LG 19LE5300 Owner's Manual page 54

If you don't press any button for a while during the playing, the play
information box (as shown in the below) will float as a screen saver.
The 'Screen Saver'?
Screen saver is to prevent screen pixel damage due to an fixed
mage remaining on the screen for a extended period of time
!
NOTE
When a music file is played,
A damaged or corrupted music file that does not play displays 00:00 as the play time.
Music files with copy-protection will not play.
Press ENTER, or BACK button to stop the screen saver.
is displayed in front of the music play time.
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