So you would like to use your large tablet as a second display for your laptop? Mountie+ can help. It is compatible with iPads and portable monitors. In fact, devices between 5mm to 9mm are supported, so you can do more with your laptop anywhere.
Mountie+ has a charging cable pass-through channel and dual grips to keep your tablet put. It is available for under $35 at this time.[where to get it]