US Patent Issued to TORAY INDUSTRIES on March 24 for "Pyrromethene-boron complex, color conversion composition, color conversion film, light source unit, display, and illumination device" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,875, issued on March 24, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Pyrromethene-boron complex, color conversion composition, color conversion film, light source unit, display, and illumination device" was invented by Kazuki Kobayashi (Otsu, Japan), Daisaku Tanaka (Otsu, Japan) and Yasunori Ichihashi (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pyrromethene-boron complex in one aspect of the present invention is a compound with a molecular weight of 1000 or more, represented by the following general formula (1), in which at least two of R1 to R6 are groups represented by the following general formula (2),and in the general for...