ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,828, issued on Jan. 27, was assigned to Magnolia White Corp. (Tokyo).
"Detection device including light guide plate" was invented by Shigesumi Araki (Tokyo), Kazuki Matsunaga (Tokyo) and Akio Takimoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, a detection device includes: photodiodes arranged on a substrate; and a front light comprising a light guide plate disposed so as to overlap the photodiodes, a first light source configured to emit first light to a first side surface of the light guide plate, a second light source configured to emit second light having the same wavelength as that of the first light to a secon...