Toward high-resolution, inkjet-printed, quantum dot light-emitting diodes for next generation displays

Title
Toward high-resolution, inkjet-printed, quantum dot light-emitting diodes for next generation displays
Authors
배완기Jongseok HanDonghyun KoMyeongjin ParkJeongkyun RohHeeyoung JungYeonkyung LeeYongwon KwonJiho SohnByung Doo ChinChanghee Lee
Keywords
quantum dot; inkjet; light-emitting diode; display; high-resolution
Issue Date
2016-09
Publisher
JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY
Citation
VOL 24, NO 9-551
Abstract
We have investigated the possibility of fabricating quantum dot light-emitting diodes (QLEDs) using inkjet printing technology, which is the most attractive method for the full-color patterning of QLED displays. By controlling the quantum dot (QD) ink formulation and inkjet printing condition, we successfully patterned QLED pixels in the 60-in ultrahigh definition TV format, which has a resolution of 73 pixels per inch. The inkjet-printed QLEDs exhibited a maximum luminance of 2500 cd/m2. Although the performance of inkjet-printed QLEDs is low compared with that of QLEDs fabricated using the spincoating process, our results clearly indicate that the inkjet printing technology is suitable for patterning QD emissive layers to realize high-resolution, full-color QLED displays.
URI
http://pubs.kist.re.kr/handle/123456789/64740
ISSN
1071-0922
Appears in Collections:
KIST Publication > Article
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