ZEISS has granted a license for patents relating to LED fluorescence excitation in microscopy to Lumencor, Inc., Beaverton, USA.

These patents protect the use of light emitting diodes for the excitation of fluorescence radiation in light microscopes. The property rights, which are valid in the USA and Canada, were acquired by ZEISS in 2005.

ZEISS uses this technology in a number of products such as iLED-module, Axio Scope with integrated LED illumination for fluorescence applications and Colibri.2 for a wide range of applications extending from routine to high-end microscopy. The users benefit from the optimum flexibility and maximum specimen protection offered by the LEDs as light sources for fluorescence excitation. 

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