- JUNE 13, 2012？UL 8752 tr1 UL Standard for Safety for Organic Light Emitting Diode (OLED) Panels, UL 8752 First Edition, Dated June 13, 2012 Summary of Topics This is the First Edition of the Joint UL/ULC Standard for Organic Light Emitting Diode (OLED) Panels, UL 8752/ULC-S8752. There are national differences only where standards (U.S. vs. Canadian) are referenced. However, the body of the standard is technically identical for Canada and the U.S. The new require