The Akari-shoji which uses a thin Kumiko-bone (formation of crosspiece vertically and horizontally such as lattice) for Kamachi like present Akari-shoji often appeared in the Emakimono (picture scroll) in the Kamakura period, but needed some time and technical improvement.
框に細い組子骨を用いる現在のような明かり障子は、鎌倉時代の絵巻物に多く登場するようになるが、多少の時間と技術改良を必要とした。