US Patent Issued to TEXAS INSTRUMENTS on July 28 for "Freeform eyepiece" (Texas Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,522, issued on July 28, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Freeform eyepiece" was invented by Xi Zhou (PLano, Texas) and Zhongyan Sheng (Allen, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one example, an eyepiece has a one-piece shape that is solid and rotationally asymmetric. The eyepiece includes first, second and third surfaces at least partially defining the one-piece shape. The first surface is configured to receive a spatially modulated light beam. The second surface is configured to internally reflect the spatially modulated light beam toward the third surface. The third surface is configured to reflect the spatiall...