LCD or LED?

Hello guys!
Today i want explain some info about LCD and LED.
I guess you all know about LCD and LED , yes its about the display of electronic devices.
Ok what is LCD?

LCD(Liquid Crystal Display) is a a flat panel display, electronic visual display, or video display that uses the light modulating properties of liquid crystals. Its usually using on Television, calculator and computer display. LCD was dominating on notebook display because of a low-used energy and high resolution. Each pixel on LCD is contained by molecule layer on two transparent electrode.
So what is LED?
LED(Light-emitting Diode) is a  semiconductor light source. LED's are used as indicator lamps in many devices and are increasingly used for other lighting. Of course on Television history, LED is a transform of LCD TV, where the fact about LCD vs LED :

LED fact :
-High Quality Graphic.
-Used a bit energy compared LCD.
-Free of Mercury and very thin display.
-Price of LED more expensive about 30$ - 40$ from LCD.
-The weight is a bit lower from LCD.

LCD fact :
-Good Quality Graphic, but sometimes its like an burned display.
-Price between 150$ - 200$ each year to operated LCD.
-Mercury used on manufactory process.
-Price is lower from LED.