Study of the Light Coupling Efficiency of OLEDs Using a Nanostructured Glass Substrate | Zendy

Min Won Lee | Zendy; Siegfried Chicot | Zendy; ChiiChang Chen | Zendy; Mahmoud Chakaroun | Zendy; Getachew Ayenew | Zendy; A. Fischer | Zendy; Azzedine Boudrioua | Zendy

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Study of the Light Coupling Efficiency of OLEDs Using a Nanostructured Glass Substrate

Author(s) -

Min Won Lee,

Siegfried Chicot,

ChiiChang Chen,

Mahmoud Chakaroun,

Getachew Ayenew,

A. Fischer,

Azzedine Boudrioua

Publication year - 2014

Publication title -

journal of nanoscience

Language(s) - English

Resource type - Journals

eISSN - 2356-749X

pISSN - 2314-6931

DOI - 10.1155/2014/258937

Subject(s) - oled , substrate (aquarium) , materials science , optoelectronics , nanostructure , diode , extraction (chemistry) , light emitting diode , nanotechnology , layer (electronics) , chemistry , oceanography , chromatography , geology

We study theoretically the enhancement of the light extraction from an OLED (Organic Light-Emitting Diode) with nanoair-bubbles embedded inside a glass substrate. Due to such a nanostructure inside the substrate, the critical angle which limits the light extraction outside the substrate from the OLED is increased. The theoretical results show that the nanoair bubbles near by the substrate surface can improve the efficiency of the light extraction by 7%. Such a substrate may also be suitable for photovoltaic cells or display screens

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