Nearly every LCD TV on the market has a problem: uniformity. Certain areas of the screen are going to be brighter than other areas. On dark scenes, this can be visible and sometimes distracting. OK, ...

Thin LCD-LED TVs are appealing because they’re easy to find space for and are aesthetically pleasing. To stay slim, most thin TVs, like Samsung’s The Frame pictured above, use edge-lit backlights. But ...