https://www.engadget.com/2008-06-08-sapphire-shows-off-56-inch-quadhd-lcd.html
Sapphire shows off 56-inch QuadHD LCD
Jun 9, 2008 - When it comes to QuadHD, if 82-inches is too big, and 52-inches isn't quite big enough, maybe Sapphire's 56-inch, 8.3 megapixel, 3840 x 2160 res LCD is just...
shows off56 inchsapphirequadhdlcd