ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,226, issued on Feb. 3, was assigned to Japan Display Inc. (Tokyo).
"Detection device" was invented by Atsunori Oyama (Tokyo) and Gen Koide (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a detection device includes: an annular housing; a first flexible substrate provided along a shape of the annular housing; a battery provided on a first surface of the first flexible substrate; a light source provided in a first area of a second surface of the first flexible substrate opposite the first surface; and an optical sensor that is provided in a second area different from the first area of the second surface of the first flexib...