US Patent Issued to Rohm on Oct. 14 for "LED driving device, LED light source device, and vehicle onboard display device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,132, issued on Oct. 14, was assigned to Rohm Co. Ltd. (Kyoto, Japan).

"LED driving device, LED light source device, and vehicle onboard display device" was invented by Ryosuke Kanemitsu (Kyoto, Japan) and Koji Katsura (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An LED driving device includes: a plurality of LED terminals (LED1 to LED6 terminals) to have connected to them the cathodes of LEDs in a plurality of channels; a lowest voltage input terminal (MINSELIN); a lowest voltage output terminal (MINSELOUT); and a selector. When the lowest voltage input terminal is used, the selector selects the lowest among the voltages at the plura...