US Patent Issued to ALPS ALPINE on June 23 for "Display device" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,574, issued on June 23, was assigned to ALPS ALPINE Co. LTD. (Tokyo).

"Display device" was invented by Hajime Suzuki (Miyagi, Japan), Hiromitsu Takenaka (Tokyo), Hiroshi Suzuki (Miyagi, Japan) and Noriyuki Takahashi (Miyagi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device includes a light source, and a light guide which is transparent and flat, and into which light emitted from the light source is incident from a first lateral surface, wherein the light guide includes reflective parts at positions corresponding to respective symbols, the reflective parts each including a plurality of reflective surfaces inclined relative to a b...