Only backlight with multipule screens

Hi all have a iPhone 5c here came in smashed and no screen working beeping every few seconds in charger.

New screen almost all the time fixes it but I have tryed 5 screens with all the same out come backlight is only lit and still beeping on charger I have reset battery on every screen so I don't need to hard reset.

Anyone no if this is componant damage from the fall?

99% sure it is but would like to here from someone tht has had this before.. Oh apple logo does Appear and fade away after 4 seconds

Hi all wee update finally got it recognised in iTunes and performed a restore but still no luck still only backlight lit any1 with any help greatly appreciated