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How-To Geek

Backlight

Backlighting is the process by which displays are lit via light shined through them towards the user. Smartphone screens, computer monitors, television sets, and other common display interfaces are lit by LED or fluorescent lights in this fashion.

Some displays have no lighting at all (such as early generation portable game systems like the original GameBoy and early ebook readers like the first through third generation Kindles), and rely on environmental light. Some newer devices like the Kindle Paperwhite feature a type of front lighting wherein light is bounced off the inside of the protective screen to recreate the effect of reading by ambient environmental light.

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