Delayed Lock v2.8.2

Not using any pattern-, PIN- or password-lock is a huge security problem, but
reentering your PIN a hundred times a day can also be annoying. DelayedLock is a
solution to this problem: After unlocking your phone, it will turn the lock
screen off for a user defined amount of time.

You can turn your phone [...]

More: http://mobilehere.net/2012/09/delayed-lock-v2-8-2.html