Differences Between LCD and LED

Differences between LCD and LED is important to understand as they are both very co-related and it is possible to get confused between one and the other. LCD stands for liquid crystal display while LED stands for light emitting diodes. They differ from one another in the fact that LCD’s usually use fluorescent lights while lights use light emitting diodes. The structure of both LCD and LED is quite the same as the technology behind these screens is the same. The differing television types have two different layers of polarized glass through which liquid crystals block as well as pass light. Thus, this is one of the key differences and similarities between LCD and LED.

Difference between LCD and LED

LCD

LED

LCD stands for liquid crystal display.

LED stands for light emitting diodes.

All LCDs are not a subset of LED TV’s.

All LEDs are a subset of LCD TV’s.

LCDs primarily use fluorescent lights

LEDs use light emitting diodes

Fluorescent lights used are usually placed behind the screen.

Light emitting diodes are usually placed behind the screen or around the edges.

LCDs are usually thicker in size and lack energy efficiency compared to LEDs

LEDs are much thinner in size and are much more energy efficient.

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Practise This Question

A wire has a non-uniform cross-sectional area as shown in figure. A steady current i flows through it. Which one of the following statement is correct