What is a liquid crystal display?
Q: What is a liquid crystal display?
A: A liquid crystal display is a special thin flat panel that can let light go through it or block the light, made up of several blocks filled with liquid crystals that can be made clear or solid, depending on the electric current applied.
Q: Does an LCD produce its own light?
A: No, an LCD does not produce its own light.
Q: Why are LCDs often used in battery-powered devices?
A: LCDs are often used in battery-powered devices, such as digital watches, because they use very little electricity.
Q: What are LCDs often abbreviated as?
A: LCDs are often abbreviated as Liquid Crystal Displays.
Q: Where are LCDs commonly used?
A: LCDs are commonly used in flat screen TVs and battery-powered devices like digital watches.
Q: Do all LCDs require a back-light?
A: No, some LCDs work well by themselves when there is other light around, such as in a lit room or outside in daylight.
Q: What is built into products like smartphones, computer monitors, and TVs to provide back-lighting?
A: A back-light is built into products like smartphones, computer monitors, and TVs, and can be an LED or Cold Cathode Fluorescent Light (CCFL).
