US Patent Issued to DEXERIALS on Feb. 24 for "Optical laminate and article" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,870, issued on Feb. 24, was assigned to DEXERIALS Corp. (Tochigi, Japan).

"Optical laminate and article" was invented by Yuji Kato (Shimotsuke, Japan), Kaori Tezuka (Shimotsuke, Japan) and Tadaaki Toyoshima (Shimotsuke, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In this optical laminate, a transparent substrate, a hard coat layer and an anti-reflective layer are laminated in that order, the anti-reflective layer is a laminate having low refractive index material layers and high refractive index material layers laminated in an alternating arrangement, the a* value and the b* value of reflected light, when light with a wavelength of 380 nm t...