If something piques his interest, he will dive into it headfirst and try to learn as much as possible. Outside of technology, Joe is an avid DIYer, runner, and food enthusiast. After several years of jailbreaking and heavily modifying an iPod Touch, he moved on to his first smartphone, the HTC DROID Eris. He got his start in the industry covering Windows Phone on a small blog, and later moved to Phandroid where he covered Android news, reviewed devices, wrote tutorials, created YouTube videos, and hosted a podcast.įrom smartphones to Bluetooth earbuds to Z-Wave switches, Joe is interested in all kinds of technology. He has written thousands of articles, hundreds of tutorials, and dozens of reviews.īefore joining How-To Geek, Joe worked at XDA-Developers as Managing Editor and covered news from the Google ecosystem. Joe loves all things technology and is also an avid DIYer at heart. He has been covering Android and the rest of the Google ecosystem for years, reviewing devices, hosting podcasts, filming videos, and writing tutorials. Joe Fedewa has been writing about technology for over a decade. This does help save battery power, but it's not going to make a significant difference. In other words, if you use a black background on an OLED or AMOLED display, your display will produce less light. Therefore, if you display a black pixel, the diode simply doesn't light up. Each pixel on an OLED screen is an "organic light emitting diode" that produces its own light. OLED screens don't have a solid backlight. However, this doesn't apply if you're using a device with an OLED or AMOLED display. The black pixels block more of the backlight, but the light is still there, using power. With an LCD display, no matter what color a pixel is-dark black or blinding white-there's a backlight at the back of your screen, and it's constantly outputting light. That has to do with the difference between an OLED display and an LCD display. On many displays, such as the computer screen you might be reading this article on, using a black background wallpaper won't save you any battery life.
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