Can we use LED instead of LCD in think pad?
Let's get this straight:
All laptop screens are LCD (except for OLED/AMOLED , but those are not yet in laptops)
What you are referring to is the back-light.
LCD-LED and LCD-CCFL
"ThinkPads" use both kinds depending on the year of the manufacture and configuration.
Some models were even released with both types.
Typically you cannot use an LCD-LED in place of the LCD-CCFL,
because of the difference in video connector, and more importantly the back-light power.
Although there are some successful conversions done on laptops,
we have not seen any done on a ThinkPad.
Realistically there is not a lot of difference between LED and CCFL,
primary pro's of LED: Power efficiency, Longer life, better brightness
primary pro's of CCFL: Softer light and no high frequency blinking.
It is always best to replace your broken screen with an exact same back-light type and resolution.
(Although it is possible to upgrade the resolution in computers which shipped with high-res options)