US Patent Issued to JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY on April 1 for "Method for increasing speckle spot density, diffractive optical element, and projector" (Chinese Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,265,233, issued on April 1, was assigned to JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY Co. LTD. (Zhejiang, China).

"Method for increasing speckle spot density, diffractive optical element, and projector" was invented by Peng Chen (Zhejiang, China) and Lei Sui (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for increasing speckle spot density, comprising: acquiring light splitting dot array, which is used for performing array copying on multi-point light source and projection to form speckle spot array; acquiring minimum neighboring point spacing or average value of neighboring point spacing of all or part of light-emitting point...