ISE 2017: Coretronic Corporation Displays R50K 4K UHD Laser Large Display SolutionFebruary 9, 2017 | Home / February 9, 2017 rave-video / ISE 2017: Coretronic Corporation Displays R50K 4K UHD Laser Large Display Solution ISE 2017: Coretronic Corporation Displays R50K 4K UHD Laser Large Display Solution