When shopping for a new TV or phone, you'll often see "LED" and "OLED". But which one is better at avoiding burn-in? Burn-in happens when a faint image gets stuck on the screen, and it can affect how ...

Both LCD TVs and LED TVs have been on the market for many years. TV-size LCDs gained popularity in the mid-2000s, while LED TVs followed a few years later. The marketing departments for many companies ...