Polyethylenimine Ethoxylated-Mediated All-Solution-Processed High-Performance Flexible Inverted Quantum Dot-Light-Emitting Device

Kim, Daekyoung; Fu, Yan; Kim, Sun-Ho; Lee, Woosuk; Lee, Ki-Heon; Chung, Ho Kyoon; Lee, Hoo-Jeong; Yang, Heesun; Chae, Heeyeop

doi:10.1021/acsnano.6b08142

Cited by 190 publications

(142 citation statements)

References 48 publications

(87 reference statements)

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“…148 Owing to the thick substrate and the fragile ITO electrode, the minimum bending radius of the display was limited to several tens of millimeters. For highly flexible QLEDs, the Demir group reported a sticker-like top-emitting QLED using a Kapton polyimide film as a substrate and a thin metal film as a semitransparent electrode (Fig.…”

Section: Wearable Quantum Dot Displaysmentioning

confidence: 99%

Flexible quantum dot light-emitting diodes for next-generation displays

et al. 2018

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In the future electronics, all device components will be connected wirelessly to displays that serve as information input and/or output ports. There is a growing demand of flexible and wearable displays, therefore, for information input/output of the nextgeneration consumer electronics. Among many kinds of light-emitting devices for these next-generation displays, quantum dot light-emitting diodes (QLEDs) exhibit unique advantages, such as wide color gamut, high color purity, high brightness with low turn-on voltage, and ultrathin form factor. Here, we review the recent progress on flexible QLEDs for the next-generation displays. First, the recent technological advances in device structure engineering, quantum-dot synthesis, and high-resolution full-color patterning are summarized. Then, the various device applications based on cutting-edge quantum dot technologies are described, including flexible white QLEDs, wearable QLEDs, and flexible transparent QLEDs. Finally, we showcase the integration of flexible QLEDs with wearable sensors, micro-controllers, and wireless communication units for the next-generation wearable electronics.

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Section: Wearable Quantum Dot Displaysmentioning

confidence: 99%

Flexible quantum dot light-emitting diodes for next-generation displays

et al. 2018

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“…[68,70,71] Of course, some researchers have begun to replace PEDOT: PSS with other solution-processed HILs in inverted QLEDs. [34,69]…”

Section: P E R S O N a L A C C O U N T T H E C H E M I C A L R E C O R Dmentioning

confidence: 99%

Beyond OLED: Efficient Quantum Dot Light‐Emitting Diodes for Display and Lighting Application

Sun

Jiang

Sun

et al. 2019

The Chemical Record

116

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The unique features of solution-processed quantum dots (QDs) including emission tunability in the visible range, high-quality saturated color and outstanding intrinsic stability in environment are highly desired in various application fields. Especially, for the preparation of wide color gamut displays, QDs with high photoluminescence quantum yield are deemed as the optimal fluorescent emitter that has been utilized in the backlight for liquid crystal display. Nevertheless, the commercialization of electrically driven self-emissive quantum dot lightemitting diode (QLED) display is the ultimate target due to its merits of high contrast, slim configuration and compatibility with flexible substrate. Through the great efforts devoted to material engineering and device configuration, astonishing progresses have been made in device performance, giving the QLED technology a great chance to compete with other counterparts for next-generation displays. In this review, we retrospect the development roadmap of QLED technology and introduce the essential principles in the QLED devices. Moreover, we discuss the key factors that affect the QLED efficiency and lifetime. Finally, the advances in device architectures and pixel patterning are also summarized.

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“…To solve this problems, several alternatives such amorphous oxide electrodes, metal grid (mesh), metal nanowire, metal network, carbon nanotube (CNT), graphene, graphene oxide, conducting polymer, and hybrid electrodes have been extensively reported. [10][11][12][13][14][15][16][17][18] In fabricating QDLEDs, several new TCE materials have been employed as anodes or cathodes for hole/ electron injection. With this review, we report on recent research developments in TCEs for QDLEDs.…”

Section: Introductionmentioning

confidence: 99%

Transparent Conducting Electrodes for Quantum Dots Light Emitting Diodes

Seok

Lee

Park

et al. 2019

Israel Journal of Chemistry

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In this review, we briefly describe a recent research development of transparent conducting electrodes (TCEs) for next‐generation quantum dot‐based light‐emitting diodes (QDLEDs). Although sputtered Sn‐doped In2O3 (ITO) and chemically grown F‐doped SnO2 (FTO) electrodes have mainly been employed as transparent electrodes for QDLEDs, there have been great advances in TCE materials and fabrication processes. This review presents important characteristics of various TCE and applications in QDLEDs as a transparent cathode or anode. In particular, we will focus on characteristics of metal grids, metal nanowire, carbon nanotube, graphene, and hybrid electrodes for QDLEDs as promising alternatives to typical ITO and FTO electrodes. In addition, we discuss the current status of transparent conducting oxide‐based QDLEDs. By comparing the performances of QDLED with different TCEs, we suggest promising alternatives ITO or FTO electrodes.

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Polyethylenimine Ethoxylated-Mediated All-Solution-Processed High-Performance Flexible Inverted Quantum Dot-Light-Emitting Device

Cited by 190 publications

References 48 publications

Flexible quantum dot light-emitting diodes for next-generation displays

Flexible quantum dot light-emitting diodes for next-generation displays

Beyond OLED: Efficient Quantum Dot Light‐Emitting Diodes for Display and Lighting Application

Transparent Conducting Electrodes for Quantum Dots Light Emitting Diodes

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