From plasma to LCD and now LED.
The LED TVs you see in the showroom is actually an LCD TV that uses LEDs to illuminate the display. There are two types of display. Back Lit and Edge Lit.
Back Lit have LEDs placed across the entire back of the display, while placing LEDs just around the perimeter, is called “edge lit” display.
Sony was the first to introduce Edge LED lighting.
Samsung and many other TV makers have incorrectly called the new range “LED TVs".
They are not LED TV. Samsung drop the term “LCD” which is a smart marketing move.
After all, “LED” does match a technology that’s all the rage as a new lighting source.
To put it accurately, it is an expensive LCD set.
Is the extra money worth it ?
Well firstly both techniques use less power than plasma TVs and LCD TVs which use fluorescent tubes.
Edge-lit LCDs can be ultra-thin, because the LED sources are on the side and is less expensive than LED backlit technology.
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