US Patent Issued to DEXERIALS on Oct. 21 for "Polarizing plate, method of manufacturing the same and optical apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,581, issued on Oct. 21, was assigned to DEXERIALS Corp. (Tochigi, Japan).

"Polarizing plate, method of manufacturing the same and optical apparatus" was invented by Tomu Takeda (Shimotsuke, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polarizing plate has a wire grid structure including a transparent substrate and a plurality of protrusions formed on a first surface of the transparent substrate, extending in a first direction, and periodically arranged apart from each other at a pitch shorter than a wavelength of light in a use band, each of the plurality of protrusions includes a reflective layer, a dielectric laver, and an absorption lay...