Transparent OLED (T-OLED) displays are self-illuminating screens that eliminate the need for a backlight, allowing them to maintain high transparency (often between 33% and 45%) while showing vivid, high-contrast imagery. They are primarily used in commercial settings like high-end retail, museums, and airports to overlay digital information onto physical objects.

Transparent OLEDs are categorized into large-scale commercial signage and small-scale DIY modules. 55EW5P-M | LG OLED Signage for Commercial Display