iPhone 5 SE Screen Has Gone Black.
The screen on my iPhone 5 SE has gone black. The phone appears to be on, but I cannot see anything.
iPhone SE
There is no such thing as an iPhone 5 SE.
There is an iPhone 5, and iPhone 5s, and an iPhone SE. They are all different animals.
Force Restart the device (hold the sleep/wake button and home button down until the device reboots and displays the Apple logo.
If that doesn't work, it's time to get it serviced, or just buy a new phone.