ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,904, issued on Oct. 14, was assigned to SONY SEMICONDUCTOR SOLUTIONS Corp. (Kanagawa, Japan).
"Light source device and electronic device" was invented by Takashi Masuda (Kanagawa, Japan), Mitsushi Tabata (Kanagawa, Japan), Koichi Okamoto (Kanagawa, Japan) and Yasuo Oba (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light source device that includes a first resistor connected to a given potential, a light emitting element connected in series to the first resistor and that is supplied with a given current and thus emit a given amount of light, and a second resistor connected to the given potential, The light source devic...