Definition of backlight
: illumination from behind; also : the source of such illumination
Recent Examples of backlight from the Web
The company announced a 14.1-inch LCD panel that can switch to being illuminated by sunlight instead of the backlight unit when used outdoors.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'backlight'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of backlight
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