Which of these would best describe an LCD display?
A) Organic compound emits light when receiving an electric current
B) A backlight is required to view the display output
C) Must cool down before powering off
D) Uses an electron gun on a phosphorescent screen
E) Contains noble gas and mercury
F) Works much better than a droid holograph
The answer: B) A backlight is required to view the display output
An LCD display requires some type of backlight to shine through the LCD panel. Older displays used florescent lights, but most LCD displays today use LED backlights instead.
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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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