BWF World Championship will be held on 8th August till 14th August at Wembley Indoor Stadium, London.

Lee Chong Wei and Lin Dan, if through, gonna meet and confirm who is the best in the final.
But Chong Wei will have a problem because he'll gonna meet Chen Long in the quarter final, and Chen Jin or 
Taufik Hidayat in the semi final.

For detail, go to this link, 

http://www.bwfbadminton.org/page.aspx?id=16288

^_^