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Transparent OLEDs have been demo'd for ages now. They are a flashy demo, and show off R&D and production capabilities. They haven't really materialized into broad consumer products though, perhaps due to limited market & practicality, custom nature of applications, performance, or cost.

To make transparent microLEDs appear in your local Best Buy, something should be different about them vs OLEDs - so I don't trust these to make it out of CES either.

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I've personally seen transparent OLED displays in museum displays. So the market is definitely closer to that of video walls, than of 85-inch televisions made for the living room. I could see it coming to controlled conditions like supermarket freezer window panes, but not something architectural.

Sure, the signage business might not be high volume relative to consumer electronics. However, engineering entire new use-cases to target larger markets might not be worthwhile, if supply and pricing cannot meet market expectations due to yield constraints.

For anyone wanting to make a transparent OLED, you can just peel the backing foil off a regular OLED.

Beware that without the foil, the OLED is super fragile - the back touching anything will make rows/columns break, so if I were you I'd replace it with a sheet of clear plastic/glass for actual use.

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