What is the main difference between LED and LCD TV?

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ALP CBT 2 Electronic Mechanic Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. There is a CRT backlight in spite of the fluorescent backlight in an LED TV.
  2. There is no difference
  3. There is an LED backlight in spite of the fluorescent backlight in an LED TV.
  4. LED is cheaper than LCD

Answer (Detailed Solution Below)

Option 3 : There is an LED backlight in spite of the fluorescent backlight in an LED TV.
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Comparison between LED TV and LCD TV

LED TV

LCD TV

LED : Light emitting diode

LCD: Liquid crystal display

It is pn junction device

LCD is an optical device

LED TV uses LEDs backlight

LCD TV use fluorescent backlight

Better picture quality

Not up to the level

Thinner than LCD TV

Thicker in size

Very costly

Less costly

More power required

Less Power required

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