Samsung originally toyed with this idea but with Nanorods. Now that is abandoned for unknown reasons. ( Likely cost ). Blue PHOLED also has life time issues. A

Samsung originally toyed with this idea but with Nanorods. Now that is abandoned for unknown reasons. ( Likely cost ). Blue PHOLED also has life time issues. And we will need may be another 5 years of R&D along with 3 years to market. Definitely post 2030.