Harm van Eersel, Simbeyond B.V.

Bumblebee / the ultimate tool for OLED R&D

Organic light-emitting diodes (OLEDs) are the state-of-the-art technology in displays, and emerging in large-area or flexible lighting, and signage. However, optimizing efficiency, lifetime and color point of devices and getting the most out of the materials remains challenging due to the complex interplay between charges and excitations at the molecular scale.

Without simulation, devices can only be optimized with expensive and labor-intensive experiments. Often, optimization has to start over when new material combinations are used.

Bumblebee allows one to simulate the interplay between all electronic and excitonic processes in OLEDs, at the molecular scale, in all three dimensions, and from the nanosecond timescale to the full device lifetime. The simulations predict the electrical characteristics, efficiency, color point and lifetime of devices, based on physically meaningful material parameters, which may be obtained from a few dedicated experiments. The performance of any combination of materials and stack architectures, under a wide range of operational conditions, can be predicted.

For more information, visit http://simbeyond.com/bumblebee

Presented by Alice Furlan, Harm van Eersel and Siebe van Mensfoort

NanoCity 2016

For more information, visit http://simbeyond.com/bumblebee

Presented by Alice Furlan, Harm van Eersel and Siebe van Mensfoort

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