US Patent Issued to Shenzhen Optiave Display Technologies on June 2 for "Display device for providing output light from one side" (Chinese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,023, issued on June 2, was assigned to Shenzhen Optiave Display Technologies Co. Ltd. (Shenzhen, China).

"Display device for providing output light from one side" was invented by Liangfu Zhu (Shenzhen, China), Tapani Kalervo Levola (Shenzhen, China) and Yisheng Zhu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device (500) includes an expander device (EPE1) to form output light (OUT1) by diffractively expanding input light (IN1) that includes input light beams (B0P1, B0P2) representing an input image (IMG0). The output light (OUT1) includes output light beams (B3P1, B3P2) representing the input image (IMG0). The expander d...