apps leaves an effect on screen

hello .. please i need your help .. i juut want to know what is this problem with my phone screen .. even when the phone is off

http://www.ce4arab.com/vb7/images/sub/10...

http://www.ce4arab.com/vb7/images/sub/10...

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

crwdns2934109:0crwdne2934109:0

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