Samsung QN90A 55-inch 4K UHD TV review: Mini-LED meets quantum dots

Samsung’s Neo QLED QN90A takes the company’s already outstanding QLED color and brightness and, thanks to far more granular mini-LED backlighting, enhances it with far better blacks. The overall result is truly impressive, although Samsung still has some work to do on its zone dimming techniques.  Design and features The 54.6-inch (55-inch class) version of the QN90A I