Criteria:

• High-resolution, 
• 7" diagonal,
• Bright - 400+ cd/m2,
• MIPI interface,
• Costs less than $50,
• Available off-the-shelf from multiple suppliers.

We found display panel LT070ME05000 used in Asus Google Nexus 7". Specs look great, so we need to find a supplier with this panel available in a final assembly with hardened glass and touch input.