CMOS OLED microdisplays achieve 45% transparency

https://techxplore.com/news/2024-08-transparent-electronics-transparency-microdisplays.html

"organic silicon backplane, containing entire active matrix drive pixel electronics, monolithically integrated on topmost metallization layer, simultaneously drive contact for OLED... 2nd connection of OLED is semi-transparent top electrode shared by all pixels... aluminum or copper. metal layer connectors... highly reflective bottom electrode ensures high optical efficiency upwards... transparent areas between pixels, column/ row wiring minimization, anti-reflective coatings... OLED microdisplays, microlens array for AR"