ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,998, issued on May 12, was assigned to LITE-ON SINGAPORE PTE. LTD. (Singapore).

"Optical sensing module, system and method for operating optical sensing system" was invented by Lay-Thant Ko (Singapore), Rui-Tao Zheng (Singapore) and Mon-Oo Win (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an optical sensing module, a system and a method for operating the optical sensing system. The optical sensing module includes a light emitter that emits a sensing light in a specific wavelength range and a photodiode unit. The photodiode unit includes a first photodiode used to sense a first wavelength light, a second p...