Naslov
New insights into the functioning of dye-doped OLED's from model simulations.

Autori
Berner, Detlef ; Tutiš, Eduard ; Nuesch, Frank ; Zuppiroli, Libero

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings on International Conference on the Science and technology of Emissive Displays and Lighting / - Toronto, 2004, 69-72

Skup
International Conference on the Science and technology of Emissive Displays and Lighting

Mjesto i datum
Toronto, Kanada, 13.09.2004. - 16.09.2004

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
multilayer organic organic light-emitting diodes; OLED; modeling; numerical simulation; experiment doping

Sažetak
We present a theoretical and experimental study of multilayer organic light-emitting diodes (OLED s) with a partially doped emission layer. For this purpose OLED devices were fabricated using the laser dye derivatives 4-(dicyanomethylene)-2- methyl-6-{; 2-[(4-diphenylamino) phenyl] ethyl};-4Hpyran (DCM-TPA) with electron trapping capability and 4-(dicyanomethylene)-2-methyl-6-[2-(julolidin- 9-yl)phenyl]ethenyl]-4H-pyran (DCM-II) with both electron and hole trapping capabilities as dopants in a standard architecture. Our well established MOLED device simulation model was used to interpret the data and to gain insight into the influence of the partially doped layer on the transport behavior and the radiative charge recombination distribution as a function of applied bias. In the case of the exclusively electron trapping dopant, a blueshift of the emission color with increasing bias is observed which we find to be due to a splitting of the recombination zone.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA