The present invention provides an inorganic-organic composite-treated zinc-plated steel sheet whose treated coatings do not contain any chromium and which is excellent in corrosion resistance after degreasing, coating adhesion and electrodeposition coating performance. A crank and a spring are used to forcefully advance the cutter wheel over about half a turn per full rotation. The movable plate has a reflecting surface to reflect a light beam. The ranking system then generates a ranking of the vertices based on the links between the vertices represented by the stationary distribution of the transition-probability matrix that is minimally perturbed to satisfy the prior knowledge, which may be a partial ranking of the vertices. The organic electronic device according to an exemplary embodiment of the present application shows excellent characteristics in terms of efficiency, driving voltage, and service life.