LEDJ is a brand of stage lighting (e.g., LED Starcloths). While less likely to be paired with "TNK," you might be looking for a firmware zip file for an LEDJ controller. These are typically hosted on the Prolight Concepts website. How can I help you narrow this down?
The acquisition of Virttu Biologics ("Virttu") by Sorrento Therapeutics (SRNE) via TNK Therapeutics. Download LEDJ VIA TNK zip
If you are looking for something else, it might be related to one of these niches: LEDJ is a brand of stage lighting (e
Or are you trying to find for stage lighting equipment? Download LEDJ VIA TNK zip