Advances in Colloidal Quantum Dot-Based Displays for QLEDs and Patterning Applications

IF 2.9 4区 工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY
Awais Ali, Seongkeun Oh, Woosik Kim, Soong Ju Oh
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引用次数: 0

Abstract

Various display devices utilize colloidal quantum dots (QDs) for photoluminescent (PL) and electroluminescent (EL) applications owing to their exceptional optical properties, including sharp emission bandwidths, tunable emissions spectra, and photoluminescence quantum yields approaching unity. Since the commercialization of PL-based devices, researchers have shifted focus to the commercialization of EL-based devices and patterning processes. Over the past decade, the performance of EL devices has been dramatically enhanced through the meticulous optimization of the device architecture. In addition, solution-based QD patterning techniques have advanced, offering methods that minimize damage to the coated QDs while preserving their intrinsic properties effectively. Recent innovations include the development of ink formulations that improve the stability of QDs under ambient conditions and the use of photolithographic and soft lithographic techniques to achieve high-resolution patterning. This article reviews the recent advancements in various EL-based devices and solution-based methods for QD patterning, highlighting their potential to enable more complex, multi-color displays, and their implications for next-generation consumer electronics.

Abstract Image

基于胶体量子点的 QLED 显示器和图案化应用的进展
胶体量子点(QDs)具有优异的光学特性,包括发射带宽大、发射光谱可调、光致发光量子产率接近一等,因此各种显示设备都利用胶体量子点进行光致发光(PL)和电致发光(EL)应用。自基于 PL 的器件实现商业化以来,研究人员已将重点转向基于 EL 的器件和图案化工艺的商业化。在过去的十年中,通过对器件结构的精心优化,EL 器件的性能得到了显著提高。此外,基于溶液的 QD 图形化技术也在不断进步,所提供的方法既能最大限度地减少对涂层 QD 的损坏,又能有效保留其固有特性。最近的创新包括开发出可提高 QD 在环境条件下稳定性的墨水配方,以及使用光刻和软光刻技术实现高分辨率图案化。本文回顾了各种基于电致发光的器件和基于溶液的 QD 图形化方法的最新进展,重点介绍了它们在实现更复杂的多色显示方面的潜力及其对下一代消费电子产品的影响。
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来源期刊
Korean Journal of Chemical Engineering
Korean Journal of Chemical Engineering 工程技术-工程:化工
CiteScore
4.60
自引率
11.10%
发文量
310
审稿时长
4.7 months
期刊介绍: The Korean Journal of Chemical Engineering provides a global forum for the dissemination of research in chemical engineering. The Journal publishes significant research results obtained in the Asia-Pacific region, and simultaneously introduces recent technical progress made in other areas of the world to this region. Submitted research papers must be of potential industrial significance and specifically concerned with chemical engineering. The editors will give preference to papers having a clearly stated practical scope and applicability in the areas of chemical engineering, and to those where new theoretical concepts are supported by new experimental details. The Journal also regularly publishes featured reviews on emerging and industrially important subjects of chemical engineering as well as selected papers presented at international conferences on the subjects.
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