US Patent Issued to NITTO DENKO on Oct. 28 for "Optical laminate with double-sided adhesive layer, and optical device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,631, issued on Oct. 28, was assigned to NITTO DENKO Corp. (Ibaraki, Japan).

"Optical laminate with double-sided adhesive layer, and optical device" was invented by Daisuke Hattori (Ibaraki, Japan), Ryota Morishima (Ibaraki, Japan), Takahiro Yoshikawa (Ibaraki, Japan) and Atsushi Kishi (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical laminate includes: a low-refractive index layer; a first pressure-sensitive adhesive layer arranged adjacent to the low-refractive index layer; and a second pressure-sensitive adhesive layer serving as one outermost layer. The low-refractive index layer has a porosity of 40 vol % or more; the fir...