US Patent Issued to Rohm on Dec. 2 for "Light-emitting element driving device, lighting device, and vehicle" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,359, issued on Dec. 2, was assigned to Rohm Co. Ltd. (Kyoto, Japan).

"Light-emitting element driving device, lighting device, and vehicle" was invented by Masaaki Nakayama (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting element driving device (5) includes: a first external terminal (SET terminal) connectable to a first setting resistor (Rset); a second external terminal (SET_TH terminal) connectable to a first thermistor (TH1) with a negative coefficient arranged beside a light-emitting element light source (10); a current setter (2) that generates a setting current (Iset) based on the resistance value of the first setti...