This technology takes advantage of quantum dot, a style of semiconductor that generates coloured lights. So, a layer of Quantum Dots is used to improve the colour and brightness from the substantially. They're way much better than LED-LCD but with regard to good quality, they are near to OLED screens. https://erickscoaq.blogdomago.com/29404498/smart-waterproof-mirror-tv-for-bathroom-market-options