Patent 12117152 was granted and assigned to Imam Abdulrahman Bin Faisal University on October, 2024 by the United States Patent and Trademark Office.
A lighting unit including a hollow hemispherical body, a hemispherical holder, and a sphere. A center of a bottom half of the hollow hemispherical body contains the hemispherical holder which is configured to hold the sphere. The sphere includes a light source, a translucent portion, and an opaque portion. The light source is disposed inside of the sphere, and the sphere is configured to rotate within the hemispherical holder so as to vary a position of light emitted by the light source through the translucent portion.