Black screen can reduce power consumption by up to 58% without having to turn off your device. It means your display will be technically off and will not drain the battery. If you’re using an OLED screen, using the dark screen will turn off the pixels on the screen. You can also use our dedicated Dead Pixel Test (coming soon) to identify bad pixels on your screen. Any pixel that’s not working on any color will get highlighted automatically. Using our tool, you can set different colors like white, red, blue, green, etc on full screen. If the screen looks dark gray, it means pixels are still on and it's an LED display Finding Dead Pixelsĭead pixels are hard to find until you check the display with different solid colors. If the screen looks completely black, it means all pixels are turned off and it's an OLED display. Firstly, turn off all other lights in the room and then turn on the black screen on your device. You can also test OLED vs LED screen using the black screen background. The right values of the two will enhance the color balance and ensure the best viewing experience. You must set the brightness and contrast in such a way that the screen looks absolutely black. It is really easy with black screen to test backlight bleed.Īdjusting the brightness and contrast of your display also becomes easy with a blank black screen. You can use the black screen to test monitor, simply make the screen black and observe if the monitor has issues. Uses of Black Screen Test Display Testing
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