When you change your ipad screen and find out that there is no backlight, these are the parts you will need to replace/repair the problem.
*** Micro-soldering skills are required. ***
Links on how to replace backlight chip can be found on youtube
Package include:
1x Backlight ic
1x Backlight coil 4r7
1x Backlight filter
Compatible with:
IPAD 2 / 3 / 4