Tatami is a type of traditional Japanese ceiling light made of woven reed. It is also used as a decorative element in Japanese homes and architecture, including as a ceiling material for certain types of light fixtures.

Tatami ceiling light is a type of lamp that is designed to be hung from the ceiling and has a tatami mat as part of its construction. The light source is placed inside a wooden frame, which is covered with a mat or washi paper panel. When the light is turned on, the tatami creates a warm, diffuse glow characteristic of traditional Japanese lighting.

Tatami ceiling lights are often used in traditional Japanese-style rooms, such as tea rooms or tatami rooms, but can also be used in modern homes as a unique and elegant lighting option.