Why is my phone not responding?

My phone is slightly bend at the lower right part. its screen detached a little. i can feel it vibrate and see a little light at the control buttons. I cant open it i restarted it a lot of time but nothing can be seen it the screen. i tried to like touch all around just to see if the touch screen working but its not. my phone is fully charged but its still not responding.

Please Please... reply ASAp

I cant buy a new phone yet

Ps. sorry for my grammar and bad english