ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,360, issued on July 14, was assigned to Dell Products LP (Round Rock, Texas).

"Liquid crystal camera aperture" was invented by Yi-Hsien Lin (Taipei City, Taiwan), Ghee Beng Ooi (Singapore) and Chih-Hao Kao (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A camera captures visual images from light passed through a lens aligned with an image sensor and interfaced with an image signal processor. A non-mechanical aperture coupled at the lens adjusts the camera aperture with plural areas selectively blocked from passing light by application of an electric field to a liquid crystal layer. Orthogonal polarizers on the front and rear sides of the l...