If you grab a dealer brochure, it shows them much better than those pictures. They do take standard bulbs in the usual locations as you pointed out, but there are two horizontal LED strips in each light, located underneath the clear portion (reverse/turn).
2012 Yellow Blaze Focus SE Sedan (DD+Project)
1992 Bright White Grand Prix SE Sedan (Project)
SR #74/SMk3C #17/YBOC #03