ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,230, issued on July 7, was assigned to SAMSUNG DISPLAY Co. LTD. (Gyeonggi-Do, South Korea).
"Mask and deposition apparatus including the same" was invented by Duck Jung Lee (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mask for a deposition process of an emission layer includes a mask body including first mask grids extending along a first direction and second mask grids extending along a second direction perpendicular to the first direction, a plurality of holes defined by the first mask grids and the second mask grids, where the plurality of holes is defined through a portion of the mask body, first heater wires disposed ...