LCD                                                                                                LED
 1 from it we cannot a proper vision                          1 we can have a proper vision from any corner                                                        from any corner                     
  2 fluorescent lights are used  to                                     2 diodes are used to emit 
  emit light                                                                                      light                        3  screens are not as thick as LED'S                                                                                                                                               3 in this the screen can be 
                                                                                       max thick
1 5 1

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What’s the difference between LCD and LED?
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LCD stands for “liquid crystal display” and technically, both LED and LCD TVs are liquid crystal displays. The basic technology is the same in that both television types have two layers of polarized glass through which the liquid crystals both block and pass light. So really, LED TVs are a subset of LCD TVs.

LED, which stands for “light emitting diodes,” differs from general LCD TVs in that LCDs use fluorescent lights while LEDs use those light emitting diodes. Also, the placement of the lights on an LED TV can differ. The fluorescent lights in an LCD TV are always behind the screen. On an LED TV, the light emitting diodes can be placed either behind the screen or around its edges. The difference in lights and in lighting placement has generally meant that LED TVs can be thinner than LCDs, although this is starting to change. It has also meant that LED TVs run with greater energy efficiency and can provide a clearer, better picture than the general LCD TVs.