"Paper lantern" generally. Many inexpensive import shops carried them in the Before Times. Widely available now. They offer a soft ambient glow. Not ideal as a reading lamp (a bit too diffuse), but quite good for general room lighting.

<https://duckduckgo.com/?q=round+paper+lamp&iar=images&t=ftsa>

Not necessarily that specific lamp, but GULLSUDARE from IKEA is the same kind.

Japanese lantern