TCL’s latest 6-Series Roku TVs move up to mini-LEDs

The major addition to this year's 6-Series Roku TVs is mini-LED backlighting, which TCL first introduced to mass-market TVs with its premium 8-Series sets last year.

Mini-LEDs are essentially smaller variants of traditional LEDs—generally 0.2mm or less. Because mini-LEDs are so mini, TV manufacturers can include much more of them in their displays: there are more than 25,000 mini-LEDs across the back of the aforementioned 8-Series, and TCL says there are thousands on the 6-Series.