At CES 2021, LG showcasing its 55-inch transparent OLED screen. Technical Specifications:
Brightness(Typ.): 400 cd/m² (APL 25%, without Glass)
Transparency(Typ.) : 38% (Panel)
Bezel : 7.9 mm (T/B/L), 121.7 mm (B)
Interface : HDMI/DP/USB(2)/
IEC 61373 Standard Verified
More Info: http://lge.to/NSCssR