62‐7: <i>Invited Paper:</i> Quantum Dot Color Conversion for OLED and microLED Displays

Tangirala, Ravisubhash; Lee, Ernest; Sunderland, Chris; Guo, Wenzhuo; Mamuye, Ashenafi Damtew; Wang, Kevin; Hwang, Eun Young; Kim, Nahyoung; Hotz, Charlie

doi:10.1002/sdtp.14832

Cited by 11 publications

(9 citation statements)

References 4 publications

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“…Both green and red PeNCs films exhibited excellent FWHM and PLQY properties. The typical solid concentration of PeNCs in the ink is 2 -5 wt%, which is about an order of magnitude lower than the 25 -30 wt% InP ink [3], because the absorption coefficient of PeNCs is about ten times larger than that of InP QDs [4]. The low solids concentrations of PeNCs inks are advantageous for ink-jet printing, and it is also possible to produce higher concentration inks that achieve thin ≤5 µm QDCC films.…”

Section: Pencs Ink Design and Stabilizationmentioning

confidence: 99%

86‐5: Late‐News Paper: Green‐ and Red‐Emitting Perovskite Nanocrystal Inks for Color Conversion Display Technologies

Ohashi,

Yoshimasa,

Teshima

et al. 2023

Symp Digest of Tech Papers

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Perovskite nanocrystals (PeNCs) are promising color converters due to their high blue light absorption and narrow‐band emission. This paper reports on the bright and stable PeNCs inks for patterned green/red color conversion pixels. Inks designed to stabilize PeNCs have a shelf life of more than one month, and UV‐cured PeNCs films exhibit high color conversion efficiency and practical durability to blue light and heat. Our PeNCs inks are capable of sufficient color conversion even at high pixel resolutions and will be a viable solution for full‐color OLED and micro‐LED displays.

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Section: Pencs Ink Design and Stabilizationmentioning

confidence: 99%

86‐5: Late‐News Paper: Green‐ and Red‐Emitting Perovskite Nanocrystal Inks for Color Conversion Display Technologies

Ohashi,

Yoshimasa,

Teshima

et al. 2023

Symp Digest of Tech Papers

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“…In this regard, recently reported heavy-metal-free green QDs with confidential composition exhibit a higher blue light absorption (98% for a 10-μm film) in comparison to green indium phosphide (InP) QDs. 88 Meanwhile, as in the case of QDs for display, it is quite likely that PNCs will be introduced and further developed through a similar initial market and technology roadmap, respectively. However, the PNCs' rapid development in the past few years and the recent announcement of prototype perovskite products are pointing to a faster commercialization pace in comparison to QDs, specifically to CdSe QDs.…”

Section: ■ Perovskite−polymer Composites For Photoluminescence Applic...mentioning

confidence: 99%

“…It is also worth noting the urgent need for further research in heavy-metal-free QDs other than In-based QDs, due to the scarcity of In and to the complex core–shell–shell (C/S/S) structure of the In-based QDs, leading to expensive, time-consuming synthesis. In this regard, recently reported heavy-metal-free green QDs with confidential composition exhibit a higher blue light absorption (98% for a 10-μm film) in comparison to green indium phosphide (InP) QDs …”

Section: Perspective On Quantum Dots- and Perovskite Nanocrystals-bas...mentioning

confidence: 99%

Luminescent Nanomaterials for Energy-Efficient Display and Healthcare

et al. 2022

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Luminescent quantum dots (QDs) and perovskite nanocrystals (PNCs) are promising, efficient energy converters for advanced displays and light sources. Their widespread applications in the photoluminescence (PL)-based displays have been achieved through color enhancement films and patterned color-converters. Meanwhile, electroluminescence (EL) devices based on QDs and PNCs are still under active development, but emerging applications in the healthcare domains could accelerate their adoption. Herein, we first analyze the QD color-conversion displays guided by state-of-the-art research and then summarize the evolution of in situ strategies to fabricate efficient and stable PNC–polymer composites. Subsequently, we introduce the application of flexible QD light-emitting devices for healthcare as a potential early target market. Remaining challenges and future perspectives of QDs and PNCs as light-converters for PL displays, and of QDs for EL applications in healthcare, are analyzed.

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“…[ 199 ] Nanosys reported 10 µm‐thick QDEFs with InP‐based core/shell QDs representing photon conversion efficiency of 38%. [ 200 ]…”

Section: Applications Of Nanoscale Emittersmentioning

confidence: 99%

Progress and Prospects of Nanoscale Emitter Technology for AR/VR Displays

Park

Keum

Zhou

et al. 2022

Adv Materials Technologies

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Augmented reality (AR) and virtual reality (VR) are emerging interactive technologies that realize the “metaverse,” leading to a totally new digital interactive experience in daily life in various aspects. In order to provide users with a more immersive experience, displays for AR/VR have rapidly evolved to achieve high resolutions and a large color gamut on small panels. Recently, nanoscale light emitters such as quantum dots (QDs) and metal halide perovskites (MHPs) with high photoluminescence quantum efficiency and color purity levels have garnered much attention as color conversion materials in AR/VR displays. However, the low material stability and the absence of a high‐resolution patterning process that does not impair the optical properties of nanoscale emitters act as obstacles preventing the realization of high‐resolution AR/VR displays. Here, the state‐of‐the‐art technologies constituting current AR/VR devices are reviewed from an industrial point of view and the recent progress in QD and MHP emitter technologies are discussed, including their basic structural properties, synthesis strategies to enhance the stability, advanced patterning technologies, down‐conversion and light‐emitting diode applications. Based on the review, the authors’ perspective on future research directions of nanoscale emitters for next‐generation AR/VR displays is presented.

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62‐7: Invited Paper: Quantum Dot Color Conversion for OLED and microLED Displays

Cited by 11 publications

References 4 publications

86‐5: Late‐News Paper: Green‐ and Red‐Emitting Perovskite Nanocrystal Inks for Color Conversion Display Technologies

86‐5: Late‐News Paper: Green‐ and Red‐Emitting Perovskite Nanocrystal Inks for Color Conversion Display Technologies

Luminescent Nanomaterials for Energy-Efficient Display and Healthcare

Progress and Prospects of Nanoscale Emitter Technology for AR/VR Displays

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