ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,193, issued on Aug. 25, was assigned to Japan Display Inc. (Tokyo).

"Optical device" was invented by Takayuki Imai (Tokyo), Kojiro Ikeda (Tokyo) and Takeo Koito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes an optical element including a liquid crystal cell configured to distribute light emitted from a light source, a power supply part configured to generate first and second potentials, a control signal generation circuit part configured to generate a control signal that controls a pulse width of each of the first and second potentials, and a switch circuit part configured to output a first potential signal includi...