The designers- Yohji Yamamoto, Rei Kawakubo (Commes Des garcons), Issey Miyake and the non Japanese- Ann Demeulemeester, Dries Van Noten, Maison Martin Margiela largely pioneered the fashion revolution and the love for black.
Rei Kawakubo for Commes des Garcons
Dries Van Noten
Maison Martin Margiela
These designers delved into history, ecology, physical and cultural changes, progressive thoughts and portrayed their conclusions or emotions in the process of garment construction. They wanted seams and garment components that were previously invisible to be seen.
Though deconstruction early on was largely unfinished and rough around the edges, a newer concept like reconstructed deconstruction has the output looking more whole and finished.
p.s. I doubt one brief post would suffice on this topic. Will probably add more later once I can study in deeper detail.