US Patent Issued to SEIKO EPSON on Oct. 21 for "Wavefront control element, lighting device, and projector" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,569, issued on Oct. 21, was assigned to SEIKO EPSON Corp. (Tokyo).

"Wavefront control element, lighting device, and projector" was invented by Fumika Yamada (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A metalens (wavefront control element) according to the present disclosure is a wavefront control element that controls a wavefront of incident light, and includes a plurality of metasurface regions. The plurality of metasurface regions are arranged in an array."

The patent was filed on Sept. 29, 2022, under Application No. 17/955,870.

*For further information, including images, charts and tables, please visit: http://patft.uspto....