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DONG-HEON YOO1, CHEOL-HEE MOON1,*
The anode and cathode substrates were manufactured separately using solution processes and combined by a lamination. We created an adhesive layer by mixing polyethyleneimine (PEI), polyethylene glycol (PEG), and D-Sorbitol for both physical and electrical contact. To improve the luminous characteristics of the adhesive solution-processed OLEDs, we added TPBi, BCP, and PBD into the device layers. Our results revealed that OLEDs containing the PBD mixture achieved superior performance, reducing operating voltage by 3V, and significantly increasing current density to 1631 mA/cm² and luminance to 9665 cd/m², which are 5 and 3.5 times higher than devices without PBD.
OLED, PBD, Adhesive layer, Lamination, Solution process.
DONG-HEON YOO, CHEOL-HEE MOON, Enhancement of the luminous characteristics of the laminated OLEDs, Optoelectronics and Advanced Materials - Rapid Communications, 18, 9-10, September-October 2024, pp.405-410 (2024).
Submitted at: May 24, 2024
Accepted at: Oct. 2, 2024
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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