ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,310, issued on May 12, was assigned to LMS Co. LTD. (Pyeongtaek-si, South Korea).

"Optical filter" was invented by Jung Yeol Shin (Pyeongtaek-si, South Korea), Tae Jin Song (Pyeongtaek-si, South Korea), Seong Yong Yoon (Pyeongtaek-si, South Korea) and Jin Hwan Kim (Pyeongtaek-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an optical filter having a narrow bandpass, high transmittance in the bandpass, low transmittance outside the bandpass, little change in optical properties even when the incident angle of light changes and thus, being advantageous in terms of yield and cost per hour. In addition, the pr...