6/10/2026, Vol. 40 Issue 16, p1-17. 17p.
Subjects: Organic light emitting diodes, Delayed fluorescence, Chromaticity, Photon emission, Quantum efficiency
Abstract: Paving the way for the next generation of display technologies are organic light-emitting diodes (OLEDs), a leader in technological innovation. Despite significant advancements, developing white OLEDs (WOLEDs) with simultaneously high color purity, long operational lifetime, and high efficiency remains a formidable challenge. The core of our strategy to tackle this challenge was the development of a dual-color hyperfluorescent OLED that incorporated thermally activated delayed fluorescence (TADF) materials. This will enable the device to deliver excellent warm-white light performance. This architecture employs DMAC-DPS as the TADF sensitizer, with TBPe and PO-01-TB serving as the blue and yellow emitters, respectively. The structure of the blue layer was DPEPO: 40% DMAC-DPS: 1% TBPe (20 nm), and the ultra-thin phosphor PO-01-TB (0.1 nm) was used as the yellow light layer. By optimizing the device structure, a high-performance warm-white OLED was obtained. The maximum power efficiency (PE) and external quantum efficiency (EQE) of the device are 31.86% lm W − 1 and 13.54%, respectively. At a brightness of 1000 cd m − 2 , the Commission Internationale d'Eclairage (CIE) was (0.46, 0.50). When the brightness increases from 1 cd m − 2 to the maximum value of 638 coordinates of 2 cd m − 2 , the CIE coordinates only change from (0.46, 0.50) to (0.44, 0.49), with very little variation, implementing warm white light emission. The high performance of the device is attributed to its hyperfluorescent structure. [ABSTRACT FROM AUTHOR]
Copyright of Modern Physics Letters B is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Warm-white hyperfluorescent organic light-emitting diodes based on complementary color emission.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Jiaqi%22">Wang, Jiaqi</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> 19843559282@163.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Yaxin%22">Li, Yaxin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> 13944698385@163.com</i><br /><searchLink fieldCode="AR" term="%22Pan%2C+Chaoteng%22">Pan, Chaoteng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> panchaoteng@163.com</i><br /><searchLink fieldCode="AR" term="%22Gao%2C+Yuxun%22">Gao, Yuxun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> 17861822098@163.com</i><br /><searchLink fieldCode="AR" term="%22Jin%2C+Chunling%22">Jin, Chunling</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> 1978464833@qq.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Gang%22">Zhang, Gang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zg982@163.com</i><br /><searchLink fieldCode="AR" term="%22Dong%2C+He%22">Dong, He</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> donghe@jlnu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Jin%22">Wang, Jin</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> jwang@jlnu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Modern+Physics+Letters+B%22">Modern Physics Letters B</searchLink>. 6/10/2026, Vol. 40 Issue 16, p1-17. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Organic+light+emitting+diodes%22">Organic light emitting diodes</searchLink><br /><searchLink fieldCode="DE" term="%22Delayed+fluorescence%22">Delayed fluorescence</searchLink><br /><searchLink fieldCode="DE" term="%22Chromaticity%22">Chromaticity</searchLink><br /><searchLink fieldCode="DE" term="%22Photon+emission%22">Photon emission</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+efficiency%22">Quantum efficiency</searchLink>
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  Label: Abstract
  Group: Ab
  Data: Paving the way for the next generation of display technologies are organic light-emitting diodes (OLEDs), a leader in technological innovation. Despite significant advancements, developing white OLEDs (WOLEDs) with simultaneously high color purity, long operational lifetime, and high efficiency remains a formidable challenge. The core of our strategy to tackle this challenge was the development of a dual-color hyperfluorescent OLED that incorporated thermally activated delayed fluorescence (TADF) materials. This will enable the device to deliver excellent warm-white light performance. This architecture employs DMAC-DPS as the TADF sensitizer, with TBPe and PO-01-TB serving as the blue and yellow emitters, respectively. The structure of the blue layer was DPEPO: 40% DMAC-DPS: 1% TBPe (20 nm), and the ultra-thin phosphor PO-01-TB (0.1 nm) was used as the yellow light layer. By optimizing the device structure, a high-performance warm-white OLED was obtained. The maximum power efficiency (PE) and external quantum efficiency (EQE) of the device are 31.86% lm W − 1 and 13.54%, respectively. At a brightness of 1000 cd m − 2 , the Commission Internationale d'Eclairage (CIE) was (0.46, 0.50). When the brightness increases from 1 cd m − 2 to the maximum value of 638 coordinates of 2 cd m − 2 , the CIE coordinates only change from (0.46, 0.50) to (0.44, 0.49), with very little variation, implementing warm white light emission. The high performance of the device is attributed to its hyperfluorescent structure. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Modern Physics Letters B is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1142/S0217984926501113
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        Text: English
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        PageCount: 17
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    Subjects:
      – SubjectFull: Organic light emitting diodes
        Type: general
      – SubjectFull: Delayed fluorescence
        Type: general
      – SubjectFull: Chromaticity
        Type: general
      – SubjectFull: Photon emission
        Type: general
      – SubjectFull: Quantum efficiency
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      – TitleFull: Warm-white hyperfluorescent organic light-emitting diodes based on complementary color emission.
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              Text: 6/10/2026
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              Y: 2026
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