Help using Atlas Silvaco to simulate an OLED

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SUMMARY

This discussion focuses on simulating an OLED using Atlas Silvaco and converting light power from watt/um to luminance in cd/m2. Users highlight that watt/um is not a valid unit for luminance and emphasize the need for integration over the visible spectrum to achieve accurate conversions. The conversation also mentions the use of the website https://app.knovel.com/uc/ for assistance, although some users report access issues. The importance of specifying bandwidth when dealing with wavelengths is also noted.

PREREQUISITES
  • Understanding of OLED simulation using Atlas Silvaco
  • Knowledge of photometric units, specifically luminance (cd/m2)
  • Familiarity with light power measurements in watt/um
  • Basic principles of wavelength integration over the visible spectrum
NEXT STEPS
  • Research the integration techniques for converting light power to luminance in Atlas Silvaco
  • Explore the photometric conversion formulas relevant to OLED simulations
  • Learn about the visible spectrum and its impact on light measurements
  • Investigate troubleshooting access issues for online resources like Knovel
USEFUL FOR

Engineers, researchers, and developers involved in OLED technology, simulation software users, and anyone interested in photometric conversions in optical simulations.

halaoui12
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I am trying to simulate an OLED via Atlas SilvacoI want to know how to convert light power (watt/um) into luminance (cd/m2) or the syntax to do that in Atlas silvaco.THANKS
 
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halaoui12 said:
how to convert light power (watt/um) into luminance (cd/m2)

Once you get the units straightened out (watt/um does not appear to be a valid unit of luminance), try this site:
https://app.knovel.com/uc/

(unless that "um" term is micron, indicating wavelength. then you need to specify the bandwidth to get the total power. rather a can-of-worms i would say)

Cheers,
Tom
 
Last edited:
Thank you for your reply
this site did not work (https://app.knovel.com/uc/)
for the conversion there is an integration over the wavelength which must be carried out over the visible spectrum. but I can't insert this integration into the Atlas Silvaco code!!!
 
halaoui12 said:
this site did not work (https://app.knovel.com/uc/)
Site works fine for me using Google Chrome in Windows 10 Home.
 
halaoui12 said:
this site did not work (https://app.knovel.com/uc/)
renormalize said:
Site works fine for me using Google Chrome in Windows 10 Home.
Works for me as well with Windows 10 and Firefox.

@halaoui12 -- maybe some Internet problem with some blocking by your country?

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