Screen went blank while phone is still functioning.

Screen does not come up but phone still work. What replacement part do I need to buy? Is it the Glass Lens Touch Screen Digitizer only or the LCD Display Touch Screen Digitizer Assembly with Frame.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 1
crwdns2934285:0crwdne2934285:0