News & Event

Seminar

News & Event

Seminar

(Sep 17th) Comparison between quantum-mechanical and electromagnetic optical modeling of organic light-emitting diodes, and its application on OLED optical design and analysis

Subject

Comparison between quantum-mechanical and electromagnetic optical modeling of organic light-emitting diodes, and its application on OLED optical design and analysis

Date

2019.09.17 (Tue) 16:00

Speaker

Prof. Kim, Jeong Ho (Department of Information Display, Kyung Hee University)

Place

E3-2, Room 2201(Wooribyul Seminar Room)

Overview:

Organic light-emitting diodes (OLEDs) consist of multilayers with thicknesses of under 100nm, that are smaller than the wavelength of visible light. Therefore device structure design and analysis of OLEDs must consider the micro-cavity effects due to the interference of light. This seminar will introduce the quantum-mechanical and electromagnetic approaches used in OLED optical modeling based on the identity of the two approaches, and how the quantum-mechanical approach may be applied in the analysis of the electromagnetic model’s results. This seminar will also introduce a new OLED optical model using the concept of the Poynting vector, which could calculate the optical power flow and optical absorption spatial distribution within the OLED device, and compare it with conventional electromagnetic-based OLED optical models.

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