Having worked in Paris for years, Yoo developed his now well-known style of three-dimensional painting in corporating style adopted from the western practices. Yoo is obsessed with objects such as book, typewriter, ladder, clock, bicycling man, bronze, apple, and other items. The artist conveys their latent and multi-faceted meaning – that of meditation, reflection, honesty, prayer, eternity, hope, nostalgia, light and affection. He takes such items as a means of metaphors of life elements which meanings depend on personal imagination and interpretation.
His painting is an epitome of the east-meets-west dreamy, surreal realm with a meditative and poetic sense. In his painting, he also uses the Korean letter as a kind of metaphoric language to add to his works some texture as well as some meaning to his audience. To complete his paintings, he adorns Korean letters over the whole canvas. The objects in his painting interact with each other through these ‘words’ and proliferates the depth of reading or interpretation depending on viewer’s personality and own fantasy.