Learning where the notes are on the fretboard is definitely a worthwhile use of your time! I highly recommend it.
This channnel episode I filmed awhile ago has an exercise for learning where the notes are on the fretboard that might be useful for you:
http://www.guitartricks.com/tutorial.php?input=1626
Keep at it and have fun!
Mike
Keep rockin!
Mike Olekshy
GT Guitar Coach