New strategy for developing deep blue TADF materials with narrow emission and CIE<sub><i>y</i></sub> &lt; 0.06 employing host materials as donors

Wang, Da-Hao; Yao, Jing-Feng; Li, Haoze; Li, Gui-Zhen; Xie, Feng‐Ming; Li, Yan-Qing; Hu, Yingyuan; Tang, Jian‐Xin; Zhao, Xin

doi:10.1039/d2nj04063h

New J. Chem.

2023

DOI: 10.1039/d2nj04063h

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New strategy for developing deep blue TADF materials with narrow emission and CIE_y < 0.06 employing host materials as donors

Da-Hao Wang

Jing-Feng Yao

Haoze Li

et al.

Abstract: Achieving deep blue thermally activated delayed fluorescence (TADF) materials with narrow emission still remains a challenge. Herein, two deep blue TADF emitters DCBTRZ and PPCTRZ were designed and synthesized by...

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RGB Thermally Activated Delayed Fluorescence Emitters for Organic Light‐Emitting Diodes toward Realizing the BT.2020 Standard

Fan,

Hao,

Huang

et al. 2023

Advanced Science

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With the surging demand for ultra‐high‐resolution displays, the International Telecommunication Union (ITU) announce the next‐generation color gamut standard, named ITU‐R Recommendation BT.2020, which not only sets a seductive but challenging milestone for display technologies but also urges researchers to recognize the importance of color coordinates. Organic light‐emitting diodes (OLEDs) are an important display technology in current daily life, but they face challenges in approaching the BT.2020 standard. Thermally activated delayed fluorescence (TADF) emitters have bright prospects in OLEDs because they possess 100% theoretical exciton utilization. Thus, the development of TADF emitters emitting primary red (R), green (R), and blue (B) emission is of great significance. Here, a comprehensive overview of the latest advancements in TADF emitters that exhibit Commission Internationale de l'Éclairage (CIE) coordinates surpassing the National Television System Committee (NTSC) and approaching BT.2020 standards is presented. Rational strategies for molecular designs, as well as the resulting photophysical properties and OLED performances, are discussed to elucidate the underlying mechanisms for shifting the CIE coordinates of both donor‐acceptor and multiple resonance (MR) typed TADF emitters toward the BT.2020 standard. Finally, the challenges in realization of the wide‐color‐gamut BT.2020 standard and the prospects for this research area are provided.

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RGB Thermally Activated Delayed Fluorescence Emitters for Organic Light‐Emitting Diodes toward Realizing the BT.2020 Standard

Fan,

Hao,

Huang

et al. 2023

Advanced Science

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New strategy for developing deep blue TADF materials with narrow emission and CIE_y < 0.06 employing host materials as donors

Abstract: Achieving deep blue thermally activated delayed fluorescence (TADF) materials with narrow emission still remains a challenge. Herein, two deep blue TADF emitters DCBTRZ and PPCTRZ were designed and synthesized by...

Cited by 1 publication

References 46 publications

RGB Thermally Activated Delayed Fluorescence Emitters for Organic Light‐Emitting Diodes toward Realizing the BT.2020 Standard

RGB Thermally Activated Delayed Fluorescence Emitters for Organic Light‐Emitting Diodes toward Realizing the BT.2020 Standard

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New strategy for developing deep blue TADF materials with narrow emission and CIEy < 0.06 employing host materials as donors

Abstract: Achieving deep blue thermally activated delayed fluorescence (TADF) materials with narrow emission still remains a challenge. Herein, two deep blue TADF emitters DCBTRZ and PPCTRZ were designed and synthesized by...

Cited by 1 publication

References 46 publications

RGB Thermally Activated Delayed Fluorescence Emitters for Organic Light‐Emitting Diodes toward Realizing the BT.2020 Standard

RGB Thermally Activated Delayed Fluorescence Emitters for Organic Light‐Emitting Diodes toward Realizing the BT.2020 Standard

Contact Info

Product

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New strategy for developing deep blue TADF materials with narrow emission and CIE_y < 0.06 employing host materials as donors