This monitor is LED or LCD?

I have a Lenovo z510 idea pad, and it's monitor is this: TFT LED-backlit LCD
it have LED and LCD in it's name. Is this LED or LCD?

Both. The backlighting is with LEDs and the display is with the LCDs.

LCD is a type of display technology.

Typically LCDs were light using florescent lighting, more and more they are light using LED lighting.

Your monitor is an LCD that is light with LEDs.

It's LCD with an LED backlight.

Its a LCD with an LED backlight.

Light emitting diode and Liquid cristal diode

Best monitor LED

It's a hybrid technology using Light Emitting Diodes made of tiny Liquid Crystal Displays.

LED just backlights your image. It's good but not essential.