Overview

Laoss is a powerful software to perform electrical, thermal and optical simulation on large area semiconductor devices. This software has been developed to allow design and optimization of OLEDs, solar cells and large-are panels (displays, lighting panels, and photovoltaic arrays).

  • Easy-to-use. Get started quickly on Finite-Element-Analysis (FEA) even without expertise.

  • Wide range of different output data and comprehensive result visualization.

  • High-speed computation on standard PCs

  • Intuitive Graphical User Interface (GUI) and workflow

Laoss Tutorial Video

Workflow

Electrical Module

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Simulate the characteristics of large-area OLEDs and solar cells  (current-voltage curves, total power dissipation, fill factor vs. conductivity, 2D-distribution of the electrical potential…).

  • Optimization of the electrode design. Reduction of electrical losses.

  • Studying non-ideal effects in OLEDs and solar cells (e.g. electrical shunts)

  • Understanding electrical cross-talk in RGD OLED pixel array.

Learn more about the Electrical Module

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Thermal Module

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Coupled electro-thermal model to simulate the two-way interaction between heat generation and electrical properties of the semiconductor.

  • Calculating the temperature distribution in OLEDs and solar cells under standard operations

  • Explaining non-ideal IV characteristics of OLEDs and solar cells due to electrothermal coupling

Learn more about the Thermal Module

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Optical Module

Simulate in- and out-coupling in OLEDs and solar cells functionalized by complex 3D optical elements or surface texturing.

  • Optical simulation with a powerful 3D ray-tracing algorithm.

  • Modeling stand-alone 3D optical elements and their contribution to the device.

  • Simulating optical cross-talk in OLED displays.

  • Easily coupled to Setfos to analyze OLEDs and PVs with complex light-coupling geometries.

Learn more about the Optical Module

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Outputs

Wide range of different output data, such as IV curves, Fill Factor vs. conductivity graphs, 2D visualization of electrodes electric potential, current density and dissipation, total output power….

Electric potential in an electrode with a metal grid for conductivity improvement.
 


Laoss produces accurate IV curves for device characterization, which allows for the extraction of its main parameters: Voc, Isc, FF, Pmax.

Electric potential along the horizontal axis of an electrode with a metal grid for conductivity improvement.


Fill factor vs conductivity, converging towards the ideal case of a perfectly conducting electrode.

Current density flowing in an electrode with a metal grid for conductivity improvement.