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Top‐Emitting Quantum Dot Light‐Emitting Diodes
In article number 2206133, Jaehoon Kim, Kyung‐Tae Kang, and co‐workers present a novel light extraction structure for top‐emitting quantum dot light‐emitting diodes (QLEDs) called RaDiNa. By utilizing molded irregular holes on polydimethylsiloxane (PDMS) made by ZnO nanorods, the authors are able to widen the narrow viewing angle of top‐emitting QLEDs,...
The quantum dot light‐emitting diode (QLED) represents one of the strongest display technologies and has unique advantages like a shallow emission spectrum and superior performance based on the cumulative studies of state‐of‐the‐art quantum dot (QD) synthesis and interfacial engineering. However, research on managing the device's light extraction has been lacking compared to the conventional LED field...
ZnO nanorod thin films of different thicknesses and CdS quantum dots have been prepared by chemical method. X-ray diffraction pattern reveals that the CdS quantum dot and ZnO nanorods are of hexagonal structure. Field emission scanning electron microscope images show that the diameter of hexagonal shaped ZnO nanorods ranges from 110 to 200 nm and the length of the nanorod vary from 1.3 to 4.7 μm....
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