US Patent Issued to PANASONIC PROJECTOR & DISPLAY on July 21 for "Phosphor wheel and projection image display device" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,771, issued on July 21, was assigned to PANASONIC PROJECTOR & DISPLAY Corp. (Osaka, Japan).

"Phosphor wheel and projection image display device" was invented by Shigekazu Yamagishi (Osaka, Japan), Takashi Ikeda (Osaka, Japan) and Masato Tanaka (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phosphor wheel includes a substrate that has a disk shape, and includes a first main surface, a second main surface opposite to the first main surface, and an opening. A phosphor layer has a curved shape and is provided along a circumferential direction of the substrate on the first main surface, and the phosphor layer is provided side by side with...