Panasonic has its answer to the Mi TV Lux, the Transparent OLED Display Module. The device will begin shipping from next month and will be available in two models. One of these contains a special dimming unit, which should give it the effect of not being transparent at all.
https://www.notebookcheck.net/Panasonic-teases-transparent-OLED-display-ahead-of-global-December-launch.505397.0.html
At least the contrast is saved.
Yeah, I don't get all of this transparency display crave from LG and others.
It seems like we're going backwards with a ridiculous price tag just to watch ugly / useless content.