First of all, an LED and an LCD are the same thing. An LED is just an LCD with a LED backlight. LEDs use less power and have a higher contrast ratio. I say if you can afford it, go with the LED, you won't be disappointed!
Yes!LED TV is more Expensive than LCD.
An LED screen is always better than an LCD screen. Mainly because the colors are so much brighter. And in the case of a laptop the LED screen draws less power so you will have better battery life.
The difference between a LED and a LCD is that the LED uses back lighting that some say give it a higher quality picture then the LCD TV. Other benefits of the LED is that it is a thinner panel and uses less power to run then the LCD.
LCD and LED
LCD need more power,A typical 17" LCD for computer uses about 40 watts. Compare this to 17" CRT which is 120 watts.LED use less.
There are quite a number of differences between organic LED and LCD. Some of the differences include illumination which is better in LED, LED consumes less power and also has light emitting diodes as the main component among others.
the use less electricity
Liquid-crystal display televisions (lcd), Use a lot of Power. Light-emitting diode (led) is using Half the power. So buy led tv!
LED TV is slimmer in comparison to LCD TV. Thus, LED TV looks more attractive & gives a trendy appeal. Moreover, the former TV consumes 4 times less power as compared to the latter.
Power consumption varies between individual models, but LED-backlit LCD televisions typically consume less power than plasma televisions.
OLED TV actually consumes much less power comparing to any other LCD or LED TVs. It's like OLED consumes almost 70% less power than LCD TV, but there are already some energy saving LED TVs in the market. Even so, OLED TVs are a lot more energy efficient, consuming about 40% less power than any latest LED TVs. That is again one of the strong points of OLED TV.