An LED TV is still an LCD TV, just with LED backlighting. That model is an LCD TV. The difference is in the backlight. Both LED and LCD TVs use an LCD screen. LED TVs have LED backlighting of the LCD screen, which saves energy.
Liquid Crystal Display LCD which is an electronically visual way to display an image using light modulating properties of liquid crystals (LC's). Basically, there is a thin panel filled with LCs that display a video or still picture (graphic) image electronically. As cool as this sounds, the LCs do not emit light directly (they don't have a natural light source) so you can't really see what the LCs are showing very well. To create an LCD panel, a backlight is added to provide a light source for the LCs, and it is this illumination that 'adds' light to the LCD to produce a visual image. The backlight illumination can come from behind the LCs, which is called Direct lighting or from the side which is called Edge lighting. Direct lit illumination provides more brightness but it increases the depth of the TV/monitor and it is more expensive. Edge lit backlighting is effective at lighting the LCs at a lower cost, and takes less depth so the LCD monitor looks more sleek.
CCFl EEFL BASED LCD Television {old type}
These days companies used LED back lights system in LCD Television.
LED Backlight
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