58‐1: Invited Paper: Progress in High‐Efficiency Heavy‐Metal‐Free QD‐LED Development

58‐1: Invited Paper: Progress in High‐Efficiency Heavy‐Metal‐Free QD‐LED Development

Electroluminescent QD‐LEDs with heavy metal free InP and ZnTeSe quantum dots are one of the most promising future display technologies. Here we report improved efficiency of 19.6%, 17.6%, and 11.5% for red, green, and blue QD‐LEDs, respectively. The blue QD‐LEDs exhibit true blue emission with peak...

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Veröffentlicht in:SID International Symposium Digest of technical papers 2020-08, Vol.51 (1), p.858-861
Hauptverfasser: Ippen, Christian, Newmeyer, Benjamin, Zehnder, Don, Kim, Daekyoung, Barrera, Diego, Hotz, Charlie, Ma, Ruiqing
Format: Artikel
Sprache:eng
Schlagworte:
cadmium-free
Cd-free
Electroluminescence
EQE
heavy metal free
Heavy metals
InP
Light emitting diodes
QD-LED
QLED
Quantum dot
Quantum dots
ZnTeSe
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Zusammenfassung:Electroluminescent QD‐LEDs with heavy metal free InP and ZnTeSe quantum dots are one of the most promising future display technologies. Here we report improved efficiency of 19.6%, 17.6%, and 11.5% for red, green, and blue QD‐LEDs, respectively. The blue QD‐LEDs exhibit true blue emission with peak wavelength of 453 nm.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.14005