Which of these would be most associated with an LCD display?
A) LEDs are used as a backlight
B) Bright lights are used to project an image on the wall
C) Display cells contain noble gas and mercury
D) An electron beam “paints” the image on the screen
E) The screen must be periodically degaussed
F) The screen is never quite big enough
The answer: A) LEDs are used as a backlight
It’s common to use LEDs (light emitting diodes) or fluorescent lights to light an LCD panel.
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Want to know more? Watch “An Overview of Display Device Types.”There are many ways to display the output from your computer. In this video, you’ll learn about CRTs, LCD technology, LED and OLED, plasma displays, and digital projector technology. |
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