Several reasons for his black-covered canvas are assumed, but one thing clear is that what he believed in disappeared into the black surface as a wall collapsed through his unexpected experience in a new circumstance. Lee Bae's black work is a good example of being distinguished from other monochromatic works in that it is saturated by extremely compressing all realistic elements while the monochromatic painting style of Korean abstract art restrained the pleasure of form and color and sought to purify the mind.