As Samsung Electronics’ Galaxy Z Flip continues to be sold out in the market, Samsung Display’s foldable OLED cover window UTG (ultra thin glass) market is expected to grow rapidly.
According to UBI Research’s first quarter 2020 parts and materials market track, the UTG market is expected to grow to $ 160 million this year and to $ 640 million in 2023.
In Samsung Electronics’ first-generation foldable phone, the Galaxy folder, a transparent PI made of plastic was used as the cover window, but in the second-generation foldable phone, the Galaxy Z Flip, the cover window was replaced with UTG. The reason Samsung Display changed the transparent PI to UTG is that the glare of the glass cover when the screen is off gives a much more luxurious feeling than the transparent PI.
Samsung Display used transparent PI produced by Dongwoo Fine-Chem for the first-generation foldable OLED, but changed it to UTG produced by Dowooinsys technology. Glass for UTG is provided by Shott. To strengthen the foldable OLED ecosystem, Samsung Display secured a 27.7% stake in Dowooinsys and secured its position as the largest shareholder. Foldable OLED latecomers are now only developing out-folding type foldable OLEDs as transparent PI, but Samsung Display has changed materials to prevent latecomers from following the foldable OLED market at all.