An easy-to-use ray-tracing package to simulate 3D optical elements. It allows to simulate in and out-coupling in OLEDs and solar cells functionalized by complex 3D optical elements or surface texturing.

Case Studies

Stand-alone 3D Optical Elements

Fresnel lenses or other optical elements can be coupled to OLEDs and solar cells to improve their efficiency. Also, structuring of the device surface is an effective solution to increase the device light outcoupling. Laoss can model the optical output of a chosen optical element by using a powerful ray-tracing algorithm. The simulation results can be coupled to Setfos to study OLEDs and PVs with complex light-coupling geometries.

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Simulating Optical Cross-talk in OLED Displays

In displays combining white OLEDs (WOLEDs) and color filters (CF), the color gamut can be hampered by the leakage of light through a filter, when the WOLED of an adjacent unit is addressed. This optical cross-talk is given by light that is scattered inside the optical structure and that leaks to near pixels before exiting the display. Mitigation of light cross-talk in WOLEDs/CF is a complex engineering problem that requires the combined optimization of several geometrical parameters. Laoss can capture the nature of pixel cross-talk. Such simulations are thus a suitable tool to optimize the characteristics of the pixel matrix without costly and time-consuming processes of device fabrication and testing.

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