Why Does an LCD Screen Need a Backlight?

Answer

Liquid crystal Display (LCD) does not produce light and therefore light is used to illuminate them. The light used to illuminate the crystals is the backlight. Backlights are used in small displays to increase readability in low light conditions.
2 Additional Answers
Your LCD screen needs a back light to illuminate the pixels on the screen. Without the backlight you would not be able is see the pixels. Each pixel displays a different color.
A lcd screen needs a backlight because of how the television creates the picture. The backlight of the tv allows it to have higher levels of brightness and picture quality.
Q&A Related to "Why Does an LCD Screen Need a Backlight"
1. Turn off your laptop and unplug the power cord. Unplug the battery pack from the bottom of the computer and set it aside. 2. Remove all screws from the corners of the LCD screen.
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The LCD screen itself does not generate enough light to be seen. It merely changes the color of light passing through it. The backlight provides this light. Much like a stained-glass
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To fix your LCD screen, it depends on the actual screen and the device that is it connected to. You should troubleshoot using the manual provided with your screen.
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