Dark mode can save battery, but only if your device has an OLED screen — here's what you should know

Dark mode can save your battery, but only if your device has an OLED screen. Devices with LCD screens won't save battery with dark mode on.
Ars Technica

NEW LCD , screen is darker at top than buttom, any ideas

No, that's pretty normal. Older and lower end LCDs have much narrower viewing angles, and vertical changes affect brightness.<BR><BR>It's just about whether you are seeing the pixels from above or ...
Gizmodo

For OLED-Like Contrast, Simply Stack an LCD on Top of Another LCD

When placed side-by-side, it becomes immediately obvious why an OLED computer screen can cost hundreds to thousands of dollars more than a traditional LCD display: the OLED’s contrast and black levels ...
Hosted on MSN

I'm a Nintendo Expert and a Certified TV Calibrator. Here's What's Really Wrong With the Switch 2's Screen

The Nintendo Switch 2 is a worthy successor to the original Switch. However, one potential problem for the new console that has garnered a lot of attention is the Switch 2's screen, which is LCD, not ...